rjw | 1f88458 | 2022-01-06 17:20:42 +0800 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2011-2013 Freescale Semiconductor, Inc. |
| 3 | * Copyright 2011 Linaro Ltd. |
| 4 | * |
| 5 | * The code contained herein is licensed under the GNU General Public |
| 6 | * License. You may obtain a copy of the GNU General Public License |
| 7 | * Version 2 or later at the following locations: |
| 8 | * |
| 9 | * http://www.opensource.org/licenses/gpl-license.html |
| 10 | * http://www.gnu.org/copyleft/gpl.html |
| 11 | */ |
| 12 | |
| 13 | #include <linux/init.h> |
| 14 | #include <linux/types.h> |
| 15 | #include <linux/clk.h> |
| 16 | #include <linux/clkdev.h> |
| 17 | #include <linux/err.h> |
| 18 | #include <linux/io.h> |
| 19 | #include <linux/of.h> |
| 20 | #include <linux/of_address.h> |
| 21 | #include <linux/of_irq.h> |
| 22 | #include <soc/imx/revision.h> |
| 23 | #include <dt-bindings/clock/imx6qdl-clock.h> |
| 24 | |
| 25 | #include "clk.h" |
| 26 | |
| 27 | static const char *step_sels[] = { "osc", "pll2_pfd2_396m", }; |
| 28 | static const char *pll1_sw_sels[] = { "pll1_sys", "step", }; |
| 29 | static const char *periph_pre_sels[] = { "pll2_bus", "pll2_pfd2_396m", "pll2_pfd0_352m", "pll2_198m", }; |
| 30 | static const char *periph_clk2_sels[] = { "pll3_usb_otg", "osc", "osc", "dummy", }; |
| 31 | static const char *periph2_clk2_sels[] = { "pll3_usb_otg", "pll2_bus", }; |
| 32 | static const char *periph_sels[] = { "periph_pre", "periph_clk2", }; |
| 33 | static const char *periph2_sels[] = { "periph2_pre", "periph2_clk2", }; |
| 34 | static const char *axi_sels[] = { "periph", "pll2_pfd2_396m", "periph", "pll3_pfd1_540m", }; |
| 35 | static const char *audio_sels[] = { "pll4_audio_div", "pll3_pfd2_508m", "pll3_pfd3_454m", "pll3_usb_otg", }; |
| 36 | static const char *gpu_axi_sels[] = { "axi", "ahb", }; |
| 37 | static const char *pre_axi_sels[] = { "axi", "ahb", }; |
| 38 | static const char *gpu2d_core_sels[] = { "axi", "pll3_usb_otg", "pll2_pfd0_352m", "pll2_pfd2_396m", }; |
| 39 | static const char *gpu2d_core_sels_2[] = { "mmdc_ch0_axi", "pll3_usb_otg", "pll2_pfd1_594m", "pll3_pfd0_720m",}; |
| 40 | static const char *gpu3d_core_sels[] = { "mmdc_ch0_axi", "pll3_usb_otg", "pll2_pfd1_594m", "pll2_pfd2_396m", }; |
| 41 | static const char *gpu3d_shader_sels[] = { "mmdc_ch0_axi", "pll3_usb_otg", "pll2_pfd1_594m", "pll3_pfd0_720m", }; |
| 42 | static const char *ipu_sels[] = { "mmdc_ch0_axi", "pll2_pfd2_396m", "pll3_120m", "pll3_pfd1_540m", }; |
| 43 | static const char *ldb_di_sels[] = { "pll5_video_div", "pll2_pfd0_352m", "pll2_pfd2_396m", "mmdc_ch1_axi", "pll3_usb_otg", }; |
| 44 | static const char *ipu_di_pre_sels[] = { "mmdc_ch0_axi", "pll3_usb_otg", "pll5_video_div", "pll2_pfd0_352m", "pll2_pfd2_396m", "pll3_pfd1_540m", }; |
| 45 | static const char *ipu1_di0_sels[] = { "ipu1_di0_pre", "dummy", "dummy", "ldb_di0", "ldb_di1", }; |
| 46 | static const char *ipu1_di1_sels[] = { "ipu1_di1_pre", "dummy", "dummy", "ldb_di0", "ldb_di1", }; |
| 47 | static const char *ipu2_di0_sels[] = { "ipu2_di0_pre", "dummy", "dummy", "ldb_di0", "ldb_di1", }; |
| 48 | static const char *ipu2_di1_sels[] = { "ipu2_di1_pre", "dummy", "dummy", "ldb_di0", "ldb_di1", }; |
| 49 | static const char *ipu1_di0_sels_2[] = { "ipu1_di0_pre", "dummy", "dummy", "ldb_di0_podf", "ldb_di1_podf", }; |
| 50 | static const char *ipu1_di1_sels_2[] = { "ipu1_di1_pre", "dummy", "dummy", "ldb_di0_podf", "ldb_di1_podf", }; |
| 51 | static const char *ipu2_di0_sels_2[] = { "ipu2_di0_pre", "dummy", "dummy", "ldb_di0_podf", "ldb_di1_podf", }; |
| 52 | static const char *ipu2_di1_sels_2[] = { "ipu2_di1_pre", "dummy", "dummy", "ldb_di0_podf", "ldb_di1_podf", }; |
| 53 | static const char *hsi_tx_sels[] = { "pll3_120m", "pll2_pfd2_396m", }; |
| 54 | static const char *pcie_axi_sels[] = { "axi", "ahb", }; |
| 55 | static const char *ssi_sels[] = { "pll3_pfd2_508m", "pll3_pfd3_454m", "pll4_audio_div", }; |
| 56 | static const char *usdhc_sels[] = { "pll2_pfd2_396m", "pll2_pfd0_352m", }; |
| 57 | static const char *enfc_sels[] = { "pll2_pfd0_352m", "pll2_bus", "pll3_usb_otg", "pll2_pfd2_396m", }; |
| 58 | static const char *enfc_sels_2[] = {"pll2_pfd0_352m", "pll2_bus", "pll3_usb_otg", "pll2_pfd2_396m", "pll3_pfd3_454m", "dummy", }; |
| 59 | static const char *eim_sels[] = { "pll2_pfd2_396m", "pll3_usb_otg", "axi", "pll2_pfd0_352m", }; |
| 60 | static const char *eim_slow_sels[] = { "axi", "pll3_usb_otg", "pll2_pfd2_396m", "pll2_pfd0_352m", }; |
| 61 | static const char *vdo_axi_sels[] = { "axi", "ahb", }; |
| 62 | static const char *vpu_axi_sels[] = { "axi", "pll2_pfd2_396m", "pll2_pfd0_352m", }; |
| 63 | static const char *uart_sels[] = { "pll3_80m", "osc", }; |
| 64 | static const char *ipg_per_sels[] = { "ipg", "osc", }; |
| 65 | static const char *ecspi_sels[] = { "pll3_60m", "osc", }; |
| 66 | static const char *can_sels[] = { "pll3_60m", "osc", "pll3_80m", }; |
| 67 | static const char *cko1_sels[] = { "pll3_usb_otg", "pll2_bus", "pll1_sys", "pll5_video_div", |
| 68 | "dummy", "axi", "enfc", "ipu1_di0", "ipu1_di1", "ipu2_di0", |
| 69 | "ipu2_di1", "ahb", "ipg", "ipg_per", "ckil", "pll4_audio_div", }; |
| 70 | static const char *cko2_sels[] = { |
| 71 | "mmdc_ch0_axi", "mmdc_ch1_axi", "usdhc4", "usdhc1", |
| 72 | "gpu2d_axi", "dummy", "ecspi_root", "gpu3d_axi", |
| 73 | "usdhc3", "dummy", "arm", "ipu1", |
| 74 | "ipu2", "vdo_axi", "osc", "gpu2d_core", |
| 75 | "gpu3d_core", "usdhc2", "ssi1", "ssi2", |
| 76 | "ssi3", "gpu3d_shader", "vpu_axi", "can_root", |
| 77 | "ldb_di0", "ldb_di1", "esai_extal", "eim_slow", |
| 78 | "uart_serial", "spdif", "asrc", "hsi_tx", |
| 79 | }; |
| 80 | static const char *cko_sels[] = { "cko1", "cko2", }; |
| 81 | static const char *lvds_sels[] = { |
| 82 | "dummy", "dummy", "dummy", "dummy", "dummy", "dummy", |
| 83 | "pll4_audio", "pll5_video", "pll8_mlb", "enet_ref", |
| 84 | "pcie_ref_125m", "sata_ref_100m", "usbphy1", "usbphy2", |
| 85 | "dummy", "dummy", "dummy", "dummy", "osc", |
| 86 | }; |
| 87 | static const char *pll_bypass_src_sels[] = { "osc", "lvds1_in", "lvds2_in", "dummy", }; |
| 88 | static const char *pll1_bypass_sels[] = { "pll1", "pll1_bypass_src", }; |
| 89 | static const char *pll2_bypass_sels[] = { "pll2", "pll2_bypass_src", }; |
| 90 | static const char *pll3_bypass_sels[] = { "pll3", "pll3_bypass_src", }; |
| 91 | static const char *pll4_bypass_sels[] = { "pll4", "pll4_bypass_src", }; |
| 92 | static const char *pll5_bypass_sels[] = { "pll5", "pll5_bypass_src", }; |
| 93 | static const char *pll6_bypass_sels[] = { "pll6", "pll6_bypass_src", }; |
| 94 | static const char *pll7_bypass_sels[] = { "pll7", "pll7_bypass_src", }; |
| 95 | |
| 96 | static struct clk *clk[IMX6QDL_CLK_END]; |
| 97 | static struct clk_onecell_data clk_data; |
| 98 | |
| 99 | static unsigned int const clks_init_on[] __initconst = { |
| 100 | IMX6QDL_CLK_MMDC_CH0_AXI, |
| 101 | IMX6QDL_CLK_ROM, |
| 102 | IMX6QDL_CLK_ARM, |
| 103 | }; |
| 104 | |
| 105 | static struct clk_div_table clk_enet_ref_table[] = { |
| 106 | { .val = 0, .div = 20, }, |
| 107 | { .val = 1, .div = 10, }, |
| 108 | { .val = 2, .div = 5, }, |
| 109 | { .val = 3, .div = 4, }, |
| 110 | { /* sentinel */ } |
| 111 | }; |
| 112 | |
| 113 | static struct clk_div_table post_div_table[] = { |
| 114 | { .val = 2, .div = 1, }, |
| 115 | { .val = 1, .div = 2, }, |
| 116 | { .val = 0, .div = 4, }, |
| 117 | { /* sentinel */ } |
| 118 | }; |
| 119 | |
| 120 | static struct clk_div_table video_div_table[] = { |
| 121 | { .val = 0, .div = 1, }, |
| 122 | { .val = 1, .div = 2, }, |
| 123 | { .val = 2, .div = 1, }, |
| 124 | { .val = 3, .div = 4, }, |
| 125 | { /* sentinel */ } |
| 126 | }; |
| 127 | |
| 128 | static unsigned int share_count_esai; |
| 129 | static unsigned int share_count_asrc; |
| 130 | static unsigned int share_count_ssi1; |
| 131 | static unsigned int share_count_ssi2; |
| 132 | static unsigned int share_count_ssi3; |
| 133 | static unsigned int share_count_mipi_core_cfg; |
| 134 | static unsigned int share_count_spdif; |
| 135 | static unsigned int share_count_prg0; |
| 136 | static unsigned int share_count_prg1; |
| 137 | |
| 138 | static inline int clk_on_imx6q(void) |
| 139 | { |
| 140 | return of_machine_is_compatible("fsl,imx6q"); |
| 141 | } |
| 142 | |
| 143 | static inline int clk_on_imx6qp(void) |
| 144 | { |
| 145 | return of_machine_is_compatible("fsl,imx6qp"); |
| 146 | } |
| 147 | |
| 148 | static inline int clk_on_imx6dl(void) |
| 149 | { |
| 150 | return of_machine_is_compatible("fsl,imx6dl"); |
| 151 | } |
| 152 | |
| 153 | static struct clk ** const uart_clks[] __initconst = { |
| 154 | &clk[IMX6QDL_CLK_UART_IPG], |
| 155 | &clk[IMX6QDL_CLK_UART_SERIAL], |
| 156 | NULL |
| 157 | }; |
| 158 | |
| 159 | static int ldb_di_sel_by_clock_id(int clock_id) |
| 160 | { |
| 161 | switch (clock_id) { |
| 162 | case IMX6QDL_CLK_PLL5_VIDEO_DIV: |
| 163 | if (clk_on_imx6q() && |
| 164 | imx_get_soc_revision() == IMX_CHIP_REVISION_1_0) |
| 165 | return -ENOENT; |
| 166 | return 0; |
| 167 | case IMX6QDL_CLK_PLL2_PFD0_352M: |
| 168 | return 1; |
| 169 | case IMX6QDL_CLK_PLL2_PFD2_396M: |
| 170 | return 2; |
| 171 | case IMX6QDL_CLK_MMDC_CH1_AXI: |
| 172 | return 3; |
| 173 | case IMX6QDL_CLK_PLL3_USB_OTG: |
| 174 | return 4; |
| 175 | default: |
| 176 | return -ENOENT; |
| 177 | } |
| 178 | } |
| 179 | |
| 180 | static void of_assigned_ldb_sels(struct device_node *node, |
| 181 | unsigned int *ldb_di0_sel, |
| 182 | unsigned int *ldb_di1_sel) |
| 183 | { |
| 184 | struct of_phandle_args clkspec; |
| 185 | int index, rc, num_parents; |
| 186 | int parent, child, sel; |
| 187 | |
| 188 | num_parents = of_count_phandle_with_args(node, "assigned-clock-parents", |
| 189 | "#clock-cells"); |
| 190 | for (index = 0; index < num_parents; index++) { |
| 191 | rc = of_parse_phandle_with_args(node, "assigned-clock-parents", |
| 192 | "#clock-cells", index, &clkspec); |
| 193 | if (rc < 0) { |
| 194 | /* skip empty (null) phandles */ |
| 195 | if (rc == -ENOENT) |
| 196 | continue; |
| 197 | else |
| 198 | return; |
| 199 | } |
| 200 | if (clkspec.np != node || clkspec.args[0] >= IMX6QDL_CLK_END) { |
| 201 | pr_err("ccm: parent clock %d not in ccm\n", index); |
| 202 | return; |
| 203 | } |
| 204 | parent = clkspec.args[0]; |
| 205 | |
| 206 | rc = of_parse_phandle_with_args(node, "assigned-clocks", |
| 207 | "#clock-cells", index, &clkspec); |
| 208 | if (rc < 0) |
| 209 | return; |
| 210 | if (clkspec.np != node || clkspec.args[0] >= IMX6QDL_CLK_END) { |
| 211 | pr_err("ccm: child clock %d not in ccm\n", index); |
| 212 | return; |
| 213 | } |
| 214 | child = clkspec.args[0]; |
| 215 | |
| 216 | if (child != IMX6QDL_CLK_LDB_DI0_SEL && |
| 217 | child != IMX6QDL_CLK_LDB_DI1_SEL) |
| 218 | continue; |
| 219 | |
| 220 | sel = ldb_di_sel_by_clock_id(parent); |
| 221 | if (sel < 0) { |
| 222 | pr_err("ccm: invalid ldb_di%d parent clock: %d\n", |
| 223 | child == IMX6QDL_CLK_LDB_DI1_SEL, parent); |
| 224 | continue; |
| 225 | } |
| 226 | |
| 227 | if (child == IMX6QDL_CLK_LDB_DI0_SEL) |
| 228 | *ldb_di0_sel = sel; |
| 229 | if (child == IMX6QDL_CLK_LDB_DI1_SEL) |
| 230 | *ldb_di1_sel = sel; |
| 231 | } |
| 232 | } |
| 233 | |
| 234 | #define CCM_CCDR 0x04 |
| 235 | #define CCM_CCSR 0x0c |
| 236 | #define CCM_CS2CDR 0x2c |
| 237 | |
| 238 | #define CCDR_MMDC_CH1_MASK BIT(16) |
| 239 | #define CCSR_PLL3_SW_CLK_SEL BIT(0) |
| 240 | |
| 241 | #define CS2CDR_LDB_DI0_CLK_SEL_SHIFT 9 |
| 242 | #define CS2CDR_LDB_DI1_CLK_SEL_SHIFT 12 |
| 243 | |
| 244 | static void __init imx6q_mmdc_ch1_mask_handshake(void __iomem *ccm_base) |
| 245 | { |
| 246 | unsigned int reg; |
| 247 | |
| 248 | reg = readl_relaxed(ccm_base + CCM_CCDR); |
| 249 | reg |= CCDR_MMDC_CH1_MASK; |
| 250 | writel_relaxed(reg, ccm_base + CCM_CCDR); |
| 251 | } |
| 252 | |
| 253 | /* |
| 254 | * The only way to disable the MMDC_CH1 clock is to move it to pll3_sw_clk |
| 255 | * via periph2_clk2_sel and then to disable pll3_sw_clk by selecting the |
| 256 | * bypass clock source, since there is no CG bit for mmdc_ch1. |
| 257 | */ |
| 258 | static void mmdc_ch1_disable(void __iomem *ccm_base) |
| 259 | { |
| 260 | unsigned int reg; |
| 261 | |
| 262 | clk_set_parent(clk[IMX6QDL_CLK_PERIPH2_CLK2_SEL], |
| 263 | clk[IMX6QDL_CLK_PLL3_USB_OTG]); |
| 264 | |
| 265 | /* |
| 266 | * Handshake with mmdc_ch1 module must be masked when changing |
| 267 | * periph2_clk_sel. |
| 268 | */ |
| 269 | clk_set_parent(clk[IMX6QDL_CLK_PERIPH2], clk[IMX6QDL_CLK_PERIPH2_CLK2]); |
| 270 | |
| 271 | /* Disable pll3_sw_clk by selecting the bypass clock source */ |
| 272 | reg = readl_relaxed(ccm_base + CCM_CCSR); |
| 273 | reg |= CCSR_PLL3_SW_CLK_SEL; |
| 274 | writel_relaxed(reg, ccm_base + CCM_CCSR); |
| 275 | } |
| 276 | |
| 277 | static void mmdc_ch1_reenable(void __iomem *ccm_base) |
| 278 | { |
| 279 | unsigned int reg; |
| 280 | |
| 281 | /* Enable pll3_sw_clk by disabling the bypass */ |
| 282 | reg = readl_relaxed(ccm_base + CCM_CCSR); |
| 283 | reg &= ~CCSR_PLL3_SW_CLK_SEL; |
| 284 | writel_relaxed(reg, ccm_base + CCM_CCSR); |
| 285 | |
| 286 | clk_set_parent(clk[IMX6QDL_CLK_PERIPH2], clk[IMX6QDL_CLK_PERIPH2_PRE]); |
| 287 | } |
| 288 | |
| 289 | /* |
| 290 | * We have to follow a strict procedure when changing the LDB clock source, |
| 291 | * otherwise we risk introducing a glitch that can lock up the LDB divider. |
| 292 | * Things to keep in mind: |
| 293 | * |
| 294 | * 1. The current and new parent clock inputs to the mux must be disabled. |
| 295 | * 2. The default clock input for ldb_di0/1_clk_sel is mmdc_ch1_axi, which |
| 296 | * has no CG bit. |
| 297 | * 3. pll2_pfd2_396m can not be gated if it is used as memory clock. |
| 298 | * 4. In the RTL implementation of the LDB_DI_CLK_SEL muxes the top four |
| 299 | * options are in one mux and the PLL3 option along with three unused |
| 300 | * inputs is in a second mux. There is a third mux with two inputs used |
| 301 | * to decide between the first and second 4-port mux: |
| 302 | * |
| 303 | * pll5_video_div 0 --|\ |
| 304 | * pll2_pfd0_352m 1 --| |_ |
| 305 | * pll2_pfd2_396m 2 --| | `-|\ |
| 306 | * mmdc_ch1_axi 3 --|/ | | |
| 307 | * | |-- |
| 308 | * pll3_usb_otg 4 --|\ | | |
| 309 | * 5 --| |_,-|/ |
| 310 | * 6 --| | |
| 311 | * 7 --|/ |
| 312 | * |
| 313 | * The ldb_di0/1_clk_sel[1:0] bits control both 4-port muxes at the same time. |
| 314 | * The ldb_di0/1_clk_sel[2] bit controls the 2-port mux. The code below |
| 315 | * switches the parent to the bottom mux first and then manipulates the top |
| 316 | * mux to ensure that no glitch will enter the divider. |
| 317 | */ |
| 318 | static void init_ldb_clks(struct device_node *np, void __iomem *ccm_base) |
| 319 | { |
| 320 | unsigned int reg; |
| 321 | unsigned int sel[2][4]; |
| 322 | int i; |
| 323 | |
| 324 | reg = readl_relaxed(ccm_base + CCM_CS2CDR); |
| 325 | sel[0][0] = (reg >> CS2CDR_LDB_DI0_CLK_SEL_SHIFT) & 7; |
| 326 | sel[1][0] = (reg >> CS2CDR_LDB_DI1_CLK_SEL_SHIFT) & 7; |
| 327 | |
| 328 | sel[0][3] = sel[0][2] = sel[0][1] = sel[0][0]; |
| 329 | sel[1][3] = sel[1][2] = sel[1][1] = sel[1][0]; |
| 330 | |
| 331 | of_assigned_ldb_sels(np, &sel[0][3], &sel[1][3]); |
| 332 | |
| 333 | for (i = 0; i < 2; i++) { |
| 334 | /* Warn if a glitch might have been introduced already */ |
| 335 | if (sel[i][0] != 3) { |
| 336 | pr_warn("ccm: ldb_di%d_sel already changed from reset value: %d\n", |
| 337 | i, sel[i][0]); |
| 338 | } |
| 339 | |
| 340 | if (sel[i][0] == sel[i][3]) |
| 341 | continue; |
| 342 | |
| 343 | /* Only switch to or from pll2_pfd2_396m if it is disabled */ |
| 344 | if ((sel[i][0] == 2 || sel[i][3] == 2) && |
| 345 | (clk_get_parent(clk[IMX6QDL_CLK_PERIPH_PRE]) == |
| 346 | clk[IMX6QDL_CLK_PLL2_PFD2_396M])) { |
| 347 | pr_err("ccm: ldb_di%d_sel: couldn't disable pll2_pfd2_396m\n", |
| 348 | i); |
| 349 | sel[i][3] = sel[i][2] = sel[i][1] = sel[i][0]; |
| 350 | continue; |
| 351 | } |
| 352 | |
| 353 | /* First switch to the bottom mux */ |
| 354 | sel[i][1] = sel[i][0] | 4; |
| 355 | |
| 356 | /* Then configure the top mux before switching back to it */ |
| 357 | sel[i][2] = sel[i][3] | 4; |
| 358 | |
| 359 | pr_debug("ccm: switching ldb_di%d_sel: %d->%d->%d->%d\n", i, |
| 360 | sel[i][0], sel[i][1], sel[i][2], sel[i][3]); |
| 361 | } |
| 362 | |
| 363 | if (sel[0][0] == sel[0][3] && sel[1][0] == sel[1][3]) |
| 364 | return; |
| 365 | |
| 366 | mmdc_ch1_disable(ccm_base); |
| 367 | |
| 368 | for (i = 1; i < 4; i++) { |
| 369 | reg = readl_relaxed(ccm_base + CCM_CS2CDR); |
| 370 | reg &= ~((7 << CS2CDR_LDB_DI0_CLK_SEL_SHIFT) | |
| 371 | (7 << CS2CDR_LDB_DI1_CLK_SEL_SHIFT)); |
| 372 | reg |= ((sel[0][i] << CS2CDR_LDB_DI0_CLK_SEL_SHIFT) | |
| 373 | (sel[1][i] << CS2CDR_LDB_DI1_CLK_SEL_SHIFT)); |
| 374 | writel_relaxed(reg, ccm_base + CCM_CS2CDR); |
| 375 | } |
| 376 | |
| 377 | mmdc_ch1_reenable(ccm_base); |
| 378 | } |
| 379 | |
| 380 | #define CCM_ANALOG_PLL_VIDEO 0xa0 |
| 381 | #define CCM_ANALOG_PFD_480 0xf0 |
| 382 | #define CCM_ANALOG_PFD_528 0x100 |
| 383 | |
| 384 | #define PLL_ENABLE BIT(13) |
| 385 | |
| 386 | #define PFD0_CLKGATE BIT(7) |
| 387 | #define PFD1_CLKGATE BIT(15) |
| 388 | #define PFD2_CLKGATE BIT(23) |
| 389 | #define PFD3_CLKGATE BIT(31) |
| 390 | |
| 391 | static void disable_anatop_clocks(void __iomem *anatop_base) |
| 392 | { |
| 393 | unsigned int reg; |
| 394 | |
| 395 | /* Make sure PLL2 PFDs 0-2 are gated */ |
| 396 | reg = readl_relaxed(anatop_base + CCM_ANALOG_PFD_528); |
| 397 | /* Cannot gate PFD2 if pll2_pfd2_396m is the parent of MMDC clock */ |
| 398 | if (clk_get_parent(clk[IMX6QDL_CLK_PERIPH_PRE]) == |
| 399 | clk[IMX6QDL_CLK_PLL2_PFD2_396M]) |
| 400 | reg |= PFD0_CLKGATE | PFD1_CLKGATE; |
| 401 | else |
| 402 | reg |= PFD0_CLKGATE | PFD1_CLKGATE | PFD2_CLKGATE; |
| 403 | writel_relaxed(reg, anatop_base + CCM_ANALOG_PFD_528); |
| 404 | |
| 405 | /* Make sure PLL3 PFDs 0-3 are gated */ |
| 406 | reg = readl_relaxed(anatop_base + CCM_ANALOG_PFD_480); |
| 407 | reg |= PFD0_CLKGATE | PFD1_CLKGATE | PFD2_CLKGATE | PFD3_CLKGATE; |
| 408 | writel_relaxed(reg, anatop_base + CCM_ANALOG_PFD_480); |
| 409 | |
| 410 | /* Make sure PLL5 is disabled */ |
| 411 | reg = readl_relaxed(anatop_base + CCM_ANALOG_PLL_VIDEO); |
| 412 | reg &= ~PLL_ENABLE; |
| 413 | writel_relaxed(reg, anatop_base + CCM_ANALOG_PLL_VIDEO); |
| 414 | } |
| 415 | |
| 416 | static void __init imx6q_clocks_init(struct device_node *ccm_node) |
| 417 | { |
| 418 | struct device_node *np; |
| 419 | void __iomem *anatop_base, *base; |
| 420 | int i; |
| 421 | int ret; |
| 422 | |
| 423 | clk[IMX6QDL_CLK_DUMMY] = imx_clk_fixed("dummy", 0); |
| 424 | clk[IMX6QDL_CLK_CKIL] = imx_obtain_fixed_clock("ckil", 0); |
| 425 | clk[IMX6QDL_CLK_CKIH] = imx_obtain_fixed_clock("ckih1", 0); |
| 426 | clk[IMX6QDL_CLK_OSC] = imx_obtain_fixed_clock("osc", 0); |
| 427 | /* Clock source from external clock via CLK1/2 PADs */ |
| 428 | clk[IMX6QDL_CLK_ANACLK1] = imx_obtain_fixed_clock("anaclk1", 0); |
| 429 | clk[IMX6QDL_CLK_ANACLK2] = imx_obtain_fixed_clock("anaclk2", 0); |
| 430 | |
| 431 | np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-anatop"); |
| 432 | anatop_base = base = of_iomap(np, 0); |
| 433 | WARN_ON(!base); |
| 434 | of_node_put(np); |
| 435 | |
| 436 | /* Audio/video PLL post dividers do not work on i.MX6q revision 1.0 */ |
| 437 | if (clk_on_imx6q() && imx_get_soc_revision() == IMX_CHIP_REVISION_1_0) { |
| 438 | post_div_table[1].div = 1; |
| 439 | post_div_table[2].div = 1; |
| 440 | video_div_table[1].div = 1; |
| 441 | video_div_table[3].div = 1; |
| 442 | } |
| 443 | |
| 444 | clk[IMX6QDL_PLL1_BYPASS_SRC] = imx_clk_mux("pll1_bypass_src", base + 0x00, 14, 2, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels)); |
| 445 | clk[IMX6QDL_PLL2_BYPASS_SRC] = imx_clk_mux("pll2_bypass_src", base + 0x30, 14, 2, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels)); |
| 446 | clk[IMX6QDL_PLL3_BYPASS_SRC] = imx_clk_mux("pll3_bypass_src", base + 0x10, 14, 2, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels)); |
| 447 | clk[IMX6QDL_PLL4_BYPASS_SRC] = imx_clk_mux("pll4_bypass_src", base + 0x70, 14, 2, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels)); |
| 448 | clk[IMX6QDL_PLL5_BYPASS_SRC] = imx_clk_mux("pll5_bypass_src", base + 0xa0, 14, 2, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels)); |
| 449 | clk[IMX6QDL_PLL6_BYPASS_SRC] = imx_clk_mux("pll6_bypass_src", base + 0xe0, 14, 2, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels)); |
| 450 | clk[IMX6QDL_PLL7_BYPASS_SRC] = imx_clk_mux("pll7_bypass_src", base + 0x20, 14, 2, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels)); |
| 451 | |
| 452 | /* type name parent_name base div_mask */ |
| 453 | clk[IMX6QDL_CLK_PLL1] = imx_clk_pllv3(IMX_PLLV3_SYS, "pll1", "osc", base + 0x00, 0x7f); |
| 454 | clk[IMX6QDL_CLK_PLL2] = imx_clk_pllv3(IMX_PLLV3_GENERIC, "pll2", "osc", base + 0x30, 0x1); |
| 455 | clk[IMX6QDL_CLK_PLL3] = imx_clk_pllv3(IMX_PLLV3_USB, "pll3", "osc", base + 0x10, 0x3); |
| 456 | clk[IMX6QDL_CLK_PLL4] = imx_clk_pllv3(IMX_PLLV3_AV, "pll4", "osc", base + 0x70, 0x7f); |
| 457 | clk[IMX6QDL_CLK_PLL5] = imx_clk_pllv3(IMX_PLLV3_AV, "pll5", "osc", base + 0xa0, 0x7f); |
| 458 | clk[IMX6QDL_CLK_PLL6] = imx_clk_pllv3(IMX_PLLV3_ENET, "pll6", "osc", base + 0xe0, 0x3); |
| 459 | clk[IMX6QDL_CLK_PLL7] = imx_clk_pllv3(IMX_PLLV3_USB, "pll7", "osc", base + 0x20, 0x3); |
| 460 | |
| 461 | clk[IMX6QDL_PLL1_BYPASS] = imx_clk_mux_flags("pll1_bypass", base + 0x00, 16, 1, pll1_bypass_sels, ARRAY_SIZE(pll1_bypass_sels), CLK_SET_RATE_PARENT); |
| 462 | clk[IMX6QDL_PLL2_BYPASS] = imx_clk_mux_flags("pll2_bypass", base + 0x30, 16, 1, pll2_bypass_sels, ARRAY_SIZE(pll2_bypass_sels), CLK_SET_RATE_PARENT); |
| 463 | clk[IMX6QDL_PLL3_BYPASS] = imx_clk_mux_flags("pll3_bypass", base + 0x10, 16, 1, pll3_bypass_sels, ARRAY_SIZE(pll3_bypass_sels), CLK_SET_RATE_PARENT); |
| 464 | clk[IMX6QDL_PLL4_BYPASS] = imx_clk_mux_flags("pll4_bypass", base + 0x70, 16, 1, pll4_bypass_sels, ARRAY_SIZE(pll4_bypass_sels), CLK_SET_RATE_PARENT); |
| 465 | clk[IMX6QDL_PLL5_BYPASS] = imx_clk_mux_flags("pll5_bypass", base + 0xa0, 16, 1, pll5_bypass_sels, ARRAY_SIZE(pll5_bypass_sels), CLK_SET_RATE_PARENT); |
| 466 | clk[IMX6QDL_PLL6_BYPASS] = imx_clk_mux_flags("pll6_bypass", base + 0xe0, 16, 1, pll6_bypass_sels, ARRAY_SIZE(pll6_bypass_sels), CLK_SET_RATE_PARENT); |
| 467 | clk[IMX6QDL_PLL7_BYPASS] = imx_clk_mux_flags("pll7_bypass", base + 0x20, 16, 1, pll7_bypass_sels, ARRAY_SIZE(pll7_bypass_sels), CLK_SET_RATE_PARENT); |
| 468 | |
| 469 | /* Do not bypass PLLs initially */ |
| 470 | clk_set_parent(clk[IMX6QDL_PLL1_BYPASS], clk[IMX6QDL_CLK_PLL1]); |
| 471 | clk_set_parent(clk[IMX6QDL_PLL2_BYPASS], clk[IMX6QDL_CLK_PLL2]); |
| 472 | clk_set_parent(clk[IMX6QDL_PLL3_BYPASS], clk[IMX6QDL_CLK_PLL3]); |
| 473 | clk_set_parent(clk[IMX6QDL_PLL4_BYPASS], clk[IMX6QDL_CLK_PLL4]); |
| 474 | clk_set_parent(clk[IMX6QDL_PLL5_BYPASS], clk[IMX6QDL_CLK_PLL5]); |
| 475 | clk_set_parent(clk[IMX6QDL_PLL6_BYPASS], clk[IMX6QDL_CLK_PLL6]); |
| 476 | clk_set_parent(clk[IMX6QDL_PLL7_BYPASS], clk[IMX6QDL_CLK_PLL7]); |
| 477 | |
| 478 | clk[IMX6QDL_CLK_PLL1_SYS] = imx_clk_gate("pll1_sys", "pll1_bypass", base + 0x00, 13); |
| 479 | clk[IMX6QDL_CLK_PLL2_BUS] = imx_clk_gate("pll2_bus", "pll2_bypass", base + 0x30, 13); |
| 480 | clk[IMX6QDL_CLK_PLL3_USB_OTG] = imx_clk_gate("pll3_usb_otg", "pll3_bypass", base + 0x10, 13); |
| 481 | clk[IMX6QDL_CLK_PLL4_AUDIO] = imx_clk_gate("pll4_audio", "pll4_bypass", base + 0x70, 13); |
| 482 | clk[IMX6QDL_CLK_PLL5_VIDEO] = imx_clk_gate("pll5_video", "pll5_bypass", base + 0xa0, 13); |
| 483 | clk[IMX6QDL_CLK_PLL6_ENET] = imx_clk_gate("pll6_enet", "pll6_bypass", base + 0xe0, 13); |
| 484 | clk[IMX6QDL_CLK_PLL7_USB_HOST] = imx_clk_gate("pll7_usb_host", "pll7_bypass", base + 0x20, 13); |
| 485 | |
| 486 | /* |
| 487 | * Bit 20 is the reserved and read-only bit, we do this only for: |
| 488 | * - Do nothing for usbphy clk_enable/disable |
| 489 | * - Keep refcount when do usbphy clk_enable/disable, in that case, |
| 490 | * the clk framework may need to enable/disable usbphy's parent |
| 491 | */ |
| 492 | clk[IMX6QDL_CLK_USBPHY1] = imx_clk_gate("usbphy1", "pll3_usb_otg", base + 0x10, 20); |
| 493 | clk[IMX6QDL_CLK_USBPHY2] = imx_clk_gate("usbphy2", "pll7_usb_host", base + 0x20, 20); |
| 494 | |
| 495 | /* |
| 496 | * usbphy*_gate needs to be on after system boots up, and software |
| 497 | * never needs to control it anymore. |
| 498 | */ |
| 499 | clk[IMX6QDL_CLK_USBPHY1_GATE] = imx_clk_gate("usbphy1_gate", "dummy", base + 0x10, 6); |
| 500 | clk[IMX6QDL_CLK_USBPHY2_GATE] = imx_clk_gate("usbphy2_gate", "dummy", base + 0x20, 6); |
| 501 | |
| 502 | clk[IMX6QDL_CLK_SATA_REF] = imx_clk_fixed_factor("sata_ref", "pll6_enet", 1, 5); |
| 503 | clk[IMX6QDL_CLK_PCIE_REF] = imx_clk_fixed_factor("pcie_ref", "pll6_enet", 1, 4); |
| 504 | |
| 505 | clk[IMX6QDL_CLK_SATA_REF_100M] = imx_clk_gate("sata_ref_100m", "sata_ref", base + 0xe0, 20); |
| 506 | clk[IMX6QDL_CLK_PCIE_REF_125M] = imx_clk_gate("pcie_ref_125m", "pcie_ref", base + 0xe0, 19); |
| 507 | |
| 508 | clk[IMX6QDL_CLK_ENET_REF] = clk_register_divider_table(NULL, "enet_ref", "pll6_enet", 0, |
| 509 | base + 0xe0, 0, 2, 0, clk_enet_ref_table, |
| 510 | &imx_ccm_lock); |
| 511 | |
| 512 | clk[IMX6QDL_CLK_LVDS1_SEL] = imx_clk_mux("lvds1_sel", base + 0x160, 0, 5, lvds_sels, ARRAY_SIZE(lvds_sels)); |
| 513 | clk[IMX6QDL_CLK_LVDS2_SEL] = imx_clk_mux("lvds2_sel", base + 0x160, 5, 5, lvds_sels, ARRAY_SIZE(lvds_sels)); |
| 514 | |
| 515 | /* |
| 516 | * lvds1_gate and lvds2_gate are pseudo-gates. Both can be |
| 517 | * independently configured as clock inputs or outputs. We treat |
| 518 | * the "output_enable" bit as a gate, even though it's really just |
| 519 | * enabling clock output. Initially the gate bits are cleared, as |
| 520 | * otherwise the exclusive configuration gets locked in the setup done |
| 521 | * by software running before the clock driver, with no way to change |
| 522 | * it. |
| 523 | */ |
| 524 | writel(readl(base + 0x160) & ~0x3c00, base + 0x160); |
| 525 | clk[IMX6QDL_CLK_LVDS1_GATE] = imx_clk_gate_exclusive("lvds1_gate", "lvds1_sel", base + 0x160, 10, BIT(12)); |
| 526 | clk[IMX6QDL_CLK_LVDS2_GATE] = imx_clk_gate_exclusive("lvds2_gate", "lvds2_sel", base + 0x160, 11, BIT(13)); |
| 527 | |
| 528 | clk[IMX6QDL_CLK_LVDS1_IN] = imx_clk_gate_exclusive("lvds1_in", "anaclk1", base + 0x160, 12, BIT(10)); |
| 529 | clk[IMX6QDL_CLK_LVDS2_IN] = imx_clk_gate_exclusive("lvds2_in", "anaclk2", base + 0x160, 13, BIT(11)); |
| 530 | |
| 531 | /* name parent_name reg idx */ |
| 532 | clk[IMX6QDL_CLK_PLL2_PFD0_352M] = imx_clk_pfd("pll2_pfd0_352m", "pll2_bus", base + 0x100, 0); |
| 533 | clk[IMX6QDL_CLK_PLL2_PFD1_594M] = imx_clk_pfd("pll2_pfd1_594m", "pll2_bus", base + 0x100, 1); |
| 534 | clk[IMX6QDL_CLK_PLL2_PFD2_396M] = imx_clk_pfd("pll2_pfd2_396m", "pll2_bus", base + 0x100, 2); |
| 535 | clk[IMX6QDL_CLK_PLL3_PFD0_720M] = imx_clk_pfd("pll3_pfd0_720m", "pll3_usb_otg", base + 0xf0, 0); |
| 536 | clk[IMX6QDL_CLK_PLL3_PFD1_540M] = imx_clk_pfd("pll3_pfd1_540m", "pll3_usb_otg", base + 0xf0, 1); |
| 537 | clk[IMX6QDL_CLK_PLL3_PFD2_508M] = imx_clk_pfd("pll3_pfd2_508m", "pll3_usb_otg", base + 0xf0, 2); |
| 538 | clk[IMX6QDL_CLK_PLL3_PFD3_454M] = imx_clk_pfd("pll3_pfd3_454m", "pll3_usb_otg", base + 0xf0, 3); |
| 539 | |
| 540 | /* name parent_name mult div */ |
| 541 | clk[IMX6QDL_CLK_PLL2_198M] = imx_clk_fixed_factor("pll2_198m", "pll2_pfd2_396m", 1, 2); |
| 542 | clk[IMX6QDL_CLK_PLL3_120M] = imx_clk_fixed_factor("pll3_120m", "pll3_usb_otg", 1, 4); |
| 543 | clk[IMX6QDL_CLK_PLL3_80M] = imx_clk_fixed_factor("pll3_80m", "pll3_usb_otg", 1, 6); |
| 544 | clk[IMX6QDL_CLK_PLL3_60M] = imx_clk_fixed_factor("pll3_60m", "pll3_usb_otg", 1, 8); |
| 545 | clk[IMX6QDL_CLK_TWD] = imx_clk_fixed_factor("twd", "arm", 1, 2); |
| 546 | clk[IMX6QDL_CLK_GPT_3M] = imx_clk_fixed_factor("gpt_3m", "osc", 1, 8); |
| 547 | clk[IMX6QDL_CLK_VIDEO_27M] = imx_clk_fixed_factor("video_27m", "pll3_pfd1_540m", 1, 20); |
| 548 | if (clk_on_imx6dl() || clk_on_imx6qp()) { |
| 549 | clk[IMX6QDL_CLK_GPU2D_AXI] = imx_clk_fixed_factor("gpu2d_axi", "mmdc_ch0_axi_podf", 1, 1); |
| 550 | clk[IMX6QDL_CLK_GPU3D_AXI] = imx_clk_fixed_factor("gpu3d_axi", "mmdc_ch0_axi_podf", 1, 1); |
| 551 | } |
| 552 | |
| 553 | clk[IMX6QDL_CLK_PLL4_POST_DIV] = clk_register_divider_table(NULL, "pll4_post_div", "pll4_audio", CLK_SET_RATE_PARENT, base + 0x70, 19, 2, 0, post_div_table, &imx_ccm_lock); |
| 554 | clk[IMX6QDL_CLK_PLL4_AUDIO_DIV] = clk_register_divider(NULL, "pll4_audio_div", "pll4_post_div", CLK_SET_RATE_PARENT, base + 0x170, 15, 1, 0, &imx_ccm_lock); |
| 555 | clk[IMX6QDL_CLK_PLL5_POST_DIV] = clk_register_divider_table(NULL, "pll5_post_div", "pll5_video", CLK_SET_RATE_PARENT, base + 0xa0, 19, 2, 0, post_div_table, &imx_ccm_lock); |
| 556 | clk[IMX6QDL_CLK_PLL5_VIDEO_DIV] = clk_register_divider_table(NULL, "pll5_video_div", "pll5_post_div", CLK_SET_RATE_PARENT, base + 0x170, 30, 2, 0, video_div_table, &imx_ccm_lock); |
| 557 | |
| 558 | np = ccm_node; |
| 559 | base = of_iomap(np, 0); |
| 560 | WARN_ON(!base); |
| 561 | |
| 562 | /* name reg shift width parent_names num_parents */ |
| 563 | clk[IMX6QDL_CLK_STEP] = imx_clk_mux("step", base + 0xc, 8, 1, step_sels, ARRAY_SIZE(step_sels)); |
| 564 | clk[IMX6QDL_CLK_PLL1_SW] = imx_clk_mux("pll1_sw", base + 0xc, 2, 1, pll1_sw_sels, ARRAY_SIZE(pll1_sw_sels)); |
| 565 | clk[IMX6QDL_CLK_PERIPH_PRE] = imx_clk_mux("periph_pre", base + 0x18, 18, 2, periph_pre_sels, ARRAY_SIZE(periph_pre_sels)); |
| 566 | clk[IMX6QDL_CLK_PERIPH2_PRE] = imx_clk_mux("periph2_pre", base + 0x18, 21, 2, periph_pre_sels, ARRAY_SIZE(periph_pre_sels)); |
| 567 | clk[IMX6QDL_CLK_PERIPH_CLK2_SEL] = imx_clk_mux("periph_clk2_sel", base + 0x18, 12, 2, periph_clk2_sels, ARRAY_SIZE(periph_clk2_sels)); |
| 568 | clk[IMX6QDL_CLK_PERIPH2_CLK2_SEL] = imx_clk_mux("periph2_clk2_sel", base + 0x18, 20, 1, periph2_clk2_sels, ARRAY_SIZE(periph2_clk2_sels)); |
| 569 | clk[IMX6QDL_CLK_AXI_SEL] = imx_clk_mux("axi_sel", base + 0x14, 6, 2, axi_sels, ARRAY_SIZE(axi_sels)); |
| 570 | clk[IMX6QDL_CLK_ESAI_SEL] = imx_clk_mux("esai_sel", base + 0x20, 19, 2, audio_sels, ARRAY_SIZE(audio_sels)); |
| 571 | clk[IMX6QDL_CLK_ASRC_SEL] = imx_clk_mux("asrc_sel", base + 0x30, 7, 2, audio_sels, ARRAY_SIZE(audio_sels)); |
| 572 | clk[IMX6QDL_CLK_SPDIF_SEL] = imx_clk_mux("spdif_sel", base + 0x30, 20, 2, audio_sels, ARRAY_SIZE(audio_sels)); |
| 573 | if (clk_on_imx6q()) { |
| 574 | clk[IMX6QDL_CLK_GPU2D_AXI] = imx_clk_mux("gpu2d_axi", base + 0x18, 0, 1, gpu_axi_sels, ARRAY_SIZE(gpu_axi_sels)); |
| 575 | clk[IMX6QDL_CLK_GPU3D_AXI] = imx_clk_mux("gpu3d_axi", base + 0x18, 1, 1, gpu_axi_sels, ARRAY_SIZE(gpu_axi_sels)); |
| 576 | } |
| 577 | if (clk_on_imx6qp()) { |
| 578 | clk[IMX6QDL_CLK_CAN_SEL] = imx_clk_mux("can_sel", base + 0x20, 8, 2, can_sels, ARRAY_SIZE(can_sels)); |
| 579 | clk[IMX6QDL_CLK_ECSPI_SEL] = imx_clk_mux("ecspi_sel", base + 0x38, 18, 1, ecspi_sels, ARRAY_SIZE(ecspi_sels)); |
| 580 | clk[IMX6QDL_CLK_IPG_PER_SEL] = imx_clk_mux("ipg_per_sel", base + 0x1c, 6, 1, ipg_per_sels, ARRAY_SIZE(ipg_per_sels)); |
| 581 | clk[IMX6QDL_CLK_UART_SEL] = imx_clk_mux("uart_sel", base + 0x24, 6, 1, uart_sels, ARRAY_SIZE(uart_sels)); |
| 582 | clk[IMX6QDL_CLK_GPU2D_CORE_SEL] = imx_clk_mux("gpu2d_core_sel", base + 0x18, 16, 2, gpu2d_core_sels_2, ARRAY_SIZE(gpu2d_core_sels_2)); |
| 583 | } else if (clk_on_imx6dl()) { |
| 584 | clk[IMX6QDL_CLK_MLB_SEL] = imx_clk_mux("mlb_sel", base + 0x18, 16, 2, gpu2d_core_sels, ARRAY_SIZE(gpu2d_core_sels)); |
| 585 | } else { |
| 586 | clk[IMX6QDL_CLK_GPU2D_CORE_SEL] = imx_clk_mux("gpu2d_core_sel", base + 0x18, 16, 2, gpu2d_core_sels, ARRAY_SIZE(gpu2d_core_sels)); |
| 587 | } |
| 588 | clk[IMX6QDL_CLK_GPU3D_CORE_SEL] = imx_clk_mux("gpu3d_core_sel", base + 0x18, 4, 2, gpu3d_core_sels, ARRAY_SIZE(gpu3d_core_sels)); |
| 589 | if (clk_on_imx6dl()) |
| 590 | clk[IMX6QDL_CLK_GPU2D_CORE_SEL] = imx_clk_mux("gpu2d_core_sel", base + 0x18, 8, 2, gpu3d_shader_sels, ARRAY_SIZE(gpu3d_shader_sels)); |
| 591 | else |
| 592 | clk[IMX6QDL_CLK_GPU3D_SHADER_SEL] = imx_clk_mux("gpu3d_shader_sel", base + 0x18, 8, 2, gpu3d_shader_sels, ARRAY_SIZE(gpu3d_shader_sels)); |
| 593 | clk[IMX6QDL_CLK_IPU1_SEL] = imx_clk_mux("ipu1_sel", base + 0x3c, 9, 2, ipu_sels, ARRAY_SIZE(ipu_sels)); |
| 594 | clk[IMX6QDL_CLK_IPU2_SEL] = imx_clk_mux("ipu2_sel", base + 0x3c, 14, 2, ipu_sels, ARRAY_SIZE(ipu_sels)); |
| 595 | |
| 596 | disable_anatop_clocks(anatop_base); |
| 597 | |
| 598 | imx6q_mmdc_ch1_mask_handshake(base); |
| 599 | |
| 600 | if (clk_on_imx6qp()) { |
| 601 | clk[IMX6QDL_CLK_LDB_DI0_SEL] = imx_clk_mux_flags("ldb_di0_sel", base + 0x2c, 9, 3, ldb_di_sels, ARRAY_SIZE(ldb_di_sels), CLK_SET_RATE_PARENT); |
| 602 | clk[IMX6QDL_CLK_LDB_DI1_SEL] = imx_clk_mux_flags("ldb_di1_sel", base + 0x2c, 12, 3, ldb_di_sels, ARRAY_SIZE(ldb_di_sels), CLK_SET_RATE_PARENT); |
| 603 | } else { |
| 604 | /* |
| 605 | * The LDB_DI0/1_SEL muxes are registered read-only due to a hardware |
| 606 | * bug. Set the muxes to the requested values before registering the |
| 607 | * ldb_di_sel clocks. |
| 608 | */ |
| 609 | init_ldb_clks(np, base); |
| 610 | |
| 611 | clk[IMX6QDL_CLK_LDB_DI0_SEL] = imx_clk_mux_ldb("ldb_di0_sel", base + 0x2c, 9, 3, ldb_di_sels, ARRAY_SIZE(ldb_di_sels)); |
| 612 | clk[IMX6QDL_CLK_LDB_DI1_SEL] = imx_clk_mux_ldb("ldb_di1_sel", base + 0x2c, 12, 3, ldb_di_sels, ARRAY_SIZE(ldb_di_sels)); |
| 613 | } |
| 614 | clk[IMX6QDL_CLK_IPU1_DI0_PRE_SEL] = imx_clk_mux_flags("ipu1_di0_pre_sel", base + 0x34, 6, 3, ipu_di_pre_sels, ARRAY_SIZE(ipu_di_pre_sels), CLK_SET_RATE_PARENT); |
| 615 | clk[IMX6QDL_CLK_IPU1_DI1_PRE_SEL] = imx_clk_mux_flags("ipu1_di1_pre_sel", base + 0x34, 15, 3, ipu_di_pre_sels, ARRAY_SIZE(ipu_di_pre_sels), CLK_SET_RATE_PARENT); |
| 616 | clk[IMX6QDL_CLK_IPU2_DI0_PRE_SEL] = imx_clk_mux_flags("ipu2_di0_pre_sel", base + 0x38, 6, 3, ipu_di_pre_sels, ARRAY_SIZE(ipu_di_pre_sels), CLK_SET_RATE_PARENT); |
| 617 | clk[IMX6QDL_CLK_IPU2_DI1_PRE_SEL] = imx_clk_mux_flags("ipu2_di1_pre_sel", base + 0x38, 15, 3, ipu_di_pre_sels, ARRAY_SIZE(ipu_di_pre_sels), CLK_SET_RATE_PARENT); |
| 618 | clk[IMX6QDL_CLK_HSI_TX_SEL] = imx_clk_mux("hsi_tx_sel", base + 0x30, 28, 1, hsi_tx_sels, ARRAY_SIZE(hsi_tx_sels)); |
| 619 | clk[IMX6QDL_CLK_PCIE_AXI_SEL] = imx_clk_mux("pcie_axi_sel", base + 0x18, 10, 1, pcie_axi_sels, ARRAY_SIZE(pcie_axi_sels)); |
| 620 | if (clk_on_imx6qp()) { |
| 621 | clk[IMX6QDL_CLK_IPU1_DI0_SEL] = imx_clk_mux_flags("ipu1_di0_sel", base + 0x34, 0, 3, ipu1_di0_sels_2, ARRAY_SIZE(ipu1_di0_sels_2), CLK_SET_RATE_PARENT); |
| 622 | clk[IMX6QDL_CLK_IPU1_DI1_SEL] = imx_clk_mux_flags("ipu1_di1_sel", base + 0x34, 9, 3, ipu1_di1_sels_2, ARRAY_SIZE(ipu1_di1_sels_2), CLK_SET_RATE_PARENT); |
| 623 | clk[IMX6QDL_CLK_IPU2_DI0_SEL] = imx_clk_mux_flags("ipu2_di0_sel", base + 0x38, 0, 3, ipu2_di0_sels_2, ARRAY_SIZE(ipu2_di0_sels_2), CLK_SET_RATE_PARENT); |
| 624 | clk[IMX6QDL_CLK_IPU2_DI1_SEL] = imx_clk_mux_flags("ipu2_di1_sel", base + 0x38, 9, 3, ipu2_di1_sels_2, ARRAY_SIZE(ipu2_di1_sels_2), CLK_SET_RATE_PARENT); |
| 625 | clk[IMX6QDL_CLK_SSI1_SEL] = imx_clk_mux("ssi1_sel", base + 0x1c, 10, 2, ssi_sels, ARRAY_SIZE(ssi_sels)); |
| 626 | clk[IMX6QDL_CLK_SSI2_SEL] = imx_clk_mux("ssi2_sel", base + 0x1c, 12, 2, ssi_sels, ARRAY_SIZE(ssi_sels)); |
| 627 | clk[IMX6QDL_CLK_SSI3_SEL] = imx_clk_mux("ssi3_sel", base + 0x1c, 14, 2, ssi_sels, ARRAY_SIZE(ssi_sels)); |
| 628 | clk[IMX6QDL_CLK_USDHC1_SEL] = imx_clk_mux("usdhc1_sel", base + 0x1c, 16, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels)); |
| 629 | clk[IMX6QDL_CLK_USDHC2_SEL] = imx_clk_mux("usdhc2_sel", base + 0x1c, 17, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels)); |
| 630 | clk[IMX6QDL_CLK_USDHC3_SEL] = imx_clk_mux("usdhc3_sel", base + 0x1c, 18, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels)); |
| 631 | clk[IMX6QDL_CLK_USDHC4_SEL] = imx_clk_mux("usdhc4_sel", base + 0x1c, 19, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels)); |
| 632 | clk[IMX6QDL_CLK_ENFC_SEL] = imx_clk_mux("enfc_sel", base + 0x2c, 15, 3, enfc_sels_2, ARRAY_SIZE(enfc_sels_2)); |
| 633 | clk[IMX6QDL_CLK_EIM_SEL] = imx_clk_mux("eim_sel", base + 0x1c, 27, 2, eim_sels, ARRAY_SIZE(eim_sels)); |
| 634 | clk[IMX6QDL_CLK_EIM_SLOW_SEL] = imx_clk_mux("eim_slow_sel", base + 0x1c, 29, 2, eim_slow_sels, ARRAY_SIZE(eim_slow_sels)); |
| 635 | clk[IMX6QDL_CLK_PRE_AXI] = imx_clk_mux("pre_axi", base + 0x18, 1, 1, pre_axi_sels, ARRAY_SIZE(pre_axi_sels)); |
| 636 | } else { |
| 637 | clk[IMX6QDL_CLK_IPU1_DI0_SEL] = imx_clk_mux_flags("ipu1_di0_sel", base + 0x34, 0, 3, ipu1_di0_sels, ARRAY_SIZE(ipu1_di0_sels), CLK_SET_RATE_PARENT); |
| 638 | clk[IMX6QDL_CLK_IPU1_DI1_SEL] = imx_clk_mux_flags("ipu1_di1_sel", base + 0x34, 9, 3, ipu1_di1_sels, ARRAY_SIZE(ipu1_di1_sels), CLK_SET_RATE_PARENT); |
| 639 | clk[IMX6QDL_CLK_IPU2_DI0_SEL] = imx_clk_mux_flags("ipu2_di0_sel", base + 0x38, 0, 3, ipu2_di0_sels, ARRAY_SIZE(ipu2_di0_sels), CLK_SET_RATE_PARENT); |
| 640 | clk[IMX6QDL_CLK_IPU2_DI1_SEL] = imx_clk_mux_flags("ipu2_di1_sel", base + 0x38, 9, 3, ipu2_di1_sels, ARRAY_SIZE(ipu2_di1_sels), CLK_SET_RATE_PARENT); |
| 641 | clk[IMX6QDL_CLK_SSI1_SEL] = imx_clk_fixup_mux("ssi1_sel", base + 0x1c, 10, 2, ssi_sels, ARRAY_SIZE(ssi_sels), imx_cscmr1_fixup); |
| 642 | clk[IMX6QDL_CLK_SSI2_SEL] = imx_clk_fixup_mux("ssi2_sel", base + 0x1c, 12, 2, ssi_sels, ARRAY_SIZE(ssi_sels), imx_cscmr1_fixup); |
| 643 | clk[IMX6QDL_CLK_SSI3_SEL] = imx_clk_fixup_mux("ssi3_sel", base + 0x1c, 14, 2, ssi_sels, ARRAY_SIZE(ssi_sels), imx_cscmr1_fixup); |
| 644 | clk[IMX6QDL_CLK_USDHC1_SEL] = imx_clk_fixup_mux("usdhc1_sel", base + 0x1c, 16, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels), imx_cscmr1_fixup); |
| 645 | clk[IMX6QDL_CLK_USDHC2_SEL] = imx_clk_fixup_mux("usdhc2_sel", base + 0x1c, 17, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels), imx_cscmr1_fixup); |
| 646 | clk[IMX6QDL_CLK_USDHC3_SEL] = imx_clk_fixup_mux("usdhc3_sel", base + 0x1c, 18, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels), imx_cscmr1_fixup); |
| 647 | clk[IMX6QDL_CLK_USDHC4_SEL] = imx_clk_fixup_mux("usdhc4_sel", base + 0x1c, 19, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels), imx_cscmr1_fixup); |
| 648 | clk[IMX6QDL_CLK_ENFC_SEL] = imx_clk_mux("enfc_sel", base + 0x2c, 16, 2, enfc_sels, ARRAY_SIZE(enfc_sels)); |
| 649 | clk[IMX6QDL_CLK_EIM_SEL] = imx_clk_fixup_mux("eim_sel", base + 0x1c, 27, 2, eim_sels, ARRAY_SIZE(eim_sels), imx_cscmr1_fixup); |
| 650 | clk[IMX6QDL_CLK_EIM_SLOW_SEL] = imx_clk_fixup_mux("eim_slow_sel", base + 0x1c, 29, 2, eim_slow_sels, ARRAY_SIZE(eim_slow_sels), imx_cscmr1_fixup); |
| 651 | } |
| 652 | clk[IMX6QDL_CLK_VDO_AXI_SEL] = imx_clk_mux("vdo_axi_sel", base + 0x18, 11, 1, vdo_axi_sels, ARRAY_SIZE(vdo_axi_sels)); |
| 653 | clk[IMX6QDL_CLK_VPU_AXI_SEL] = imx_clk_mux("vpu_axi_sel", base + 0x18, 14, 2, vpu_axi_sels, ARRAY_SIZE(vpu_axi_sels)); |
| 654 | clk[IMX6QDL_CLK_CKO1_SEL] = imx_clk_mux("cko1_sel", base + 0x60, 0, 4, cko1_sels, ARRAY_SIZE(cko1_sels)); |
| 655 | clk[IMX6QDL_CLK_CKO2_SEL] = imx_clk_mux("cko2_sel", base + 0x60, 16, 5, cko2_sels, ARRAY_SIZE(cko2_sels)); |
| 656 | clk[IMX6QDL_CLK_CKO] = imx_clk_mux("cko", base + 0x60, 8, 1, cko_sels, ARRAY_SIZE(cko_sels)); |
| 657 | |
| 658 | /* name reg shift width busy: reg, shift parent_names num_parents */ |
| 659 | clk[IMX6QDL_CLK_PERIPH] = imx_clk_busy_mux("periph", base + 0x14, 25, 1, base + 0x48, 5, periph_sels, ARRAY_SIZE(periph_sels)); |
| 660 | clk[IMX6QDL_CLK_PERIPH2] = imx_clk_busy_mux("periph2", base + 0x14, 26, 1, base + 0x48, 3, periph2_sels, ARRAY_SIZE(periph2_sels)); |
| 661 | |
| 662 | /* name parent_name reg shift width */ |
| 663 | clk[IMX6QDL_CLK_PERIPH_CLK2] = imx_clk_divider("periph_clk2", "periph_clk2_sel", base + 0x14, 27, 3); |
| 664 | clk[IMX6QDL_CLK_PERIPH2_CLK2] = imx_clk_divider("periph2_clk2", "periph2_clk2_sel", base + 0x14, 0, 3); |
| 665 | clk[IMX6QDL_CLK_IPG] = imx_clk_divider("ipg", "ahb", base + 0x14, 8, 2); |
| 666 | clk[IMX6QDL_CLK_ESAI_PRED] = imx_clk_divider("esai_pred", "esai_sel", base + 0x28, 9, 3); |
| 667 | clk[IMX6QDL_CLK_ESAI_PODF] = imx_clk_divider("esai_podf", "esai_pred", base + 0x28, 25, 3); |
| 668 | clk[IMX6QDL_CLK_ASRC_PRED] = imx_clk_divider("asrc_pred", "asrc_sel", base + 0x30, 12, 3); |
| 669 | clk[IMX6QDL_CLK_ASRC_PODF] = imx_clk_divider("asrc_podf", "asrc_pred", base + 0x30, 9, 3); |
| 670 | clk[IMX6QDL_CLK_SPDIF_PRED] = imx_clk_divider("spdif_pred", "spdif_sel", base + 0x30, 25, 3); |
| 671 | clk[IMX6QDL_CLK_SPDIF_PODF] = imx_clk_divider("spdif_podf", "spdif_pred", base + 0x30, 22, 3); |
| 672 | if (clk_on_imx6qp()) { |
| 673 | clk[IMX6QDL_CLK_IPG_PER] = imx_clk_divider("ipg_per", "ipg_per_sel", base + 0x1c, 0, 6); |
| 674 | clk[IMX6QDL_CLK_ECSPI_ROOT] = imx_clk_divider("ecspi_root", "ecspi_sel", base + 0x38, 19, 6); |
| 675 | clk[IMX6QDL_CLK_CAN_ROOT] = imx_clk_divider("can_root", "can_sel", base + 0x20, 2, 6); |
| 676 | clk[IMX6QDL_CLK_UART_SERIAL_PODF] = imx_clk_divider("uart_serial_podf", "uart_sel", base + 0x24, 0, 6); |
| 677 | clk[IMX6QDL_CLK_LDB_DI0_DIV_3_5] = imx_clk_fixed_factor("ldb_di0_div_3_5", "ldb_di0", 2, 7); |
| 678 | clk[IMX6QDL_CLK_LDB_DI1_DIV_3_5] = imx_clk_fixed_factor("ldb_di1_div_3_5", "ldb_di1", 2, 7); |
| 679 | } else { |
| 680 | clk[IMX6QDL_CLK_ECSPI_ROOT] = imx_clk_divider("ecspi_root", "pll3_60m", base + 0x38, 19, 6); |
| 681 | clk[IMX6QDL_CLK_CAN_ROOT] = imx_clk_divider("can_root", "pll3_60m", base + 0x20, 2, 6); |
| 682 | clk[IMX6QDL_CLK_IPG_PER] = imx_clk_fixup_divider("ipg_per", "ipg", base + 0x1c, 0, 6, imx_cscmr1_fixup); |
| 683 | clk[IMX6QDL_CLK_UART_SERIAL_PODF] = imx_clk_divider("uart_serial_podf", "pll3_80m", base + 0x24, 0, 6); |
| 684 | clk[IMX6QDL_CLK_LDB_DI0_DIV_3_5] = imx_clk_fixed_factor("ldb_di0_div_3_5", "ldb_di0_sel", 2, 7); |
| 685 | clk[IMX6QDL_CLK_LDB_DI1_DIV_3_5] = imx_clk_fixed_factor("ldb_di1_div_3_5", "ldb_di1_sel", 2, 7); |
| 686 | } |
| 687 | if (clk_on_imx6dl()) |
| 688 | clk[IMX6QDL_CLK_MLB_PODF] = imx_clk_divider("mlb_podf", "mlb_sel", base + 0x18, 23, 3); |
| 689 | else |
| 690 | clk[IMX6QDL_CLK_GPU2D_CORE_PODF] = imx_clk_divider("gpu2d_core_podf", "gpu2d_core_sel", base + 0x18, 23, 3); |
| 691 | clk[IMX6QDL_CLK_GPU3D_CORE_PODF] = imx_clk_divider("gpu3d_core_podf", "gpu3d_core_sel", base + 0x18, 26, 3); |
| 692 | if (clk_on_imx6dl()) |
| 693 | clk[IMX6QDL_CLK_GPU2D_CORE_PODF] = imx_clk_divider("gpu2d_core_podf", "gpu2d_core_sel", base + 0x18, 29, 3); |
| 694 | else |
| 695 | clk[IMX6QDL_CLK_GPU3D_SHADER] = imx_clk_divider("gpu3d_shader", "gpu3d_shader_sel", base + 0x18, 29, 3); |
| 696 | clk[IMX6QDL_CLK_IPU1_PODF] = imx_clk_divider("ipu1_podf", "ipu1_sel", base + 0x3c, 11, 3); |
| 697 | clk[IMX6QDL_CLK_IPU2_PODF] = imx_clk_divider("ipu2_podf", "ipu2_sel", base + 0x3c, 16, 3); |
| 698 | clk[IMX6QDL_CLK_LDB_DI0_PODF] = imx_clk_divider_flags("ldb_di0_podf", "ldb_di0_div_3_5", base + 0x20, 10, 1, 0); |
| 699 | clk[IMX6QDL_CLK_LDB_DI1_PODF] = imx_clk_divider_flags("ldb_di1_podf", "ldb_di1_div_3_5", base + 0x20, 11, 1, 0); |
| 700 | clk[IMX6QDL_CLK_IPU1_DI0_PRE] = imx_clk_divider("ipu1_di0_pre", "ipu1_di0_pre_sel", base + 0x34, 3, 3); |
| 701 | clk[IMX6QDL_CLK_IPU1_DI1_PRE] = imx_clk_divider("ipu1_di1_pre", "ipu1_di1_pre_sel", base + 0x34, 12, 3); |
| 702 | clk[IMX6QDL_CLK_IPU2_DI0_PRE] = imx_clk_divider("ipu2_di0_pre", "ipu2_di0_pre_sel", base + 0x38, 3, 3); |
| 703 | clk[IMX6QDL_CLK_IPU2_DI1_PRE] = imx_clk_divider("ipu2_di1_pre", "ipu2_di1_pre_sel", base + 0x38, 12, 3); |
| 704 | clk[IMX6QDL_CLK_HSI_TX_PODF] = imx_clk_divider("hsi_tx_podf", "hsi_tx_sel", base + 0x30, 29, 3); |
| 705 | clk[IMX6QDL_CLK_SSI1_PRED] = imx_clk_divider("ssi1_pred", "ssi1_sel", base + 0x28, 6, 3); |
| 706 | clk[IMX6QDL_CLK_SSI1_PODF] = imx_clk_divider("ssi1_podf", "ssi1_pred", base + 0x28, 0, 6); |
| 707 | clk[IMX6QDL_CLK_SSI2_PRED] = imx_clk_divider("ssi2_pred", "ssi2_sel", base + 0x2c, 6, 3); |
| 708 | clk[IMX6QDL_CLK_SSI2_PODF] = imx_clk_divider("ssi2_podf", "ssi2_pred", base + 0x2c, 0, 6); |
| 709 | clk[IMX6QDL_CLK_SSI3_PRED] = imx_clk_divider("ssi3_pred", "ssi3_sel", base + 0x28, 22, 3); |
| 710 | clk[IMX6QDL_CLK_SSI3_PODF] = imx_clk_divider("ssi3_podf", "ssi3_pred", base + 0x28, 16, 6); |
| 711 | clk[IMX6QDL_CLK_USDHC1_PODF] = imx_clk_divider("usdhc1_podf", "usdhc1_sel", base + 0x24, 11, 3); |
| 712 | clk[IMX6QDL_CLK_USDHC2_PODF] = imx_clk_divider("usdhc2_podf", "usdhc2_sel", base + 0x24, 16, 3); |
| 713 | clk[IMX6QDL_CLK_USDHC3_PODF] = imx_clk_divider("usdhc3_podf", "usdhc3_sel", base + 0x24, 19, 3); |
| 714 | clk[IMX6QDL_CLK_USDHC4_PODF] = imx_clk_divider("usdhc4_podf", "usdhc4_sel", base + 0x24, 22, 3); |
| 715 | clk[IMX6QDL_CLK_ENFC_PRED] = imx_clk_divider("enfc_pred", "enfc_sel", base + 0x2c, 18, 3); |
| 716 | clk[IMX6QDL_CLK_ENFC_PODF] = imx_clk_divider("enfc_podf", "enfc_pred", base + 0x2c, 21, 6); |
| 717 | if (clk_on_imx6qp()) { |
| 718 | clk[IMX6QDL_CLK_EIM_PODF] = imx_clk_divider("eim_podf", "eim_sel", base + 0x1c, 20, 3); |
| 719 | clk[IMX6QDL_CLK_EIM_SLOW_PODF] = imx_clk_divider("eim_slow_podf", "eim_slow_sel", base + 0x1c, 23, 3); |
| 720 | } else { |
| 721 | clk[IMX6QDL_CLK_EIM_PODF] = imx_clk_fixup_divider("eim_podf", "eim_sel", base + 0x1c, 20, 3, imx_cscmr1_fixup); |
| 722 | clk[IMX6QDL_CLK_EIM_SLOW_PODF] = imx_clk_fixup_divider("eim_slow_podf", "eim_slow_sel", base + 0x1c, 23, 3, imx_cscmr1_fixup); |
| 723 | } |
| 724 | clk[IMX6QDL_CLK_VPU_AXI_PODF] = imx_clk_divider("vpu_axi_podf", "vpu_axi_sel", base + 0x24, 25, 3); |
| 725 | clk[IMX6QDL_CLK_CKO1_PODF] = imx_clk_divider("cko1_podf", "cko1_sel", base + 0x60, 4, 3); |
| 726 | clk[IMX6QDL_CLK_CKO2_PODF] = imx_clk_divider("cko2_podf", "cko2_sel", base + 0x60, 21, 3); |
| 727 | |
| 728 | /* name parent_name reg shift width busy: reg, shift */ |
| 729 | clk[IMX6QDL_CLK_AXI] = imx_clk_busy_divider("axi", "axi_sel", base + 0x14, 16, 3, base + 0x48, 0); |
| 730 | clk[IMX6QDL_CLK_MMDC_CH0_AXI_PODF] = imx_clk_busy_divider("mmdc_ch0_axi_podf", "periph", base + 0x14, 19, 3, base + 0x48, 4); |
| 731 | if (clk_on_imx6qp()) { |
| 732 | clk[IMX6QDL_CLK_MMDC_CH1_AXI_CG] = imx_clk_gate("mmdc_ch1_axi_cg", "periph2", base + 0x4, 18); |
| 733 | clk[IMX6QDL_CLK_MMDC_CH1_AXI_PODF] = imx_clk_busy_divider("mmdc_ch1_axi_podf", "mmdc_ch1_axi_cg", base + 0x14, 3, 3, base + 0x48, 2); |
| 734 | } else { |
| 735 | clk[IMX6QDL_CLK_MMDC_CH1_AXI_PODF] = imx_clk_busy_divider("mmdc_ch1_axi_podf", "periph2", base + 0x14, 3, 3, base + 0x48, 2); |
| 736 | } |
| 737 | clk[IMX6QDL_CLK_ARM] = imx_clk_busy_divider("arm", "pll1_sw", base + 0x10, 0, 3, base + 0x48, 16); |
| 738 | clk[IMX6QDL_CLK_AHB] = imx_clk_busy_divider("ahb", "periph", base + 0x14, 10, 3, base + 0x48, 1); |
| 739 | |
| 740 | /* name parent_name reg shift */ |
| 741 | clk[IMX6QDL_CLK_APBH_DMA] = imx_clk_gate2("apbh_dma", "usdhc3", base + 0x68, 4); |
| 742 | clk[IMX6QDL_CLK_ASRC] = imx_clk_gate2_shared("asrc", "asrc_podf", base + 0x68, 6, &share_count_asrc); |
| 743 | clk[IMX6QDL_CLK_ASRC_IPG] = imx_clk_gate2_shared("asrc_ipg", "ahb", base + 0x68, 6, &share_count_asrc); |
| 744 | clk[IMX6QDL_CLK_ASRC_MEM] = imx_clk_gate2_shared("asrc_mem", "ahb", base + 0x68, 6, &share_count_asrc); |
| 745 | clk[IMX6QDL_CLK_CAAM_MEM] = imx_clk_gate2("caam_mem", "ahb", base + 0x68, 8); |
| 746 | clk[IMX6QDL_CLK_CAAM_ACLK] = imx_clk_gate2("caam_aclk", "ahb", base + 0x68, 10); |
| 747 | clk[IMX6QDL_CLK_CAAM_IPG] = imx_clk_gate2("caam_ipg", "ipg", base + 0x68, 12); |
| 748 | clk[IMX6QDL_CLK_CAN1_IPG] = imx_clk_gate2("can1_ipg", "ipg", base + 0x68, 14); |
| 749 | clk[IMX6QDL_CLK_CAN1_SERIAL] = imx_clk_gate2("can1_serial", "can_root", base + 0x68, 16); |
| 750 | clk[IMX6QDL_CLK_CAN2_IPG] = imx_clk_gate2("can2_ipg", "ipg", base + 0x68, 18); |
| 751 | clk[IMX6QDL_CLK_CAN2_SERIAL] = imx_clk_gate2("can2_serial", "can_root", base + 0x68, 20); |
| 752 | clk[IMX6QDL_CLK_ECSPI1] = imx_clk_gate2("ecspi1", "ecspi_root", base + 0x6c, 0); |
| 753 | clk[IMX6QDL_CLK_ECSPI2] = imx_clk_gate2("ecspi2", "ecspi_root", base + 0x6c, 2); |
| 754 | clk[IMX6QDL_CLK_ECSPI3] = imx_clk_gate2("ecspi3", "ecspi_root", base + 0x6c, 4); |
| 755 | clk[IMX6QDL_CLK_ECSPI4] = imx_clk_gate2("ecspi4", "ecspi_root", base + 0x6c, 6); |
| 756 | if (clk_on_imx6dl()) |
| 757 | clk[IMX6DL_CLK_I2C4] = imx_clk_gate2("i2c4", "ipg_per", base + 0x6c, 8); |
| 758 | else |
| 759 | clk[IMX6Q_CLK_ECSPI5] = imx_clk_gate2("ecspi5", "ecspi_root", base + 0x6c, 8); |
| 760 | clk[IMX6QDL_CLK_ENET] = imx_clk_gate2("enet", "ipg", base + 0x6c, 10); |
| 761 | clk[IMX6QDL_CLK_ESAI_EXTAL] = imx_clk_gate2_shared("esai_extal", "esai_podf", base + 0x6c, 16, &share_count_esai); |
| 762 | clk[IMX6QDL_CLK_ESAI_IPG] = imx_clk_gate2_shared("esai_ipg", "ahb", base + 0x6c, 16, &share_count_esai); |
| 763 | clk[IMX6QDL_CLK_ESAI_MEM] = imx_clk_gate2_shared("esai_mem", "ahb", base + 0x6c, 16, &share_count_esai); |
| 764 | clk[IMX6QDL_CLK_GPT_IPG] = imx_clk_gate2("gpt_ipg", "ipg", base + 0x6c, 20); |
| 765 | clk[IMX6QDL_CLK_GPT_IPG_PER] = imx_clk_gate2("gpt_ipg_per", "ipg_per", base + 0x6c, 22); |
| 766 | clk[IMX6QDL_CLK_GPU2D_CORE] = imx_clk_gate2("gpu2d_core", "gpu2d_core_podf", base + 0x6c, 24); |
| 767 | clk[IMX6QDL_CLK_GPU3D_CORE] = imx_clk_gate2("gpu3d_core", "gpu3d_core_podf", base + 0x6c, 26); |
| 768 | clk[IMX6QDL_CLK_HDMI_IAHB] = imx_clk_gate2("hdmi_iahb", "ahb", base + 0x70, 0); |
| 769 | clk[IMX6QDL_CLK_HDMI_ISFR] = imx_clk_gate2("hdmi_isfr", "mipi_core_cfg", base + 0x70, 4); |
| 770 | clk[IMX6QDL_CLK_I2C1] = imx_clk_gate2("i2c1", "ipg_per", base + 0x70, 6); |
| 771 | clk[IMX6QDL_CLK_I2C2] = imx_clk_gate2("i2c2", "ipg_per", base + 0x70, 8); |
| 772 | clk[IMX6QDL_CLK_I2C3] = imx_clk_gate2("i2c3", "ipg_per", base + 0x70, 10); |
| 773 | clk[IMX6QDL_CLK_IIM] = imx_clk_gate2("iim", "ipg", base + 0x70, 12); |
| 774 | clk[IMX6QDL_CLK_ENFC] = imx_clk_gate2("enfc", "enfc_podf", base + 0x70, 14); |
| 775 | clk[IMX6QDL_CLK_VDOA] = imx_clk_gate2("vdoa", "vdo_axi", base + 0x70, 26); |
| 776 | clk[IMX6QDL_CLK_IPU1] = imx_clk_gate2("ipu1", "ipu1_podf", base + 0x74, 0); |
| 777 | clk[IMX6QDL_CLK_IPU1_DI0] = imx_clk_gate2("ipu1_di0", "ipu1_di0_sel", base + 0x74, 2); |
| 778 | clk[IMX6QDL_CLK_IPU1_DI1] = imx_clk_gate2("ipu1_di1", "ipu1_di1_sel", base + 0x74, 4); |
| 779 | clk[IMX6QDL_CLK_IPU2] = imx_clk_gate2("ipu2", "ipu2_podf", base + 0x74, 6); |
| 780 | clk[IMX6QDL_CLK_IPU2_DI0] = imx_clk_gate2("ipu2_di0", "ipu2_di0_sel", base + 0x74, 8); |
| 781 | if (clk_on_imx6qp()) { |
| 782 | clk[IMX6QDL_CLK_LDB_DI0] = imx_clk_gate2("ldb_di0", "ldb_di0_sel", base + 0x74, 12); |
| 783 | clk[IMX6QDL_CLK_LDB_DI1] = imx_clk_gate2("ldb_di1", "ldb_di1_sel", base + 0x74, 14); |
| 784 | } else { |
| 785 | clk[IMX6QDL_CLK_LDB_DI0] = imx_clk_gate2("ldb_di0", "ldb_di0_podf", base + 0x74, 12); |
| 786 | clk[IMX6QDL_CLK_LDB_DI1] = imx_clk_gate2("ldb_di1", "ldb_di1_podf", base + 0x74, 14); |
| 787 | } |
| 788 | clk[IMX6QDL_CLK_IPU2_DI1] = imx_clk_gate2("ipu2_di1", "ipu2_di1_sel", base + 0x74, 10); |
| 789 | clk[IMX6QDL_CLK_HSI_TX] = imx_clk_gate2_shared("hsi_tx", "hsi_tx_podf", base + 0x74, 16, &share_count_mipi_core_cfg); |
| 790 | clk[IMX6QDL_CLK_MIPI_CORE_CFG] = imx_clk_gate2_shared("mipi_core_cfg", "video_27m", base + 0x74, 16, &share_count_mipi_core_cfg); |
| 791 | clk[IMX6QDL_CLK_MIPI_IPG] = imx_clk_gate2_shared("mipi_ipg", "ipg", base + 0x74, 16, &share_count_mipi_core_cfg); |
| 792 | if (clk_on_imx6dl()) |
| 793 | /* |
| 794 | * The multiplexer and divider of the imx6q clock gpu2d get |
| 795 | * redefined/reused as mlb_sys_sel and mlb_sys_clk_podf on imx6dl. |
| 796 | */ |
| 797 | clk[IMX6QDL_CLK_MLB] = imx_clk_gate2("mlb", "mlb_podf", base + 0x74, 18); |
| 798 | else |
| 799 | clk[IMX6QDL_CLK_MLB] = imx_clk_gate2("mlb", "axi", base + 0x74, 18); |
| 800 | clk[IMX6QDL_CLK_MMDC_CH0_AXI] = imx_clk_gate2("mmdc_ch0_axi", "mmdc_ch0_axi_podf", base + 0x74, 20); |
| 801 | clk[IMX6QDL_CLK_MMDC_CH1_AXI] = imx_clk_gate2("mmdc_ch1_axi", "mmdc_ch1_axi_podf", base + 0x74, 22); |
| 802 | clk[IMX6QDL_CLK_OCRAM] = imx_clk_gate2("ocram", "ahb", base + 0x74, 28); |
| 803 | clk[IMX6QDL_CLK_OPENVG_AXI] = imx_clk_gate2("openvg_axi", "axi", base + 0x74, 30); |
| 804 | clk[IMX6QDL_CLK_PCIE_AXI] = imx_clk_gate2("pcie_axi", "pcie_axi_sel", base + 0x78, 0); |
| 805 | clk[IMX6QDL_CLK_PER1_BCH] = imx_clk_gate2("per1_bch", "usdhc3", base + 0x78, 12); |
| 806 | clk[IMX6QDL_CLK_PWM1] = imx_clk_gate2("pwm1", "ipg_per", base + 0x78, 16); |
| 807 | clk[IMX6QDL_CLK_PWM2] = imx_clk_gate2("pwm2", "ipg_per", base + 0x78, 18); |
| 808 | clk[IMX6QDL_CLK_PWM3] = imx_clk_gate2("pwm3", "ipg_per", base + 0x78, 20); |
| 809 | clk[IMX6QDL_CLK_PWM4] = imx_clk_gate2("pwm4", "ipg_per", base + 0x78, 22); |
| 810 | clk[IMX6QDL_CLK_GPMI_BCH_APB] = imx_clk_gate2("gpmi_bch_apb", "usdhc3", base + 0x78, 24); |
| 811 | clk[IMX6QDL_CLK_GPMI_BCH] = imx_clk_gate2("gpmi_bch", "usdhc4", base + 0x78, 26); |
| 812 | clk[IMX6QDL_CLK_GPMI_IO] = imx_clk_gate2("gpmi_io", "enfc", base + 0x78, 28); |
| 813 | clk[IMX6QDL_CLK_GPMI_APB] = imx_clk_gate2("gpmi_apb", "usdhc3", base + 0x78, 30); |
| 814 | clk[IMX6QDL_CLK_ROM] = imx_clk_gate2("rom", "ahb", base + 0x7c, 0); |
| 815 | clk[IMX6QDL_CLK_SATA] = imx_clk_gate2("sata", "ahb", base + 0x7c, 4); |
| 816 | clk[IMX6QDL_CLK_SDMA] = imx_clk_gate2("sdma", "ahb", base + 0x7c, 6); |
| 817 | clk[IMX6QDL_CLK_SPBA] = imx_clk_gate2("spba", "ipg", base + 0x7c, 12); |
| 818 | clk[IMX6QDL_CLK_SPDIF] = imx_clk_gate2_shared("spdif", "spdif_podf", base + 0x7c, 14, &share_count_spdif); |
| 819 | clk[IMX6QDL_CLK_SPDIF_GCLK] = imx_clk_gate2_shared("spdif_gclk", "ipg", base + 0x7c, 14, &share_count_spdif); |
| 820 | clk[IMX6QDL_CLK_SSI1_IPG] = imx_clk_gate2_shared("ssi1_ipg", "ipg", base + 0x7c, 18, &share_count_ssi1); |
| 821 | clk[IMX6QDL_CLK_SSI2_IPG] = imx_clk_gate2_shared("ssi2_ipg", "ipg", base + 0x7c, 20, &share_count_ssi2); |
| 822 | clk[IMX6QDL_CLK_SSI3_IPG] = imx_clk_gate2_shared("ssi3_ipg", "ipg", base + 0x7c, 22, &share_count_ssi3); |
| 823 | clk[IMX6QDL_CLK_SSI1] = imx_clk_gate2_shared("ssi1", "ssi1_podf", base + 0x7c, 18, &share_count_ssi1); |
| 824 | clk[IMX6QDL_CLK_SSI2] = imx_clk_gate2_shared("ssi2", "ssi2_podf", base + 0x7c, 20, &share_count_ssi2); |
| 825 | clk[IMX6QDL_CLK_SSI3] = imx_clk_gate2_shared("ssi3", "ssi3_podf", base + 0x7c, 22, &share_count_ssi3); |
| 826 | clk[IMX6QDL_CLK_UART_IPG] = imx_clk_gate2("uart_ipg", "ipg", base + 0x7c, 24); |
| 827 | clk[IMX6QDL_CLK_UART_SERIAL] = imx_clk_gate2("uart_serial", "uart_serial_podf", base + 0x7c, 26); |
| 828 | clk[IMX6QDL_CLK_USBOH3] = imx_clk_gate2("usboh3", "ipg", base + 0x80, 0); |
| 829 | clk[IMX6QDL_CLK_USDHC1] = imx_clk_gate2("usdhc1", "usdhc1_podf", base + 0x80, 2); |
| 830 | clk[IMX6QDL_CLK_USDHC2] = imx_clk_gate2("usdhc2", "usdhc2_podf", base + 0x80, 4); |
| 831 | clk[IMX6QDL_CLK_USDHC3] = imx_clk_gate2("usdhc3", "usdhc3_podf", base + 0x80, 6); |
| 832 | clk[IMX6QDL_CLK_USDHC4] = imx_clk_gate2("usdhc4", "usdhc4_podf", base + 0x80, 8); |
| 833 | clk[IMX6QDL_CLK_EIM_SLOW] = imx_clk_gate2("eim_slow", "eim_slow_podf", base + 0x80, 10); |
| 834 | clk[IMX6QDL_CLK_VDO_AXI] = imx_clk_gate2("vdo_axi", "vdo_axi_sel", base + 0x80, 12); |
| 835 | clk[IMX6QDL_CLK_VPU_AXI] = imx_clk_gate2("vpu_axi", "vpu_axi_podf", base + 0x80, 14); |
| 836 | if (clk_on_imx6qp()) { |
| 837 | clk[IMX6QDL_CLK_PRE0] = imx_clk_gate2("pre0", "pre_axi", base + 0x80, 16); |
| 838 | clk[IMX6QDL_CLK_PRE1] = imx_clk_gate2("pre1", "pre_axi", base + 0x80, 18); |
| 839 | clk[IMX6QDL_CLK_PRE2] = imx_clk_gate2("pre2", "pre_axi", base + 0x80, 20); |
| 840 | clk[IMX6QDL_CLK_PRE3] = imx_clk_gate2("pre3", "pre_axi", base + 0x80, 22); |
| 841 | clk[IMX6QDL_CLK_PRG0_AXI] = imx_clk_gate2_shared("prg0_axi", "ipu1_podf", base + 0x80, 24, &share_count_prg0); |
| 842 | clk[IMX6QDL_CLK_PRG1_AXI] = imx_clk_gate2_shared("prg1_axi", "ipu2_podf", base + 0x80, 26, &share_count_prg1); |
| 843 | clk[IMX6QDL_CLK_PRG0_APB] = imx_clk_gate2_shared("prg0_apb", "ipg", base + 0x80, 24, &share_count_prg0); |
| 844 | clk[IMX6QDL_CLK_PRG1_APB] = imx_clk_gate2_shared("prg1_apb", "ipg", base + 0x80, 26, &share_count_prg1); |
| 845 | } |
| 846 | clk[IMX6QDL_CLK_CKO1] = imx_clk_gate("cko1", "cko1_podf", base + 0x60, 7); |
| 847 | clk[IMX6QDL_CLK_CKO2] = imx_clk_gate("cko2", "cko2_podf", base + 0x60, 24); |
| 848 | |
| 849 | /* |
| 850 | * The gpt_3m clock is not available on i.MX6Q TO1.0. Let's point it |
| 851 | * to clock gpt_ipg_per to ease the gpt driver code. |
| 852 | */ |
| 853 | if (clk_on_imx6q() && imx_get_soc_revision() == IMX_CHIP_REVISION_1_0) |
| 854 | clk[IMX6QDL_CLK_GPT_3M] = clk[IMX6QDL_CLK_GPT_IPG_PER]; |
| 855 | |
| 856 | imx_check_clocks(clk, ARRAY_SIZE(clk)); |
| 857 | |
| 858 | clk_data.clks = clk; |
| 859 | clk_data.clk_num = ARRAY_SIZE(clk); |
| 860 | of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data); |
| 861 | |
| 862 | clk_register_clkdev(clk[IMX6QDL_CLK_ENET_REF], "enet_ref", NULL); |
| 863 | |
| 864 | clk_set_rate(clk[IMX6QDL_CLK_PLL3_PFD1_540M], 540000000); |
| 865 | if (clk_on_imx6dl()) |
| 866 | clk_set_parent(clk[IMX6QDL_CLK_IPU1_SEL], clk[IMX6QDL_CLK_PLL3_PFD1_540M]); |
| 867 | |
| 868 | clk_set_parent(clk[IMX6QDL_CLK_IPU1_DI0_PRE_SEL], clk[IMX6QDL_CLK_PLL5_VIDEO_DIV]); |
| 869 | clk_set_parent(clk[IMX6QDL_CLK_IPU1_DI1_PRE_SEL], clk[IMX6QDL_CLK_PLL5_VIDEO_DIV]); |
| 870 | clk_set_parent(clk[IMX6QDL_CLK_IPU2_DI0_PRE_SEL], clk[IMX6QDL_CLK_PLL5_VIDEO_DIV]); |
| 871 | clk_set_parent(clk[IMX6QDL_CLK_IPU2_DI1_PRE_SEL], clk[IMX6QDL_CLK_PLL5_VIDEO_DIV]); |
| 872 | clk_set_parent(clk[IMX6QDL_CLK_IPU1_DI0_SEL], clk[IMX6QDL_CLK_IPU1_DI0_PRE]); |
| 873 | clk_set_parent(clk[IMX6QDL_CLK_IPU1_DI1_SEL], clk[IMX6QDL_CLK_IPU1_DI1_PRE]); |
| 874 | clk_set_parent(clk[IMX6QDL_CLK_IPU2_DI0_SEL], clk[IMX6QDL_CLK_IPU2_DI0_PRE]); |
| 875 | clk_set_parent(clk[IMX6QDL_CLK_IPU2_DI1_SEL], clk[IMX6QDL_CLK_IPU2_DI1_PRE]); |
| 876 | |
| 877 | /* |
| 878 | * The gpmi needs 100MHz frequency in the EDO/Sync mode, |
| 879 | * We can not get the 100MHz from the pll2_pfd0_352m. |
| 880 | * So choose pll2_pfd2_396m as enfc_sel's parent. |
| 881 | */ |
| 882 | clk_set_parent(clk[IMX6QDL_CLK_ENFC_SEL], clk[IMX6QDL_CLK_PLL2_PFD2_396M]); |
| 883 | |
| 884 | for (i = 0; i < ARRAY_SIZE(clks_init_on); i++) |
| 885 | clk_prepare_enable(clk[clks_init_on[i]]); |
| 886 | |
| 887 | if (IS_ENABLED(CONFIG_USB_MXS_PHY)) { |
| 888 | clk_prepare_enable(clk[IMX6QDL_CLK_USBPHY1_GATE]); |
| 889 | clk_prepare_enable(clk[IMX6QDL_CLK_USBPHY2_GATE]); |
| 890 | } |
| 891 | |
| 892 | /* |
| 893 | * Let's initially set up CLKO with OSC24M, since this configuration |
| 894 | * is widely used by imx6q board designs to clock audio codec. |
| 895 | */ |
| 896 | ret = clk_set_parent(clk[IMX6QDL_CLK_CKO2_SEL], clk[IMX6QDL_CLK_OSC]); |
| 897 | if (!ret) |
| 898 | ret = clk_set_parent(clk[IMX6QDL_CLK_CKO], clk[IMX6QDL_CLK_CKO2]); |
| 899 | if (ret) |
| 900 | pr_warn("failed to set up CLKO: %d\n", ret); |
| 901 | |
| 902 | /* Audio-related clocks configuration */ |
| 903 | clk_set_parent(clk[IMX6QDL_CLK_SPDIF_SEL], clk[IMX6QDL_CLK_PLL3_PFD3_454M]); |
| 904 | |
| 905 | /* All existing boards with PCIe use LVDS1 */ |
| 906 | if (IS_ENABLED(CONFIG_PCI_IMX6)) |
| 907 | clk_set_parent(clk[IMX6QDL_CLK_LVDS1_SEL], clk[IMX6QDL_CLK_SATA_REF_100M]); |
| 908 | |
| 909 | /* |
| 910 | * Initialize the GPU clock muxes, so that the maximum specified clock |
| 911 | * rates for the respective SoC are not exceeded. |
| 912 | */ |
| 913 | if (clk_on_imx6dl()) { |
| 914 | clk_set_parent(clk[IMX6QDL_CLK_GPU3D_CORE_SEL], |
| 915 | clk[IMX6QDL_CLK_PLL2_PFD1_594M]); |
| 916 | clk_set_parent(clk[IMX6QDL_CLK_GPU2D_CORE_SEL], |
| 917 | clk[IMX6QDL_CLK_PLL2_PFD1_594M]); |
| 918 | } else if (clk_on_imx6q()) { |
| 919 | clk_set_parent(clk[IMX6QDL_CLK_GPU3D_CORE_SEL], |
| 920 | clk[IMX6QDL_CLK_MMDC_CH0_AXI]); |
| 921 | clk_set_parent(clk[IMX6QDL_CLK_GPU3D_SHADER_SEL], |
| 922 | clk[IMX6QDL_CLK_PLL2_PFD1_594M]); |
| 923 | clk_set_parent(clk[IMX6QDL_CLK_GPU2D_CORE_SEL], |
| 924 | clk[IMX6QDL_CLK_PLL3_USB_OTG]); |
| 925 | } |
| 926 | |
| 927 | imx_register_uart_clocks(uart_clks); |
| 928 | } |
| 929 | CLK_OF_DECLARE(imx6q, "fsl,imx6q-ccm", imx6q_clocks_init); |