| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * Copyright (c) 2019 MediaTek Inc. |
| */ |
| #include <linux/mfd/mt6315/registers.h> |
| #include <linux/pmif.h> |
| #include <linux/regmap.h> |
| #include <linux/regulator/consumer.h> |
| #include <linux/regulator/mt6315-misc.h> |
| #include <linux/regulator/mt6315-regulator.h> |
| |
| #define LP_INIT_SETTING_VERIFIED 1 |
| |
| #define MT6315_DECL_CHIP(_mid, _saddr)\ |
| { \ |
| .master_idx = _mid, \ |
| .slave_addr = _saddr, \ |
| .regmap = NULL, \ |
| } |
| |
| static struct mt6315_misc mt6315_misc[] = { |
| #if defined(CONFIG_MACH_MT6885) || defined(CONFIG_MACH_MT6873) |
| MT6315_DECL_CHIP(SPMI_MASTER_0, MT6315_SLAVE_ID_6), |
| MT6315_DECL_CHIP(SPMI_MASTER_0, MT6315_SLAVE_ID_7), |
| MT6315_DECL_CHIP(SPMI_MASTER_0, MT6315_SLAVE_ID_3), |
| #elif defined(CONFIG_MACH_MT6853) |
| MT6315_DECL_CHIP(SPMI_MASTER_0, MT6315_SLAVE_ID_3), |
| #else /* For MT6890 */ |
| MT6315_DECL_CHIP(SPMI_MASTER_1, MT6315_SLAVE_ID_5), |
| #endif |
| }; |
| |
| static struct mt6315_misc *mt6315_find_chip_sid(u32 sid) |
| { |
| int i; |
| |
| for (i = 0; i < ARRAY_SIZE(mt6315_misc); i++) { |
| if (mt6315_misc[i].slave_addr == sid) |
| return &mt6315_misc[i]; |
| } |
| return NULL; |
| } |
| |
| static unsigned int g_vmodem_vosel; |
| static unsigned int g_vnr_vosel; |
| static unsigned int g_vsram_md_vosel; |
| |
| static void mt6315_S3_default_vosel(void) |
| { |
| struct mt6315_misc *mt6315; |
| struct regmap *regmap; |
| |
| mt6315 = mt6315_find_chip_sid(MT6315_SLAVE_ID_3); |
| if (!mt6315) { |
| pr_info("%s MT6315S3 not ready.\n", __func__); |
| return; |
| } |
| |
| regmap = mt6315->regmap; |
| if (!regmap) { |
| pr_info("%s null regmap.\n", __func__); |
| return; |
| } |
| |
| if (g_vmodem_vosel != 0) { |
| #if defined(CONFIG_MACH_MT6885) || defined(CONFIG_MACH_MT6873) |
| regmap_write(regmap, MT6315_PMIC_RG_BUCK_VBUCK1_VOSEL_ADDR, |
| g_vmodem_vosel); |
| regmap_write(regmap, MT6315_PMIC_RG_BUCK_VBUCK3_VOSEL_ADDR, |
| g_vnr_vosel); |
| regmap_write(regmap, MT6315_PMIC_RG_BUCK_VBUCK4_VOSEL_ADDR, |
| g_vsram_md_vosel); |
| #elif defined(CONFIG_MACH_MT6853) |
| regmap_write(regmap, MT6315_PMIC_RG_BUCK_VBUCK4_VOSEL_ADDR, |
| g_vsram_md_vosel); |
| regmap_write(regmap, MT6315_PMIC_RG_BUCK_VBUCK1_VOSEL_ADDR, |
| g_vmodem_vosel); |
| #endif |
| pr_info("[%s] set vmodem=0x%x, vnr=0x%x, vsram_md=0x%x\n" |
| , __func__, g_vmodem_vosel, g_vnr_vosel, |
| g_vsram_md_vosel); |
| } else { |
| #if defined(CONFIG_MACH_MT6885) || defined(CONFIG_MACH_MT6873) |
| regmap_read(regmap, MT6315_PMIC_DA_VBUCK1_VOSEL_ADDR, |
| &g_vmodem_vosel); |
| regmap_read(regmap, MT6315_PMIC_DA_VBUCK3_VOSEL_ADDR, |
| &g_vnr_vosel); |
| regmap_read(regmap, MT6315_PMIC_DA_VBUCK4_VOSEL_ADDR, |
| &g_vsram_md_vosel); |
| #elif defined(CONFIG_MACH_MT6853) |
| regmap_read(regmap, MT6315_PMIC_DA_VBUCK1_VOSEL_ADDR, |
| &g_vmodem_vosel); |
| g_vnr_vosel = g_vmodem_vosel; |
| regmap_read(regmap, MT6315_PMIC_DA_VBUCK4_VOSEL_ADDR, |
| &g_vsram_md_vosel); |
| #endif |
| pr_info("[%s] record vmodem=0x%x, vnr=0x%x, vsram_md=0x%x\n" |
| , __func__, g_vmodem_vosel, g_vnr_vosel, |
| g_vsram_md_vosel); |
| } |
| } |
| |
| void mt6315_vmd1_pmic_setting_on(void) |
| { |
| /* Reset VMODEM/VNR/VSRAM_MD default voltage */ |
| mt6315_S3_default_vosel(); |
| } |
| |
| static int is_mt6315_regulator_exist(const char *name) |
| { |
| int ret = 0; |
| struct regulator *reg; |
| |
| reg = regulator_get_optional(NULL, name); |
| if (IS_ERR(reg)) |
| return 0; |
| ret = regulator_is_enabled(reg); |
| regulator_put(reg); |
| |
| return ret; |
| } |
| |
| int is_mt6315_exist(void) |
| { |
| int ret = 0; |
| #if defined(CONFIG_MACH_MT6885) || defined(CONFIG_MACH_MT6873) |
| pr_info("%s S3:%d S6:%d S7:%d\n", __func__, |
| is_mt6315_regulator_exist("3_vbuck1"), |
| is_mt6315_regulator_exist("6_vbuck1"), |
| is_mt6315_regulator_exist("7_vbuck1")); |
| if (is_mt6315_regulator_exist("3_vbuck1") && |
| is_mt6315_regulator_exist("6_vbuck1") && |
| is_mt6315_regulator_exist("7_vbuck1")) |
| return 1; |
| #elif defined(CONFIG_MACH_MT6853) |
| ret = is_mt6315_regulator_exist("3_vbuck1"); |
| pr_info("%s S3:%d\n", __func__, ret); |
| #else |
| ret = is_mt6315_regulator_exist("5_vbuck1"); |
| pr_info("%s S5:%d\n", __func__, ret); |
| #endif |
| return ret; |
| } |
| |
| #if LP_INIT_SETTING_VERIFIED |
| static void mt6315_vbuck1_lp_setting(struct regmap *regmap, |
| enum MT6315_BUCK_EN_USER user, unsigned char mode, |
| unsigned char en, unsigned char cfg) |
| { |
| if (user == MT6315_SRCLKEN0) { |
| regmap_update_bits(regmap, |
| MT6315_PMIC_RG_BUCK_VBUCK1_HW0_OP_MODE_ADDR, |
| 0x1 << MT6315_PMIC_RG_BUCK_VBUCK1_HW0_OP_MODE_SHIFT, |
| mode << MT6315_PMIC_RG_BUCK_VBUCK1_HW0_OP_MODE_SHIFT); |
| regmap_update_bits(regmap, |
| MT6315_PMIC_RG_BUCK_VBUCK1_HW0_OP_EN_ADDR, |
| 0x1 << MT6315_PMIC_RG_BUCK_VBUCK1_HW0_OP_EN_SHIFT, |
| en << MT6315_PMIC_RG_BUCK_VBUCK1_HW0_OP_EN_SHIFT); |
| regmap_update_bits(regmap, |
| MT6315_PMIC_RG_BUCK_VBUCK1_HW0_OP_CFG_ADDR, |
| 0x1 << MT6315_PMIC_RG_BUCK_VBUCK1_HW0_OP_CFG_SHIFT, |
| cfg << MT6315_PMIC_RG_BUCK_VBUCK1_HW0_OP_CFG_SHIFT); |
| } else { |
| pr_info("%s non support user control(%d).\n", __func__, user); |
| } |
| } |
| |
| static void mt6315_vbuck2_lp_setting(struct regmap *regmap, |
| enum MT6315_BUCK_EN_USER user, unsigned char mode, |
| unsigned char en, unsigned char cfg) |
| { |
| if (user == MT6315_SRCLKEN0) { |
| regmap_update_bits(regmap, |
| MT6315_PMIC_RG_BUCK_VBUCK2_HW0_OP_MODE_ADDR, |
| 0x1 << MT6315_PMIC_RG_BUCK_VBUCK2_HW0_OP_MODE_SHIFT, |
| mode << MT6315_PMIC_RG_BUCK_VBUCK2_HW0_OP_MODE_SHIFT); |
| regmap_update_bits(regmap, |
| MT6315_PMIC_RG_BUCK_VBUCK2_HW0_OP_EN_ADDR, |
| 0x1 << MT6315_PMIC_RG_BUCK_VBUCK2_HW0_OP_EN_SHIFT, |
| en << MT6315_PMIC_RG_BUCK_VBUCK2_HW0_OP_EN_SHIFT); |
| regmap_update_bits(regmap, |
| MT6315_PMIC_RG_BUCK_VBUCK2_HW0_OP_CFG_ADDR, |
| 0x1 << MT6315_PMIC_RG_BUCK_VBUCK2_HW0_OP_CFG_SHIFT, |
| cfg << MT6315_PMIC_RG_BUCK_VBUCK2_HW0_OP_CFG_SHIFT); |
| } else { |
| pr_info("%s non support user control(%d).\n", __func__, user); |
| } |
| } |
| |
| static void mt6315_vbuck3_lp_setting(struct regmap *regmap, |
| enum MT6315_BUCK_EN_USER user, unsigned char mode, |
| unsigned char en, unsigned char cfg) |
| { |
| if (user == MT6315_SRCLKEN0) { |
| regmap_update_bits(regmap, |
| MT6315_PMIC_RG_BUCK_VBUCK3_HW0_OP_MODE_ADDR, |
| 0x1 << MT6315_PMIC_RG_BUCK_VBUCK3_HW0_OP_MODE_SHIFT, |
| mode << MT6315_PMIC_RG_BUCK_VBUCK3_HW0_OP_MODE_SHIFT); |
| regmap_update_bits(regmap, |
| MT6315_PMIC_RG_BUCK_VBUCK3_HW0_OP_EN_ADDR, |
| 0x1 << MT6315_PMIC_RG_BUCK_VBUCK3_HW0_OP_EN_SHIFT, |
| en << MT6315_PMIC_RG_BUCK_VBUCK3_HW0_OP_EN_SHIFT); |
| regmap_update_bits(regmap, |
| MT6315_PMIC_RG_BUCK_VBUCK3_HW0_OP_CFG_ADDR, |
| 0x1 << MT6315_PMIC_RG_BUCK_VBUCK3_HW0_OP_CFG_SHIFT, |
| cfg << MT6315_PMIC_RG_BUCK_VBUCK3_HW0_OP_CFG_SHIFT); |
| } else { |
| pr_info("%s non support user control(%d).\n", __func__, user); |
| } |
| } |
| |
| static void mt6315_vbuck4_lp_setting(struct regmap *regmap, |
| enum MT6315_BUCK_EN_USER user, unsigned char mode, |
| unsigned char en, unsigned char cfg) |
| { |
| if (user == MT6315_SRCLKEN0) { |
| regmap_update_bits(regmap, |
| MT6315_PMIC_RG_BUCK_VBUCK4_HW0_OP_MODE_ADDR, |
| 0x1 << MT6315_PMIC_RG_BUCK_VBUCK4_HW0_OP_MODE_SHIFT, |
| mode << MT6315_PMIC_RG_BUCK_VBUCK4_HW0_OP_MODE_SHIFT); |
| regmap_update_bits(regmap, |
| MT6315_PMIC_RG_BUCK_VBUCK4_HW0_OP_EN_ADDR, |
| 0x1 << MT6315_PMIC_RG_BUCK_VBUCK4_HW0_OP_EN_SHIFT, |
| en << MT6315_PMIC_RG_BUCK_VBUCK4_HW0_OP_EN_SHIFT); |
| regmap_update_bits(regmap, |
| MT6315_PMIC_RG_BUCK_VBUCK4_HW0_OP_CFG_ADDR, |
| 0x1 << MT6315_PMIC_RG_BUCK_VBUCK4_HW0_OP_CFG_SHIFT, |
| cfg << MT6315_PMIC_RG_BUCK_VBUCK4_HW0_OP_CFG_SHIFT); |
| } else { |
| pr_info("%s non support user control(%d).\n", __func__, user); |
| } |
| } |
| |
| |
| static void mt6315_lp_set(unsigned char slave_id, unsigned char buck_id, |
| enum MT6315_BUCK_EN_USER user, unsigned char op_mode, |
| unsigned char op_en, unsigned char op_cfg) |
| { |
| struct mt6315_misc *mt6315; |
| struct regmap *regmap; |
| |
| mt6315 = mt6315_find_chip_sid(slave_id); |
| if (!mt6315) { |
| pr_info("%s MT6315S%d not ready\n", __func__, slave_id); |
| return; |
| } |
| |
| regmap = mt6315->regmap; |
| if (!regmap) { |
| pr_info("%s null regmap.\n", __func__); |
| return; |
| } |
| |
| if (buck_id == 1) |
| mt6315_vbuck1_lp_setting(regmap, user, op_mode, op_en, op_cfg); |
| else if (buck_id == 2) |
| mt6315_vbuck2_lp_setting(regmap, user, op_mode, op_en, op_cfg); |
| else if (buck_id == 3) |
| mt6315_vbuck3_lp_setting(regmap, user, op_mode, op_en, op_cfg); |
| else if (buck_id == 4) |
| mt6315_vbuck4_lp_setting(regmap, user, op_mode, op_en, op_cfg); |
| else |
| pr_info("%s invalid buck_id=%d.\n", __func__, buck_id); |
| } |
| |
| /* enable VDIG18 SRCLKEN low power mode */ |
| static void mt6315_vdig18_hw_op_set(unsigned char slave_id, unsigned char en) |
| { |
| struct mt6315_misc *mt6315; |
| struct regmap *regmap; |
| |
| mt6315 = mt6315_find_chip_sid(slave_id); |
| if (!mt6315) { |
| pr_info("%s MT6315S%d not ready\n", __func__, slave_id); |
| return; |
| } |
| |
| regmap = mt6315->regmap; |
| if (!regmap) { |
| pr_info("%s null regmap.\n", __func__); |
| return; |
| } |
| |
| regmap_write(regmap, MT6315_PMIC_DIG_WPK_KEY_H_ADDR, 0x63); |
| regmap_write(regmap, MT6315_PMIC_DIG_WPK_KEY_ADDR, 0x15); |
| regmap_update_bits(regmap, |
| MT6315_PMIC_RG_LDO_VDIG18_HW_OP_EN_ADDR, |
| 0x1 << MT6315_PMIC_RG_LDO_VDIG18_HW_OP_EN_SHIFT, |
| en << MT6315_PMIC_RG_LDO_VDIG18_HW_OP_EN_SHIFT); |
| regmap_write(regmap, MT6315_PMIC_DIG_WPK_KEY_ADDR, 0x0); |
| regmap_write(regmap, MT6315_PMIC_DIG_WPK_KEY_H_ADDR, 0x0); |
| } |
| #endif /* End of LP_INIT_SETTING_VERIFIED */ |
| |
| static void mt6315_S3_lp_initial_setting(void) |
| { |
| #if LP_INIT_SETTING_VERIFIED |
| #if defined(CONFIG_MACH_MT6885) || defined(CONFIG_MACH_MT6873) |
| mt6315_vdig18_hw_op_set(MT6315_SLAVE_ID_3, 1); |
| /* vmodem/vnr/vsram_md */ |
| mt6315_lp_set(MT6315_SLAVE_ID_3, 1, MT6315_SRCLKEN0, 1, 1, HW_LP); |
| mt6315_lp_set(MT6315_SLAVE_ID_3, 3, MT6315_SRCLKEN0, 1, 1, HW_LP); |
| mt6315_lp_set(MT6315_SLAVE_ID_3, 4, MT6315_SRCLKEN0, 1, 1, HW_LP); |
| #elif defined(CONFIG_MACH_MT6853) |
| mt6315_vdig18_hw_op_set(MT6315_SLAVE_ID_3, 1); |
| /* vmodem/vpu/vsram_md */ |
| mt6315_lp_set(MT6315_SLAVE_ID_3, 1, MT6315_SRCLKEN0, 1, 1, HW_LP); |
| mt6315_lp_set(MT6315_SLAVE_ID_3, 3, MT6315_SRCLKEN0, 1, 1, HW_LP); |
| mt6315_lp_set(MT6315_SLAVE_ID_3, 4, MT6315_SRCLKEN0, 1, 1, HW_LP); |
| #endif |
| #endif |
| } |
| |
| static void mt6315_S5_lp_initial_setting(void) |
| { |
| #if LP_INIT_SETTING_VERIFIED |
| mt6315_vdig18_hw_op_set(MT6315_SLAVE_ID_5, 1); |
| /* vproc/vmdd2 */ |
| mt6315_lp_set(MT6315_SLAVE_ID_5, 1, MT6315_SRCLKEN0, 1, 1, HW_LP); |
| mt6315_lp_set(MT6315_SLAVE_ID_5, 3, MT6315_SRCLKEN0, 1, 1, HW_LP); |
| #endif |
| } |
| |
| static void mt6315_S6_lp_initial_setting(void) |
| { |
| #if LP_INIT_SETTING_VERIFIED |
| #if defined(CONFIG_MACH_MT6885) || defined(CONFIG_MACH_MT6873) |
| mt6315_vdig18_hw_op_set(MT6315_SLAVE_ID_6, 1); |
| #endif |
| #endif |
| } |
| |
| static void mt6315_S7_lp_initial_setting(void) |
| { |
| #if LP_INIT_SETTING_VERIFIED |
| #if defined(CONFIG_MACH_MT6885) |
| mt6315_vdig18_hw_op_set(MT6315_SLAVE_ID_7, 1); |
| /* vsram_core */ |
| mt6315_lp_set(MT6315_SLAVE_ID_7, 3, MT6315_SRCLKEN0, 1, 1, HW_LP); |
| #elif defined(CONFIG_MACH_MT6873) |
| mt6315_vdig18_hw_op_set(MT6315_SLAVE_ID_7, 1); |
| #endif |
| #endif |
| } |
| |
| static void mt6315_misc_initial_setting(u32 sid) |
| { |
| switch (sid) { |
| case MT6315_SLAVE_ID_3: |
| mt6315_S3_lp_initial_setting(); |
| mt6315_S3_default_vosel(); |
| break; |
| |
| case MT6315_SLAVE_ID_5: |
| mt6315_S5_lp_initial_setting(); |
| break; |
| |
| case MT6315_SLAVE_ID_6: |
| mt6315_S6_lp_initial_setting(); |
| break; |
| |
| case MT6315_SLAVE_ID_7: |
| mt6315_S7_lp_initial_setting(); |
| break; |
| |
| default: |
| pr_info("unsupported chip sid: %d\n", sid); |
| return; |
| } |
| } |
| |
| void mt6315_misc_init(u32 sid, struct regmap *regmap) |
| { |
| struct mt6315_misc *mt6315; |
| |
| mt6315 = mt6315_find_chip_sid(sid); |
| if (mt6315) |
| mt6315->regmap = regmap; |
| |
| mt6315_misc_initial_setting(sid); |
| |
| pr_info("%s sid=%d done\n", __func__, sid); |
| } |