[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/os/linux/linux-3.4.x/drivers/pinctrl/pinctrl-tegra.h b/ap/os/linux/linux-3.4.x/drivers/pinctrl/pinctrl-tegra.h
new file mode 100644
index 0000000..782c795
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/drivers/pinctrl/pinctrl-tegra.h
@@ -0,0 +1,163 @@
+/*
+ * Driver for the NVIDIA Tegra pinmux
+ *
+ * Copyright (c) 2011, NVIDIA CORPORATION. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ */
+
+#ifndef __PINMUX_TEGRA_H__
+#define __PINMUX_TEGRA_H__
+
+/**
+ * struct tegra_function - Tegra pinctrl mux function
+ * @name: The name of the function, exported to pinctrl core.
+ * @groups: An array of pin groups that may select this function.
+ * @ngroups: The number of entries in @groups.
+ */
+struct tegra_function {
+ const char *name;
+ const char * const *groups;
+ unsigned ngroups;
+};
+
+/**
+ * struct tegra_pingroup - Tegra pin group
+ * @mux_reg: Mux register offset. -1 if unsupported.
+ * @mux_bank: Mux register bank. 0 if unsupported.
+ * @mux_bit: Mux register bit. 0 if unsupported.
+ * @pupd_reg: Pull-up/down register offset. -1 if unsupported.
+ * @pupd_bank: Pull-up/down register bank. 0 if unsupported.
+ * @pupd_bit: Pull-up/down register bit. 0 if unsupported.
+ * @tri_reg: Tri-state register offset. -1 if unsupported.
+ * @tri_bank: Tri-state register bank. 0 if unsupported.
+ * @tri_bit: Tri-state register bit. 0 if unsupported.
+ * @einput_reg: Enable-input register offset. -1 if unsupported.
+ * @einput_bank: Enable-input register bank. 0 if unsupported.
+ * @einput_bit: Enable-input register bit. 0 if unsupported.
+ * @odrain_reg: Open-drain register offset. -1 if unsupported.
+ * @odrain_bank: Open-drain register bank. 0 if unsupported.
+ * @odrain_bit: Open-drain register bit. 0 if unsupported.
+ * @lock_reg: Lock register offset. -1 if unsupported.
+ * @lock_bank: Lock register bank. 0 if unsupported.
+ * @lock_bit: Lock register bit. 0 if unsupported.
+ * @ioreset_reg: IO reset register offset. -1 if unsupported.
+ * @ioreset_bank: IO reset register bank. 0 if unsupported.
+ * @ioreset_bit: IO reset register bit. 0 if unsupported.
+ * @drv_reg: Drive fields register offset. -1 if unsupported.
+ * This register contains the hsm, schmitt, lpmd, drvdn,
+ * drvup, slwr, and slwf parameters.
+ * @drv_bank: Drive fields register bank. 0 if unsupported.
+ * @hsm_bit: High Speed Mode register bit. 0 if unsupported.
+ * @schmitt_bit: Scmitt register bit. 0 if unsupported.
+ * @lpmd_bit: Low Power Mode register bit. 0 if unsupported.
+ * @drvdn_bit: Drive Down register bit. 0 if unsupported.
+ * @drvdn_width: Drive Down field width. 0 if unsupported.
+ * @drvup_bit: Drive Up register bit. 0 if unsupported.
+ * @drvup_width: Drive Up field width. 0 if unsupported.
+ * @slwr_bit: Slew Rising register bit. 0 if unsupported.
+ * @slwr_width: Slew Rising field width. 0 if unsupported.
+ * @slwf_bit: Slew Falling register bit. 0 if unsupported.
+ * @slwf_width: Slew Falling field width. 0 if unsupported.
+ *
+ * A representation of a group of pins (possibly just one pin) in the Tegra
+ * pin controller. Each group allows some parameter or parameters to be
+ * configured. The most common is mux function selection. Many others exist
+ * such as pull-up/down, tri-state, etc. Tegra's pin controller is complex;
+ * certain groups may only support configuring certain parameters, hence
+ * each parameter is optional, represented by a -1 "reg" value.
+ */
+struct tegra_pingroup {
+ const char *name;
+ const unsigned *pins;
+ unsigned npins;
+ unsigned funcs[4];
+ unsigned func_safe;
+ s16 mux_reg;
+ s16 pupd_reg;
+ s16 tri_reg;
+ s16 einput_reg;
+ s16 odrain_reg;
+ s16 lock_reg;
+ s16 ioreset_reg;
+ s16 drv_reg;
+ u32 mux_bank:2;
+ u32 pupd_bank:2;
+ u32 tri_bank:2;
+ u32 einput_bank:2;
+ u32 odrain_bank:2;
+ u32 ioreset_bank:2;
+ u32 lock_bank:2;
+ u32 drv_bank:2;
+ u32 mux_bit:5;
+ u32 pupd_bit:5;
+ u32 tri_bit:5;
+ u32 einput_bit:5;
+ u32 odrain_bit:5;
+ u32 lock_bit:5;
+ u32 ioreset_bit:5;
+ u32 hsm_bit:5;
+ u32 schmitt_bit:5;
+ u32 lpmd_bit:5;
+ u32 drvdn_bit:5;
+ u32 drvup_bit:5;
+ u32 slwr_bit:5;
+ u32 slwf_bit:5;
+ u32 drvdn_width:6;
+ u32 drvup_width:6;
+ u32 slwr_width:6;
+ u32 slwf_width:6;
+};
+
+/**
+ * struct tegra_pinctrl_soc_data - Tegra pin controller driver configuration
+ * @ngpios: The number of GPIO pins the pin controller HW affects.
+ * @pins: An array describing all pins the pin controller affects.
+ * All pins which are also GPIOs must be listed first within the
+ * array, and be numbered identically to the GPIO controller's
+ * numbering.
+ * @npins: The numbmer of entries in @pins.
+ * @functions: An array describing all mux functions the SoC supports.
+ * @nfunctions: The numbmer of entries in @functions.
+ * @groups: An array describing all pin groups the pin SoC supports.
+ * @ngroups: The numbmer of entries in @groups.
+ */
+struct tegra_pinctrl_soc_data {
+ unsigned ngpios;
+ const struct pinctrl_pin_desc *pins;
+ unsigned npins;
+ const struct tegra_function *functions;
+ unsigned nfunctions;
+ const struct tegra_pingroup *groups;
+ unsigned ngroups;
+};
+
+/**
+ * tegra_pinctrl_soc_initf() - Retrieve pin controller details for a SoC.
+ * @soc_data: This pointer must be updated to point at a struct containing
+ * details of the SoC.
+ */
+typedef void (*tegra_pinctrl_soc_initf)(
+ const struct tegra_pinctrl_soc_data **soc_data);
+
+/**
+ * tegra20_pinctrl_init() - Retrieve pin controller details for Tegra20
+ * @soc_data: This pointer will be updated to point at a struct containing
+ * details of Tegra20's pin controller.
+ */
+void tegra20_pinctrl_init(const struct tegra_pinctrl_soc_data **soc_data);
+/**
+ * tegra30_pinctrl_init() - Retrieve pin controller details for Tegra20
+ * @soc_data: This pointer will be updated to point at a struct containing
+ * details of Tegra30's pin controller.
+ */
+void tegra30_pinctrl_init(const struct tegra_pinctrl_soc_data **soc_data);
+
+#endif