add ax88772C AX88772C_eeprom_tools

hc

2024-05-10 61598093bbdd283a7edc367d900f223070ead8d2

 kernel/arch/arm/mach-pxa/ezx.c
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@@ -1,14 +1,10 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  *  ezx.c - Common code for the EZX platform.
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  *
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  *  Copyright (C) 2005-2006 Harald Welte <laforge@openezx.org>,
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  *		  2007-2008 Daniel Ribeiro <drwyrm@gmail.com>,
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  *		  2007-2008 Stefan Schmidt <stefan@datenfreihafen.org>
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- *
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- *  This program is free software; you can redistribute it and/or modify
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- *  it under the terms of the GNU General Public License version 2 as
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- *  published by the Free Software Foundation.
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- *
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  */
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 #include <linux/kernel.h>
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@@ -21,6 +17,7 @@
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 #include <linux/regulator/fixed.h>
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 #include <linux/input.h>
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 #include <linux/gpio.h>
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+#include <linux/gpio/machine.h>
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 #include <linux/gpio_keys.h>
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 #include <linux/leds-lp3944.h>
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 #include <linux/platform_data/i2c-pxa.h>
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@@ -58,7 +55,6 @@
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 static struct platform_pwm_backlight_data ezx_backlight_data = {
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 	.max_brightness	= 1023,
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 	.dft_brightness	= 1023,
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-	.enable_gpio	= -1,
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 };
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 static struct platform_device ezx_backlight_device = {
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@@ -698,31 +694,38 @@
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 #if defined(CONFIG_MACH_EZX_A780) || defined(CONFIG_MACH_EZX_A910)
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 /* camera */
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-static struct regulator_consumer_supply camera_dummy_supplies[] = {
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+static struct regulator_consumer_supply camera_regulator_supplies[] = {
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 	REGULATOR_SUPPLY("vdd", "0-005d"),
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 };
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-static struct regulator_init_data camera_dummy_initdata = {
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-	.consumer_supplies = camera_dummy_supplies,
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-	.num_consumer_supplies = ARRAY_SIZE(camera_dummy_supplies),
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+static struct regulator_init_data camera_regulator_initdata = {
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+	.consumer_supplies = camera_regulator_supplies,
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+	.num_consumer_supplies = ARRAY_SIZE(camera_regulator_supplies),
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 	.constraints = {
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 		.valid_ops_mask = REGULATOR_CHANGE_STATUS,
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 	},
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 };
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-static struct fixed_voltage_config camera_dummy_config = {
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+static struct fixed_voltage_config camera_regulator_config = {
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 	.supply_name		= "camera_vdd",
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 	.microvolts		= 2800000,
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-	.gpio			= GPIO50_nCAM_EN,
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-	.enable_high		= 0,
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-	.init_data		= &camera_dummy_initdata,
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+	.init_data		= &camera_regulator_initdata,
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 };
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-static struct platform_device camera_supply_dummy_device = {
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+static struct platform_device camera_supply_regulator_device = {
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 	.name	= "reg-fixed-voltage",
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 	.id	= 1,
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 	.dev	= {
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-		.platform_data = &camera_dummy_config,
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+		.platform_data = &camera_regulator_config,
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+	},
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+};
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+
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+static struct gpiod_lookup_table camera_supply_gpiod_table = {
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+	.dev_id = "reg-fixed-voltage.1",
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+	.table = {
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+		GPIO_LOOKUP("gpio-pxa", GPIO50_nCAM_EN,
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+			    NULL, GPIO_ACTIVE_LOW),
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+		{ },
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 	},
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 };
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 #endif
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@@ -800,7 +803,7 @@
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 static struct platform_device *a780_devices[] __initdata = {
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 	&a780_gpio_keys,
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-	&camera_supply_dummy_device,
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+	&camera_supply_regulator_device,
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 };
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 static void __init a780_init(void)
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@@ -823,6 +826,7 @@
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 	if (a780_camera_init() == 0)
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 		pxa_set_camera_info(&a780_pxacamera_platform_data);
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+	gpiod_add_lookup_table(&camera_supply_gpiod_table);
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 	pwm_add_table(ezx_pwm_lookup, ARRAY_SIZE(ezx_pwm_lookup));
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 	platform_add_devices(ARRAY_AND_SIZE(ezx_devices));
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 	platform_add_devices(ARRAY_AND_SIZE(a780_devices));
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@@ -1098,7 +1102,7 @@
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 static struct platform_device *a910_devices[] __initdata = {
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 	&a910_gpio_keys,
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-	&camera_supply_dummy_device,
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+	&camera_supply_regulator_device,
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 };
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 static void __init a910_init(void)
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@@ -1121,6 +1125,7 @@
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 	if (a910_camera_init() == 0)
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 		pxa_set_camera_info(&a910_pxacamera_platform_data);
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+	gpiod_add_lookup_table(&camera_supply_gpiod_table);
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 	pwm_add_table(ezx_pwm_lookup, ARRAY_SIZE(ezx_pwm_lookup));
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 	platform_add_devices(ARRAY_AND_SIZE(ezx_devices));
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 	platform_add_devices(ARRAY_AND_SIZE(a910_devices));