From 50a212ec906f7524620675f0c57357691c26c81f Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 16 Oct 2024 01:20:19 +0000
Subject: [PATCH] 修改GPIO导出默认初始值
---
kernel/arch/arm/mach-pxa/palmz72.c | 129 ++++---------------------------------------
1 files changed, 12 insertions(+), 117 deletions(-)
diff --git a/kernel/arch/arm/mach-pxa/palmz72.c b/kernel/arch/arm/mach-pxa/palmz72.c
index 4d475f6..b4a5fe0 100644
--- a/kernel/arch/arm/mach-pxa/palmz72.c
+++ b/kernel/arch/arm/mach-pxa/palmz72.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Hardware definitions for Palm Zire72
*
@@ -10,12 +11,7 @@
* Rewrite for mainline:
* Marek Vasut <marek.vasut@gmail.com>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
* (find more info at www.hackndev.com)
- *
*/
#include <linux/platform_device.h>
@@ -29,7 +25,6 @@
#include <linux/gpio.h>
#include <linux/wm97xx.h>
#include <linux/power_supply.h>
-#include <linux/usb/gpio_vbus.h>
#include <linux/platform_data/i2c-gpio.h>
#include <linux/gpio/machine.h>
@@ -51,8 +46,6 @@
#include "pm.h"
#include <linux/platform_data/media/camera-pxa.h>
-
-#include <media/soc_camera.h>
#include "generic.h"
#include "devices.h"
@@ -277,114 +270,18 @@
device_initcall(palmz72_pm_init);
#endif
-/******************************************************************************
- * SoC Camera
- ******************************************************************************/
-#if defined(CONFIG_SOC_CAMERA_OV9640) || \
- defined(CONFIG_SOC_CAMERA_OV9640_MODULE)
-static struct pxacamera_platform_data palmz72_pxacamera_platform_data = {
- .flags = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 |
- PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN,
- .mclk_10khz = 2600,
-};
-
-/* Board I2C devices. */
-static struct i2c_board_info palmz72_i2c_device[] = {
- {
- I2C_BOARD_INFO("ov9640", 0x30),
- }
-};
-
-static int palmz72_camera_power(struct device *dev, int power)
-{
- gpio_set_value(GPIO_NR_PALMZ72_CAM_PWDN, !power);
- mdelay(50);
- return 0;
-}
-
-static int palmz72_camera_reset(struct device *dev)
-{
- gpio_set_value(GPIO_NR_PALMZ72_CAM_RESET, 1);
- mdelay(50);
- gpio_set_value(GPIO_NR_PALMZ72_CAM_RESET, 0);
- mdelay(50);
- return 0;
-}
-
-static struct soc_camera_link palmz72_iclink = {
- .bus_id = 0, /* Match id in pxa27x_device_camera in device.c */
- .board_info = &palmz72_i2c_device[0],
- .i2c_adapter_id = 0,
- .module_name = "ov96xx",
- .power = &palmz72_camera_power,
- .reset = &palmz72_camera_reset,
- .flags = SOCAM_DATAWIDTH_8,
-};
-
-static struct gpiod_lookup_table palmz72_i2c_gpiod_table = {
- .dev_id = "i2c-gpio.0",
- .table = {
- GPIO_LOOKUP_IDX("gpio-pxa", 118, NULL, 0,
- GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),
- GPIO_LOOKUP_IDX("gpio-pxa", 117, NULL, 1,
- GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),
+static struct gpiod_lookup_table palmz72_mci_gpio_table = {
+ .dev_id = "pxa2xx-mci.0",
+ .table = {
+ GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMZ72_SD_DETECT_N,
+ "cd", GPIO_ACTIVE_LOW),
+ GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMZ72_SD_RO,
+ "wp", GPIO_ACTIVE_LOW),
+ GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMZ72_SD_POWER_N,
+ "power", GPIO_ACTIVE_LOW),
+ { },
},
};
-
-static struct i2c_gpio_platform_data palmz72_i2c_bus_data = {
- .udelay = 10,
- .timeout = 100,
-};
-
-static struct platform_device palmz72_i2c_bus_device = {
- .name = "i2c-gpio",
- .id = 0, /* we use this as a replacement for i2c-pxa */
- .dev = {
- .platform_data = &palmz72_i2c_bus_data,
- }
-};
-
-static struct platform_device palmz72_camera = {
- .name = "soc-camera-pdrv",
- .id = -1,
- .dev = {
- .platform_data = &palmz72_iclink,
- },
-};
-
-/* Here we request the camera GPIOs and configure them. We power up the camera
- * module, deassert the reset pin, but put it into powerdown (low to no power
- * consumption) mode. This allows us to later bring the module up fast. */
-static struct gpio palmz72_camera_gpios[] = {
- { GPIO_NR_PALMZ72_CAM_POWER, GPIOF_INIT_HIGH,"Camera DVDD" },
- { GPIO_NR_PALMZ72_CAM_RESET, GPIOF_INIT_LOW, "Camera RESET" },
- { GPIO_NR_PALMZ72_CAM_PWDN, GPIOF_INIT_LOW, "Camera PWDN" },
-};
-
-static inline void __init palmz72_cam_gpio_init(void)
-{
- int ret;
-
- ret = gpio_request_array(ARRAY_AND_SIZE(palmz72_camera_gpios));
- if (!ret)
- gpio_free_array(ARRAY_AND_SIZE(palmz72_camera_gpios));
- else
- printk(KERN_ERR "Camera GPIO init failed!\n");
-
- return;
-}
-
-static void __init palmz72_camera_init(void)
-{
- palmz72_cam_gpio_init();
- pxa_set_camera_info(&palmz72_pxacamera_platform_data);
- gpiod_add_lookup_table(&palmz72_i2c_gpiod_table);
- platform_device_register(&palmz72_i2c_bus_device);
- platform_device_register(&palmz72_camera);
-}
-#else
-static inline void palmz72_camera_init(void) {}
-#endif
/******************************************************************************
* Machine init
@@ -396,8 +293,7 @@
pxa_set_btuart_info(NULL);
pxa_set_stuart_info(NULL);
- palm27x_mmc_init(GPIO_NR_PALMZ72_SD_DETECT_N, GPIO_NR_PALMZ72_SD_RO,
- GPIO_NR_PALMZ72_SD_POWER_N, 1);
+ palm27x_mmc_init(&palmz72_mci_gpio_table);
palm27x_lcd_init(-1, &palm_320x320_lcd_mode);
palm27x_udc_init(GPIO_NR_PALMZ72_USB_DETECT_N,
GPIO_NR_PALMZ72_USB_PULLUP, 0);
@@ -409,7 +305,6 @@
palm27x_pmic_init();
palmz72_kpc_init();
palmz72_leds_init();
- palmz72_camera_init();
}
MACHINE_START(PALMZ72, "Palm Zire72")
--
Gitblit v1.6.2