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ar71xx/sysmocom: register i2c bus + devices

This commit is contained in:
Alexander Couzens 2015-05-07 20:46:33 +02:00
parent 1755472d2e
commit 607bcc2386
1 changed files with 54 additions and 0 deletions
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54
target/linux/ar71xx/files/arch/mips/ath79/mach-sysmocom.c
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@ -10,6 +10,10 @@
#include <asm/mach-ath79/ath79.h>
#include <asm/mach-ath79/ar71xx_regs.h>
#include <linux/i2c.h>
#include <linux/i2c-algo-bit.h>
#include <linux/i2c-gpio.h>
#include <linux/platform_device.h>
#include "common.h"
#include "dev-eth.h"
#include "dev-gpio-buttons.h"
@ -24,6 +28,12 @@
#define SYSMOCOM_GPIO_LED_ETH0 13
#define SYSMOCOM_GPIO_LED_PSE 15
#define SYSMOCOM_SOB_AP1_GPIO_I2C_SDA 18
#define SYSMOCOM_SOB_AP1_GPIO_I2C_SCL 19
#define SYSMOCOM_SOB_AP2_GPIO_I2C_SDA 26
#define SYSMOCOM_SOB_AP2_GPIO_I2C_SCL 27
#define SYSMOCOM_MAC0_OFFSET 0x0000
#define SYSMOCOM_MAC1_OFFSET 0x0006
#define SYSMOCOM_CALDATA_OFFSET 0x1000
@ -65,6 +75,43 @@ static struct gpio_led sysmocom_sob_jb02_leds_gpio[] __initdata = {
}
};
static struct i2c_gpio_platform_data sob_ap1_i2c_gpio_data = {
.sda_pin = SYSMOCOM_SOB_AP1_GPIO_I2C_SDA,
.scl_pin = SYSMOCOM_SOB_AP1_GPIO_I2C_SCL,
.udelay = 20,
};
static struct i2c_gpio_platform_data sob_ap2_i2c_gpio_data = {
.sda_pin = SYSMOCOM_SOB_AP2_GPIO_I2C_SDA,
.scl_pin = SYSMOCOM_SOB_AP2_GPIO_I2C_SCL,
.udelay = 20,
};
static struct platform_device sob_ap1_i2c_gpio_device = {
.name = "i2c-gpio",
.id = 0,
.dev = {
.platform_data = &sob_ap1_i2c_gpio_data,
}
};
static struct platform_device sob_ap2_i2c_gpio_device = {
.name = "i2c-gpio",
.id = 0,
.dev = {
.platform_data = &sob_ap2_i2c_gpio_data,
}
};
static struct i2c_board_info sob_ap_i2c_devs[] __initdata = {
{
I2C_BOARD_INFO("apds9300", 0x29),
}, {
I2C_BOARD_INFO("lm75b", 0x48),
}, {
I2C_BOARD_INFO("24c00", 0x50),
},
};
static void __init sysmocom_common_setup(void)
{
@ -94,6 +141,10 @@ static void __init sysmocom_sob_ap1_setup(void)
ath79_register_leds_gpio(-1, ARRAY_SIZE(sysmocom_sob_ap1_leds_gpio),
sysmocom_sob_ap1_leds_gpio);
ath79_register_usb();
platform_device_register(&sob_ap1_i2c_gpio_device);
i2c_register_board_info(0, sob_ap_i2c_devs,
ARRAY_SIZE(sob_ap_i2c_devs));
}
static void __init sysmocom_sob_ap2_setup(void)
@ -127,6 +178,9 @@ static void __init sysmocom_sob_ap2_setup(void)
ath79_reset_rr(AR933X_RESET_REG_BOOTSTRAP) |
AR933X_BOOTSTRAP_MDIO_GPIO_EN);
platform_device_register(&sob_ap2_i2c_gpio_device);
i2c_register_board_info(0, sob_ap_i2c_devs,
ARRAY_SIZE(sob_ap_i2c_devs));
}
static void __init sysmocom_sob_jb02_setup(void)