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rk29 ddr3 sdk: add irda board data struct

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This commit is contained in:
lyx
2011-08-25 19:38:43 -07:00
parent c4e1ccfd7d
commit 02b59631de
1 changed files with 148 additions and 0 deletions
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148
arch/arm/mach-rk29/board-rk29-ddr3sdk.c
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@@ -45,6 +45,7 @@
#include <mach/sram.h>
#include <mach/ddr.h>
#include <mach/cpufreq.h>
#include <mach/rk29_smc.h>
#include <linux/regulator/rk29-pwm-regulator.h>
#include <linux/regulator/machine.h>
@@ -1385,6 +1386,145 @@ static struct platform_device rk29_device_gpu = {
};
#endif
#if defined(CONFIG_RK_IRDA) || defined(CONFIG_BU92747GUW_CIR)
#define BU92747GUW_RESET_PIN RK29_PIN3_PD4// INVALID_GPIO //
#define BU92747GUW_RESET_MUX_NAME GPIO3D4_HOSTWRN_NAME//NULL //
#define BU92747GUW_RESET_MUX_MODE GPIO3H_GPIO3D4//NULL //
#define BU92747GUW_PWDN_PIN RK29_PIN3_PD3//RK29_PIN5_PA7 //
#define BU92747GUW_PWDN_MUX_NAME GPIO3D3_HOSTRDN_NAME//GPIO5A7_HSADCDATA2_NAME //
#define BU92747GUW_PWDN_MUX_MODE GPIO3H_GPIO3D3//GPIO5L_GPIO5A7 //
static int bu92747guw_io_init(void)
{
int ret;
//reset pin
if(BU92747GUW_RESET_MUX_NAME != NULL)
{
rk29_mux_api_set(BU92747GUW_RESET_MUX_NAME, BU92747GUW_RESET_MUX_MODE);
}
ret = gpio_request(BU92747GUW_RESET_PIN, NULL);
if(ret != 0)
{
gpio_free(BU92747GUW_RESET_PIN);
printk(">>>>>> BU92747GUW_RESET_PIN gpio_request err \n ");
}
gpio_direction_output(BU92747GUW_RESET_PIN, GPIO_HIGH);
//power down pin
if(BU92747GUW_PWDN_MUX_NAME != NULL)
{
rk29_mux_api_set(BU92747GUW_PWDN_MUX_NAME, BU92747GUW_PWDN_MUX_MODE);
}
ret = gpio_request(BU92747GUW_PWDN_PIN, NULL);
if(ret != 0)
{
gpio_free(BU92747GUW_PWDN_PIN);
printk(">>>>>> BU92747GUW_PWDN_PIN gpio_request err \n ");
}
//power down as default
gpio_direction_output(BU92747GUW_PWDN_PIN, GPIO_LOW);
return 0;
}
static int bu92747guw_io_deinit(void)
{
gpio_free(BU92747GUW_PWDN_PIN);
gpio_free(BU92747GUW_RESET_PIN);
return 0;
}
//power ctl func is share with irda and remote
static int nPowerOnCount = 0;
static DEFINE_MUTEX(bu92747_power_mutex);
//1---power on; 0---power off
static int bu92747guw_power_ctl(int enable)
{
printk("%s \n",__FUNCTION__);
mutex_lock(&bu92747_power_mutex);
if (enable) {
nPowerOnCount++;
if (nPowerOnCount == 1) {//power on first
//smc0_init(NULL);
gpio_set_value(BU92747GUW_PWDN_PIN, GPIO_HIGH);
gpio_set_value(BU92747GUW_RESET_PIN, GPIO_LOW);
mdelay(5);
gpio_set_value(BU92747GUW_RESET_PIN, GPIO_HIGH);
mdelay(5);
}
}
else {
nPowerOnCount--;
if (nPowerOnCount <= 0) {//power down final
nPowerOnCount = 0;
//smc0_exit();
gpio_set_value(BU92747GUW_PWDN_PIN, GPIO_LOW);
}
}
mutex_unlock(&bu92747_power_mutex);
return 0;
}
#endif
#ifdef CONFIG_RK_IRDA
#define IRDA_IRQ_PIN RK29_PIN5_PB2
#define IRDA_IRQ_MUX_NAME GPIO5B2_HSADCDATA5_NAME
#define IRDA_IRQ_MUX_MODE GPIO5L_GPIO5B2
int irda_iomux_init(void)
{
int ret = 0;
//irda irq pin
if(IRDA_IRQ_MUX_NAME != NULL)
{
rk29_mux_api_set(IRDA_IRQ_MUX_NAME, IRDA_IRQ_MUX_MODE);
}
ret = gpio_request(IRDA_IRQ_PIN, NULL);
if(ret != 0)
{
gpio_free(IRDA_IRQ_PIN);
printk(">>>>>> IRDA_IRQ_PIN gpio_request err \n ");
}
gpio_pull_updown(IRDA_IRQ_PIN, GPIO_HIGH);
gpio_direction_input(IRDA_IRQ_PIN);
return 0;
}
int irda_iomux_deinit(void)
{
gpio_free(IRDA_IRQ_PIN);
return 0;
}
static struct irda_info rk29_irda_info = {
.intr_pin = IRDA_IRQ_PIN,
.iomux_init = irda_iomux_init,
.iomux_deinit = irda_iomux_deinit,
.irda_pwr_ctl = bu92747guw_power_ctl,
};
static struct platform_device irda_device = {
#ifdef CONFIG_RK_IRDA_NET
.name = "rk_irda",
#else
.name = "bu92747_irda",
#endif
.id = -1,
.dev = {
.platform_data = &rk29_irda_info,
}
};
#endif
#ifdef CONFIG_KEYS_RK29
extern struct rk29_keys_platform_data rk29_keys_pdata;
static struct platform_device rk29_device_keys = {
@@ -1523,6 +1663,9 @@ static struct platform_device *devices[] __initdata = {
#ifdef CONFIG_VIDEO_RK29XX_VOUT
&rk29_v4l2_output_devce,
#endif
#ifdef CONFIG_RK_IRDA
&irda_device,
#endif
};
/*****************************************************************************************
@@ -1812,6 +1955,11 @@ static void __init machine_rk29_board_init(void)
#endif
board_usb_detect_init(RK29_PIN0_PA0);
#if defined(CONFIG_RK_IRDA) || defined(CONFIG_BU92747GUW_CIR)
smc0_init(NULL);
bu92747guw_io_init();
#endif
}
static void __init machine_rk29_fixup(struct machine_desc *desc, struct tag *tags,