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From 910bb9afd79a00d707c9eb603fabf092dd6368d6 Mon Sep 17 00:00:00 2001
From: Vasily Khoruzhick <anarsoul@gmail.com>
Date: Sat, 17 Dec 2011 13:14:51 +0300
Subject: [PATCH 10/15] ARM: s3c24xx: h1940: add bluetooth RF kill switch
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
---
arch/arm/mach-s3c24xx/h1940.h | 4 +++-
arch/arm/mach-s3c24xx/mach-h1940.c | 39 ++++++++++++++++++++++++++++++++++++++
2 files changed, 42 insertions(+), 1 deletion(-)
diff --git a/arch/arm/mach-s3c24xx/h1940.h b/arch/arm/mach-s3c24xx/h1940.h
index 596d9f6..899176c 100644
--- a/arch/arm/mach-s3c24xx/h1940.h
+++ b/arch/arm/mach-s3c24xx/h1940.h
@@ -48,7 +48,9 @@ extern int h1940_led_blink_set(struct gpio_desc *desc, int state,
#define H1940_LATCH_SM803_ENABLE H1940_LATCH_GPIO(10)
#define H1940_LATCH_LCD_P4 H1940_LATCH_GPIO(11)
#define H1940_LATCH_SD_POWER H1940_LATCH_GPIO(12)
-#define H1940_LATCH_BLUETOOTH_POWER H1940_LATCH_GPIO(13)
+#define H1940_LATCH_BT_POWER_IDX 13
+#define H1940_LATCH_BLUETOOTH_POWER \
+ H1940_LATCH_GPIO(H1940_LATCH_BT_POWER_IDX)
#define H1940_LATCH_LED_GREEN H1940_LATCH_GPIO(14)
#define H1940_LATCH_LED_FLASH H1940_LATCH_GPIO(15)
diff --git a/arch/arm/mach-s3c24xx/mach-h1940.c b/arch/arm/mach-s3c24xx/mach-h1940.c
index d87824e..067be00 100644
--- a/arch/arm/mach-s3c24xx/mach-h1940.c
+++ b/arch/arm/mach-s3c24xx/mach-h1940.c
@@ -31,6 +31,7 @@
#include <linux/pda_power.h>
#include <linux/s3c_adc_battery.h>
#include <linux/delay.h>
+#include <linux/rfkill-gpio.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
@@ -40,6 +41,8 @@
#include <linux/mmc/host.h>
#include <linux/export.h>
+#include <linux/gpio/machine.h>
+
#include <asm/irq.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
@@ -692,6 +695,27 @@ static struct platform_device h1940_dev_buttons = {
}
};
+static struct rfkill_gpio_platform_data h1940_bt_rfkill_pdata = {
+ .name = "h1940-bt",
+ .type = RFKILL_TYPE_BLUETOOTH,
+};
+
+static struct platform_device h1940_bluetooth = {
+ .name = "rfkill_gpio",
+ .id = 0,
+ .dev = {
+ .platform_data = &h1940_bt_rfkill_pdata,
+ },
+};
+
+static struct gpiod_lookup_table bt_gpio_lookup = {
+ .dev_id = "h1940-bt",
+ .table = {
+ GPIO_LOOKUP_IDX("H1940_LATCH", 13, NULL, 0, 0),
+ { },
+ },
+};
+
static struct platform_device *h1940_devices[] __initdata = {
&h1940_dev_buttons,
&s3c2410_device_dma,
@@ -713,6 +737,7 @@ static struct platform_device *h1940_devices[] __initdata = {
&s3c_device_ts,
&power_supply,
&h1940_battery,
+ &h1940_bluetooth,
};
static void __init h1940_map_io(void)
@@ -788,6 +813,20 @@ static void __init h1940_init(void)
gpio_request(H1940_LATCH_SD_POWER, "SD power");
gpio_direction_output(H1940_LATCH_SD_POWER, 0);
+ /* Configures BT serial port GPIOs */
+ s3c_gpio_cfgpin(S3C2410_GPH(0), S3C2410_GPH0_nCTS0);
+ s3c_gpio_setpull(S3C2410_GPH(0), S3C_GPIO_PULL_NONE);
+ s3c_gpio_cfgpin(S3C2410_GPH(1), S3C2410_GPH1_nRTS0);
+ s3c_gpio_setpull(S3C2410_GPH(1), S3C_GPIO_PULL_NONE);
+ s3c_gpio_cfgpin(S3C2410_GPH(2), S3C2410_GPH2_TXD0);
+ s3c_gpio_setpull(S3C2410_GPH(2), S3C_GPIO_PULL_NONE);
+ s3c_gpio_cfgpin(S3C2410_GPH(3), S3C2410_GPH3_RXD0);
+ s3c_gpio_setpull(S3C2410_GPH(3), S3C_GPIO_PULL_NONE);
+
+ gpio_request(S3C2410_GPC(9), "BT reset");
+ gpio_direction_output(S3C2410_GPC(9), 1);
+
+ gpiod_add_lookup_table(&bt_gpio_lookup);
platform_add_devices(h1940_devices, ARRAY_SIZE(h1940_devices));
gpio_request(S3C2410_GPA(1), "Red LED blink");
--
2.3.5
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