From: anarsoul@gmail.com (Vasily Khoruzhick)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 3/5] h1940: implement mmc_power function
Date: Tue, 7 Sep 2010 18:00:03 +0300 [thread overview]
Message-ID: <1283871605-32068-4-git-send-email-anarsoul@gmail.com> (raw)
In-Reply-To: <1283871605-32068-1-git-send-email-anarsoul@gmail.com>
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
---
arch/arm/mach-s3c2410/include/mach/h1940-latch.h | 2 +-
arch/arm/mach-s3c2410/mach-h1940.c | 23 +++++++++++++++++++--
2 files changed, 21 insertions(+), 4 deletions(-)
diff --git a/arch/arm/mach-s3c2410/include/mach/h1940-latch.h b/arch/arm/mach-s3c2410/include/mach/h1940-latch.h
index 73586f2..ef7d8cf 100644
--- a/arch/arm/mach-s3c2410/include/mach/h1940-latch.h
+++ b/arch/arm/mach-s3c2410/include/mach/h1940-latch.h
@@ -35,7 +35,7 @@
#define H1940_LATCH_AUDIO_POWER H1940_LATCH_GPIO(9)
#define H1940_LATCH_SM803_ENABLE H1940_LATCH_GPIO(10)
#define H1940_LATCH_LCD_P4 H1940_LATCH_GPIO(11)
-#define H1940_LATCH_CPUQ5 H1940_LATCH_GPIO(12)
+#define H1940_LATCH_SD_POWER H1940_LATCH_GPIO(12)
#define H1940_LATCH_BLUETOOTH_POWER H1940_LATCH_GPIO(13)
#define H1940_LATCH_LED_GREEN H1940_LATCH_GPIO(14)
#define H1940_LATCH_LED_FLASH H1940_LATCH_GPIO(15)
diff --git a/arch/arm/mach-s3c2410/mach-h1940.c b/arch/arm/mach-s3c2410/mach-h1940.c
index 2af4afd..1741aa2 100644
--- a/arch/arm/mach-s3c2410/mach-h1940.c
+++ b/arch/arm/mach-s3c2410/mach-h1940.c
@@ -112,8 +112,7 @@ static unsigned int latch_state = H1940_LATCH_BIT(H1940_LATCH_LCD_P4) |
H1940_LATCH_BIT(H1940_LATCH_LCD_P1) |
H1940_LATCH_BIT(H1940_LATCH_LCD_P2) |
H1940_LATCH_BIT(H1940_LATCH_LCD_P3) |
- H1940_LATCH_BIT(H1940_LATCH_MAX1698_nSHUTDOWN) |
- H1940_LATCH_BIT(H1940_LATCH_CPUQ5);
+ H1940_LATCH_BIT(H1940_LATCH_MAX1698_nSHUTDOWN);
static void h1940_latch_control(unsigned int clear, unsigned int set)
{
@@ -255,10 +254,25 @@ static struct platform_device h1940_device_bluetooth = {
.id = -1,
};
+static void h1940_set_mmc_power(unsigned char power_mode, unsigned short vdd)
+{
+ switch (power_mode) {
+ case MMC_POWER_OFF:
+ gpio_set_value(H1940_LATCH_SD_POWER, 0);
+ break;
+ case MMC_POWER_UP:
+ case MMC_POWER_ON:
+ gpio_set_value(H1940_LATCH_SD_POWER, 1);
+ break;
+ default:
+ break;
+ };
+}
+
static struct s3c24xx_mci_pdata h1940_mmc_cfg __initdata = {
.gpio_detect = S3C2410_GPF(5),
.gpio_wprotect = S3C2410_GPH(8),
- .set_power = NULL,
+ .set_power = h1940_set_mmc_power,
.ocr_avail = MMC_VDD_32_33,
};
@@ -405,6 +419,9 @@ static void __init h1940_init(void)
gpio_request(H1940_LATCH_USB_DP, "USB pullup");
gpio_direction_output(H1940_LATCH_USB_DP, 0);
+ gpio_request(H1940_LATCH_SD_POWER, "SD power");
+ gpio_direction_output(H1940_LATCH_SD_POWER, 0);
+
platform_add_devices(h1940_devices, ARRAY_SIZE(h1940_devices));
}
--
1.7.2.2
next prev parent reply other threads:[~2010-09-07 15:00 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-07 15:00 [PATCH 0/5] h1940 series Vasily Khoruzhick
2010-09-07 15:00 ` [PATCH 1/5] h1940: use gpiolib for latch access Vasily Khoruzhick
2010-09-07 23:13 ` Ben Dooks
2010-09-08 9:39 ` [PATCH v2 " Vasily Khoruzhick
2010-09-07 15:00 ` [PATCH 2/5] h1940: fix h1940-bluetooth compilation Vasily Khoruzhick
2010-09-25 23:22 ` Ben Dooks
2010-09-25 23:39 ` Ben Dooks
2010-09-07 15:00 ` Vasily Khoruzhick [this message]
2010-09-25 23:43 ` [PATCH 3/5] h1940: implement mmc_power function Ben Dooks
2010-09-26 21:27 ` [PATCH v2 " Vasily Khoruzhick
2010-09-07 15:00 ` [PATCH 4/5] h1940: Fix backlight and LCD power functions Vasily Khoruzhick
2010-09-11 21:45 ` [PATCH v2 " Vasily Khoruzhick
2010-09-26 23:15 ` Ben Dooks
2010-09-27 6:28 ` [PATCH v3 " Vasily Khoruzhick
2010-09-07 23:14 ` [PATCH 0/5] h1940 series Ben Dooks
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