diff options
| -rw-r--r-- | arch/arm/boot/dts/ste-nomadik-nhk15.dts | 18 | ||||
| -rw-r--r-- | arch/arm/boot/dts/ste-nomadik-s8815.dts | 18 | ||||
| -rw-r--r-- | arch/arm/mach-nomadik/cpu-8815.c | 36 |
3 files changed, 20 insertions, 52 deletions
diff --git a/arch/arm/boot/dts/ste-nomadik-nhk15.dts b/arch/arm/boot/dts/ste-nomadik-nhk15.dts index 3d25dba143a5..0e167ed2857b 100644 --- a/arch/arm/boot/dts/ste-nomadik-nhk15.dts +++ b/arch/arm/boot/dts/ste-nomadik-nhk15.dts @@ -131,6 +131,16 @@ #gpio-cells = <2>; interrupt-controller; #interrupt-cells = <2>; + /* + * This will turn off SATA so that MMC/SD + * can thrive + */ + mmcsd-gpio { + gpio-hog; + gpios = <2 0x0>; + output-low; + line-name = "SATA EN"; + }; }; }; }; @@ -141,12 +151,4 @@ wp-gpios = <&stmpe_gpio44 18 GPIO_ACTIVE_HIGH>; }; }; - - /* Custom board node with GPIO pins to active etc */ - usb-s8815 { - /* This will turn off SATA so that MMC/SD can thrive */ - mmcsd-gpio { - gpios = <&stmpe_gpio44 2 0x1>; - }; - }; }; diff --git a/arch/arm/boot/dts/ste-nomadik-s8815.dts b/arch/arm/boot/dts/ste-nomadik-s8815.dts index 3c140d05f796..edcfe2413ee7 100644 --- a/arch/arm/boot/dts/ste-nomadik-s8815.dts +++ b/arch/arm/boot/dts/ste-nomadik-s8815.dts @@ -19,6 +19,16 @@ serial1 = &uart1; }; + gpio3: gpio@101e7000 { + /* This hog will bias the MMC/SD card detect line */ + mmcsd-gpio { + gpio-hog; + gpios = <16 0x0>; + output-low; + line-name = "card detect bias"; + }; + }; + src@101e0000 { /* These chrystal drivers are not used on this board */ disable-sxtalo; @@ -109,14 +119,6 @@ }; }; - /* Custom board node with GPIO pins to active etc */ - usb-s8815 { - /* This will bias the MMC/SD card detect line */ - mmcsd-gpio { - gpios = <&gpio3 16 0x1>; - }; - }; - /* The user LED on the board is set up to be used for heartbeat */ leds { compatible = "gpio-leds"; diff --git a/arch/arm/mach-nomadik/cpu-8815.c b/arch/arm/mach-nomadik/cpu-8815.c index 9bda46f1fab7..82831dc6122f 100644 --- a/arch/arm/mach-nomadik/cpu-8815.c +++ b/arch/arm/mach-nomadik/cpu-8815.c @@ -26,10 +26,8 @@ #include <linux/irq.h> #include <linux/dma-mapping.h> #include <linux/of_irq.h> -#include <linux/of_gpio.h> #include <linux/of_address.h> #include <linux/of_platform.h> -#include <linux/gpio.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> @@ -109,40 +107,6 @@ static void cpu8815_restart(enum reboot_mode mode, const char *cmd) writel(1, srcbase + 0x18); } -/* - * This GPIO pin turns on a line that is used to detect card insertion - * on this board. - */ -static int __init cpu8815_mmcsd_init(void) -{ - struct device_node *cdbias; - int gpio, err; - - cdbias = of_find_node_by_path("/usb-s8815/mmcsd-gpio"); - if (!cdbias) { - pr_info("could not find MMC/SD card detect bias node\n"); - return 0; - } - gpio = of_get_gpio(cdbias, 0); - if (gpio < 0) { - pr_info("could not obtain MMC/SD card detect bias GPIO\n"); - return 0; - } - err = gpio_request(gpio, "card detect bias"); - if (err) { - pr_info("failed to request card detect bias GPIO %d\n", gpio); - return -ENODEV; - } - err = gpio_direction_output(gpio, 0); - if (err){ - pr_info("failed to set GPIO %d as output, low\n", gpio); - return err; - } - pr_info("enabled USB-S8815 CD bias GPIO %d, low\n", gpio); - return 0; -} -device_initcall(cpu8815_mmcsd_init); - static const char * cpu8815_board_compat[] = { "st,nomadik-nhk-15", "calaosystems,usb-s8815", |