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authorLinus Walleij <linus.walleij@linaro.org>2018-11-12 15:12:35 +0100
committerUlf Hansson <ulf.hansson@linaro.org>2018-12-17 08:26:24 +0100
commit74ff81e16c3275a7d0fd4137c8f2279b7a491810 (patch)
treee0e60b954219143bac27bddf32bea45edda5b571 /arch/arm
parentmmc: jz4740: Use GPIO descriptor for power (diff)
downloadlinux-dev-74ff81e16c3275a7d0fd4137c8f2279b7a491810.tar.xz
linux-dev-74ff81e16c3275a7d0fd4137c8f2279b7a491810.zip
mmc: sdhci: imx: Use the slot GPIO descriptor
Simplify things by making the i.MX SDHCI driver just use slot GPIO with descriptors instead of passing around the global GPIO numbers that we want to get rid of. As it turns out, just one single board is using the platform data to pass in GPIOs numbers for CD and WP, so we augment this to use a machine descriptor table instead. Cc: Shawn Guo <shawnguo@kernel.org> Cc: Sascha Hauer <s.hauer@pengutronix.de> Cc: Pengutronix Kernel Team <kernel@pengutronix.de> Cc: Fabio Estevam <fabio.estevam@nxp.com> Cc: NXP Linux Team <linux-imx@nxp.com> Cc: Bartosz Golaszewski <brgl@bgdev.pl> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Dong Aisheng <aisheng.dong@nxp.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/mach-imx/mach-pcm043.c17
1 files changed, 13 insertions, 4 deletions
diff --git a/arch/arm/mach-imx/mach-pcm043.c b/arch/arm/mach-imx/mach-pcm043.c
index e595e5368676..46ba3348e8f0 100644
--- a/arch/arm/mach-imx/mach-pcm043.c
+++ b/arch/arm/mach-imx/mach-pcm043.c
@@ -20,6 +20,7 @@
#include <linux/mtd/plat-ram.h>
#include <linux/memory.h>
#include <linux/gpio.h>
+#include <linux/gpio/machine.h>
#include <linux/smc911x.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
@@ -214,8 +215,6 @@ static const iomux_v3_cfg_t pcm043_pads[] __initconst = {
#define AC97_GPIO_TXFS IMX_GPIO_NR(2, 31)
#define AC97_GPIO_TXD IMX_GPIO_NR(2, 28)
#define AC97_GPIO_RESET IMX_GPIO_NR(2, 0)
-#define SD1_GPIO_WP IMX_GPIO_NR(2, 23)
-#define SD1_GPIO_CD IMX_GPIO_NR(2, 24)
static void pcm043_ac97_warm_reset(struct snd_ac97 *ac97)
{
@@ -341,12 +340,21 @@ static int __init pcm043_otg_mode(char *options)
__setup("otg_mode=", pcm043_otg_mode);
static struct esdhc_platform_data sd1_pdata = {
- .wp_gpio = SD1_GPIO_WP,
- .cd_gpio = SD1_GPIO_CD,
.wp_type = ESDHC_WP_GPIO,
.cd_type = ESDHC_CD_GPIO,
};
+static struct gpiod_lookup_table sd1_gpio_table = {
+ .dev_id = "sdhci-esdhc-imx35.0",
+ .table = {
+ /* Card detect: bank 2 offset 24 */
+ GPIO_LOOKUP("imx35-gpio.2", 24, "cd", GPIO_ACTIVE_LOW),
+ /* Write protect: bank 2 offset 23 */
+ GPIO_LOOKUP("imx35-gpio.2", 23, "wp", GPIO_ACTIVE_LOW),
+ { },
+ },
+};
+
/*
* Board specific initialization.
*/
@@ -391,6 +399,7 @@ static void __init pcm043_late_init(void)
{
imx35_add_imx_ssi(0, &pcm043_ssi_pdata);
+ gpiod_add_lookup_table(&sd1_gpio_table);
imx35_add_sdhci_esdhc_imx(0, &sd1_pdata);
}