summaryrefslogtreecommitdiff
path: root/arch/arm/mach-pxa/zylonite.c
diff options
context:
space:
mode:
authorLinus Walleij <linus.walleij@linaro.org>2018-12-02 11:43:22 +0300
committerUlf Hansson <ulf.hansson@linaro.org>2018-12-17 10:26:24 +0300
commit32d1544880aa87aebe4d20babb48615c65874b02 (patch)
tree355d12b2d3b8b6b4b001745d4fd8369645c9852a /arch/arm/mach-pxa/zylonite.c
parent5128f8d4450159f59565d247437d3bedda3994cb (diff)
downloadlinux-32d1544880aa87aebe4d20babb48615c65874b02.tar.xz
ARM: pxa: Add gpio descriptor lookup tables for MMC CD/WP
This adds GPIO descriptor look-up tables for a whole bunch of PXA boards with MMC card detect (CD) and write protect (WP) GPIO lines, so we can move away from the hard-coded GPIO numberspace. In some cases the platforms were compulsively including the <linux/gpio.h> header even if they weren't actually using it, and in these cases I simply replaced that inclusion with the more appropriate <linux/gpio/machine.h> which is what board files should be including most of the time. Cc: Daniel Mack <daniel@zonque.org> Cc: Robert Jarzmik <robert.jarzmik@free.fr> Cc: Bartosz Golaszewski <brgl@bgdev.pl> Cc: Andrea Adami <andrea.adami@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'arch/arm/mach-pxa/zylonite.c')
-rw-r--r--arch/arm/mach-pxa/zylonite.c48
1 files changed, 46 insertions, 2 deletions
diff --git a/arch/arm/mach-pxa/zylonite.c b/arch/arm/mach-pxa/zylonite.c
index 52e70a5c1281..70cbfe1da32a 100644
--- a/arch/arm/mach-pxa/zylonite.c
+++ b/arch/arm/mach-pxa/zylonite.c
@@ -19,7 +19,7 @@
#include <linux/leds.h>
#include <linux/init.h>
#include <linux/platform_device.h>
-#include <linux/gpio.h>
+#include <linux/gpio/machine.h>
#include <linux/pwm.h>
#include <linux/pwm_backlight.h>
#include <linux/smc91x.h>
@@ -232,6 +232,24 @@ static struct pxamci_platform_data zylonite_mci_platform_data = {
.gpio_power = -1,
};
+#define PCA9539A_MCI_CD 0
+#define PCA9539A_MCI1_CD 1
+#define PCA9539A_MCI_WP 2
+#define PCA9539A_MCI1_WP 3
+#define PCA9539A_MCI3_CD 30
+#define PCA9539A_MCI3_WP 31
+
+static struct gpiod_lookup_table zylonite_mci_gpio_table = {
+ .dev_id = "pxa2xx-mci.0",
+ .table = {
+ GPIO_LOOKUP("i2c-pca9539-a", PCA9539A_MCI_CD,
+ "cd", GPIO_ACTIVE_LOW),
+ GPIO_LOOKUP("i2c-pca9539-a", PCA9539A_MCI_WP,
+ "wp", GPIO_ACTIVE_LOW),
+ { },
+ },
+};
+
static struct pxamci_platform_data zylonite_mci2_platform_data = {
.detect_delay_ms= 200,
.ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
@@ -240,6 +258,17 @@ static struct pxamci_platform_data zylonite_mci2_platform_data = {
.gpio_power = -1,
};
+static struct gpiod_lookup_table zylonite_mci2_gpio_table = {
+ .dev_id = "pxa2xx-mci.1",
+ .table = {
+ GPIO_LOOKUP("i2c-pca9539-a", PCA9539A_MCI1_CD,
+ "cd", GPIO_ACTIVE_LOW),
+ GPIO_LOOKUP("i2c-pca9539-a", PCA9539A_MCI1_WP,
+ "wp", GPIO_ACTIVE_LOW),
+ { },
+ },
+};
+
static struct pxamci_platform_data zylonite_mci3_platform_data = {
.detect_delay_ms= 200,
.ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
@@ -248,12 +277,27 @@ static struct pxamci_platform_data zylonite_mci3_platform_data = {
.gpio_power = -1,
};
+static struct gpiod_lookup_table zylonite_mci3_gpio_table = {
+ .dev_id = "pxa2xx-mci.2",
+ .table = {
+ GPIO_LOOKUP("i2c-pca9539-a", PCA9539A_MCI3_CD,
+ "cd", GPIO_ACTIVE_LOW),
+ GPIO_LOOKUP("i2c-pca9539-a", PCA9539A_MCI3_WP,
+ "wp", GPIO_ACTIVE_LOW),
+ { },
+ },
+};
+
static void __init zylonite_init_mmc(void)
{
+ gpiod_add_lookup_table(&zylonite_mci_gpio_table);
pxa_set_mci_info(&zylonite_mci_platform_data);
+ gpiod_add_lookup_table(&zylonite_mci2_gpio_table);
pxa3xx_set_mci2_info(&zylonite_mci2_platform_data);
- if (cpu_is_pxa310())
+ if (cpu_is_pxa310()) {
+ gpiod_add_lookup_table(&zylonite_mci3_gpio_table);
pxa3xx_set_mci3_info(&zylonite_mci3_platform_data);
+ }
}
#else
static inline void zylonite_init_mmc(void) {}