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authorArnd Bergmann <arnd@arndb.de>2019-09-11 23:20:45 +0200
committerArnd Bergmann <arnd@arndb.de>2022-05-07 22:55:48 +0200
commitf0b66b606ad0409c55539aa8326dd6b386b6594a (patch)
tree0af704c6ce277c69e8ec751e273a829f2950bb98 /arch/arm/mach-pxa/zylonite.c
parent0ca7231fe3a98c61f3a87c4cb99082cbfa5210f0 (diff)
ARM: pxa: zylonite: use gpio lookup instead mfp header
The mach/mfp.h header is only used by this one driver for hardcoded gpio numbers. Change that to use a lookup table instead. Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com> Cc: linux-input@vger.kernel.org Acked-by: Robert Jarzmik <robert.jarzmik@free.fr> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/arm/mach-pxa/zylonite.c')
-rw-r--r--arch/arm/mach-pxa/zylonite.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/zylonite.c b/arch/arm/mach-pxa/zylonite.c
index c48dd6d03df9..ba6dc86da855 100644
--- a/arch/arm/mach-pxa/zylonite.c
+++ b/arch/arm/mach-pxa/zylonite.c
@@ -32,6 +32,7 @@
#include <linux/platform_data/usb-ohci-pxa27x.h>
#include <linux/platform_data/keypad-pxa27x.h>
#include <linux/platform_data/mtd-nand-pxa3xx.h>
+#include <mach/mfp.h>
#include "devices.h"
#include "generic.h"
@@ -425,6 +426,35 @@ static void __init zylonite_init_ohci(void)
static inline void zylonite_init_ohci(void) {}
#endif /* CONFIG_USB_OHCI_HCD || CONFIG_USB_OHCI_HCD_MODULE */
+static struct gpiod_lookup_table zylonite_wm97xx_touch_gpio15_table = {
+ .dev_id = "wm97xx-touch.0",
+ .table = {
+ GPIO_LOOKUP("gpio-pxa", mfp_to_gpio(MFP_PIN_GPIO15),
+ "touch", GPIO_ACTIVE_LOW),
+ { },
+ },
+};
+
+static struct gpiod_lookup_table zylonite_wm97xx_touch_gpio26_table = {
+ .dev_id = "wm97xx-touch.0",
+ .table = {
+ GPIO_LOOKUP("gpio-pxa", mfp_to_gpio(MFP_PIN_GPIO26),
+ "touch", GPIO_ACTIVE_LOW),
+ { },
+ },
+};
+
+static void __init zylonite_init_wm97xx_touch(void)
+{
+ if (!IS_ENABLED(CONFIG_TOUCHSCREEN_WM97XX_ZYLONITE))
+ return;
+
+ if (cpu_is_pxa320())
+ gpiod_add_lookup_table(&zylonite_wm97xx_touch_gpio15_table);
+ else
+ gpiod_add_lookup_table(&zylonite_wm97xx_touch_gpio26_table);
+}
+
static void __init zylonite_init(void)
{
pxa_set_ffuart_info(NULL);
@@ -450,6 +480,7 @@ static void __init zylonite_init(void)
zylonite_init_nand();
zylonite_init_leds();
zylonite_init_ohci();
+ zylonite_init_wm97xx_touch();
}
MACHINE_START(ZYLONITE, "PXA3xx Platform Development Kit (aka Zylonite)")