@@ -53,6 +53,31 @@
};
};
+ gpio-switch {
+ compatible = "gpio-switch";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&wp_gpio &dev_mode &rec_mode>;
+
+ write-protect {
+ label = "write-protect";
+ gpios = <&gpx3 0 GPIO_ACTIVE_LOW>;
+ read-only;
+ };
+
+ developer-switch {
+ label = "developer-switch";
+ gpios = <&gpx1 3 GPIO_ACTIVE_HIGH>;
+ read-only;
+ };
+
+ recovery-switch {
+ label = "recovery-switch";
+ gpios = <&gpx0 7 GPIO_ACTIVE_LOW>;
+ read-only;
+ };
+ };
+
gpio-keys {
compatible = "gpio-keys";
@@ -731,6 +756,13 @@
samsung,pin-val = <0>;
};
+ rec_mode: rec-mode {
+ samsung,pins = "gpx0-7";
+ samsung,pin-function = <0>;
+ samsung,pin-pud = <0>;
+ samsung,pin-drv = <0>;
+ };
+
tpm_irq: tpm-irq {
samsung,pins = "gpx1-0";
samsung,pin-function = <0>;
@@ -752,6 +784,13 @@
samsung,pin-drv = <0>;
};
+ dev_mode: dev-mode {
+ samsung,pins = "gpx1-3";
+ samsung,pin-function = <0>;
+ samsung,pin-pud = <3>;
+ samsung,pin-drv = <0>;
+ };
+
ec_irq: ec-irq {
samsung,pins = "gpx1-5";
samsung,pin-function = <0>;
@@ -773,6 +812,13 @@
samsung,pin-drv = <0>;
};
+ wp_gpio: wp_gpio {
+ samsung,pins = "gpx3-0";
+ samsung,pin-function = <0>;
+ samsung,pin-pud = <0>;
+ samsung,pin-drv = <0>;
+ };
+
max77802_irq: max77802-irq {
samsung,pins = "gpx3-1";
samsung,pin-function = <0>;
The peach pi has a GPIO connected to the firmware write protect, developer mode and recovery mode lines (which are primarily controlled via external switches on developer test board). This patch adds the required nodes to the device tree to configure the pinmuxing and allow these to be read from user space. Signed-off-by: Martyn Welch <martyn.welch@collabora.co.uk> --- arch/arm/boot/dts/exynos5800-peach-pi.dts | 46 +++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+)