[PATCH v3 4/5] ARM: dts: vf610: use new GPIO support
From: Shawn Guo <hidden>
Date: 2014-09-26 01:21:54
Also in:
linux-gpio, lkml
On Thu, Sep 25, 2014 at 06:37:08PM +0200, Stefan Agner wrote:
quoted hunk ↗ jump to hunk
Use GPIO support by adding SD card detection configuration and GPIO pinmux for Colibri's standard GPIO pins. Attach the GPIO pins to the iomuxc node to get the GPIO pin settings applied. Signed-off-by: Stefan Agner <stefan@agner.ch> --- arch/arm/boot/dts/vf610-colibri.dtsi | 9 +++++++++ arch/arm/boot/dts/vf610-twr.dts | 1 + arch/arm/boot/dts/vf610.dtsi | 1 + 3 files changed, 11 insertions(+)diff --git a/arch/arm/boot/dts/vf610-colibri.dtsi b/arch/arm/boot/dts/vf610-colibri.dtsi index 0cd8343..efd4322 100644 --- a/arch/arm/boot/dts/vf610-colibri.dtsi +++ b/arch/arm/boot/dts/vf610-colibri.dtsi@@ -31,6 +31,7 @@ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_esdhc1>; bus-width = <4>; + cd-gpios = <&gpio2 10 GPIO_ACTIVE_LOW>; }; &fec1 {@@ -71,6 +72,14 @@ &iomuxc { vf610-colibri { + pinctrl_gpio_ext: gpio_ext { + fsl,pins = < + VF610_PAD_PTD10__GPIO_89 0x22ed /* EXT_IO_0 */ + VF610_PAD_PTD9__GPIO_88 0x22ed /* EXT_IO_1 */ + VF610_PAD_PTD26__GPIO_68 0x22ed /* EXT_IO_2 */ + >; + }; +
I'm not sure these GPIOs will be set up at anywhere. To set them up, you need to either have pinctrl_gpio_ext referenced by some client device in its pinctrl-* property or put these pins into hog group (see example in arch/arm/boot/dts/vf610-twr.dts). Shawn
quoted hunk ↗ jump to hunk
pinctrl_esdhc1: esdhc1grp { fsl,pins = < VF610_PAD_PTA24__ESDHC1_CLK 0x31efdiff --git a/arch/arm/boot/dts/vf610-twr.dts b/arch/arm/boot/dts/vf610-twr.dts index 189b697..3fe8a8f 100644 --- a/arch/arm/boot/dts/vf610-twr.dts +++ b/arch/arm/boot/dts/vf610-twr.dts@@ -116,6 +116,7 @@ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_esdhc1>; bus-width = <4>; + cd-gpios = <&gpio5 6 GPIO_ACTIVE_LOW>; status = "okay"; };diff --git a/arch/arm/boot/dts/vf610.dtsi b/arch/arm/boot/dts/vf610.dtsi index 4d2ec32..467c97e 100644 --- a/arch/arm/boot/dts/vf610.dtsi +++ b/arch/arm/boot/dts/vf610.dtsi@@ -11,6 +11,7 @@ #include "vf610-pinfunc.h" #include <dt-bindings/clock/vf610-clock.h> #include <dt-bindings/interrupt-controller/irq.h> +#include <dt-bindings/gpio/gpio.h> / { aliases {-- 2.1.0