On Thu, Sep 25, 2014 at 06:37:08PM +0200, Stefan Agner wrote:
> 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 <ste...@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
> pinctrl_esdhc1: esdhc1grp {
> fsl,pins = <
> VF610_PAD_PTA24__ESDHC1_CLK 0x31ef
> diff --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
>
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