Dear Benoit Masson,
On Sat, 26 Jul 2014 16:48:10 -0700, Benoit Masson wrote:
> + gpio-keys {
> + compatible = "gpio-keys";
> + pinctrl-0 = <&power_button_pin &reset_button_pin
> + &select_button_pin &scroll_button_pin>;
> + pinctrl-names = "default";
> +
> + power-button {
> + label = "Power Button";
> + linux,code = <KEY_POWER>;
> + gpios = <&gpio1 12 GPIO_ACTIVE_HIGH>;
> + };
> +
> + reset-button {
> + label = "Reset Button";
> + linux,code = <KEY_RESTART>;
> + gpios = <&gpio1 13 GPIO_ACTIVE_LOW>;
> + };
> +
> + select-button {
> + label = "Select Button";
> + linux,code = <BTN_SELECT>;
> + gpios = <&gpio1 9 GPIO_ACTIVE_LOW>;
> + };
> +
> + scroll-button {
> + label = "Scroll Button";
> + linux,code = <KEY_SCROLLDOWN>;
> + gpios = <&gpio1 10 GPIO_ACTIVE_LOW>;
So you're using the GPIO_ACTIVE_<foo> defines here.
> + };
> + };
> +
> + spi3 {
> + compatible = "spi-gpio";
> + status = "okay";
> + gpio-sck = <&gpio0 25 0>;
> + gpio-mosi = <&gpio1 15 0>; /*gpio 47*/
> + cs-gpios = <&gpio0 27 0 >;
But not here. Any reason?
Also, nitpick: unneeded space in <&gpio0 27 0 > (i.e the space right
before the closing >).
> + num-chipselects = <1>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + gpio2: gpio2@0 {
> + compatible = "fairchild,74hc595";
> + gpio-controller;
> + #gpio-cells = <2>;
> + reg = <0>;
> + registers-number = <2>;
> + spi-max-frequency = <100000>;
> + };
I'm not sure "gpio2" is a good name, as we might think of it as being
the third GPIO controller internal to the SoC.
Thanks,
Thomas
--
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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