On Wed, Jun 14, 2017 at 9:38 AM, Ulrich Hecht
<ulrich.hecht+renesas@xxxxxxxxx> wrote:
> Adds serial port SCIF1 and the MAX9260 deserializers connected to it.
>
> Signed-off-by: Ulrich Hecht <ulrich.hecht+renesas@xxxxxxxxx>
> ---
> arch/arm/boot/dts/r8a7792-blanche.dts | 45 +++++++++++++++++++++++++++++++++++
> 1 file changed, 45 insertions(+)
>
> diff --git a/arch/arm/boot/dts/r8a7792-blanche.dts b/arch/arm/boot/dts/r8a7792-blanche.dts
> index 9b67dca..281484d 100644
> --- a/arch/arm/boot/dts/r8a7792-blanche.dts
> +++ b/arch/arm/boot/dts/r8a7792-blanche.dts
> @@ -21,6 +21,7 @@
> aliases {
> serial0 = &scif0;
> serial1 = &scif3;
> + serial2 = &scif1;
> };
>
> chosen {
> @@ -202,6 +203,11 @@
> function = "scif0";
> };
>
> + scif1_pins: scif1 {
> + groups = "scif1_data";
> + function = "scif1";
> + };
> +
> scif3_pins: scif3 {
> groups = "scif3_data";
> function = "scif3";
> @@ -246,6 +252,45 @@
> status = "okay";
> };
>
> +&scif1 {
> + pinctrl-0 = <&scif1_pins>;
> + pinctrl-names = "default";
> +
> + status = "okay";
> +
> + mux-select-gpios = <&gpio5 12 GPIO_ACTIVE_LOW>,
> + <&gpio5 13 GPIO_ACTIVE_LOW>,
> + <&gpio5 14 GPIO_ACTIVE_LOW>,
> + <&gpio5 15 GPIO_ACTIVE_LOW>;
> +
> + #address-cells = <1>;
> + #size-cells = <0>;
> + gmsl-deserializer@0 {
> + compatible = "maxim,max9260";
> + reg = <0x8>;
You need to document how muxed serdev devices are represented in
general. As Peter mentioned, you should use the mux-ctrl binding.
Maybe this should have a mux node here too. That helps if we ever have
other child nodes on the UART.
The unit address and reg property values should match.
> + };
> + gmsl-deserializer@1 {
> + compatible = "maxim,max9260";
> + reg = <0x9>;
> + };
> + gmsl-deserializer@2 {
> + compatible = "maxim,max9260";
> + reg = <0xa>;
> + };
> + gmsl-deserializer@3 {
> + compatible = "maxim,max9260";
> + reg = <0xb>;
> + };
> + gmsl-deserializer@4 {
> + compatible = "maxim,max9260";
> + reg = <0x4>;
> + };
> + gmsl-deserializer@5 {
> + compatible = "maxim,max9260";
> + reg = <0x5>;
> + };
> +};
> +
> &scif3 {
> pinctrl-0 = <&scif3_pins>;
> pinctrl-names = "default";
> --
> 2.7.4
>
