Re: [PATCH v3 2/3] arm: dts: add Nuvoton NPCM750 device tree

From: Joel Stanley
Date: Wed Sep 06 2017 - 01:25:29 EST


On Wed, Sep 6, 2017 at 10:00 AM, Brendan Higgins
<brendanhiggins@xxxxxxxxxx> wrote:
> +++ b/Documentation/devicetree/bindings/arm/npcm/npcm.txt
> @@ -0,0 +1,6 @@
> +NPCM Platforms Device Tree Bindings
> +-----------------------------------
> +NPCM750 SoC
> +Required root node properties:
> + - compatible = "nuvoton,npcm750";
> +

This is minimal. I assume there will be more content added as more
support is added?

Does it need it's own directory?


> diff --git a/arch/arm/boot/dts/nuvoton-npcm750-evb.dts b/arch/arm/boot/dts/nuvoton-npcm750-evb.dts
> new file mode 100644
> index 000000000000..54df32cff21b
> --- /dev/null
> +++ b/arch/arm/boot/dts/nuvoton-npcm750-evb.dts

> +
> +/dts-v1/;
> +#include "nuvoton-npcm750.dtsi"
> +
> +/ {
> + model = "Nuvoton npcm750 Development Board (Device Tree)";
> + compatible = "nuvoton,npcm750";
> +
> + chosen {
> + stdout-path = &serial3;
> + bootargs = "earlyprintk=serial,serial3,115200";
> + };
> +
> + memory {
> + reg = <0 0x40000000>;
> + };
> +
> + cpus {
> + enable-method = "nuvoton,npcm7xx-smp";
> + };
> +
> + clk: clock-controller@f0801000 {
> + status = "okay";
> + };
> +
> + apb {
> + watchdog1: watchdog@f0009000 {
> + status = "okay";
> + };

You've already got the label for the node, is there are reason you
don't use a phandle to set the status?

&watchdog1 {
status = "okay";
};

Same with the serial nodes below.

> +
> + serial0: serial0@f0001000 {
> + status = "okay";
> + };
> +
> + serial1: serial1@f0002000 {
> + status = "okay";
> + };
> +
> + serial2: serial2@f0003000 {
> + status = "okay";
> + };
> +
> + serial3: serial3@f0004000 {
> + status = "okay";
> + };
> + };