[PATCH 6/6] [RFC] arm: shmobile: genmai reference: Add RSPI nodes
Sergei Shtylyov
sergei.shtylyov at cogentembedded.com
Tue Dec 24 10:45:03 EST 2013
Hello.
On 24-12-2013 15:56, Geert Uytterhoeven wrote:
> Add pinctrl and SPI devices for RSPI on Genmai.
> On this board, only rspi4 is in use. It's bus contains a single device
> (a wm8978 audio codec), for which no bindings are defined yet.
> Signed-off-by: Geert Uytterhoeven <geert+renesas at linux-m68k.org>
> Cc: devicetree at vger.kernel.org
> ---
> arch/arm/boot/dts/r7s72100-genmai-reference.dts | 18 +++++++++++++++++-
> 1 file changed, 17 insertions(+), 1 deletion(-)
> diff --git a/arch/arm/boot/dts/r7s72100-genmai-reference.dts b/arch/arm/boot/dts/r7s72100-genmai-reference.dts
> index 114510f8bf09..6d99630627e4 100644
> --- a/arch/arm/boot/dts/r7s72100-genmai-reference.dts
> +++ b/arch/arm/boot/dts/r7s72100-genmai-reference.dts
[...]
> @@ -85,3 +91,13 @@
> pagesize = <64>;
> };
> };
> +
> +&spi4 {
> + status = "okay";
> +
> + codec: wm8978 at 0 {
Do not give chip names to device nodes, please use somewhat generic names
instead, like "sound-codec at 0". That's to comply with ePAPR spec.
> + compatible = "wlf,wm8978";
> + reg = <0>;
> + spi-max-frequency = <5000000>;
> + };
> +};
WBR, Sergei
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