Re: [PATCH 1/4] ARM: dts: keystone-k2g: Add PMMC node to support TI-SCI protocol

From: Andrew F. Davis
Date: Tue Jul 18 2017 - 11:01:11 EST


On 07/17/2017 10:28 PM, Suman Anna wrote:
> From: Nishanth Menon <nm@xxxxxx>
>
> Texas Instrument's System Control Interface (TI-SCI) Message Protocol
> is implemented in Keystone 2 generation 66AK2G SoC with the PMMC entity.
>
> Add the ti-sci node representing this 66AK2G PMMC module.
>
> Signed-off-by: Nishanth Menon <nm@xxxxxx>
> [s-anna@xxxxxx: add unit address to DT node]
> Signed-off-by: Suman Anna <s-anna@xxxxxx>
> ---
> arch/arm/boot/dts/keystone-k2g.dtsi | 14 ++++++++++++++
> 1 file changed, 14 insertions(+)
>
> diff --git a/arch/arm/boot/dts/keystone-k2g.dtsi b/arch/arm/boot/dts/keystone-k2g.dtsi
> index a789f75a1ed5..7f0f4180b373 100644
> --- a/arch/arm/boot/dts/keystone-k2g.dtsi
> +++ b/arch/arm/boot/dts/keystone-k2g.dtsi
> @@ -139,5 +139,19 @@
> interrupts = <GIC_SPI 324 IRQ_TYPE_LEVEL_HIGH>,
> <GIC_SPI 327 IRQ_TYPE_LEVEL_HIGH>;
> };
> +
> + pmmc: pmmc@02921c00 {
> + compatible = "ti,k2g-sci";
> + /*
> + * In case of rare platforms that does not use k2g as
> + * system master, use /delete-property/
> + */

This comment seems mis-worded, I believe this was meant to say "for
platforms that do not use the *PMMC* as the system master".

Andrew

> + ti,system-reboot-controller;
> + mbox-names = "rx", "tx";
> + mboxes= <&msgmgr 5 2>,
> + <&msgmgr 0 0>;
> + reg-names = "debug_messages";
> + reg = <0x02921c00 0x400>;
> + };
> };
> };
>