Re: [PATCH 4/4] arm64: dts: msm8996: Add SMP2P and APCS nodes

From: Bjorn Andersson
Date: Thu Oct 20 2016 - 16:04:50 EST


On Thu 20 Oct 11:56 PDT 2016, Sarangdhar Joshi wrote:

> Add SMP2P and APCS DT nodes required for Qualcomm ADSP
> Peripheral Image Loader.
>

Nice, two (very) small nits below. But other than that

Acked-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>

Regards,
Bjorn

> Signed-off-by: Sarangdhar Joshi <spjoshi@xxxxxxxxxxxxxx>
> ---
> arch/arm64/boot/dts/qcom/msm8996.dtsi | 30 ++++++++++++++++++++++++++++++
> 1 file changed, 30 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/msm8996.dtsi b/arch/arm64/boot/dts/qcom/msm8996.dtsi
> index 0a810f5..3edb56b 100644
> --- a/arch/arm64/boot/dts/qcom/msm8996.dtsi
> +++ b/arch/arm64/boot/dts/qcom/msm8996.dtsi
> @@ -169,6 +169,31 @@
> method = "smc";
> };
>
> + smp2p-adsp {

Sorry for bikeshedding, but on msm8916 I named these {subsystem}-smp2p,
so I would prefer this was naemd adsp-smp2p...

> + compatible = "qcom,smp2p";
> + qcom,smem = <443>, <429>;
> +
> + interrupt-parent = <&intc>;

I believe this node inherit intc as interrupt-parent from the root
already, is there are reason why you need to specify it.

> + interrupts = <0 158 IRQ_TYPE_EDGE_RISING>;
> +
> + qcom,ipc = <&apcs 16 10>;
> +
> + qcom,local-pid = <0>;
> + qcom,remote-pid = <2>;
> +
> + adsp_smp2p_out: master-kernel {
> + qcom,entry-name = "master-kernel";
> + #qcom,state-cells = <1>;
> + };
> +
> + adsp_smp2p_in: slave-kernel {
> + qcom,entry-name = "slave-kernel";
> +
> + interrupt-controller;
> + #interrupt-cells = <2>;
> + };
> + };
> +
> smem {
> compatible = "qcom,smem";
>
> @@ -205,6 +230,11 @@
> interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
> };
>
> + apcs: syscon@9820000 {
> + compatible = "syscon";
> + reg = <0x9820000 0x1000>;
> + };
> +
> gcc: clock-controller@300000 {
> compatible = "qcom,gcc-msm8996";
> #clock-cells = <1>;
> --
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