linux-kernel - Re: [PATCH v2 03/14] arm64: dts: sc7280: Add basic dts/dtsi files for sc7280 soc

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Message-ID: <161481644369.1478170.2626772524314654990@swboyd.mtv.corp.google.com>
Date:   Wed, 03 Mar 2021 16:07:23 -0800
From:   Stephen Boyd <swboyd@...omium.org>
To:     Rajendra Nayak <rnayak@...eaurora.org>, agross@...nel.org,
        bjorn.andersson@...aro.org, robh+dt@...nel.org
Cc:     linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Rajendra Nayak <rnayak@...eaurora.org>
Subject: Re: [PATCH v2 03/14] arm64: dts: sc7280: Add basic dts/dtsi files for sc7280 soc

Quoting Rajendra Nayak (2021-03-03 04:17:47)
> diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> new file mode 100644
> index 0000000..4a56d9c
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> @@ -0,0 +1,299 @@
> +// SPDX-License-Identifier: BSD-3-Clause
> +/*
> + * sc7280 SoC device tree source
> + *
> + * Copyright (c) 2020-2021, The Linux Foundation. All rights reserved.
> + */
> +
> +#include <dt-bindings/clock/qcom,gcc-sc7280.h>
> +#include <dt-bindings/interrupt-controller/arm-gic.h>
> +
> +/ {
> +       interrupt-parent = <&intc>;
> +
> +       #address-cells = <2>;
> +       #size-cells = <2>;
> +
> +       chosen { };
> +
> +       clocks {
> +               xo_board: xo-board {
> +                       compatible = "fixed-clock";
> +                       clock-frequency = <76800000>;

If this is the correct frequency I think we need to update the rpmh clk
driver to use the correct divider? Right now I think it is a 2 when it
should be 4?

> +                       #clock-cells = <0>;
> +               };
> +
> +               sleep_clk: sleep-clk {
> +                       compatible = "fixed-clock";
> +                       clock-frequency = <32000>;
> +                       #clock-cells = <0>;
> +               };
> +       };