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

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Message-ID: <58061b1a-c383-980b-487b-89e4553bcc83@codeaurora.org>
Date:   Thu, 11 Mar 2021 14:48:12 +0530
From:   Rajendra Nayak <rnayak@...eaurora.org>
To:     Stephen Boyd <swboyd@...omium.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
Subject: Re: [PATCH v2 03/14] arm64: dts: sc7280: Add basic dts/dtsi files for
 sc7280 soc



On 3/4/2021 5:37 AM, Stephen Boyd wrote:
> 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?

Looks like this is fixed now [1]

[1] https://lore.kernel.org/patchwork/patch/1393159/

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

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