linux-kernel - Re: [PATCH 03/24] arm64: dts: qcom: Introduce Glymur base dtsi and CRD dts

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Message-ID: <p4ajadn2xytkt6hycm4te3sgxg3mern4uq7ce6bfpzgquer5ys@tcvcyuuk6lr2>
Date: Thu, 25 Sep 2025 20:44:55 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Pankaj Patil <pankaj.patil@....qualcomm.com>
Cc: Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 03/24] arm64: dts: qcom: Introduce Glymur base dtsi and
 CRD dts

On Thu, Sep 25, 2025 at 12:02:11PM +0530, Pankaj Patil wrote:
> Introduce initial device tree support for Glymur - Qualcomm's
> next-generation compute SoC and it's associated Compute Reference
> Device (CRD) platform.
> 
> The dt describes CPUs, CPU map, GCC and RPMHCC clock controllers,
> geni UART, interrupt controller, TLMM, reserved memory,
> interconnects, SMMU, firmware scm, watchdog, apps rsc, RPMHPD,
> SRAM, PSCI and pmu nodes.
> 
> Signed-off-by: Pankaj Patil <pankaj.patil@....qualcomm.com>
> ---
>  arch/arm64/boot/dts/qcom/Makefile       |    1 +
>  arch/arm64/boot/dts/qcom/glymur-crd.dts |   25 +
>  arch/arm64/boot/dts/qcom/glymur.dtsi    | 1320 +++++++++++++++++++++++++++++++

I think it's usually two separate patches

>  3 files changed, 1346 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
> index 296688f7cb26550f75bce65826f234bc24110356..15f31a7d3ac4a60224c43cfa52e9cc17dc28c49f 100644
> --- a/arch/arm64/boot/dts/qcom/Makefile
> +++ b/arch/arm64/boot/dts/qcom/Makefile
> @@ -13,6 +13,7 @@ dtb-$(CONFIG_ARCH_QCOM)	+= apq8039-t2.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= apq8094-sony-xperia-kitakami-karin_windy.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= apq8096-db820c.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= apq8096-ifc6640.dtb
> +dtb-$(CONFIG_ARCH_QCOM)	+= glymur-crd.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= hamoa-iot-evk.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= ipq5018-rdp432-c2.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= ipq5018-tplink-archer-ax55-v1.dtb
> diff --git a/arch/arm64/boot/dts/qcom/glymur-crd.dts b/arch/arm64/boot/dts/qcom/glymur-crd.dts
> new file mode 100644
> index 0000000000000000000000000000000000000000..a1714ec8492961b211ec761f16b39245007533b8
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/glymur-crd.dts
> @@ -0,0 +1,25 @@
> +// SPDX-License-Identifier: GPL-2.0-only
> +/*
> + * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
> + */
> +
> +/dts-v1/;
> +
> +#include "glymur.dtsi"
> +
> +/ {
> +	model = "Qualcomm Technologies, Inc. Glymur CRD";
> +	compatible = "qcom,glymur-crd", "qcom,glymur";
> +
> +	aliases {
> +		serial0 = &uart21;
> +	};
> +
> +	chosen {
> +		stdout-path = "serial0:115200n8";
> +	};
> +};
> +
> +&tlmm {
> +	gpio-reserved-ranges = <4 4>, <10 2>, <44 4>; /*Security SPI (TPM)*/
> +};
> diff --git a/arch/arm64/boot/dts/qcom/glymur.dtsi b/arch/arm64/boot/dts/qcom/glymur.dtsi
> new file mode 100644
> index 0000000000000000000000000000000000000000..f1c5a0cb483670e9f8044e250950693b4a015479
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/glymur.dtsi
> @@ -0,0 +1,1320 @@
> +// SPDX-License-Identifier: GPL-2.0-only
> +/*
> + * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
> + */
> +
> +#include <dt-bindings/clock/qcom,glymur-gcc.h>
> +#include <dt-bindings/clock/qcom,glymur-tcsr.h>
> +#include <dt-bindings/clock/qcom,rpmh.h>
> +#include <dt-bindings/dma/qcom-gpi.h>
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/interconnect/qcom,icc.h>
> +#include <dt-bindings/interconnect/qcom,glymur-rpmh.h>
> +#include <dt-bindings/interrupt-controller/arm-gic.h>
> +#include <dt-bindings/phy/phy-qcom-qmp.h>
> +#include <dt-bindings/power/qcom-rpmpd.h>
> +#include <dt-bindings/soc/qcom,rpmh-rsc.h>
> +#include <dt-bindings/spmi/spmi.h>
> +
> +/ {
> +	interrupt-parent = <&intc>;
> +	#address-cells = <2>;
> +	#size-cells = <2>;
> +
> +	chosen { };
> +
> +	clocks {
> +		xo_board: xo-board {
> +			compatible = "fixed-clock";
> +			clock-frequency = <38400000>;
> +			#clock-cells = <0>;
> +		};
> +
> +		sleep_clk: sleep-clk {
> +			compatible = "fixed-clock";
> +			clock-frequency = <32000>;

Can we please adapt a single style here? I think, at least frequency
should go to the board file.

> +			#clock-cells = <0>;
> +		};
> +	};
> +

-- 
With best wishes
Dmitry