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

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Message-ID: <cdc7fa94-4cfa-4664-92a9-d89654f53d11@oss.qualcomm.com>
Date: Wed, 8 Oct 2025 17:06:16 +0530
From: Pankaj Patil <pankaj.patil@....qualcomm.com>
To: Dmitry Baryshkov <dmitry.baryshkov@....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 9/25/2025 11:14 PM, Dmitry Baryshkov wrote:
> 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

Yes, for the next revision planning on separating patches
in a manner where this commit will have bare-bone board
dts so compilation doesn't break and singular commit
to the board dts which enables required functionality.

>>  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.

Sure, will do.

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