Re: [PATCH 01/19] arm64: dts: qcom: Add base QDU1000/QRU1000 DTSIs

From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
To: Melody Olvera <quic_molvera@quicinc.com>,
	Andy Gross <agross@kernel.org>,
	Bjorn Andersson <bjorn.andersson@linaro.org>,
	Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>
Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 01/19] arm64: dts: qcom: Add base QDU1000/QRU1000 DTSIs
Date: Sat, 1 Oct 2022 11:12:00 +0200	[thread overview]
Message-ID: <a40d7e71-f7c7-0410-7a92-0718f45de2d2@linaro.org> (raw)
In-Reply-To: <20221001030656.29365-2-quic_molvera@quicinc.com>

On 01/10/2022 05:06, Melody Olvera wrote:
> Add the base DTSI files for QDU1000 and QRU1000 SoCs, including base
> descriptions of CPUs, GCC, RPMHCC, UART, and interrupt-controller to
> boot to shell with console on these SoCs.
> 
> Signed-off-by: Melody Olvera <quic_molvera@quicinc.com>
> ---
>  arch/arm64/boot/dts/qcom/qdru1000.dtsi | 370 +++++++++++++++++++++++++
>  arch/arm64/boot/dts/qcom/qdu1000.dtsi  |  10 +
>  arch/arm64/boot/dts/qcom/qru1000.dtsi  |  10 +
>  3 files changed, 390 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/qcom/qdru1000.dtsi
>  create mode 100644 arch/arm64/boot/dts/qcom/qdu1000.dtsi
>  create mode 100644 arch/arm64/boot/dts/qcom/qru1000.dtsi
> 
> diff --git a/arch/arm64/boot/dts/qcom/qdru1000.dtsi b/arch/arm64/boot/dts/qcom/qdru1000.dtsi
> new file mode 100644
> index 000000000000..3610f94bef35
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/qdru1000.dtsi
> @@ -0,0 +1,370 @@
> +// SPDX-License-Identifier: BSD-3-Clause-Clear
> +/*
> + * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
> + */
> +
> +#include <dt-bindings/interrupt-controller/arm-gic.h>
> +#include <dt-bindings/clock/qcom,gcc-qdru1000.h>
> +#include <dt-bindings/clock/qcom,rpmh.h>
> +#include <dt-bindings/soc/qcom,rpmh-rsc.h>
> +
> +/ {
> +	interrupt-parent = <&intc>;
> +
> +	#address-cells = <2>;
> +	#size-cells = <2>;
> +
> +	chosen: chosen { };
> +
> +

No need for double blank line.

> +	clocks {
> +		xo_board: xo_board {
> +			compatible = "fixed-clock";
> +			clock-frequency = <19200000>;
> +			clock-output-names = "xo_board";
> +			#clock-cells = <0>;
> +		};
> +
> +		sleep_clk: sleep_clk {
> +			compatible = "fixed-clock";
> +			clock-frequency = <32000>;
> +			#clock-cells = <0>;
> +		};
> +	};
> +

(...)

> +		CPU_PD3: cpu-pd3 {
> +			#power-domain-cells = <0>;
> +			power-domains = <&CLUSTER_PD>;
> +			domain-idle-states = <&SILVER_OFF>;
> +		};
> +
> +		CLUSTER_PD: cluster-pd {
> +			#power-domain-cells = <0>;
> +			domain-idle-states = <&CLUSTER_PWR_DN &APSS_OFF>;
> +		};
> +	};
> +
> +	soc: soc@0 {
> +		#address-cells = <2>;
> +		#size-cells = <2>;
> +		ranges = <0 0 0 0 0x10 0>;
> +		dma-ranges = <0 0 0 0 0x10 0>;
> +		compatible = "simple-bus";
> +
> +		gcc: clock-controller@80000 {
> +			compatible = "qcom,gcc-qdu1000", "qcom,gcc-qru1000", "syscon";

Did you document the compatibles?

> +			reg = <0x0 0x80000 0x0 0x1f4200>;
> +			#clock-cells = <1>;
> +			#reset-cells = <1>;
> +			#power-domain-cells = <1>;
> +			clocks = <&rpmhcc RPMH_CXO_CLK>, <&sleep_clk>;
> +			clock-names = "bi_tcxo", "sleep_clk";
> +		};
> +
> +		qupv3_id_0: geniqup@9c0000 {
> +			compatible = "qcom,geni-se-qup";
> +			reg = <0x0 0x9c0000 0x0 0x2000>;
> +			clock-names = "m-ahb", "s-ahb";
> +			clocks = <&gcc GCC_QUPV3_WRAP_0_M_AHB_CLK>,
> +				<&gcc GCC_QUPV3_WRAP_0_S_AHB_CLK>;
> +			#address-cells = <2>;
> +			#size-cells = <2>;
> +			ranges;
> +			status = "disabled";
> +
> +			uart7: serial@99c000 {
> +				compatible = "qcom,geni-debug-uart";
> +				reg = <0x0 0x99c000 0x0 0x4000>;
> +				clock-names = "se";
> +				clocks = <&gcc GCC_QUPV3_WRAP0_S7_CLK>;
> +				interrupts = <GIC_SPI 608 IRQ_TYPE_LEVEL_HIGH>;
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +				status = "disabled";
> +			};
> +		};
> +

(...)

> +		arch_timer: timer {
> +			compatible = "arm,armv8-timer";
> +			interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>,
> +				     <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>,
> +				     <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>,
> +				     <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>,
> +				     <GIC_PPI 12 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>;
> +			clock-frequency = <19200000>;
> +		};
> +	};
> +};
> diff --git a/arch/arm64/boot/dts/qcom/qdu1000.dtsi b/arch/arm64/boot/dts/qcom/qdu1000.dtsi
> new file mode 100644
> index 000000000000..ba195e7ffc38
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/qdu1000.dtsi
> @@ -0,0 +1,10 @@
> +// SPDX-License-Identifier: BSD-3-Clause-Clear
> +/*
> + * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
> + */
> +
> +#include "qdru1000.dtsi"
> +
> +/ {
> +	qcom,msm-id = <545 0x10000>, <587 0x10000>;

NAK.

> +};
> diff --git a/arch/arm64/boot/dts/qcom/qru1000.dtsi b/arch/arm64/boot/dts/qcom/qru1000.dtsi
> new file mode 100644
> index 000000000000..1639a4b3c1fb
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/qru1000.dtsi
> @@ -0,0 +1,10 @@
> +// SPDX-License-Identifier: BSD-3-Clause-Clear
> +/*
> + * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
> + */
> +
> +#include "qdru1000.dtsi"
> +
> +/ {
> +	qcom,msm-id = <539 0x10000>, <588 0x10000>, <589 0x10000>, <590 0x10000>;

Nope, property is not documented and not accepted. Efforts in
documenting this property were apparently also not accepted, therefore I
am not agreeing in bringing DTS with these.

> +};

Best regards,
Krzysztof