Re: [PATCH 1/2] arm64: dts: qcom: ipq9574: Add common RDP dtsi file

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On 14.06.2023 10:50, Anusha Rao wrote:
> Add a dtsi file to include interfaces that are common
> across RDPs.
> 
> Signed-off-by: Anusha Rao <quic_anusha@xxxxxxxxxxx>
> ---
This enables SDHCI on RDP453. Whether or not it was intended, please
mention it in the commit message.

Konrad
>  .../boot/dts/qcom/ipq9574-rdp-common.dtsi     | 121 ++++++++++++++++++
>  arch/arm64/boot/dts/qcom/ipq9574-rdp418.dts   | 107 +---------------
>  arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts   |  88 +------------
>  arch/arm64/boot/dts/qcom/ipq9574-rdp449.dts   |  65 +---------
>  arch/arm64/boot/dts/qcom/ipq9574-rdp453.dts   |  65 +---------
>  5 files changed, 125 insertions(+), 321 deletions(-)
>  create mode 100644 arch/arm64/boot/dts/qcom/ipq9574-rdp-common.dtsi
> 
> diff --git a/arch/arm64/boot/dts/qcom/ipq9574-rdp-common.dtsi b/arch/arm64/boot/dts/qcom/ipq9574-rdp-common.dtsi
> new file mode 100644
> index 000000000000..999902bc70bd
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/ipq9574-rdp-common.dtsi
> @@ -0,0 +1,121 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
> +/*
> + * IPQ9574 RDP board common device tree source
> + *
> + * Copyright (c) 2020-2021 The Linux Foundation. All rights reserved.
> + * Copyright (c) 2023, Qualcomm Innovation Center, Inc. All rights reserved.
> + */
> +
> +/dts-v1/;
> +
> +#include "ipq9574.dtsi"
> +
> +/ {
> +	aliases {
> +		serial0 = &blsp1_uart2;
> +	};
> +
> +	chosen {
> +		stdout-path = "serial0:115200n8";
> +	};
> +};
> +
> +&blsp1_spi0 {
> +	pinctrl-0 = <&spi_0_pins>;
> +	pinctrl-names = "default";
> +	status = "okay";
> +
> +	flash@0 {
> +		compatible = "micron,n25q128a11", "jedec,spi-nor";
> +		reg = <0>;
> +		#address-cells = <1>;
> +		#size-cells = <1>;
> +		spi-max-frequency = <50000000>;
> +	};
> +};
> +
> +&blsp1_uart2 {
> +	pinctrl-0 = <&uart2_pins>;
> +	pinctrl-names = "default";
> +	status = "okay";
> +};
> +
> +&rpm_requests {
> +	regulators {
> +		compatible = "qcom,rpm-mp5496-regulators";
> +
> +		ipq9574_s1: s1 {
> +		/*
> +		 * During kernel bootup, the SoC runs at 800MHz with 875mV set by the bootloaders.
> +		 * During regulator registration, kernel not knowing the initial voltage,
> +		 * considers it as zero and brings up the regulators with minimum supported voltage.
> +		 * Update the regulator-min-microvolt with SVS voltage of 725mV so that
> +		 * the regulators are brought up with 725mV which is sufficient for all the
> +		 * corner parts to operate at 800MHz
> +		 */
> +			regulator-min-microvolt = <725000>;
> +			regulator-max-microvolt = <1075000>;
> +		};
> +	};
> +};
> +
> +&sdhc_1 {
> +	pinctrl-0 = <&sdc_default_state>;
> +	pinctrl-names = "default";
> +	mmc-ddr-1_8v;
> +	mmc-hs200-1_8v;
> +	mmc-hs400-1_8v;
> +	mmc-hs400-enhanced-strobe;
> +	max-frequency = <384000000>;
> +	bus-width = <8>;
> +	status = "okay";
> +};
> +
> +&sleep_clk {
> +	clock-frequency = <32000>;
> +};
> +
> +&tlmm {
> +	sdc_default_state: sdc-default-state {
> +		clk-pins {
> +			pins = "gpio5";
> +			function = "sdc_clk";
> +			drive-strength = <8>;
> +			bias-disable;
> +		};
> +
> +		cmd-pins {
> +			pins = "gpio4";
> +			function = "sdc_cmd";
> +			drive-strength = <8>;
> +			bias-pull-up;
> +		};
> +
> +		data-pins {
> +			pins = "gpio0", "gpio1", "gpio2",
> +			       "gpio3", "gpio6", "gpio7",
> +			       "gpio8", "gpio9";
> +			function = "sdc_data";
> +			drive-strength = <8>;
> +			bias-pull-up;
> +		};
> +
> +		rclk-pins {
> +			pins = "gpio10";
> +			function = "sdc_rclk";
> +			drive-strength = <8>;
> +			bias-pull-down;
> +		};
> +	};
> +
> +	spi_0_pins: spi-0-state {
> +		pins = "gpio11", "gpio12", "gpio13", "gpio14";
> +		function = "blsp0_spi";
> +		drive-strength = <8>;
> +		bias-disable;
> +	};
> +};
> +
> +&xo_board_clk {
> +	clock-frequency = <24000000>;
> +};
> diff --git a/arch/arm64/boot/dts/qcom/ipq9574-rdp418.dts b/arch/arm64/boot/dts/qcom/ipq9574-rdp418.dts
> index 2b093e02637b..924e4c50101a 100644
> --- a/arch/arm64/boot/dts/qcom/ipq9574-rdp418.dts
> +++ b/arch/arm64/boot/dts/qcom/ipq9574-rdp418.dts
> @@ -8,117 +8,12 @@
>  
>  /dts-v1/;
>  
> -#include "ipq9574.dtsi"
> +#include "ipq9574-rdp-common.dtsi"
>  
>  / {
>  	model = "Qualcomm Technologies, Inc. IPQ9574/AP-AL02-C2";
>  	compatible = "qcom,ipq9574-ap-al02-c2", "qcom,ipq9574";
>  
> -	aliases {
> -		serial0 = &blsp1_uart2;
> -	};
> -
> -	chosen {
> -		stdout-path = "serial0:115200n8";
> -	};
> -};
> -
> -&blsp1_spi0 {
> -	pinctrl-0 = <&spi_0_pins>;
> -	pinctrl-names = "default";
> -	status = "okay";
> -
> -	flash@0 {
> -		compatible = "micron,n25q128a11", "jedec,spi-nor";
> -		reg = <0>;
> -		#address-cells = <1>;
> -		#size-cells = <1>;
> -		spi-max-frequency = <50000000>;
> -	};
> -};
> -
> -&blsp1_uart2 {
> -	pinctrl-0 = <&uart2_pins>;
> -	pinctrl-names = "default";
> -	status = "okay";
>  };
>  
> -&rpm_requests {
> -	regulators {
> -		compatible = "qcom,rpm-mp5496-regulators";
> -
> -		ipq9574_s1: s1 {
> -		/*
> -		 * During kernel bootup, the SoC runs at 800MHz with 875mV set by the bootloaders.
> -		 * During regulator registration, kernel not knowing the initial voltage,
> -		 * considers it as zero and brings up the regulators with minimum supported voltage.
> -		 * Update the regulator-min-microvolt with SVS voltage of 725mV so that
> -		 * the regulators are brought up with 725mV which is sufficient for all the
> -		 * corner parts to operate at 800MHz
> -		 */
> -			regulator-min-microvolt = <725000>;
> -			regulator-max-microvolt = <1075000>;
> -		};
> -	};
> -};
> -
> -&sdhc_1 {
> -	pinctrl-0 = <&sdc_default_state>;
> -	pinctrl-names = "default";
> -	mmc-ddr-1_8v;
> -	mmc-hs200-1_8v;
> -	mmc-hs400-1_8v;
> -	mmc-hs400-enhanced-strobe;
> -	max-frequency = <384000000>;
> -	bus-width = <8>;
> -	status = "okay";
> -};
>  
> -&sleep_clk {
> -	clock-frequency = <32000>;
> -};
> -
> -&tlmm {
> -	sdc_default_state: sdc-default-state {
> -		clk-pins {
> -			pins = "gpio5";
> -			function = "sdc_clk";
> -			drive-strength = <8>;
> -			bias-disable;
> -		};
> -
> -		cmd-pins {
> -			pins = "gpio4";
> -			function = "sdc_cmd";
> -			drive-strength = <8>;
> -			bias-pull-up;
> -		};
> -
> -		data-pins {
> -			pins = "gpio0", "gpio1", "gpio2",
> -			       "gpio3", "gpio6", "gpio7",
> -			       "gpio8", "gpio9";
> -			function = "sdc_data";
> -			drive-strength = <8>;
> -			bias-pull-up;
> -		};
> -
> -		rclk-pins {
> -			pins = "gpio10";
> -			function = "sdc_rclk";
> -			drive-strength = <8>;
> -			bias-pull-down;
> -		};
> -	};
> -
> -	spi_0_pins: spi-0-state {
> -		pins = "gpio11", "gpio12", "gpio13", "gpio14";
> -		function = "blsp0_spi";
> -		drive-strength = <8>;
> -		bias-disable;
> -	};
> -};
> -
> -&xo_board_clk {
> -	clock-frequency = <24000000>;
> -};
> diff --git a/arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts b/arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts
> index 2b3ed8d351f7..ae2578ba6980 100644
> --- a/arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts
> +++ b/arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts
> @@ -8,96 +8,10 @@
>  
>  /dts-v1/;
>  
> -#include "ipq9574.dtsi"
> +#include "ipq9574-rdp-common.dtsi"
>  
>  / {
>  	model = "Qualcomm Technologies, Inc. IPQ9574/AP-AL02-C7";
>  	compatible = "qcom,ipq9574-ap-al02-c7", "qcom,ipq9574";
>  
> -	aliases {
> -		serial0 = &blsp1_uart2;
> -	};
> -
> -	chosen {
> -		stdout-path = "serial0:115200n8";
> -	};
> -};
> -
> -&blsp1_uart2 {
> -	pinctrl-0 = <&uart2_pins>;
> -	pinctrl-names = "default";
> -	status = "okay";
> -};
> -
> -&rpm_requests {
> -	regulators {
> -		compatible = "qcom,rpm-mp5496-regulators";
> -
> -		ipq9574_s1: s1 {
> -		/*
> -		 * During kernel bootup, the SoC runs at 800MHz with 875mV set by the bootloaders.
> -		 * During regulator registration, kernel not knowing the initial voltage,
> -		 * considers it as zero and brings up the regulators with minimum supported voltage.
> -		 * Update the regulator-min-microvolt with SVS voltage of 725mV so that
> -		 * the regulators are brought up with 725mV which is sufficient for all the
> -		 * corner parts to operate at 800MHz
> -		 */
> -			regulator-min-microvolt = <725000>;
> -			regulator-max-microvolt = <1075000>;
> -		};
> -	};
> -};
> -
> -&sdhc_1 {
> -	pinctrl-0 = <&sdc_default_state>;
> -	pinctrl-names = "default";
> -	mmc-ddr-1_8v;
> -	mmc-hs200-1_8v;
> -	mmc-hs400-1_8v;
> -	mmc-hs400-enhanced-strobe;
> -	max-frequency = <384000000>;
> -	bus-width = <8>;
> -	status = "okay";
> -};
> -
> -&sleep_clk {
> -	clock-frequency = <32000>;
> -};
> -
> -&tlmm {
> -	sdc_default_state: sdc-default-state {
> -		clk-pins {
> -			pins = "gpio5";
> -			function = "sdc_clk";
> -			drive-strength = <8>;
> -			bias-disable;
> -		};
> -
> -		cmd-pins {
> -			pins = "gpio4";
> -			function = "sdc_cmd";
> -			drive-strength = <8>;
> -			bias-pull-up;
> -		};
> -
> -		data-pins {
> -			pins = "gpio0", "gpio1", "gpio2",
> -			       "gpio3", "gpio6", "gpio7",
> -			       "gpio8", "gpio9";
> -			function = "sdc_data";
> -			drive-strength = <8>;
> -			bias-pull-up;
> -		};
> -
> -		rclk-pins {
> -			pins = "gpio10";
> -			function = "sdc_rclk";
> -			drive-strength = <8>;
> -			bias-pull-down;
> -		};
> -	};
> -};
> -
> -&xo_board_clk {
> -	clock-frequency = <24000000>;
>  };
> diff --git a/arch/arm64/boot/dts/qcom/ipq9574-rdp449.dts b/arch/arm64/boot/dts/qcom/ipq9574-rdp449.dts
> index c8fa54e1a62c..d36d1078763e 100644
> --- a/arch/arm64/boot/dts/qcom/ipq9574-rdp449.dts
> +++ b/arch/arm64/boot/dts/qcom/ipq9574-rdp449.dts
> @@ -8,73 +8,10 @@
>  
>  /dts-v1/;
>  
> -#include "ipq9574.dtsi"
> +#include "ipq9574-rdp-common.dtsi"
>  
>  / {
>  	model = "Qualcomm Technologies, Inc. IPQ9574/AP-AL02-C6";
>  	compatible = "qcom,ipq9574-ap-al02-c6", "qcom,ipq9574";
>  
> -	aliases {
> -		serial0 = &blsp1_uart2;
> -	};
> -
> -	chosen {
> -		stdout-path = "serial0:115200n8";
> -	};
> -};
> -
> -&blsp1_spi0 {
> -	pinctrl-0 = <&spi_0_pins>;
> -	pinctrl-names = "default";
> -	status = "okay";
> -
> -	flash@0 {
> -		compatible = "micron,n25q128a11", "jedec,spi-nor";
> -		reg = <0>;
> -		#address-cells = <1>;
> -		#size-cells = <1>;
> -		spi-max-frequency = <50000000>;
> -	};
> -};
> -
> -&blsp1_uart2 {
> -	pinctrl-0 = <&uart2_pins>;
> -	pinctrl-names = "default";
> -	status = "okay";
> -};
> -
> -&rpm_requests {
> -	regulators {
> -		compatible = "qcom,rpm-mp5496-regulators";
> -
> -		ipq9574_s1: s1 {
> -		/*
> -		 * During kernel bootup, the SoC runs at 800MHz with 875mV set by the bootloaders.
> -		 * During regulator registration, kernel not knowing the initial voltage,
> -		 * considers it as zero and brings up the regulators with minimum supported voltage.
> -		 * Update the regulator-min-microvolt with SVS voltage of 725mV so that
> -		 * the regulators are brought up with 725mV which is sufficient for all the
> -		 * corner parts to operate at 800MHz
> -		 */
> -			regulator-min-microvolt = <725000>;
> -			regulator-max-microvolt = <1075000>;
> -		};
> -	};
> -};
> -
> -&sleep_clk {
> -	clock-frequency = <32000>;
> -};
> -
> -&tlmm {
> -	spi_0_pins: spi-0-state {
> -		pins = "gpio11", "gpio12", "gpio13", "gpio14";
> -		function = "blsp0_spi";
> -		drive-strength = <8>;
> -		bias-disable;
> -	};
> -};
> -
> -&xo_board_clk {
> -	clock-frequency = <24000000>;
>  };
> diff --git a/arch/arm64/boot/dts/qcom/ipq9574-rdp453.dts b/arch/arm64/boot/dts/qcom/ipq9574-rdp453.dts
> index f01de6628c3b..c30c9fbedf26 100644
> --- a/arch/arm64/boot/dts/qcom/ipq9574-rdp453.dts
> +++ b/arch/arm64/boot/dts/qcom/ipq9574-rdp453.dts
> @@ -8,73 +8,10 @@
>  
>  /dts-v1/;
>  
> -#include "ipq9574.dtsi"
> +#include "ipq9574-rdp-common.dtsi"
>  
>  / {
>  	model = "Qualcomm Technologies, Inc. IPQ9574/AP-AL02-C8";
>  	compatible = "qcom,ipq9574-ap-al02-c8", "qcom,ipq9574";
>  
> -	aliases {
> -		serial0 = &blsp1_uart2;
> -	};
> -
> -	chosen {
> -		stdout-path = "serial0:115200n8";
> -	};
> -};
> -
> -&blsp1_spi0 {
> -	pinctrl-0 = <&spi_0_pins>;
> -	pinctrl-names = "default";
> -	status = "okay";
> -
> -	flash@0 {
> -		compatible = "micron,n25q128a11", "jedec,spi-nor";
> -		reg = <0>;
> -		#address-cells = <1>;
> -		#size-cells = <1>;
> -		spi-max-frequency = <50000000>;
> -	};
> -};
> -
> -&blsp1_uart2 {
> -	pinctrl-0 = <&uart2_pins>;
> -	pinctrl-names = "default";
> -	status = "okay";
> -};
> -
> -&rpm_requests {
> -	regulators {
> -		compatible = "qcom,rpm-mp5496-regulators";
> -
> -		ipq9574_s1: s1 {
> -		/*
> -		 * During kernel bootup, the SoC runs at 800MHz with 875mV set by the bootloaders.
> -		 * During regulator registration, kernel not knowing the initial voltage,
> -		 * considers it as zero and brings up the regulators with minimum supported voltage.
> -		 * Update the regulator-min-microvolt with SVS voltage of 725mV so that
> -		 * the regulators are brought up with 725mV which is sufficient for all the
> -		 * corner parts to operate at 800MHz
> -		 */
> -			regulator-min-microvolt = <725000>;
> -			regulator-max-microvolt = <1075000>;
> -		};
> -	};
> -};
> -
> -&sleep_clk {
> -	clock-frequency = <32000>;
> -};
> -
> -&tlmm {
> -	spi_0_pins: spi-0-state {
> -		pins = "gpio11", "gpio12", "gpio13", "gpio14";
> -		function = "blsp0_spi";
> -		drive-strength = <8>;
> -		bias-disable;
> -	};
> -};
> -
> -&xo_board_clk {
> -	clock-frequency = <24000000>;
>  };



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