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Date: Wed, 14 Jun 2023 12:40:02 +0200
From: Konrad Dybcio <konrad.dybcio@...aro.org>
To: Anusha Rao <quic_anusha@...cinc.com>, agross@...nel.org,
andersson@...nel.org, robh+dt@...nel.org,
krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org
Cc: quic_srichara@...cinc.com, quic_gokulsri@...cinc.com,
quic_sjaganat@...cinc.com, quic_kathirav@...cinc.com,
quic_arajkuma@...cinc.com, quic_poovendh@...cinc.com
Subject: Re: [PATCH 1/2] arm64: dts: qcom: ipq9574: Add common RDP dtsi file
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@...cinc.com>
> ---
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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