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From:   Johan Hovold <johan+linaro@kernel.org>
To:     Bjorn Andersson <bjorn.andersson@linaro.org>
Cc:     Andy Gross <agross@kernel.org>, Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Manivannan Sadhasivam <mani@kernel.org>,
        Jassi Brar <jassisinghbrar@gmail.com>,
        linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org,
        Johan Hovold <johan+linaro@kernel.org>
Subject: [PATCH v3] arm64: dts: qcom: sc8280xp: add Lenovo Thinkpad X13s devicetree
Date:   Wed, 22 Jun 2022 15:26:17 +0200
Message-Id: <20220622132617.24604-1-johan+linaro@kernel.org>
In-Reply-To: <YrMVqifgV4kZaP7F@hovoldconsulting.com>
References: <YrMVqifgV4kZaP7F@hovoldconsulting.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Precedence: bulk

Add an initial devicetree for the Lenovo Thinkpad X13s with support for
USB, backlight, keyboard, touchpad, touchscreen (to be verified), PMICs
and remoteprocs.

Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
---

Changes since v2
 - Amend commit message
 - Drop unused include files (depends on updating sc8280xp-pmics.dtsi)
 - Rename fixed-regulator nodes
 - Shorten two comments
 - Drop a couple of newline separators in the pinctrl nodes

Changs since v1:
 - New patch

 arch/arm64/boot/dts/qcom/Makefile             |   1 +
 .../qcom/sc8280xp-lenovo-thinkpad-x13s.dts    | 389 ++++++++++++++++++
 2 files changed, 390 insertions(+)
 create mode 100644 arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts

diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
index 2f416b84b71c..43053f1f6be9 100644
--- a/arch/arm64/boot/dts/qcom/Makefile
+++ b/arch/arm64/boot/dts/qcom/Makefile
@@ -91,6 +91,7 @@ dtb-$(CONFIG_ARCH_QCOM)	+= sc7280-idp.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= sc7280-idp2.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= sc7280-crd-r3.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= sc8280xp-crd.dtb
+dtb-$(CONFIG_ARCH_QCOM)	+= sc8280xp-lenovo-thinkpad-x13s.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= sdm630-sony-xperia-ganges-kirin.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= sdm630-sony-xperia-nile-discovery.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= sdm630-sony-xperia-nile-pioneer.dtb
diff --git a/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts b/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
new file mode 100644
index 000000000000..9ffc4d69228e
--- /dev/null
+++ b/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
@@ -0,0 +1,389 @@
+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * Copyright (c) 2021, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2022, Linaro Limited
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/regulator/qcom,rpmh-regulator.h>
+
+#include "sc8280xp.dtsi"
+#include "sc8280xp-pmics.dtsi"
+
+/ {
+	model = "Lenovo ThinkPad X13s";
+	compatible = "lenovo,thinkpad-x13s", "qcom,sc8280xp";
+
+	backlight {
+		compatible = "pwm-backlight";
+		pwms = <&pmc8280c_lpg 3 1000000>;
+		enable-gpios = <&pmc8280_1_gpios 8 GPIO_ACTIVE_HIGH>;
+		power-supply = <&vreg_edp_bl>;
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&edp_bl_en>, <&edp_bl_pwm>;
+	};
+
+	vreg_edp_bl: regulator-edp-bl {
+		compatible = "regulator-fixed";
+
+		regulator-name = "VBL9";
+		regulator-min-microvolt = <3600000>;
+		regulator-max-microvolt = <3600000>;
+
+		gpio = <&pmc8280_1_gpios 9 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&edp_bl_reg_en>;
+
+		regulator-boot-on;
+	};
+
+	vreg_misc_3p3: regulator-misc-3p3 {
+		compatible = "regulator-fixed";
+
+		regulator-name = "VCC3B";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+
+		gpio = <&pmc8280_1_gpios 1 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&misc_3p3_reg_en>;
+
+		regulator-boot-on;
+		regulator-always-on;
+	};
+
+	reserved-memory {
+	};
+};
+
+&apps_rsc {
+	pmc8280-1-rpmh-regulators {
+		compatible = "qcom,pm8350-rpmh-regulators";
+		qcom,pmic-id = "b";
+
+		vdd-l3-l5-supply = <&vreg_s11b>;
+
+		vreg_s11b: smps11 {
+			regulator-name = "vreg_s11b";
+			regulator-min-microvolt = <1272000>;
+			regulator-max-microvolt = <1272000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		vreg_l3b: ldo3 {
+			regulator-name = "vreg_l3b";
+			regulator-min-microvolt = <1200000>;
+			regulator-max-microvolt = <1200000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+			regulator-allow-set-load;
+			regulator-boot-on;
+		};
+
+		vreg_l4b: ldo4 {
+			regulator-name = "vreg_l4b";
+			regulator-min-microvolt = <912000>;
+			regulator-max-microvolt = <912000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+			regulator-allow-set-load;
+		};
+
+		vreg_l6b: ldo6 {
+			regulator-name = "vreg_l6b";
+			regulator-min-microvolt = <880000>;
+			regulator-max-microvolt = <880000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+			regulator-allow-set-load;
+			regulator-boot-on;
+			regulator-always-on;	// FIXME: VDD_A_EDP_0_0P9
+		};
+	};
+
+	pmc8280c-rpmh-regulators {
+		compatible = "qcom,pm8350c-rpmh-regulators";
+		qcom,pmic-id = "c";
+
+		vreg_l1c: ldo1 {
+			regulator-name = "vreg_l1c";
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <1800000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+			regulator-allow-set-load;
+		};
+
+		vreg_l12c: ldo12 {
+			regulator-name = "vreg_l12c";
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <1800000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+			regulator-allow-set-load;
+		};
+
+		vreg_l13c: ldo13 {
+			regulator-name = "vreg_l13c";
+			regulator-min-microvolt = <3072000>;
+			regulator-max-microvolt = <3072000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+			regulator-allow-set-load;
+		};
+	};
+
+	pmc8280-2-rpmh-regulators {
+		compatible = "qcom,pm8350-rpmh-regulators";
+		qcom,pmic-id = "d";
+
+		vdd-l1-l4-supply = <&vreg_s11b>;
+
+		vreg_l3d: ldo3 {
+			regulator-name = "vreg_l3d";
+			regulator-min-microvolt = <1200000>;
+			regulator-max-microvolt = <1200000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+			regulator-allow-set-load;
+		};
+
+		vreg_l4d: ldo4 {
+			regulator-name = "vreg_l4d";
+			regulator-min-microvolt = <1200000>;
+			regulator-max-microvolt = <1200000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+			regulator-allow-set-load;
+		};
+
+		vreg_l7d: ldo7 {
+			regulator-name = "vreg_l7d";
+			regulator-min-microvolt = <3072000>;
+			regulator-max-microvolt = <3072000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+			regulator-allow-set-load;
+		};
+
+		vreg_l9d: ldo9 {
+			regulator-name = "vreg_l9d";
+			regulator-min-microvolt = <912000>;
+			regulator-max-microvolt = <912000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+			regulator-allow-set-load;
+		};
+	};
+};
+
+&pmc8280c_lpg {
+	status = "okay";
+};
+
+&pmk8280_pon_pwrkey {
+	status = "okay";
+};
+
+&qup0 {
+	status = "okay";
+};
+
+&qup0_i2c4 {
+	clock-frequency = <400000>;
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&qup0_i2c4_default>, <&ts0_default>;
+
+	status = "okay";
+
+	/* FIXME: verify */
+	touchscreen@10 {
+		compatible = "hid-over-i2c";
+		reg = <0x10>;
+		hid-descr-addr = <0x1>;
+		interrupts-extended = <&tlmm 175 IRQ_TYPE_LEVEL_LOW>;
+		vdd-supply = <&vreg_misc_3p3>;
+	};
+};
+
+&qup1 {
+	status = "okay";
+};
+
+&qup2 {
+	status = "okay";
+};
+
+&qup2_i2c5 {
+	clock-frequency = <400000>;
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&qup2_i2c5_default>, <&kybd_default>, <&tpad_default>;
+
+	status = "okay";
+
+	touchpad@2c {
+		compatible = "hid-over-i2c";
+		reg = <0x2c>;
+		hid-descr-addr = <0x20>;
+		interrupts-extended = <&tlmm 182 IRQ_TYPE_LEVEL_LOW>;
+		vdd-supply = <&vreg_misc_3p3>;
+	};
+
+	keyboard@68 {
+		compatible = "hid-over-i2c";
+		reg = <0x68>;
+		hid-descr-addr = <0x1>;
+		interrupts-extended = <&tlmm 104 IRQ_TYPE_LEVEL_LOW>;
+		vdd-supply = <&vreg_misc_3p3>;
+	};
+};
+
+&remoteproc_adsp {
+	firmware-name = "qcom/sc8280xp/qcadsp8280.mbn";
+
+	status = "okay";
+};
+
+&remoteproc_nsp0 {
+	firmware-name = "qcom/sc8280xp/qccdsp8280.mbn";
+
+	status = "okay";
+};
+
+&usb_0 {
+	status = "okay";
+};
+
+&usb_0_dwc3 {
+	/* TODO: Define USB-C connector properly */
+	dr_mode = "host";
+};
+
+&usb_0_hsphy {
+	vdda-pll-supply = <&vreg_l9d>;
+	vdda18-supply = <&vreg_l1c>;
+	vdda33-supply = <&vreg_l7d>;
+
+	status = "okay";
+};
+
+&usb_0_qmpphy {
+	vdda-phy-supply = <&vreg_l9d>;
+	vdda-pll-supply = <&vreg_l4d>;
+
+	status = "okay";
+};
+
+&usb_1 {
+	status = "okay";
+};
+
+&usb_1_dwc3 {
+	/* TODO: Define USB-C connector properly */
+	dr_mode = "host";
+};
+
+&usb_1_hsphy {
+	vdda-pll-supply = <&vreg_l4b>;
+	vdda18-supply = <&vreg_l1c>;
+	vdda33-supply = <&vreg_l13c>;
+
+	status = "okay";
+};
+
+&usb_1_qmpphy {
+	vdda-phy-supply = <&vreg_l4b>;
+	vdda-pll-supply = <&vreg_l3b>;
+
+	status = "okay";
+};
+
+&xo_board_clk {
+	clock-frequency = <38400000>;
+};
+
+/* PINCTRL */
+
+&pmc8280_1_gpios {
+	edp_bl_en: edp-bl-en-state {
+		pins = "gpio8";
+		function = "normal";
+	};
+
+	edp_bl_reg_en: edp-bl-reg-en-state {
+		pins = "gpio9";
+		function = "normal";
+	};
+
+	misc_3p3_reg_en: misc-3p3-reg-en-state {
+		pins = "gpio1";
+		function = "normal";
+	};
+};
+
+&pmc8280c_gpios {
+	edp_bl_pwm: edp-bl-pwm-state {
+		pins = "gpio8";
+		function = "func1";
+	};
+};
+
+&tlmm {
+	gpio-reserved-ranges = <70 2>, <74 6>, <83 4>, <125 2>, <128 2>, <154 7>;
+
+	kybd_default: kybd-default-state {
+		disable {
+			pins = "gpio102";
+			function = "gpio";
+			output-low;
+		};
+
+		int-n {
+			pins = "gpio104";
+			function = "gpio";
+			bias-disable;
+		};
+
+		reset {
+			pins = "gpio105";
+			function = "gpio";
+			bias-disable;
+		};
+	};
+
+	qup0_i2c4_default: qup0-i2c4-default-state {
+		pins = "gpio171", "gpio172";
+		function = "qup4";
+		bias-disable;
+		drive-strength = <16>;
+	};
+
+	qup2_i2c5_default: qup2-i2c5-default-state {
+		pins = "gpio81", "gpio82";
+		function = "qup21";
+		bias-disable;
+		drive-strength = <16>;
+	};
+
+	tpad_default: tpad-default-state {
+		int-n {
+			pins = "gpio182";
+			function = "gpio";
+			bias-disable;
+		};
+	};
+
+	ts0_default: ts0-default-state {
+		int-n {
+			pins = "gpio175";
+			function = "gpio";
+			bias-pull-up;
+		};
+
+		reset-n {
+			pins = "gpio99";
+			function = "gpio";
+			output-high;
+			drive-strength = <16>;
+		};
+	};
+};
-- 
2.35.1