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* [PATCH v5] ARM: dts: nexus4: Initial dts
@ 2025-03-16 22:16 David Heidelberg via B4 Relay
  2025-03-16 23:24 ` Dmitry Baryshkov
                   ` (2 more replies)
  0 siblings, 3 replies; 6+ messages in thread
From: David Heidelberg via B4 Relay @ 2025-03-16 22:16 UTC (permalink / raw)
  To: Bjorn Andersson, Konrad Dybcio, Rob Herring, Krzysztof Kozlowski,
	Conor Dooley, Kees Cook, Tony Luck, Guilherme G. Piccoli
  Cc: linux-arm-msm, devicetree, linux-kernel, linux-hardening,
	Ivan Belokobylskiy, David Heidelberg

From: Ivan Belokobylskiy <belokobylskij@gmail.com>

Add initial support for LG Nexus 4 (mako).

Features currently working: regulators, eMMC, and volume keys.

Signed-off-by: Ivan Belokobylskiy <belokobylskij@gmail.com>
Co-developed-by: David Heidelberg <david@ixit.cz>
Signed-off-by: David Heidelberg <david@ixit.cz>
---
Changes in v5:
- Sorted nodes alphabetically.
- Link to v4: https://lore.kernel.org/r/20250311-lg-nexus4-mako-v4-1-3916c8ec7edb@ixit.cz

Changes in v4:
- Sorted regulators and added regulators compatible.
- Corrected pmic include and references.
- Moved &rpm outside of / node.
- Moved and simplify pm8921 keypad.
- Added chasis-type.
- Dropped incomplete WiFi node, will be provided in future
  contributions.
- Link to v3: https://lore.kernel.org/r/20250309-lg-nexus4-mako-v3-1-1dc2807df296@ixit.cz

Changes in v3:
- rebased against next-20250307
- dropped backlight until driver gets converted to DT

Changes in v2:
- lge vendor doesn't exist anymore, rename to lg
- sdcc@ to mmc@ to comply with dt-schema
---
 arch/arm/boot/dts/qcom/Makefile                    |   1 +
 .../boot/dts/qcom/qcom-apq8064-lg-nexus4-mako.dts  | 341 +++++++++++++++++++++
 2 files changed, 342 insertions(+)

diff --git a/arch/arm/boot/dts/qcom/Makefile b/arch/arm/boot/dts/qcom/Makefile
index f06c6d425e91dd73c2b453d15543d95bd32383b9..0c1d116f6e84f76994aa8c8286350bdcd1657a42 100644
--- a/arch/arm/boot/dts/qcom/Makefile
+++ b/arch/arm/boot/dts/qcom/Makefile
@@ -12,6 +12,7 @@ dtb-$(CONFIG_ARCH_QCOM) += \
 	qcom-apq8064-ifc6410.dtb \
 	qcom-apq8064-sony-xperia-lagan-yuga.dtb \
 	qcom-apq8064-asus-nexus7-flo.dtb \
+	qcom-apq8064-lg-nexus4-mako.dtb \
 	qcom-apq8074-dragonboard.dtb \
 	qcom-apq8084-ifc6540.dtb \
 	qcom-apq8084-mtp.dtb \
diff --git a/arch/arm/boot/dts/qcom/qcom-apq8064-lg-nexus4-mako.dts b/arch/arm/boot/dts/qcom/qcom-apq8064-lg-nexus4-mako.dts
new file mode 100644
index 0000000000000000000000000000000000000000..5710450faabf34fa5991d8803a2369cfbb09e4ea
--- /dev/null
+++ b/arch/arm/boot/dts/qcom/qcom-apq8064-lg-nexus4-mako.dts
@@ -0,0 +1,341 @@
+// SPDX-License-Identifier: GPL-2.0-only
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/mfd/qcom-rpm.h>
+#include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
+
+#include "qcom-apq8064-v2.0.dtsi"
+#include "pm8821.dtsi"
+#include "pm8921.dtsi"
+
+/ {
+	model = "LG Nexus 4 (mako)";
+	compatible = "lg,nexus4-mako", "qcom,apq8064";
+	chassis-type = "handset";
+
+	aliases {
+		serial0 = &gsbi7_serial;
+		serial1 = &gsbi6_serial;
+		serial2 = &gsbi4_serial;
+	};
+
+	chosen {
+		stdout-path = "serial2:115200n8";
+	};
+
+	battery_cell: battery-cell {
+		compatible = "simple-battery";
+		constant-charge-current-max-microamp = <900000>;
+		operating-range-celsius = <0 45>;
+	};
+
+	reserved-memory {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		ramoops@88d00000{
+			compatible = "ramoops";
+			reg = <0x88d00000 0x100000>;
+			record-size = <0x20000>;
+			console-size = <0x20000>;
+			ftrace-size = <0x20000>;
+		};
+	};
+};
+
+&gsbi1 {
+	qcom,mode = <GSBI_PROT_I2C>;
+
+	status = "okay";
+};
+
+&gsbi1_i2c {
+	clock-frequency = <200000>;
+
+	status = "okay";
+};
+
+&gsbi4 {
+	qcom,mode = <GSBI_PROT_I2C_UART>;
+
+	status = "okay";
+};
+
+&gsbi4_serial {
+	status = "okay";
+};
+
+&pm8821 {
+	interrupts-extended = <&tlmm_pinmux 76 IRQ_TYPE_LEVEL_LOW>;
+};
+
+&pm8921 {
+	interrupts-extended = <&tlmm_pinmux 74 IRQ_TYPE_LEVEL_LOW>;
+};
+
+&pm8921_keypad {
+	linux,keymap = <
+		MATRIX_KEY(0, 0, KEY_VOLUMEDOWN)
+		MATRIX_KEY(0, 1, KEY_VOLUMEUP)
+	>;
+
+	keypad,num-rows = <1>;
+	keypad,num-columns = <5>;
+
+	status = "okay";
+};
+
+&rpm {
+	regulators {
+		compatible = "qcom,rpm-pm8921-regulators";
+
+		vdd_l1_l2_l12_l18-supply = <&pm8921_s4>;
+		vdd_l24-supply = <&pm8921_s1>;
+		vdd_l25-supply = <&pm8921_s1>;
+		vdd_l26-supply = <&pm8921_s7>;
+		vdd_l27-supply = <&pm8921_s7>;
+		vdd_l28-supply = <&pm8921_s7>;
+		vin_lvs1_3_6-supply = <&pm8921_s4>;
+		vin_lvs2-supply = <&pm8921_s1>;
+		vin_lvs4_5_7-supply = <&pm8921_s4>;
+
+		pm8921_l1: l1 {
+			regulator-min-microvolt = <1100000>;
+			regulator-max-microvolt = <1100000>;
+			regulator-always-on;
+			bias-pull-down;
+		};
+
+		/* mipi_dsi.1-dsi1_pll_vdda */
+		pm8921_l2: l2 {
+			regulator-min-microvolt = <1200000>;
+			regulator-max-microvolt = <1200000>;
+			bias-pull-down;
+		};
+
+		/* msm_otg-HSUSB_3p3 */
+		pm8921_l3: l3 {
+			regulator-min-microvolt = <3075000>;
+			regulator-max-microvolt = <3500000>;
+			bias-pull-down;
+		};
+
+		/* msm_otg-HSUSB_1p8 */
+		pm8921_l4: l4 {
+			regulator-always-on;
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <1800000>;
+		};
+
+		/* msm_sdcc.1-sdc_vdd */
+		pm8921_l5: l5 {
+			regulator-min-microvolt = <2950000>;
+			regulator-max-microvolt = <2950000>;
+			bias-pull-down;
+		};
+
+		/* earjack_debug */
+		pm8921_l6: l6 {
+			regulator-min-microvolt = <3000000>;
+			regulator-max-microvolt = <3000000>;
+			bias-pull-down;
+		};
+
+		/* mipi_dsi.1-dsi_vci */
+		pm8921_l8: l8 {
+			regulator-min-microvolt = <2800000>;
+			regulator-max-microvolt = <3000000>;
+			bias-pull-down;
+		};
+
+		/* wcnss_wlan.0-iris_vddpa */
+		pm8921_l10: l10 {
+			regulator-min-microvolt = <2900000>;
+			regulator-max-microvolt = <2900000>;
+			bias-pull-down;
+		};
+
+		/* mipi_dsi.1-dsi1_avdd */
+		pm8921_l11: l11 {
+			regulator-min-microvolt = <2850000>;
+			regulator-max-microvolt = <2850000>;
+			bias-pull-down;
+		};
+
+		/* touch_vdd */
+		pm8921_l15: l15 {
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <2950000>;
+			bias-pull-down;
+		};
+
+		/* slimport_dvdd */
+		pm8921_l18: l18 {
+			regulator-min-microvolt = <1100000>;
+			regulator-max-microvolt = <1100000>;
+			bias-pull-down;
+		};
+
+		/* touch_io */
+		pm8921_l22: l22 {
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <1800000>;
+			bias-pull-down;
+		};
+
+		/*
+		 * mipi_dsi.1-dsi_vddio
+		 * pil_qdsp6v4.1-pll_vdd
+		 * pil_qdsp6v4.2-pll_vdd
+		 * msm_ehci_host.0-HSUSB_1p8
+		 * msm_ehci_host.1-HSUSB_1p8
+		 */
+		pm8921_l23: l23 {
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <1800000>;
+			bias-pull-down;
+		};
+
+		/*
+		 * tabla2x-slim-CDC_VDDA_A_1P2V
+		 * tabla2x-slim-VDDD_CDC_D
+		 */
+		pm8921_l24: l24 {
+			regulator-min-microvolt = <750000>;
+			regulator-max-microvolt = <1150000>;
+			bias-pull-down;
+		};
+
+		pm8921_l25: l25 {
+			regulator-min-microvolt = <1250000>;
+			regulator-max-microvolt = <1250000>;
+			regulator-always-on;
+			bias-pull-down;
+		};
+
+		pm8921_l26: l26 {
+			regulator-min-microvolt = <375000>;
+			regulator-max-microvolt = <1050000>;
+			regulator-always-on;
+			bias-pull-down;
+		};
+
+		pm8921_l27: l27 {
+			regulator-min-microvolt = <1100000>;
+			regulator-max-microvolt = <1100000>;
+		};
+
+		pm8921_l28: l28 {
+			regulator-min-microvolt = <1050000>;
+			regulator-max-microvolt = <1050000>;
+			bias-pull-down;
+		};
+
+		/* wcnss_wlan.0-iris_vddio */
+		pm8921_lvs1: lvs1 {
+			bias-pull-down;
+		};
+
+		/* wcnss_wlan.0-iris_vdddig */
+		pm8921_lvs2: lvs2 {
+			bias-pull-down;
+		};
+
+		pm8921_lvs3: lvs3 {
+			bias-pull-down;
+		};
+
+		pm8921_lvs4: lvs4 {
+			bias-pull-down;
+		};
+
+		pm8921_lvs5: lvs5 {
+			bias-pull-down;
+		};
+
+		/* mipi_dsi.1-dsi_iovcc */
+		pm8921_lvs6: lvs6 {
+			bias-pull-down;
+		};
+
+		/*
+		 * pil_riva-pll_vdd
+		 * lvds.0-lvds_vdda
+		 * mipi_dsi.1-dsi1_vddio
+		 * hdmi_msm.0-hdmi_vdda
+		 */
+		pm8921_lvs7: lvs7 {
+			bias-pull-down;
+		};
+
+		pm8921_ncp: ncp {
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <1800000>;
+			qcom,switch-mode-frequency = <1600000>;
+		};
+
+		/* Buck SMPS */
+		pm8921_s1: s1 {
+			regulator-always-on;
+			regulator-min-microvolt = <1225000>;
+			regulator-max-microvolt = <1225000>;
+			qcom,switch-mode-frequency = <3200000>;
+			bias-pull-down;
+		};
+
+		pm8921_s2: s2 {
+			regulator-min-microvolt = <1300000>;
+			regulator-max-microvolt = <1300000>;
+			qcom,switch-mode-frequency = <1600000>;
+			bias-pull-down;
+		};
+
+		/* msm otg HSUSB_VDDCX */
+		pm8921_s3: s3 {
+			regulator-min-microvolt = <500000>;
+			regulator-max-microvolt = <1150000>;
+			qcom,switch-mode-frequency = <4800000>;
+			bias-pull-down;
+		};
+
+		/*
+		 * msm_sdcc.1-sdc-vdd_io
+		 * tabla2x-slim-CDC_VDDA_RX
+		 * tabla2x-slim-CDC_VDDA_TX
+		 * tabla2x-slim-CDC_VDD_CP
+		 * tabla2x-slim-VDDIO_CDC
+		 */
+		pm8921_s4: s4 {
+			regulator-always-on;
+			regulator-min-microvolt	= <1800000>;
+			regulator-max-microvolt	= <1800000>;
+			qcom,switch-mode-frequency = <1600000>;
+			bias-pull-down;
+			qcom,force-mode = <QCOM_RPM_FORCE_MODE_AUTO>;
+		};
+
+		/*
+		 * supply vdd_l26, vdd_l27, vdd_l28
+		 */
+		pm8921_s7: s7 {
+			regulator-min-microvolt = <1300000>;
+			regulator-max-microvolt = <1300000>;
+			qcom,switch-mode-frequency = <3200000>;
+		};
+
+		pm8921_s8: s8 {
+			regulator-min-microvolt = <2200000>;
+			regulator-max-microvolt = <2200000>;
+			qcom,switch-mode-frequency = <1600000>;
+		};
+	};
+};
+
+/* eMMC */
+&sdcc1 {
+	vmmc-supply = <&pm8921_l5>;
+	vqmmc-supply = <&pm8921_s4>;
+
+	status = "okay";
+};

---
base-commit: 0a2f889128969dab41861b6e40111aa03dc57014
change-id: 20250309-lg-nexus4-mako-da0833885b26

Best regards,
-- 
David Heidelberg <david@ixit.cz>



^ permalink raw reply	[flat|nested] 6+ messages in thread
end of thread, other threads:[~2025-03-17 15:39 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2025-03-16 22:16 [PATCH v5] ARM: dts: nexus4: Initial dts David Heidelberg via B4 Relay
2025-03-16 23:24 ` Dmitry Baryshkov
2025-03-17  2:55 ` Bjorn Andersson
2025-03-17 14:18 ` Rob Herring (Arm)
2025-03-17 15:13   ` Dmitry Baryshkov
2025-03-17 15:39     ` David Heidelberg

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