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Message-Id: <20231018123033.301005-5-dsankouski@gmail.com>
Date:   Wed, 18 Oct 2023 15:30:31 +0300
From:   Dzmitry Sankouski <dsankouski@...il.com>
To:     linux-kernel@...r.kernel.org
Cc:     Dzmitry Sankouski <dsankouski@...il.com>
Subject: [PATCH 4/6] arm64: dts: qcom: starqltechn: enable more features

- enable usb 2.0
- enable debug uart (uart9)
- enable touchscreen
- enable ipa so that we can bring up mobile data

Signed-off-by: Dzmitry Sankouski <dsankouski@...il.com>
---

 .../dts/qcom/sdm845-samsung-starqltechn.dts   | 189 +++++++++++++++++-
 1 file changed, 187 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sdm845-samsung-starqltechn.dts b/arch/arm64/boot/dts/qcom/sdm845-samsung-starqltechn.dts
index e9fa230d11ec..3bc9ae5f6213 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-samsung-starqltechn.dts
+++ b/arch/arm64/boot/dts/qcom/sdm845-samsung-starqltechn.dts
@@ -11,11 +11,17 @@
 #include <dt-bindings/regulator/qcom,rpmh-regulator.h>
 #include "sdm845.dtsi"
 
+/delete-node/ &rmtfs_mem;
+
 / {
 	chassis-type = "handset";
 	model = "Samsung Galaxy S9 SM-G9600";
 	compatible = "samsung,starqltechn", "qcom,sdm845";
 
+	aliases {
+		serial0 = &uart9;
+	};
+
 	chosen {
 		#address-cells = <2>;
 		#size-cells = <2>;
@@ -63,6 +69,96 @@ memory@...00000 {
 			ftrace-size = <0x40000>;
 			pmsg-size = <0x40000>;
 		};
+
+		/* The rmtfs_mem needs to be guarded due to "XPU limitations"
+		 * it is otherwise possible for an allocation adjacent to the
+		 * rmtfs_mem region to trigger an XPU violation, causing a crash.
+		 */
+		rmtfs_lower_guard: memory@...00000 {
+			no-map;
+			reg = <0 0xfde00000 0 0x1000>;
+		};
+
+		rmtfs_mem: rmtfs-mem@...01000 {
+			compatible = "qcom,rmtfs-mem";
+			reg = <0 0xfde01000 0 0x200000>;
+			no-map;
+
+			qcom,client-id = <1>;
+			qcom,vmid = <15>;
+		};
+
+		rmtfs_upper_guard: rmtfs-upper-guard@...01000 {
+			no-map;
+			reg = <0 0xfe001000 0 0x1000>;
+		};
+
+		/*
+		 * It seems like reserving the old rmtfs_mem region is also needed to prevent
+		 * random crashes which are most likely modem related, more testing needed.
+		 */
+		removed_region: removed-region@...00000 {
+			no-map;
+			reg = <0 0x88f00000 0 0x1c00000>;
+		};
+	};
+
+	i2c@21 {
+		compatible = "i2c-gpio";
+		sda-gpios = <&tlmm 127 0x0>;
+		scl-gpios = <&tlmm 128 0x0>;
+		#i2c-gpio,delay-us = <0x2>;
+		#address-cells = <0x1>;
+		#size-cells = <0x0>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&i2c21_sda &i2c21_scl>;
+
+		regulator@60 {
+			compatible = "samsung,s2dos05";
+			reg = <0x60>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&s2dos05_irq>;
+			s2dos05,s2dos05_int = <&tlmm 0x31 0x0>;
+
+			regulators {
+				s2dos05_ldo1: s2dos05-ldo1 {
+					regulator-name = "s2dos05-ldo1";
+					regulator-min-microvolt = <0x16e360>;
+					regulator-max-microvolt = <0x1e8480>;
+					regulator-active-discharge = <0x1>;
+				};
+
+				s2dos05_ldo2: s2dos05-ldo2 {
+					regulator-name = "s2dos05-ldo2";
+					regulator-min-microvolt = <0x1b7740>;
+					regulator-max-microvolt = <0x1b7740>;
+					regulator-active-discharge = <0x1>;
+					regulator-boot-on;
+				};
+
+				s2dos05_ldo3: s2dos05-ldo3 {
+					regulator-name = "s2dos05-ldo3";
+					regulator-min-microvolt = <0x2dc6c0>;
+					regulator-max-microvolt = <0x2dc6c0>;
+					regulator-active-discharge = <0x1>;
+					regulator-boot-on;
+				};
+
+				s2dos05_ldo4: s2dos05-ldo4 {
+					regulator-name = "s2dos05-ldo4";
+					regulator-min-microvolt = <0x2932e0>;
+					regulator-max-microvolt = <0x399a18>;
+					regulator-active-discharge = <0x1>;
+				};
+
+				s2dos05_buck1: s2dos05-buck1 {
+					regulator-name = "s2dos05-buck1";
+					regulator-min-microvolt = <0xcf850>;
+					regulator-max-microvolt = <0x200b20>;
+					regulator-active-discharge = <0x1>;
+				};
+			};
+		};
 	};
 };
 
@@ -130,8 +226,6 @@ vdda_pll_cc_ebi23:
 		vdda_sp_sensor:
 		vdda_ufs1_core:
 		vdda_ufs2_core:
-		vdda_usb1_ss_core:
-		vdda_usb2_ss_core:
 		vreg_l1a_0p875: ldo1 {
 			regulator-min-microvolt = <880000>;
 			regulator-max-microvolt = <880000>;
@@ -152,6 +246,7 @@ vreg_l3a_1p0: ldo3 {
 			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
 		};
 
+		vdda_usb1_ss_core:
 		vdd_wcss_cx:
 		vdd_wcss_mx:
 		vdda_wcss_pll:
@@ -360,6 +455,10 @@ &qupv3_id_1 {
 	status = "okay";
 };
 
+&gpi_dma1 {
+	status = "okay";
+};
+
 &uart9 {
 	status = "okay";
 };
@@ -386,13 +485,50 @@ &sdhc_2 {
 	status = "okay";
 };
 
+&i2c11 {
+	status = "okay";
+	clock-frequency = <400000>;
+
+	touchscreen@48 {
+		compatible = "samsung,s6sy761";
+		reg = <0x48>;
+		interrupt-parent = <&tlmm>;
+		interrupts = <120 0x0>;
+		vdd-supply = <&s2dos05_ldo2>;
+		avdd-supply = <&s2dos05_ldo3>;
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&touch_irq>;
+	};
+};
+
+/* Modem/wifi*/
+&mss_pil {
+	status = "okay";
+	firmware-name = "qcom/sdm845/starqltechn/mba.mbn", "qcom/sdm845/starqltechn/modem.mbn";
+};
+
+&ipa {
+	qcom,gsi-loader = "self";
+	memory-region = <&ipa_fw_mem>;
+	firmware-name = "qcom/sdm845/starqltechn/ipa_fws.mbn";
+	status = "okay";
+};
+
 &usb_1 {
 	status = "okay";
+	/*
+	 * disable USB3 clock requirement as the device only supports
+	 * USB2.
+	 */
+	qcom,select-utmi-as-pipe-clk;
 };
 
 &usb_1_dwc3 {
 	/* Until we have Type C hooked up we'll force this as peripheral. */
 	dr_mode = "peripheral";
+
+	maximum-speed = "high-speed";
 };
 
 &usb_1_hsphy {
@@ -444,4 +580,53 @@ sd_card_det_n_state: sd-card-det-n-state {
 		function = "gpio";
 		bias-pull-up;
 	};
+
+	s2dos05_irq: s2dos05_irq {
+		pinmux {
+			pins = "gpio49";
+			drive-strength = <0x2>;
+			bias-disable;
+		};
+	};
+
+	gpio_i2c21_default: gpio-i2c21-default {
+		pinmux {
+			pins = "gpio127", "gpio128";
+			function = "gpio";
+		};
+
+		i2c21_sda: i2c_sda {
+			pins = "gpio127";
+			drive-strength = <0x2>;
+			bias-disable;
+		};
+
+		i2c21_scl: i2c_scl {
+			pins = "gpio128";
+			drive-strength = <0x2>;
+			bias-disable;
+		};
+	};
+
+	touch_irq: touch-irq {
+		pins = "gpio120";
+		function = "gpio";
+		bias-disable;
+		input-enable;
+	};
+};
+
+&qup_uart9_tx {
+	drive-strength = <0x2>;
+	bias-pull-up;
+};
+
+&qup_uart9_rx {
+	drive-strength = <0x2>;
+	bias-pull-up;
+};
+
+&qup_i2c11_default {
+	drive-strength = <2>;
+	bias-disable;
 };
-- 
2.39.2

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