arm64: dts: qcom: sm4250: Add support for oneplus-billie2

Add initial support for OnePlus Nord N100, based on SM4250. Currently
working:
- boots
- usb
- built-in flash storage (UFS)
- SD card reader
Signed-off-by: Iskren Chernev <iskren.chernev@gmail.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20220919180618.1840194-9-iskren.chernev@gmail.com

arch/arm64/boot/dts/qcom/Makefile

@@ -142,6 +142,7 @@ dtb-$(CONFIG_ARCH_QCOM)	+= sdm845-xiaomi-polaris.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= sdm845-shift-axolotl.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= sdm850-lenovo-yoga-c630.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= sdm850-samsung-w737.dtb
+dtb-$(CONFIG_ARCH_QCOM)	+= sm4250-oneplus-billie2.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= sm6125-sony-xperia-seine-pdx201.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= sm6350-sony-xperia-lena-pdx213.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= sm7225-fairphone-fp4.dtb

arch/arm64/boot/dts/qcom/sm4250-oneplus-billie2.dts

+// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
+/*
+ * Copyright (c) 2021, Iskren Chernev <iskren.chernev@gmail.com>
+ */
+
+/dts-v1/;
+
+#include "sm4250.dtsi"
+
+/ {
+	model = "OnePlus Nord N100";
+	compatible = "oneplus,billie2", "qcom,sm4250";
+
+	/* required for bootloader to select correct board */
+	qcom,msm-id = <0x1a1 0x10000 0x1bc 0x10000>;
+	qcom,board-id = <0x1000b 0x00>;
+
+	aliases {
+	};
+
+	chosen {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		stdout-path = "framebuffer0";
+
+		framebuffer0: framebuffer@9d400000 {
+			compatible = "simple-framebuffer";
+			reg = <0 0x5c000000 0 (1600 * 720 * 4)>;
+			width = <720>;
+			height = <1600>;
+			stride = <(720 * 4)>;
+			format = "a8r8g8b8";
+		};
+	};
+};
+
+&reserved_memory {
+	bootloader_log_mem: memory@5fff7000 {
+		reg = <0x0 0x5fff7000 0x0 0x8000>;
+		no-map;
+	};
+
+	ramoops@cbe00000 {
+		compatible = "ramoops";
+		reg = <0x0 0xcbe00000 0x0 0x400000>;
+		record-size = <0x40000>;
+		pmsg-size = <0x200000>;
+		console-size = <0x40000>;
+		ftrace-size = <0x40000>;
+	};
+
+	param_mem: memory@cc200000 {
+		reg = <0x0 0xcc200000 0x0 0x100000>;
+		no-map;
+	};
+
+	mtp_mem: memory@cc300000 {
+		reg = <0x00 0xcc300000 0x00 0xb00000>;
+		no-map;
+	};
+};
+
+&rpm_requests {
+	regulators-0 {
+		compatible = "qcom,rpm-pm6125-regulators";
+
+		vreg_s6a: s6 {
+			regulator-min-microvolt = <320000>;
+			regulator-max-microvolt = <1456000>;
+		};
+
+		vreg_s7a: s7 {
+			regulator-min-microvolt = <1280000>;
+			regulator-max-microvolt = <2040000>;
+		};
+
+		vreg_s8a: s8 {
+			regulator-min-microvolt = <1064000>;
+			regulator-max-microvolt = <1304000>;
+		};
+
+		vreg_l1a: l1 {
+			regulator-min-microvolt = <952000>;
+			regulator-max-microvolt = <1152000>;
+		};
+
+		vreg_l4a: l4 {
+			regulator-min-microvolt = <488000>;
+			regulator-max-microvolt = <1000000>;
+		};
+
+		vreg_l5a: l5 {
+			regulator-min-microvolt = <1648000>;
+			regulator-max-microvolt = <3056000>;
+		};
+
+		vreg_l6a: l6 {
+			regulator-min-microvolt = <576000>;
+			regulator-max-microvolt = <656000>;
+		};
+
+		vreg_l7a: l7 {
+			regulator-min-microvolt = <1200000>;
+			regulator-max-microvolt = <1304000>;
+		};
+
+		vreg_l8a: l8 {
+			regulator-min-microvolt = <400000>;
+			regulator-max-microvolt = <728000>;
+		};
+
+		vreg_l9a: l9 {
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <2000000>;
+		};
+
+		vreg_l10a: l10 {
+			regulator-min-microvolt = <1704000>;
+			regulator-max-microvolt = <1904000>;
+		};
+
+		vreg_l11a: l11 {
+			regulator-min-microvolt = <1704000>;
+			regulator-max-microvolt = <1952000>;
+		};
+
+		vreg_l12a: l12 {
+			regulator-min-microvolt = <1624000>;
+			regulator-max-microvolt = <1984000>;
+		};
+
+		vreg_l13a: l13 {
+			regulator-min-microvolt = <1504000>;
+			regulator-max-microvolt = <1952000>;
+		};
+
+		vreg_l14a: l14 {
+			regulator-min-microvolt = <1704000>;
+			regulator-max-microvolt = <1904000>;
+		};
+
+		vreg_l15a: l15 {
+			regulator-min-microvolt = <2920000>;
+			regulator-max-microvolt = <3232000>;
+		};
+
+		vreg_l16a: l16 {
+			regulator-min-microvolt = <1704000>;
+			regulator-max-microvolt = <1904000>;
+		};
+
+		vreg_l17a: l17 {
+			regulator-min-microvolt = <1152000>;
+			regulator-max-microvolt = <1304000>;
+		};
+
+		vreg_l18a: l18 {
+			regulator-min-microvolt = <1104000>;
+			regulator-max-microvolt = <1304000>;
+		};
+
+		vreg_l19a: l19 {
+			regulator-min-microvolt = <1624000>;
+			regulator-max-microvolt = <3304000>;
+		};
+
+		vreg_l20a: l20 {
+			regulator-min-microvolt = <1624000>;
+			regulator-max-microvolt = <3304000>;
+		};
+
+		vreg_l21a: l21 {
+			regulator-min-microvolt = <2400000>;
+			regulator-max-microvolt = <3544000>;
+		};
+
+		vreg_l22a: l22 {
+			regulator-min-microvolt = <2952000>;
+			regulator-max-microvolt = <3304000>;
+		};
+
+		vreg_l23a: l23 {
+			regulator-min-microvolt = <3296000>;
+			regulator-max-microvolt = <3304000>;
+		};
+
+		vreg_l24a: l24 {
+			regulator-min-microvolt = <2704000>;
+			regulator-max-microvolt = <3544000>;
+		};
+	};
+};
+
+&sleep_clk {
+	clock-frequency = <32764>;
+};
+
+&sdhc_2 {
+	vmmc-supply = <&vreg_l22a>;
+	vqmmc-supply = <&vreg_l5a>;
+
+	cd-gpios = <&tlmm 88 GPIO_ACTIVE_HIGH>;
+
+	status = "okay";
+};
+
+&tlmm {
+	gpio-reserved-ranges = <14 4>;
+};
+
+&ufs_mem_hc {
+	vcc-supply = <&vreg_l24a>;
+	vcc-max-microamp = <600000>;
+	vccq2-supply = <&vreg_l11a>;
+	vccq2-max-microamp = <600000>;
+	status = "okay";
+};
+
+&ufs_mem_phy {
+	vdda-phy-supply = <&vreg_l4a>;
+	vdda-pll-supply = <&vreg_l12a>;
+	vddp-ref-clk-supply = <&vreg_l18a>;
+	status = "okay";
+};
+
+&usb_1 {
+	status = "okay";
+};
+
+&usb_1_hsphy {
+	vdd-supply = <&vreg_l4a>;
+	vdda-pll-supply = <&vreg_l12a>;
+	vdda-phy-dpdm-supply = <&vreg_l15a>;
+	status = "okay";
+};
+
+&xo_board {
+	clock-frequency = <19200000>;
+};