new file mode 100644
@@ -0,0 +1,147 @@
+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * Copyright (c) 2020, The Linux Foundation. All rights reserved.
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/clock/qcom,gcc-msm8974.h>
+
+/ {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ interrupt-parent = <&intc>;
+
+ chosen { };
+
+ memory@0 {
+ device_type = "memory";
+ reg = <0x0 0x0>;
+ };
+
+ soc: soc {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+
+ intc: interrupt-controller@f9000000 {
+ compatible = "qcom,msm-qgic2";
+ reg = <0xf9000000 0x1000>,
+ <0xf9002000 0x1000>;
+ interrupt-controller;
+ #interrupt-cells = <3>;
+ };
+
+ gcc: clock-controller@fc400000 {
+ compatible = "qcom,gcc-msm8226";
+ reg = <0xfc400000 0x4000>;
+ #clock-cells = <1>;
+ #reset-cells = <1>;
+ #power-domain-cells = <1>;
+ };
+
+ tlmm: pinctrl@fd510000 {
+ compatible = "qcom,msm8226-pinctrl";
+ reg = <0xfd510000 0x4000>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ gpio-ranges = <&tlmm 0 0 117>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
+ };
+
+ blsp1_uart3: serial@f991f000 {
+ compatible = "qcom,msm-uartdm-v1.4", "qcom,msm-uartdm";
+ reg = <0xf991f000 0x1000>;
+ interrupts = <GIC_SPI 109 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&gcc GCC_BLSP1_UART3_APPS_CLK>, <&gcc GCC_BLSP1_AHB_CLK>;
+ clock-names = "core", "iface";
+ status = "disabled";
+ };
+
+ restart@fc4ab000 {
+ compatible = "qcom,pshold";
+ reg = <0xfc4ab000 0x4>;
+ };
+
+ rng@f9bff000 {
+ compatible = "qcom,prng";
+ reg = <0xf9bff000 0x200>;
+ clocks = <&gcc GCC_PRNG_AHB_CLK>;
+ clock-names = "core";
+ };
+
+ timer@f9020000 {
+ compatible = "arm,armv7-timer-mem";
+ reg = <0xf9020000 0x1000>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+
+ frame@f9021000 {
+ frame-number = <0>;
+ interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
+ reg = <0xf9021000 0x1000>,
+ <0xf9022000 0x1000>;
+ };
+
+ frame@f9023000 {
+ frame-number = <1>;
+ interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>;
+ reg = <0xf9023000 0x1000>;
+ status = "disabled";
+ };
+
+ frame@f9024000 {
+ frame-number = <2>;
+ interrupts = <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>;
+ reg = <0xf9024000 0x1000>;
+ status = "disabled";
+ };
+
+ frame@f9025000 {
+ frame-number = <3>;
+ interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>;
+ reg = <0xf9025000 0x1000>;
+ status = "disabled";
+ };
+
+ frame@f9026000 {
+ frame-number = <4>;
+ interrupts = <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>;
+ reg = <0xf9026000 0x1000>;
+ status = "disabled";
+ };
+
+ frame@f9027000 {
+ frame-number = <5>;
+ interrupts = <GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>;
+ reg = <0xf9027000 0x1000>;
+ status = "disabled";
+ };
+
+ frame@f9028000 {
+ frame-number = <6>;
+ interrupts = <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>;
+ reg = <0xf9028000 0x1000>;
+ status = "disabled";
+ };
+ };
+ };
+
+ timer {
+ compatible = "arm,armv7-timer";
+ interrupts = <GIC_PPI 2
+ (GIC_CPU_MASK_RAW(15) | IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 3
+ (GIC_CPU_MASK_RAW(15) | IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 4
+ (GIC_CPU_MASK_RAW(15) | IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 1
+ (GIC_CPU_MASK_RAW(15) | IRQ_TYPE_LEVEL_LOW)>;
+ };
+};
Implement basic device tree support for MSM8226 SoC which belongs to the Snapdragon 400 family. For now, this file adds the basic nodes like gcc, pinctrl and other required configuration for booting up to the serial console. Signed-off-by: Bartosz Dudziak <bartosz.dudziak@snejp.pl> --- arch/arm/boot/dts/qcom-msm8226.dtsi | 147 ++++++++++++++++++++++++++++ 1 file changed, 147 insertions(+) create mode 100644 arch/arm/boot/dts/qcom-msm8226.dtsi