ARM: qcom: Add initial IPQ8064 SoC and AP148 device trees

Add basic IPQ8064 SoC include device tree and support for basic booting on
the AP148 Reference board with support for UART, I2C, and SPI.

Signed-off-by: Kumar Gala <galak@codeaurora.org>

4 files changed, 337 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index b8c5cd3ddeb9..a097a042bdb3 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -342,6 +342,7 @@ dtb-$(CONFIG_ARCH_QCOM) += \
 	qcom-apq8064-ifc6410.dtb \
 	qcom-apq8074-dragonboard.dtb \
 	qcom-apq8084-mtp.dtb \
+	qcom-ipq8064-ap148.dtb \
 	qcom-msm8660-surf.dtb \
 	qcom-msm8960-cdp.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += \
diff --git a/arch/arm/boot/dts/qcom-ipq8064-ap148.dts b/arch/arm/boot/dts/qcom-ipq8064-ap148.dts
new file mode 100644
index 000000000000..95e64955fb8e
--- /dev/null
+++ b/arch/arm/boot/dts/qcom-ipq8064-ap148.dts
@@ -0,0 +1,85 @@
+#include "qcom-ipq8064-v1.0.dtsi"
+
+/ {
+	model = "Qualcomm IPQ8064/AP148";
+	compatible = "qcom,ipq8064-ap148", "qcom,ipq8064";
+
+	reserved-memory {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+		rsvd@41200000 {
+			reg = <0x41200000 0x300000>;
+			no-map;
+		};
+	};
+
+	soc {
+		pinmux@800000 {
+			i2c4_pins: i2c4_pinmux {
+				pins = "gpio12", "gpio13";
+				function = "gsbi4";
+				bias-disable;
+			};
+
+			spi_pins: spi_pins {
+				mux {
+					pins = "gpio18", "gpio19", "gpio21";
+					function = "gsbi5";
+					drive-strength = <10>;
+					bias-none;
+				};
+			};
+		};
+
+		gsbi@16300000 {
+			qcom,mode = <GSBI_PROT_I2C_UART>;
+			status = "ok";
+			serial@16340000 {
+				status = "ok";
+			};
+
+			i2c4: i2c@16380000 {
+				status = "ok";
+
+				clock-frequency = <200000>;
+
+				pinctrl-0 = <&i2c4_pins>;
+				pinctrl-names = "default";
+			};
+		};
+
+		gsbi5: gsbi@1a200000 {
+			qcom,mode = <GSBI_PROT_SPI>;
+			status = "ok";
+
+			spi4: spi@1a280000 {
+				status = "ok";
+				spi-max-frequency = <50000000>;
+
+				pinctrl-0 = <&spi_pins>;
+				pinctrl-names = "default";
+
+				cs-gpios = <&qcom_pinmux 20 0>;
+
+				flash: m25p80@0 {
+					compatible = "s25fl256s1";
+					#address-cells = <1>;
+					#size-cells = <1>;
+					spi-max-frequency = <50000000>;
+					reg = <0>;
+
+					partition@0 {
+						label = "rootfs";
+						reg = <0x0 0x1000000>;
+					};
+
+					partition@1 {
+						label = "scratch";
+						reg = <0x1000000 0x1000000>;
+					};
+				};
+			};
+		};
+	};
+};
diff --git a/arch/arm/boot/dts/qcom-ipq8064-v1.0.dtsi b/arch/arm/boot/dts/qcom-ipq8064-v1.0.dtsi
new file mode 100644
index 000000000000..7093b075e408
--- /dev/null
+++ b/arch/arm/boot/dts/qcom-ipq8064-v1.0.dtsi
@@ -0,0 +1 @@
+#include "qcom-ipq8064.dtsi"
diff --git a/arch/arm/boot/dts/qcom-ipq8064.dtsi b/arch/arm/boot/dts/qcom-ipq8064.dtsi
new file mode 100644
index 000000000000..244f857f0e6f
--- /dev/null
+++ b/arch/arm/boot/dts/qcom-ipq8064.dtsi
@@ -0,0 +1,250 @@
+/dts-v1/;
+
+#include "skeleton.dtsi"
+#include <dt-bindings/clock/qcom,gcc-ipq806x.h>
+#include <dt-bindings/soc/qcom,gsbi.h>
+
+/ {
+	model = "Qualcomm IPQ8064";
+	compatible = "qcom,ipq8064";
+	interrupt-parent = <&intc>;
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		cpu@0 {
+			compatible = "qcom,krait";
+			enable-method = "qcom,kpss-acc-v1";
+			device_type = "cpu";
+			reg = <0>;
+			next-level-cache = <&L2>;
+			qcom,acc = <&acc0>;
+			qcom,saw = <&saw0>;
+		};
+
+		cpu@1 {
+			compatible = "qcom,krait";
+			enable-method = "qcom,kpss-acc-v1";
+			device_type = "cpu";
+			reg = <1>;
+			next-level-cache = <&L2>;
+			qcom,acc = <&acc1>;
+			qcom,saw = <&saw1>;
+		};
+
+		L2: l2-cache {
+			compatible = "cache";
+			cache-level = <2>;
+		};
+	};
+
+	cpu-pmu {
+		compatible = "qcom,krait-pmu";
+		interrupts = <1 10 0x304>;
+	};
+
+	reserved-memory {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		nss@40000000 {
+			reg = <0x40000000 0x1000000>;
+			no-map;
+		};
+
+		smem@41000000 {
+			reg = <0x41000000 0x200000>;
+			no-map;
+		};
+	};
+
+	soc: soc {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+		compatible = "simple-bus";
+
+		qcom_pinmux: pinmux@800000 {
+			compatible = "qcom,ipq8064-pinctrl";
+			reg = <0x800000 0x4000>;
+
+			gpio-controller;
+			#gpio-cells = <2>;
+			interrupt-controller;
+			#interrupt-cells = <2>;
+			interrupts = <0 32 0x4>;
+		};
+
+		intc: interrupt-controller@2000000 {
+			compatible = "qcom,msm-qgic2";
+			interrupt-controller;
+			#interrupt-cells = <3>;
+			reg = <0x02000000 0x1000>,
+			      <0x02002000 0x1000>;
+		};
+
+		timer@200a000 {
+			compatible = "qcom,kpss-timer", "qcom,msm-timer";
+			interrupts = <1 1 0x301>,
+				     <1 2 0x301>,
+				     <1 3 0x301>;
+			reg = <0x0200a000 0x100>;
+			clock-frequency = <25000000>,
+					  <32768>;
+			cpu-offset = <0x80000>;
+		};
+
+		acc0: clock-controller@2088000 {
+			compatible = "qcom,kpss-acc-v1";
+			reg = <0x02088000 0x1000>, <0x02008000 0x1000>;
+		};
+
+		acc1: clock-controller@2098000 {
+			compatible = "qcom,kpss-acc-v1";
+			reg = <0x02098000 0x1000>, <0x02008000 0x1000>;
+		};
+
+		saw0: regulator@2089000 {
+			compatible = "qcom,saw2";
+			reg = <0x02089000 0x1000>, <0x02009000 0x1000>;
+			regulator;
+		};
+
+		saw1: regulator@2099000 {
+			compatible = "qcom,saw2";
+			reg = <0x02099000 0x1000>, <0x02009000 0x1000>;
+			regulator;
+		};
+
+		gsbi2: gsbi@12480000 {
+			compatible = "qcom,gsbi-v1.0.0";
+			reg = <0x12480000 0x100>;
+			clocks = <&gcc GSBI2_H_CLK>;
+			clock-names = "iface";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges;
+			status = "disabled";
+
+			serial@12490000 {
+				compatible = "qcom,msm-uartdm-v1.3", "qcom,msm-uartdm";
+				reg = <0x12490000 0x1000>,
+				      <0x12480000 0x1000>;
+				interrupts = <0 195 0x0>;
+				clocks = <&gcc GSBI2_UART_CLK>, <&gcc GSBI2_H_CLK>;
+				clock-names = "core", "iface";
+				status = "disabled";
+			};
+
+			i2c@124a0000 {
+				compatible = "qcom,i2c-qup-v1.1.1";
+				reg = <0x124a0000 0x1000>;
+				interrupts = <0 196 0>;
+
+				clocks = <&gcc GSBI2_QUP_CLK>, <&gcc GSBI2_H_CLK>;
+				clock-names = "core", "iface";
+				status = "disabled";
+
+				#address-cells = <1>;
+				#size-cells = <0>;
+			};
+
+		};
+
+		gsbi4: gsbi@16300000 {
+			compatible = "qcom,gsbi-v1.0.0";
+			reg = <0x16300000 0x100>;
+			clocks = <&gcc GSBI4_H_CLK>;
+			clock-names = "iface";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges;
+			status = "disabled";
+
+			serial@16340000 {
+				compatible = "qcom,msm-uartdm-v1.3", "qcom,msm-uartdm";
+				reg = <0x16340000 0x1000>,
+				      <0x16300000 0x1000>;
+				interrupts = <0 152 0x0>;
+				clocks = <&gcc GSBI4_UART_CLK>, <&gcc GSBI4_H_CLK>;
+				clock-names = "core", "iface";
+				status = "disabled";
+			};
+
+			i2c@16380000 {
+				compatible = "qcom,i2c-qup-v1.1.1";
+				reg = <0x16380000 0x1000>;
+				interrupts = <0 153 0>;
+
+				clocks = <&gcc GSBI4_QUP_CLK>, <&gcc GSBI4_H_CLK>;
+				clock-names = "core", "iface";
+				status = "disabled";
+
+				#address-cells = <1>;
+				#size-cells = <0>;
+			};
+		};
+
+		gsbi5: gsbi@1a200000 {
+			compatible = "qcom,gsbi-v1.0.0";
+			reg = <0x1a200000 0x100>;
+			clocks = <&gcc GSBI5_H_CLK>;
+			clock-names = "iface";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges;
+			status = "disabled";
+
+			serial@1a240000 {
+				compatible = "qcom,msm-uartdm-v1.3", "qcom,msm-uartdm";
+				reg = <0x1a240000 0x1000>,
+				      <0x1a200000 0x1000>;
+				interrupts = <0 154 0x0>;
+				clocks = <&gcc GSBI5_UART_CLK>, <&gcc GSBI5_H_CLK>;
+				clock-names = "core", "iface";
+				status = "disabled";
+			};
+
+			i2c@1a280000 {
+				compatible = "qcom,i2c-qup-v1.1.1";
+				reg = <0x1a280000 0x1000>;
+				interrupts = <0 155 0>;
+
+				clocks = <&gcc GSBI5_QUP_CLK>, <&gcc GSBI5_H_CLK>;
+				clock-names = "core", "iface";
+				status = "disabled";
+
+				#address-cells = <1>;
+				#size-cells = <0>;
+			};
+
+			spi@1a280000 {
+				compatible = "qcom,spi-qup-v1.1.1";
+				reg = <0x1a280000 0x1000>;
+				interrupts = <0 155 0>;
+
+				clocks = <&gcc GSBI5_QUP_CLK>, <&gcc GSBI5_H_CLK>;
+				clock-names = "core", "iface";
+				status = "disabled";
+
+				#address-cells = <1>;
+				#size-cells = <0>;
+			};
+		};
+
+		qcom,ssbi@500000 {
+			compatible = "qcom,ssbi";
+			reg = <0x00500000 0x1000>;
+			qcom,controller-type = "pmic-arbiter";
+		};
+
+		gcc: clock-controller@900000 {
+			compatible = "qcom,gcc-ipq8064";
+			reg = <0x00900000 0x4000>;
+			#clock-cells = <1>;
+			#reset-cells = <1>;
+		};
+	};
+};