[U-Boot] [RFC PATCH 5/8] arm: actions: add S700 SoC device tree

Amit Singh Tomar amittomer25 at gmail.com
Thu Jan 3 13:26:20 UTC 2019


This patch adds .dtsi file(sync with Linux 4.20) and required binding
for S700 SoC that is a 64-bit Quad-core ARM Cortex-A53 cores.

Signed-off-by: Amit Singh Tomar <amittomer25 at gmail.com>
---
 arch/arm/dts/s700.dtsi                       | 193 +++++++++++++++++++++++++++
 include/dt-bindings/clock/actions,s700-cmu.h | 118 ++++++++++++++++
 2 files changed, 311 insertions(+)
 create mode 100644 arch/arm/dts/s700.dtsi
 create mode 100644 include/dt-bindings/clock/actions,s700-cmu.h

diff --git a/arch/arm/dts/s700.dtsi b/arch/arm/dts/s700.dtsi
new file mode 100644
index 0000000..a74c75a
--- /dev/null
+++ b/arch/arm/dts/s700.dtsi
@@ -0,0 +1,193 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2017 Andreas Färber
+ */
+
+#include <dt-bindings/clock/actions,s700-cmu.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+
+/ {
+	compatible = "actions,s700";
+	interrupt-parent = <&gic>;
+	#address-cells = <2>;
+	#size-cells = <2>;
+
+	cpus {
+		#address-cells = <2>;
+		#size-cells = <0>;
+
+		cpu0: cpu at 0 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a53", "arm,armv8";
+			reg = <0x0 0x0>;
+			enable-method = "psci";
+		};
+
+		cpu1: cpu at 1 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a53", "arm,armv8";
+			reg = <0x0 0x1>;
+			enable-method = "psci";
+		};
+
+		cpu2: cpu at 2 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a53", "arm,armv8";
+			reg = <0x0 0x2>;
+			enable-method = "psci";
+		};
+
+		cpu3: cpu at 3 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a53", "arm,armv8";
+			reg = <0x0 0x3>;
+			enable-method = "psci";
+		};
+	};
+
+	reserved-memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		secmon at 1f000000 {
+			reg = <0x0 0x1f000000 0x0 0x1000000>;
+			no-map;
+		};
+	};
+
+	psci {
+		compatible = "arm,psci-0.2";
+		method = "smc";
+	};
+
+	arm-pmu {
+		compatible = "arm,cortex-a53-pmu";
+		interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>,
+		             <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>,
+		             <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>,
+		             <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-affinity = <&cpu0>, <&cpu1>, <&cpu2>, <&cpu3>;
+	};
+
+	timer {
+		compatible = "arm,armv8-timer";
+		interrupts = <GIC_PPI 13
+			(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+			     <GIC_PPI 14
+			(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+			     <GIC_PPI 11
+			(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+			     <GIC_PPI 10
+			(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>;
+	};
+
+	hosc: hosc {
+		compatible = "fixed-clock";
+		clock-frequency = <24000000>;
+		#clock-cells = <0>;
+	};
+
+	losc: losc {
+		compatible = "fixed-clock";
+		clock-frequency = <32768>;
+		#clock-cells = <0>;
+	};
+
+	soc {
+		u-boot,dm-pre-reloc;
+		compatible = "simple-bus";
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		gic: interrupt-controller at e00f1000 {
+			compatible = "arm,gic-400";
+			reg = <0x0 0xe00f1000 0x0 0x1000>,
+			      <0x0 0xe00f2000 0x0 0x2000>,
+			      <0x0 0xe00f4000 0x0 0x2000>,
+			      <0x0 0xe00f6000 0x0 0x2000>;
+			interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>;
+			interrupt-controller;
+			#interrupt-cells = <3>;
+		};
+
+		uart0: serial at e0120000 {
+			compatible = "actions,s900-uart", "actions,owl-uart";
+			reg = <0x0 0xe0120000 0x0 0x2000>;
+			clocks = <&cmu CLK_UART0>;
+			interrupts = <GIC_SPI 29 IRQ_TYPE_LEVEL_HIGH>;
+			status = "disabled";
+		};
+
+		uart1: serial at e0122000 {
+			compatible = "actions,s900-uart", "actions,owl-uart";
+			reg = <0x0 0xe0122000 0x0 0x2000>;
+			clocks = <&cmu CLK_UART1>;
+			interrupts = <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>;
+			status = "disabled";
+		};
+
+		uart2: serial at e0124000 {
+			compatible = "actions,s900-uart", "actions,owl-uart";
+			reg = <0x0 0xe0124000 0x0 0x2000>;
+			clocks = <&cmu CLK_UART2>;
+			interrupts = <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>;
+			status = "disabled";
+		};
+
+		uart3: serial at e0126000 {
+			u-boot,dm-pre-reloc;
+			compatible = "actions,s900-uart", "actions,owl-uart";
+			reg = <0x0 0xe0126000 0x0 0x2000>;
+			clocks = <&cmu CLK_UART3>;
+			interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
+			status = "disabled";
+		};
+
+		uart4: serial at e0128000 {
+			compatible = "actions,s900-uart", "actions,owl-uart";
+			reg = <0x0 0xe0128000 0x0 0x2000>;
+			clocks = <&cmu CLK_UART4>;
+			interrupts = <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>;
+			status = "disabled";
+		};
+
+		uart5: serial at e012a000 {
+			compatible = "actions,s900-uart", "actions,owl-uart";
+			reg = <0x0 0xe012a000 0x0 0x2000>;
+			clocks = <&cmu CLK_UART5>;
+			interrupts = <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>;
+			status = "disabled";
+		};
+
+		uart6: serial at e012c000 {
+			compatible = "actions,s900-uart", "actions,owl-uart";
+			reg = <0x0 0xe012c000 0x0 0x2000>;
+			clocks = <&cmu CLK_UART6>;
+			interrupts = <GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>;
+			status = "disabled";
+		};
+
+		cmu: clock-controller at e0168000 {
+			u-boot,dm-pre-reloc;
+			compatible = "actions,s700-cmu";
+			reg = <0x0 0xe0168000 0x0 0x1000>;
+			clocks = <&hosc>, <&losc>;
+			#clock-cells = <1>;
+		};
+
+		sps: power-controller at e01b0100 {
+			compatible = "actions,s700-sps";
+			reg = <0x0 0xe01b0100 0x0 0x100>;
+			#power-domain-cells = <1>;
+		};
+
+		timer: timer at e024c000 {
+			compatible = "actions,s700-timer";
+			reg = <0x0 0xe024c000 0x0 0x4000>;
+			interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "timer1";
+		};
+	};
+};
diff --git a/include/dt-bindings/clock/actions,s700-cmu.h b/include/dt-bindings/clock/actions,s700-cmu.h
new file mode 100644
index 0000000..3e19429
--- /dev/null
+++ b/include/dt-bindings/clock/actions,s700-cmu.h
@@ -0,0 +1,118 @@
+/* SPDX-License-Identifier: GPL-2.0
+ *
+ * Device Tree binding constants for Actions Semi S700 Clock Management Unit
+ *
+ * Copyright (c) 2014 Actions Semi Inc.
+ * Author: David Liu <liuwei at actions-semi.com>
+ *
+ * Author: Pathiban Nallathambi <pn at denx.de>
+ * Author: Saravanan Sekar <sravanhome at gmail.com>
+ */
+
+#ifndef __DT_BINDINGS_CLOCK_S700_H
+#define __DT_BINDINGS_CLOCK_S700_H
+
+#define CLK_NONE			0
+
+/* pll clocks */
+#define CLK_CORE_PLL			1
+#define CLK_DEV_PLL			2
+#define CLK_DDR_PLL			3
+#define CLK_NAND_PLL			4
+#define CLK_DISPLAY_PLL			5
+#define CLK_TVOUT_PLL			6
+#define CLK_CVBS_PLL			7
+#define CLK_AUDIO_PLL			8
+#define CLK_ETHERNET_PLL		9
+
+/* system clock */
+#define CLK_CPU				10
+#define CLK_DEV				11
+#define CLK_AHB				12
+#define CLK_APB				13
+#define CLK_DMAC			14
+#define CLK_NOC0_CLK_MUX		15
+#define CLK_NOC1_CLK_MUX		16
+#define CLK_HP_CLK_MUX			17
+#define CLK_HP_CLK_DIV			18
+#define CLK_NOC1_CLK_DIV		19
+#define CLK_NOC0			20
+#define CLK_NOC1			21
+#define CLK_SENOR_SRC			22
+
+/* peripheral device clock */
+#define CLK_GPIO			23
+#define CLK_TIMER			24
+#define CLK_DSI				25
+#define CLK_CSI				26
+#define CLK_SI				27
+#define CLK_DE				28
+#define CLK_HDE				29
+#define CLK_VDE				30
+#define CLK_VCE				31
+#define CLK_NAND			32
+#define CLK_SD0				33
+#define CLK_SD1				34
+#define CLK_SD2				35
+
+#define CLK_UART0			36
+#define CLK_UART1			37
+#define CLK_UART2			38
+#define CLK_UART3			39
+#define CLK_UART4			40
+#define CLK_UART5			41
+#define CLK_UART6			42
+
+#define CLK_PWM0			43
+#define CLK_PWM1			44
+#define CLK_PWM2			45
+#define CLK_PWM3			46
+#define CLK_PWM4			47
+#define CLK_PWM5			48
+#define CLK_GPU3D			49
+
+#define CLK_I2C0			50
+#define CLK_I2C1			51
+#define CLK_I2C2			52
+#define CLK_I2C3			53
+
+#define CLK_SPI0			54
+#define CLK_SPI1			55
+#define CLK_SPI2			56
+#define CLK_SPI3			57
+
+#define CLK_USB3_480MPLL0		58
+#define CLK_USB3_480MPHY0		59
+#define CLK_USB3_5GPHY			60
+#define CLK_USB3_CCE			61
+#define CLK_USB3_MAC			62
+
+#define CLK_LCD				63
+#define CLK_HDMI_AUDIO			64
+#define CLK_I2SRX			65
+#define CLK_I2STX			66
+
+#define CLK_SENSOR0			67
+#define CLK_SENSOR1			68
+
+#define CLK_HDMI_DEV			69
+
+#define CLK_ETHERNET			70
+#define CLK_RMII_REF			71
+
+#define CLK_USB2H0_PLLEN		72
+#define CLK_USB2H0_PHY			73
+#define CLK_USB2H0_CCE			74
+#define CLK_USB2H1_PLLEN		75
+#define CLK_USB2H1_PHY			76
+#define CLK_USB2H1_CCE			77
+
+#define CLK_TVOUT			78
+
+#define CLK_THERMAL_SENSOR		79
+
+#define CLK_IRC_SWITCH			80
+#define CLK_PCM1			81
+#define CLK_NR_CLKS			(CLK_PCM1 + 1)
+
+#endif /* __DT_BINDINGS_CLOCK_S700_H */
-- 
2.7.4



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