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

Manivannan Sadhasivam manivannan.sadhasivam at linaro.org
Sat Jan 5 18:41:32 UTC 2019


On Thu, Jan 03, 2019 at 06:56:20PM +0530, Amit Singh Tomar wrote:
> 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;

It would be best to keep this DTS unchanged with Linux and add the
u-boot specific bits in -u-boot.dtsi.

> +			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;

Same as above comment.

Thanks,
Mani

> +			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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