[PATCH v9 9/9] arm64: dts: mediatek: Initial mt8365-evk support

Alexandre Mergnat amergnat at baylibre.com
Wed Feb 22 00:17:39 PST 2023


Hi Matthias,

This is a gentle ping to know if you can take this patch please.
Sorry for the double mail, I screwed up the first send.

Best regards,
Alex

On 25/01/2023 15:35, Bernhard Rosenkränzer wrote:
> From: Fabien Parent <fparent at baylibre.com>
> 
> This adds minimal support for the Mediatek 8365 SOC and the EVK reference
> board, allowing the board to boot to initramfs with serial port I/O.
> 
> Signed-off-by: Fabien Parent <fparent at baylibre.com>
> [bero at baylibre.com: Removed parts depending on drivers that aren't upstream yet, cleanups, add CPU cache layout, add systimer, fix GIC]
> Signed-off-by: Bernhard Rosenkränzer <bero at baylibre.com>
> Tested-by: Kevin Hilman <khilman at baylibre.com>
> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>
> ---
>   arch/arm64/boot/dts/mediatek/Makefile       |   1 +
>   arch/arm64/boot/dts/mediatek/mt8365-evk.dts | 168 +++++++++
>   arch/arm64/boot/dts/mediatek/mt8365.dtsi    | 377 ++++++++++++++++++++
>   3 files changed, 546 insertions(+)
>   create mode 100644 arch/arm64/boot/dts/mediatek/mt8365-evk.dts
>   create mode 100644 arch/arm64/boot/dts/mediatek/mt8365.dtsi
> 
> diff --git a/arch/arm64/boot/dts/mediatek/Makefile b/arch/arm64/boot/dts/mediatek/Makefile
> index 813e735c5b96d..d78523c5a7dd6 100644
> --- a/arch/arm64/boot/dts/mediatek/Makefile
> +++ b/arch/arm64/boot/dts/mediatek/Makefile
> @@ -47,4 +47,5 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += mt8195-cherry-tomato-r2.dtb
>   dtb-$(CONFIG_ARCH_MEDIATEK) += mt8195-cherry-tomato-r3.dtb
>   dtb-$(CONFIG_ARCH_MEDIATEK) += mt8195-demo.dtb
>   dtb-$(CONFIG_ARCH_MEDIATEK) += mt8195-evb.dtb
> +dtb-$(CONFIG_ARCH_MEDIATEK) += mt8365-evk.dtb
>   dtb-$(CONFIG_ARCH_MEDIATEK) += mt8516-pumpkin.dtb
> diff --git a/arch/arm64/boot/dts/mediatek/mt8365-evk.dts b/arch/arm64/boot/dts/mediatek/mt8365-evk.dts
> new file mode 100644
> index 0000000000000..4683704ea2355
> --- /dev/null
> +++ b/arch/arm64/boot/dts/mediatek/mt8365-evk.dts
> @@ -0,0 +1,168 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Copyright (c) 2021-2022 BayLibre, SAS.
> + * Authors:
> + * Fabien Parent <fparent at baylibre.com>
> + * Bernhard Rosenkränzer <bero at baylibre.com>
> + */
> +
> +/dts-v1/;
> +
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/input.h>
> +#include <dt-bindings/pinctrl/mt8365-pinfunc.h>
> +#include "mt8365.dtsi"
> +
> +/ {
> +	model = "MediaTek MT8365 Open Platform EVK";
> +	compatible = "mediatek,mt8365-evk", "mediatek,mt8365";
> +
> +	aliases {
> +		serial0 = &uart0;
> +	};
> +
> +	chosen {
> +		stdout-path = "serial0:921600n8";
> +	};
> +
> +	firmware {
> +		optee {
> +			compatible = "linaro,optee-tz";
> +			method = "smc";
> +		};
> +	};
> +
> +	gpio-keys {
> +		compatible = "gpio-keys";
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&gpio_keys>;
> +
> +		key-volume-up {
> +			gpios = <&pio 24 GPIO_ACTIVE_LOW>;
> +			label = "volume_up";
> +			linux,code = <KEY_VOLUMEUP>;
> +			wakeup-source;
> +			debounce-interval = <15>;
> +		};
> +	};
> +
> +	memory at 40000000 {
> +		device_type = "memory";
> +		reg = <0 0x40000000 0 0xc0000000>;
> +	};
> +
> +	usb_otg_vbus: regulator-0 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "otg_vbus";
> +		regulator-min-microvolt = <5000000>;
> +		regulator-max-microvolt = <5000000>;
> +		gpio = <&pio 16 GPIO_ACTIVE_HIGH>;
> +		enable-active-high;
> +	};
> +
> +	reserved-memory {
> +		#address-cells = <2>;
> +		#size-cells = <2>;
> +		ranges;
> +
> +		/* 128 KiB reserved for ARM Trusted Firmware (BL31) */
> +		bl31_secmon_reserved: secmon at 43000000 {
> +			no-map;
> +			reg = <0 0x43000000 0 0x20000>;
> +		};
> +
> +		/* 12 MiB reserved for OP-TEE (BL32)
> +		 * +-----------------------+ 0x43e0_0000
> +		 * |      SHMEM 2MiB       |
> +		 * +-----------------------+ 0x43c0_0000
> +		 * |        | TA_RAM  8MiB |
> +		 * + TZDRAM +--------------+ 0x4340_0000
> +		 * |        | TEE_RAM 2MiB |
> +		 * +-----------------------+ 0x4320_0000
> +		 */
> +		optee_reserved: optee at 43200000 {
> +			no-map;
> +			reg = <0 0x43200000 0 0x00c00000>;
> +		};
> +	};
> +};
> +
> +&pio {
> +	gpio_keys: gpio-keys-pins {
> +		pins {
> +			pinmux = <MT8365_PIN_24_KPCOL0__FUNC_KPCOL0>;
> +			bias-pull-up;
> +			input-enable;
> +		};
> +	};
> +
> +	uart0_pins: uart0-pins {
> +		pins {
> +			pinmux = <MT8365_PIN_35_URXD0__FUNC_URXD0>,
> +				 <MT8365_PIN_36_UTXD0__FUNC_UTXD0>;
> +		};
> +	};
> +
> +	uart1_pins: uart1-pins {
> +		pins {
> +			pinmux = <MT8365_PIN_37_URXD1__FUNC_URXD1>,
> +				 <MT8365_PIN_38_UTXD1__FUNC_UTXD1>;
> +		};
> +	};
> +
> +	uart2_pins: uart2-pins {
> +		pins {
> +			pinmux = <MT8365_PIN_39_URXD2__FUNC_URXD2>,
> +				 <MT8365_PIN_40_UTXD2__FUNC_UTXD2>;
> +		};
> +	};
> +
> +	usb_pins: usb-pins {
> +		id-pins {
> +			pinmux = <MT8365_PIN_17_GPIO17__FUNC_GPIO17>;
> +			input-enable;
> +			bias-pull-up;
> +		};
> +
> +		usb0-vbus-pins {
> +			pinmux = <MT8365_PIN_16_GPIO16__FUNC_USB_DRVVBUS>;
> +			output-high;
> +		};
> +
> +		usb1-vbus-pins {
> +			pinmux = <MT8365_PIN_18_GPIO18__FUNC_GPIO18>;
> +			output-high;
> +		};
> +	};
> +
> +	pwm_pins: pwm-pins {
> +		pins {
> +			pinmux = <MT8365_PIN_19_DISP_PWM__FUNC_PWM_A>,
> +				 <MT8365_PIN_116_I2S_BCK__FUNC_PWM_C>;
> +		};
> +	};
> +};
> +
> +&pwm {
> +	pinctrl-0 = <&pwm_pins>;
> +	pinctrl-names = "default";
> +	status = "okay";
> +};
> +
> +&uart0 {
> +	pinctrl-0 = <&uart0_pins>;
> +	pinctrl-names = "default";
> +	status = "okay";
> +};
> +
> +&uart1 {
> +	pinctrl-0 = <&uart1_pins>;
> +	pinctrl-names = "default";
> +	status = "okay";
> +};
> +
> +&uart2 {
> +	pinctrl-0 = <&uart2_pins>;
> +	pinctrl-names = "default";
> +	status = "okay";
> +};
> diff --git a/arch/arm64/boot/dts/mediatek/mt8365.dtsi b/arch/arm64/boot/dts/mediatek/mt8365.dtsi
> new file mode 100644
> index 0000000000000..15ac4c1f09661
> --- /dev/null
> +++ b/arch/arm64/boot/dts/mediatek/mt8365.dtsi
> @@ -0,0 +1,377 @@
> +// SPDX-License-Identifier: (GPL-2.0 OR MIT)
> +/*
> + * (C) 2018 MediaTek Inc.
> + * Copyright (C) 2022 BayLibre SAS
> + * Fabien Parent <fparent at baylibre.com>
> + * Bernhard Rosenkränzer <bero at baylibre.com>
> + */
> +#include <dt-bindings/clock/mediatek,mt8365-clk.h>
> +#include <dt-bindings/interrupt-controller/arm-gic.h>
> +#include <dt-bindings/interrupt-controller/irq.h>
> +#include <dt-bindings/phy/phy.h>
> +
> +/ {
> +	compatible = "mediatek,mt8365";
> +	interrupt-parent = <&sysirq>;
> +	#address-cells = <2>;
> +	#size-cells = <2>;
> +
> +	cpus {
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +
> +		cpu-map {
> +			cluster0 {
> +				core0 {
> +					cpu = <&cpu0>;
> +				};
> +				core1 {
> +					cpu = <&cpu1>;
> +				};
> +				core2 {
> +					cpu = <&cpu2>;
> +				};
> +				core3 {
> +					cpu = <&cpu3>;
> +				};
> +			};
> +		};
> +
> +		cpu0: cpu at 0 {
> +			device_type = "cpu";
> +			compatible = "arm,cortex-a53";
> +			reg = <0x0>;
> +			#cooling-cells = <2>;
> +			enable-method = "psci";
> +			i-cache-size = <0x8000>;
> +			i-cache-line-size = <64>;
> +			i-cache-sets = <256>;
> +			d-cache-size = <0x8000>;
> +			d-cache-line-size = <64>;
> +			d-cache-sets = <256>;
> +			next-level-cache = <&l2>;
> +		};
> +
> +		cpu1: cpu at 1 {
> +			device_type = "cpu";
> +			compatible = "arm,cortex-a53";
> +			reg = <0x1>;
> +			#cooling-cells = <2>;
> +			enable-method = "psci";
> +			i-cache-size = <0x8000>;
> +			i-cache-line-size = <64>;
> +			i-cache-sets = <256>;
> +			d-cache-size = <0x8000>;
> +			d-cache-line-size = <64>;
> +			d-cache-sets = <256>;
> +			next-level-cache = <&l2>;
> +		};
> +
> +		cpu2: cpu at 2 {
> +			device_type = "cpu";
> +			compatible = "arm,cortex-a53";
> +			reg = <0x2>;
> +			#cooling-cells = <2>;
> +			enable-method = "psci";
> +			i-cache-size = <0x8000>;
> +			i-cache-line-size = <64>;
> +			i-cache-sets = <256>;
> +			d-cache-size = <0x8000>;
> +			d-cache-line-size = <64>;
> +			d-cache-sets = <256>;
> +			next-level-cache = <&l2>;
> +		};
> +
> +		cpu3: cpu at 3 {
> +			device_type = "cpu";
> +			compatible = "arm,cortex-a53";
> +			reg = <0x3>;
> +			#cooling-cells = <2>;
> +			enable-method = "psci";
> +			i-cache-size = <0x8000>;
> +			i-cache-line-size = <64>;
> +			i-cache-sets = <256>;
> +			d-cache-size = <0x8000>;
> +			d-cache-line-size = <64>;
> +			d-cache-sets = <256>;
> +			next-level-cache = <&l2>;
> +		};
> +
> +		l2: l2-cache {
> +			compatible = "cache";
> +			cache-level = <2>;
> +			cache-size = <0x80000>;
> +			cache-line-size = <64>;
> +			cache-sets = <512>;
> +			cache-unified;
> +		};
> +	};
> +
> +	clk26m: oscillator {
> +		compatible = "fixed-clock";
> +		#clock-cells = <0>;
> +		clock-frequency = <26000000>;
> +		clock-output-names = "clk26m";
> +	};
> +
> +	psci {
> +		compatible = "arm,psci-1.0";
> +		method = "smc";
> +	};
> +
> +	soc {
> +		#address-cells = <2>;
> +		#size-cells = <2>;
> +		compatible = "simple-bus";
> +		ranges;
> +
> +		gic: interrupt-controller at c000000 {
> +			compatible = "arm,gic-v3";
> +			#interrupt-cells = <3>;
> +			interrupt-parent = <&gic>;
> +			interrupt-controller;
> +			reg = <0 0x0c000000 0 0x10000>, /* GICD */
> +			      <0 0x0c080000 0 0x80000>, /* GICR */
> +			      <0 0x0c400000 0 0x2000>,  /* GICC */
> +			      <0 0x0c410000 0 0x1000>,  /* GICH */
> +			      <0 0x0c420000 0 0x2000>;  /* GICV */
> +
> +			interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
> +		};
> +
> +		topckgen: syscon at 10000000 {
> +			compatible = "mediatek,mt8365-topckgen", "syscon";
> +			reg = <0 0x10000000 0 0x1000>;
> +			#clock-cells = <1>;
> +		};
> +
> +		infracfg: syscon at 10001000 {
> +			compatible = "mediatek,mt8365-infracfg", "syscon";
> +			reg = <0 0x10001000 0 0x1000>;
> +			#clock-cells = <1>;
> +		};
> +
> +		pericfg: syscon at 10003000 {
> +			compatible = "mediatek,mt8365-pericfg", "syscon";
> +			reg = <0 0x10003000 0 0x1000>;
> +			#clock-cells = <1>;
> +		};
> +
> +		syscfg_pctl: syscfg-pctl at 10005000 {
> +			compatible = "mediatek,mt8365-syscfg", "syscon";
> +			reg = <0 0x10005000 0 0x1000>;
> +		};
> +
> +		pio: pinctrl at 1000b000 {
> +			compatible = "mediatek,mt8365-pinctrl";
> +			reg = <0 0x1000b000 0 0x1000>;
> +			mediatek,pctl-regmap = <&syscfg_pctl>;
> +			gpio-controller;
> +			#gpio-cells = <2>;
> +			interrupt-controller;
> +			#interrupt-cells = <2>;
> +			interrupts = <GIC_SPI 115 IRQ_TYPE_LEVEL_HIGH>;
> +		};
> +
> +		apmixedsys: syscon at 1000c000 {
> +			compatible = "mediatek,mt8365-apmixedsys", "syscon";
> +			reg = <0 0x1000c000 0 0x1000>;
> +			#clock-cells = <1>;
> +		};
> +
> +		keypad: keypad at 10010000 {
> +			compatible = "mediatek,mt6779-keypad";
> +			reg = <0 0x10010000 0 0x1000>;
> +			wakeup-source;
> +			interrupts = <GIC_SPI 124 IRQ_TYPE_EDGE_FALLING>;
> +			clocks = <&clk26m>;
> +			clock-names = "kpd";
> +			status = "disabled";
> +		};
> +
> +		mcucfg: syscon at 10200000 {
> +			compatible = "mediatek,mt8365-mcucfg", "syscon";
> +			reg = <0 0x10200000 0 0x2000>;
> +			#clock-cells = <1>;
> +		};
> +
> +		sysirq: interrupt-controller at 10200a80 {
> +			compatible = "mediatek,mt8365-sysirq", "mediatek,mt6577-sysirq";
> +			interrupt-controller;
> +			#interrupt-cells = <3>;
> +			interrupt-parent = <&gic>;
> +			reg = <0 0x10200a80 0 0x20>;
> +		};
> +
> +		infracfg_nao: infracfg at 1020e000 {
> +			compatible = "mediatek,mt8365-infracfg", "syscon";
> +			reg = <0 0x1020e000 0 0x1000>;
> +			#clock-cells = <1>;
> +		};
> +
> +		rng: rng at 1020f000 {
> +			compatible = "mediatek,mt8365-rng", "mediatek,mt7623-rng";
> +			reg = <0 0x1020f000 0 0x100>;
> +			clocks = <&infracfg CLK_IFR_TRNG>;
> +			clock-names = "rng";
> +		};
> +
> +		apdma: dma-controller at 11000280 {
> +			compatible = "mediatek,mt8365-uart-dma", "mediatek,mt6577-uart-dma";
> +			reg = <0 0x11000280 0 0x80>,
> +			      <0 0x11000300 0 0x80>,
> +			      <0 0x11000380 0 0x80>,
> +			      <0 0x11000400 0 0x80>,
> +			      <0 0x11000580 0 0x80>,
> +			      <0 0x11000600 0 0x80>;
> +			interrupts = <GIC_SPI 45 IRQ_TYPE_LEVEL_LOW>,
> +				     <GIC_SPI 46 IRQ_TYPE_LEVEL_LOW>,
> +				     <GIC_SPI 47 IRQ_TYPE_LEVEL_LOW>,
> +				     <GIC_SPI 48 IRQ_TYPE_LEVEL_LOW>,
> +				     <GIC_SPI 51 IRQ_TYPE_LEVEL_LOW>,
> +				     <GIC_SPI 52 IRQ_TYPE_LEVEL_LOW>;
> +			dma-requests = <6>;
> +			clocks = <&infracfg CLK_IFR_AP_DMA>;
> +			clock-names = "apdma";
> +			#dma-cells = <1>;
> +		};
> +
> +		uart0: serial at 11002000 {
> +			compatible = "mediatek,mt8365-uart", "mediatek,mt6577-uart";
> +			reg = <0 0x11002000 0 0x1000>;
> +			interrupts = <GIC_SPI 35 IRQ_TYPE_LEVEL_LOW>;
> +			clocks = <&clk26m>, <&infracfg CLK_IFR_UART0>;
> +			clock-names = "baud", "bus";
> +			dmas = <&apdma 0>, <&apdma 1>;
> +			dma-names = "tx", "rx";
> +			status = "disabled";
> +		};
> +
> +		uart1: serial at 11003000 {
> +			compatible = "mediatek,mt8365-uart", "mediatek,mt6577-uart";
> +			reg = <0 0x11003000 0 0x1000>;
> +			interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_LOW>;
> +			clocks = <&clk26m>, <&infracfg CLK_IFR_UART1>;
> +			clock-names = "baud", "bus";
> +			dmas = <&apdma 2>, <&apdma 3>;
> +			dma-names = "tx", "rx";
> +			status = "disabled";
> +		};
> +
> +		uart2: serial at 11004000 {
> +			compatible = "mediatek,mt8365-uart", "mediatek,mt6577-uart";
> +			reg = <0 0x11004000 0 0x1000>;
> +			interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_LOW>;
> +			clocks = <&clk26m>, <&infracfg CLK_IFR_UART2>;
> +			clock-names = "baud", "bus";
> +			dmas = <&apdma 4>, <&apdma 5>;
> +			dma-names = "tx", "rx";
> +			status = "disabled";
> +		};
> +
> +		pwm: pwm at 11006000 {
> +			compatible = "mediatek,mt8365-pwm";
> +			reg = <0 0x11006000 0 0x1000>;
> +			#pwm-cells = <2>;
> +			interrupts = <GIC_SPI 76 IRQ_TYPE_LEVEL_LOW>;
> +			clocks = <&infracfg CLK_IFR_PWM_HCLK>,
> +				 <&infracfg CLK_IFR_PWM>,
> +				 <&infracfg CLK_IFR_PWM1>,
> +				 <&infracfg CLK_IFR_PWM2>,
> +				 <&infracfg CLK_IFR_PWM3>;
> +			clock-names = "top", "main", "pwm1", "pwm2", "pwm3";
> +		};
> +
> +		spi: spi at 1100a000 {
> +			compatible = "mediatek,mt8365-spi", "mediatek,mt7622-spi";
> +			reg = <0 0x1100a000 0 0x100>;
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +			interrupts = <GIC_SPI 62 IRQ_TYPE_LEVEL_LOW>;
> +			clocks = <&topckgen CLK_TOP_UNIVPLL2_D4>,
> +				 <&topckgen CLK_TOP_SPI_SEL>,
> +				 <&infracfg CLK_IFR_SPI0>;
> +			clock-names = "parent-clk", "sel-clk", "spi-clk";
> +			status = "disabled";
> +		};
> +
> +		ssusb: usb at 11201000 {
> +			compatible = "mediatek,mt8365-mtu3", "mediatek,mtu3";
> +			reg = <0 0x11201000 0 0x2e00>, <0 0x11203e00 0 0x0100>;
> +			reg-names = "mac", "ippc";
> +			interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_LOW>;
> +			phys = <&u2port0 PHY_TYPE_USB2>,
> +			       <&u2port1 PHY_TYPE_USB2>;
> +			clocks = <&topckgen CLK_TOP_SSUSB_TOP_CK_EN>,
> +				 <&infracfg CLK_IFR_SSUSB_REF>,
> +				 <&infracfg CLK_IFR_SSUSB_SYS>,
> +				 <&infracfg CLK_IFR_ICUSB>;
> +			clock-names = "sys_ck", "ref_ck", "mcu_ck", "dma_ck";
> +			#address-cells = <2>;
> +			#size-cells = <2>;
> +			ranges;
> +			status = "disabled";
> +
> +			usb_host: usb at 11200000 {
> +				compatible = "mediatek,mt8365-xhci", "mediatek,mtk-xhci";
> +				reg = <0 0x11200000 0 0x1000>;
> +				reg-names = "mac";
> +				interrupts = <GIC_SPI 67 IRQ_TYPE_LEVEL_LOW>;
> +				clocks = <&topckgen CLK_TOP_SSUSB_TOP_CK_EN>,
> +					 <&infracfg CLK_IFR_SSUSB_REF>,
> +					 <&infracfg CLK_IFR_SSUSB_SYS>,
> +					 <&infracfg CLK_IFR_ICUSB>,
> +					 <&infracfg CLK_IFR_SSUSB_XHCI>;
> +				clock-names = "sys_ck", "ref_ck", "mcu_ck",
> +					      "dma_ck", "xhci_ck";
> +				status = "disabled";
> +			};
> +		};
> +
> +		u3phy: t-phy at 11cc0000 {
> +			compatible = "mediatek,mt8365-tphy", "mediatek,generic-tphy-v2";
> +			#address-cells = <1>;
> +			#size-cells = <1>;
> +			ranges = <0 0 0x11cc0000 0x9000>;
> +
> +			u2port0: usb-phy at 0 {
> +				reg = <0x0 0x400>;
> +				clocks = <&topckgen CLK_TOP_SSUSB_PHY_CK_EN>,
> +					 <&topckgen CLK_TOP_USB20_48M_EN>;
> +				clock-names = "ref", "da_ref";
> +				#phy-cells = <1>;
> +			};
> +
> +			u2port1: usb-phy at 1000 {
> +				reg = <0x1000 0x400>;
> +				clocks = <&topckgen CLK_TOP_SSUSB_PHY_CK_EN>,
> +					 <&topckgen CLK_TOP_USB20_48M_EN>;
> +				clock-names = "ref", "da_ref";
> +				#phy-cells = <1>;
> +			};
> +		};
> +	};
> +
> +	timer {
> +		compatible = "arm,armv8-timer";
> +		interrupt-parent = <&gic>;
> +		interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_LOW>,
> +			     <GIC_PPI 14 IRQ_TYPE_LEVEL_LOW>,
> +			     <GIC_PPI 11 IRQ_TYPE_LEVEL_LOW>,
> +			     <GIC_PPI 10 IRQ_TYPE_LEVEL_LOW>;
> +	};
> +
> +	system_clk: dummy13m {
> +		compatible = "fixed-clock";
> +		clock-frequency = <13000000>;
> +		#clock-cells = <0>;
> +	};
> +
> +	systimer: timer at 10017000 {
> +		compatible = "mediatek,mt8365-systimer", "mediatek,mt6795-systimer";
> +		reg = <0 0x10017000 0 0x10>;
> +		interrupts = <GIC_SPI 138 IRQ_TYPE_LEVEL_LOW>;
> +		clocks = <&system_clk>;
> +		clock-names = "clk13m";
> +	};
> +};




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