From mboxrd@z Thu Jan 1 00:00:00 1970 From: Subject: [PATCH v3 2/3] arm64: dts: mt7622: add basic nodes to the mt7622.dtsi file Date: Thu, 1 Jun 2017 01:29:00 +0800 Message-ID: <60640937c793184ce12f88e5c66f3f316e97cefa.1496250798.git.sean.wang@mediatek.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+glpam-linux-mediatek=m.gmane.org-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org To: robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, matthias.bgg-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, mark.rutland-5wv7dgnIgG8@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-mediatek-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org Cc: Sean Wang , linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org List-Id: devicetree@vger.kernel.org From: Sean Wang add basic nodes into the mt7622.dtsi for the system bring-up which includes ARM CPU, GIC, timer, MediaTek UART, SYSIRQ and one reserved memory region for ATF. Signed-off-by: Sean Wang --- arch/arm64/boot/dts/mediatek/mt7622.dtsi | 103 +++++++++++++++++++++++++++++++ 1 file changed, 103 insertions(+) create mode 100644 arch/arm64/boot/dts/mediatek/mt7622.dtsi diff --git a/arch/arm64/boot/dts/mediatek/mt7622.dtsi b/arch/arm64/boot/dts/mediatek/mt7622.dtsi new file mode 100644 index 0000000..2031b73 --- /dev/null +++ b/arch/arm64/boot/dts/mediatek/mt7622.dtsi @@ -0,0 +1,103 @@ +/* + * Copyright (c) 2017 MediaTek Inc. + * Author: Ming Huang + * Sean Wang + * + * SPDX-License-Identifier: (GPL-2.0 OR MIT) + */ + +#include +#include + +/ { + compatible = "mediatek,mt7622"; + interrupt-parent = <&sysirq>; + #address-cells = <2>; + #size-cells = <2>; + + cpus { + #address-cells = <2>; + #size-cells = <0>; + + cpu0: cpu@0 { + device_type = "cpu"; + compatible = "arm,cortex-a53", "arm,armv8"; + reg = <0x0 0x0>; + enable-method = "psci"; + clock-frequency = <1300000000>; + }; + + cpu1: cpu@1 { + device_type = "cpu"; + compatible = "arm,cortex-a53", "arm,armv8"; + reg = <0x0 0x1>; + enable-method = "psci"; + clock-frequency = <1300000000>; + }; + }; + + uart_clk: dummy26m { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <25000000>; + }; + + psci { + compatible = "arm,psci-0.2"; + method = "smc"; + }; + + reserved-memory { + #address-cells = <2>; + #size-cells = <2>; + ranges; + + /* 192 KiB reserved for ARM Trusted Firmware (BL31) */ + secmon_reserved: secmon@43000000 { + reg = <0 0x43000000 0 0x30000>; + no-map; + }; + }; + + timer { + compatible = "arm,armv8-timer"; + interrupt-parent = <&gic>; + interrupts = , + , + , + ; + }; + + sysirq: interrupt-controller@10200620 { + compatible = "mediatek,mt7622-sysirq", + "mediatek,mt6577-sysirq"; + interrupt-controller; + #interrupt-cells = <3>; + interrupt-parent = <&gic>; + reg = <0 0x10200620 0 0x20>; + }; + + gic: interrupt-controller@10300000 { + compatible = "arm,gic-400"; + interrupt-controller; + #interrupt-cells = <3>; + interrupt-parent = <&gic>; + reg = <0 0x10310000 0 0x1000>, + <0 0x10320000 0 0x1000>, + <0 0x10340000 0 0x2000>, + <0 0x10360000 0 0x2000>; + }; + + uart0: serial@11002000 { + compatible = "mediatek,mt7622-uart", + "mediatek,mt6577-uart"; + reg = <0 0x11002000 0 0x400>; + interrupts = ; + clocks = <&uart_clk>; + status = "disabled"; + }; +}; -- 1.9.1