Add initial support for Mediatek mt6582 and Prestigio PMT5008 3G tablet, 4 uart, wdt work, init loads successfully. SMP doesn't work. Signed-off-by: Maxim Kutnij <gtk3@xxxxxxxx> --- arch/arm/boot/dts/mt6582.dtsi | 129 ++++++++++++++++++++++++++++++++++ 1 file changed, 129 insertions(+) create mode 100644 arch/arm/boot/dts/mt6582.dtsi diff --git a/arch/arm/boot/dts/mt6582.dtsi b/arch/arm/boot/dts/mt6582.dtsi new file mode 100644 index 00000000000..75539ccab78 --- /dev/null +++ b/arch/arm/boot/dts/mt6582.dtsi @@ -0,0 +1,128 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (c) 2021 Maxim Kutnij <gtk3@xxxxxxxx> + */ + +#include <dt-bindings/interrupt-controller/irq.h> +#include <dt-bindings/interrupt-controller/arm-gic.h> + +/ { + #address-cells = <1>; + #size-cells = <1>; + compatible = "mediatek,mt6582"; + interrupt-parent = <&sysirq>; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu@0 { + device_type = "cpu"; + compatible = "arm,cortex-a7"; + reg = <0x0>; + }; + cpu@1 { + device_type = "cpu"; + compatible = "arm,cortex-a7"; + reg = <0x1>; + }; + cpu@2 { + device_type = "cpu"; + compatible = "arm,cortex-a7"; + reg = <0x2>; + }; + cpu@3 { + device_type = "cpu"; + compatible = "arm,cortex-a7"; + reg = <0x3>; + }; + }; + + system_clk: dummy13m { + compatible = "fixed-clock"; + clock-frequency = <13000000>; + #clock-cells = <0>; + }; + + rtc_clk: dummy32k { + compatible = "fixed-clock"; + clock-frequency = <32000>; + #clock-cells = <0>; + }; + + uart_clk: dummy26m { + compatible = "fixed-clock"; + clock-frequency = <26000000>; + #clock-cells = <0>; + }; + + timer: timer@11008000 { + compatible = "mediatek,mt6577-timer"; + reg = <0x10008000 0x80>; + interrupts = <GIC_SPI 112 IRQ_TYPE_LEVEL_LOW>; + clocks = <&system_clk>, <&rtc_clk>; + clock-names = "system-clk", "rtc-clk"; + }; + + sysirq: interrupt-controller@10200100 { + compatible = "mediatek,mt6582-sysirq", + "mediatek,mt6577-sysirq"; + interrupt-controller; + #interrupt-cells = <3>; + interrupt-parent = <&gic>; + reg = <0x10200100 0x1c>; + }; + + gic: interrupt-controller@10211000 { + compatible = "arm,cortex-a7-gic"; + interrupt-controller; + #interrupt-cells = <3>; + interrupt-parent = <&gic>; + reg = <0x10211000 0x1000>, + <0x10212000 0x2000>, + <0x10214000 0x2000>, + <0x10216000 0x2000>; + }; + + uart0: serial@11002000 { + compatible = "mediatek,mt6582-uart", + "mediatek,mt6577-uart"; + reg = <0x11002000 0x400>; + interrupts = <GIC_SPI 51 IRQ_TYPE_LEVEL_LOW>; + clocks = <&uart_clk>; + status = "disabled"; + }; + + uart1: serial@11003000 { + compatible = "mediatek,mt6582-uart", + "mediatek,mt6577-uart"; + reg = <0x11003000 0x400>; + interrupts = <GIC_SPI 52 IRQ_TYPE_LEVEL_LOW>; + clocks = <&uart_clk>; + status = "disabled"; + }; + + uart2: serial@11004000 { + compatible = "mediatek,mt6582-uart", + "mediatek,mt6577-uart"; + reg = <0x11004000 0x400>; + interrupts = <GIC_SPI 53 IRQ_TYPE_LEVEL_LOW>; + clocks = <&uart_clk>; + status = "disabled"; + }; + + uart3: serial@11005000 { + compatible = "mediatek,mt6582-uart", + "mediatek,mt6577-uart"; + reg = <0x11005000 0x400>; + interrupts = <GIC_SPI 54 IRQ_TYPE_LEVEL_LOW>; + clocks = <&uart_clk>; + status = "disabled"; + }; + + watchdog: watchdog@10007000 { + compatible = "mediatek,mt6582-wdt", + "mediatek,mt6589-wdt"; + reg = <0x10007000 0x100>; + }; +}; -- 2.34.1