Allwinner A100 is a new SoC with Cortex-A53 cores, this commit adds the basical DTSI file of it, including the clock, pins and UART support. Signed-off-by: Frank Lee <frank@xxxxxxxxxxxxxxxxx> --- .../arm64/boot/dts/allwinner/sun50i-a100.dtsi | 173 ++++++++++++++++++ 1 file changed, 173 insertions(+) create mode 100644 arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi new file mode 100644 index 000000000000..bd9bf9b2f832 --- /dev/null +++ b/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi @@ -0,0 +1,173 @@ +// SPDX-License-Identifier: (GPL-2.0+ or MIT) +/* + * Copyright (c) 2020 Frank Lee <frank@xxxxxxxxxxxxx> + */ + +#include <dt-bindings/interrupt-controller/arm-gic.h> +#include <dt-bindings/clock/sun50i-a100-ccu.h> +#include <dt-bindings/clock/sun50i-a100-r-ccu.h> +#include <dt-bindings/reset/sun50i-a100-ccu.h> +#include <dt-bindings/reset/sun50i-a100-r-ccu.h> + +/ { + interrupt-parent = <&gic>; + #address-cells = <2>; + #size-cells = <2>; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu0: cpu@0 { + compatible = "arm,armv8"; + device_type = "cpu"; + reg = <0x0>; + enable-method = "psci"; + }; + + cpu@1 { + compatible = "arm,armv8"; + device_type = "cpu"; + reg = <0x1>; + enable-method = "psci"; + }; + + cpu@2 { + compatible = "arm,armv8"; + device_type = "cpu"; + reg = <0x2>; + enable-method = "psci"; + }; + + cpu@3 { + compatible = "arm,armv8"; + device_type = "cpu"; + reg = <0x3>; + enable-method = "psci"; + }; + }; + + psci { + compatible = "arm,psci-1.0"; + method = "smc"; + }; + + iosc: internal-osc-clk { + compatible = "fixed-clock"; + clock-frequency = <16000000>; + clock-accuracy = <300000000>; + clock-output-names = "iosc"; + #clock-cells = <0>; + }; + + dcxo24M: dcxo24M_clk { + compatible = "fixed-clock"; + clock-frequency = <24000000>; + clock-output-names = "dcxo24M"; + #clock-cells = <0>; + }; + + osc32k: osc32k_clk { + compatible = "fixed-clock"; + clock-frequency = <32768>; + clock-output-names = "osc32k"; + #clock-cells = <0>; + }; + + timer { + compatible = "arm,armv8-timer"; + interrupts = <GIC_PPI 13 + (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>, + <GIC_PPI 14 + (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>, + <GIC_PPI 11 + (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>, + <GIC_PPI 10 + (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>; + }; + + soc: soc { + compatible = "simple-bus"; + #address-cells = <2>; + #size-cells = <2>; + ranges; + + ccu: clock@3001000 { + compatible = "allwinner,sun50i-a100-ccu"; + reg = <0x0 0x03001000 0x0 0x1000>; + clocks = <&dcxo24M>, <&osc32k>, <&iosc>; + clock-names = "hosc", "losc", "iosc"; + #clock-cells = <1>; + #reset-cells = <1>; + }; + + gic: interrupt-controller@3021000 { + compatible = "arm,gic-400"; + reg = <0x0 0x03021000 0x0 0x1000>, + <0x0 0x03022000 0x0 0x2000>, + <0x0 0x03024000 0x0 0x2000>, + <0x0 0x03026000 0x0 0x2000>; + interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(4) | + IRQ_TYPE_LEVEL_HIGH)>; + interrupt-controller; + #interrupt-cells = <3>; + }; + + pio: pinctrl@300b000 { + compatible = "allwinner,sun50i-a100-pinctrl"; + reg = <0x0 0x0300b000 0x0 0x400>; + interrupts = <GIC_SPI 54 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 56 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 57 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 58 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 59 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 60 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 61 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 62 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&ccu CLK_APB1>, <&dcxo24M>, <&osc32k>; + clock-names = "apb", "hosc", "losc"; + gpio-controller; + #gpio-cells = <3>; + interrupt-controller; + #interrupt-cells = <3>; + + uart0_pb_pins: uart0-pb-pins { + pins = "PB9", "PB10"; + function = "uart0"; + }; + }; + + uart0: serial@5000000 { + compatible = "snps,dw-apb-uart"; + reg = <0x0 0x05000000 0x0 0x400>; + interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>; + reg-shift = <2>; + reg-io-width = <4>; + clocks = <&ccu CLK_BUS_UART0>; + resets = <&ccu RST_BUS_UART0>; + }; + + r_ccu: clock@7010000 { + compatible = "allwinner,sun50i-a100-r-ccu"; + reg = <0x0 0x07010000 0x0 0x400>; + clocks = <&dcxo24M>, <&osc32k>, <&iosc>, + <&ccu CLK_PLL_PERIPH0>; + clock-names = "hosc", "losc", "iosc", "pll-periph"; + #clock-cells = <1>; + #reset-cells = <1>; + }; + + r_pio: pinctrl@7022000 { + compatible = "allwinner,sun50i-a100-r-pinctrl"; + reg = <0x0 0x07022000 0x0 0x400>; + interrupts = <GIC_SPI 111 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&r_ccu CLK_R_APB1>, <&dcxo24M>, <&osc32k>; + clock-names = "apb", "hosc", "losc"; + gpio-controller; + #gpio-cells = <3>; + interrupt-controller; + #interrupt-cells = <3>; + }; + }; +}; -- 2.24.0