diff options
| -rw-r--r-- | Documentation/devicetree/bindings/arm/bitmain.yaml | 18 | ||||
| -rw-r--r-- | MAINTAINERS | 7 | ||||
| -rw-r--r-- | arch/arm64/Kconfig.platforms | 5 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/bitmain/Makefile | 3 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/bitmain/bm1880-sophon-edge.dts | 50 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/bitmain/bm1880.dtsi | 119 |
7 files changed, 203 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/arm/bitmain.yaml b/Documentation/devicetree/bindings/arm/bitmain.yaml new file mode 100644 index 000000000000..0efdb4ac028e --- /dev/null +++ b/Documentation/devicetree/bindings/arm/bitmain.yaml @@ -0,0 +1,18 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/arm/bitmain.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Bitmain platform device tree bindings + +maintainers: + - Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> + +properties: + compatible: + items: + - enum: + - bitmain,sophon-edge + - const: bitmain,bm1880 +... diff --git a/MAINTAINERS b/MAINTAINERS index 9919840d54cd..a410cd0850cc 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1372,6 +1372,13 @@ F: arch/arm/mach-aspeed/ F: arch/arm/boot/dts/aspeed-* N: aspeed +ARM/BITMAIN ARCHITECTURE +M: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> +L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) +S: Maintained +F: arch/arm64/boot/dts/bitmain/ +F: Documentation/devicetree/bindings/arm/bitmain.yaml + ARM/CALXEDA HIGHBANK ARCHITECTURE M: Rob Herring <robh@kernel.org> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms index 251ecf34cb02..6bb7db9126f7 100644 --- a/arch/arm64/Kconfig.platforms +++ b/arch/arm64/Kconfig.platforms @@ -52,6 +52,11 @@ config ARCH_BERLIN help This enables support for Marvell Berlin SoC Family +config ARCH_BITMAIN + bool "Bitmain SoC Platforms" + help + This enables support for the Bitmain SoC Family. + config ARCH_BRCMSTB bool "Broadcom Set-Top-Box SoCs" select BRCMSTB_L2_IRQ diff --git a/arch/arm64/boot/dts/Makefile b/arch/arm64/boot/dts/Makefile index 4690364d584b..5bc7533a12c7 100644 --- a/arch/arm64/boot/dts/Makefile +++ b/arch/arm64/boot/dts/Makefile @@ -7,6 +7,7 @@ subdir-y += amd subdir-y += amlogic subdir-y += apm subdir-y += arm +subdir-y += bitmain subdir-y += broadcom subdir-y += cavium subdir-y += exynos diff --git a/arch/arm64/boot/dts/bitmain/Makefile b/arch/arm64/boot/dts/bitmain/Makefile new file mode 100644 index 000000000000..be90a6071be0 --- /dev/null +++ b/arch/arm64/boot/dts/bitmain/Makefile @@ -0,0 +1,3 @@ +# SPDX-License-Identifier: GPL-2.0+ + +dtb-$(CONFIG_ARCH_BITMAIN) += bm1880-sophon-edge.dtb diff --git a/arch/arm64/boot/dts/bitmain/bm1880-sophon-edge.dts b/arch/arm64/boot/dts/bitmain/bm1880-sophon-edge.dts new file mode 100644 index 000000000000..6a3255597138 --- /dev/null +++ b/arch/arm64/boot/dts/bitmain/bm1880-sophon-edge.dts @@ -0,0 +1,50 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2019 Linaro Ltd. + * Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> + */ + +/dts-v1/; + +#include "bm1880.dtsi" + +/ { + compatible = "bitmain,sophon-edge", "bitmain,bm1880"; + model = "Sophon Edge"; + + aliases { + serial0 = &uart0; + serial1 = &uart2; + serial2 = &uart1; + }; + + chosen { + stdout-path = "serial0:115200n8"; + }; + + memory@0 { + device_type = "memory"; + reg = <0x1 0x00000000 0x0 0x40000000>; // 1GB + }; + + uart_clk: uart-clk { + compatible = "fixed-clock"; + clock-frequency = <500000000>; + #clock-cells = <0>; + }; +}; + +&uart0 { + status = "okay"; + clocks = <&uart_clk>; +}; + +&uart1 { + status = "okay"; + clocks = <&uart_clk>; +}; + +&uart2 { + status = "okay"; + clocks = <&uart_clk>; +}; diff --git a/arch/arm64/boot/dts/bitmain/bm1880.dtsi b/arch/arm64/boot/dts/bitmain/bm1880.dtsi new file mode 100644 index 000000000000..55a4769e0de2 --- /dev/null +++ b/arch/arm64/boot/dts/bitmain/bm1880.dtsi @@ -0,0 +1,119 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2019 Linaro Ltd. + * Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> + */ + +#include <dt-bindings/interrupt-controller/arm-gic.h> + +/ { + compatible = "bitmain,bm1880"; + interrupt-parent = <&gic>; + #address-cells = <2>; + #size-cells = <2>; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu0: cpu@0 { + device_type = "cpu"; + compatible = "arm,cortex-a53"; + reg = <0x0>; + enable-method = "psci"; + }; + + cpu1: cpu@1 { + device_type = "cpu"; + compatible = "arm,cortex-a53"; + reg = <0x1>; + enable-method = "psci"; + }; + }; + + reserved-memory { + #address-cells = <2>; + #size-cells = <2>; + ranges; + + secmon@100000000 { + reg = <0x1 0x00000000 0x0 0x20000>; + no-map; + }; + + jpu@130000000 { + reg = <0x1 0x30000000 0x0 0x08000000>; // 128M + no-map; + }; + + vpu@138000000 { + reg = <0x1 0x38000000 0x0 0x08000000>; // 128M + no-map; + }; + }; + + psci { + compatible = "arm,psci-0.2"; + method = "smc"; + }; + + timer { + compatible = "arm,armv8-timer"; + 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>; + }; + + soc { + compatible = "simple-bus"; + #address-cells = <2>; + #size-cells = <2>; + ranges; + + gic: interrupt-controller@50001000 { + compatible = "arm,gic-400"; + reg = <0x0 0x50001000 0x0 0x1000>, + <0x0 0x50002000 0x0 0x2000>; + interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_LOW>; + interrupt-controller; + #interrupt-cells = <3>; + }; + + uart0: serial@58018000 { + compatible = "snps,dw-apb-uart"; + reg = <0x0 0x58018000 0x0 0x2000>; + interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>; + reg-shift = <2>; + reg-io-width = <4>; + status = "disabled"; + }; + + uart1: serial@5801A000 { + compatible = "snps,dw-apb-uart"; + reg = <0x0 0x5801a000 0x0 0x2000>; + interrupts = <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>; + reg-shift = <2>; + reg-io-width = <4>; + status = "disabled"; + }; + + uart2: serial@5801C000 { + compatible = "snps,dw-apb-uart"; + reg = <0x0 0x5801c000 0x0 0x2000>; + interrupts = <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>; + reg-shift = <2>; + reg-io-width = <4>; + status = "disabled"; + }; + + uart3: serial@5801E000 { + compatible = "snps,dw-apb-uart"; + reg = <0x0 0x5801e000 0x0 0x2000>; + interrupts = <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>; + reg-shift = <2>; + reg-io-width = <4>; + status = "disabled"; + }; + }; +}; |