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| author | Daniel Palmer <daniel@0x0f.com> | 2020-07-10 18:45:40 +0900 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2020-07-28 11:13:49 +0200 |
| commit | b0d0bb1b6f8700deaf23e8ea42eaca9c54488fc9 (patch) | |
| tree | ed8cd52bad3c73ce71ea983edfc58f68b8fdb1cb /arch/arm | |
| parent | 09220c579c7873a89a07f4f55da9662b1b95355f (diff) | |
| download | linux-b0d0bb1b6f8700deaf23e8ea42eaca9c54488fc9.tar.bz2 | |
ARM: mstar: Add Armv7 base dtsi
Adds initial dtsi for the base MStar/Sigmastar Armv7 SoCs.
These SoCs have very similar memory maps and this will avoid
duplicating nodes across multiple dtsis.
Signed-off-by: Daniel Palmer <daniel@0x0f.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/boot/dts/mstar-v7.dtsi | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/mstar-v7.dtsi b/arch/arm/boot/dts/mstar-v7.dtsi new file mode 100644 index 000000000000..3b99bb435bb5 --- /dev/null +++ b/arch/arm/boot/dts/mstar-v7.dtsi @@ -0,0 +1,83 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright (c) 2020 thingy.jp. + * Author: Daniel Palmer <daniel@thingy.jp> + */ + +#include <dt-bindings/interrupt-controller/irq.h> +#include <dt-bindings/interrupt-controller/arm-gic.h> + +/ { + #address-cells = <1>; + #size-cells = <1>; + interrupt-parent = <&gic>; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu0: cpu@0 { + device_type = "cpu"; + compatible = "arm,cortex-a7"; + reg = <0x0>; + }; + }; + + arch_timer { + compatible = "arm,armv7-timer"; + interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(2) + | IRQ_TYPE_LEVEL_LOW)>, + <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(2) + | IRQ_TYPE_LEVEL_LOW)>, + <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(2) + | IRQ_TYPE_LEVEL_LOW)>, + <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(2) + | IRQ_TYPE_LEVEL_LOW)>; + /* + * we shouldn't need this but the vendor + * u-boot is broken + */ + clock-frequency = <6000000>; + }; + + soc: soc { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x16001000 0x16001000 0x00007000>, + <0x1f000000 0x1f000000 0x00400000>; + + gic: interrupt-controller@16001000 { + compatible = "arm,cortex-a7-gic"; + reg = <0x16001000 0x1000>, + <0x16002000 0x2000>, + <0x16004000 0x2000>, + <0x16006000 0x2000>; + #interrupt-cells = <3>; + interrupt-controller; + interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(2) + | IRQ_TYPE_LEVEL_LOW)>; + }; + + riu: bus@1f000000 { + compatible = "simple-bus"; + reg = <0x1f000000 0x00400000>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x0 0x1f000000 0x00400000>; + + l3bridge: l3bridge@204400 { + compatible = "mstar,l3bridge"; + reg = <0x204400 0x200>; + }; + + pm_uart: uart@221000 { + compatible = "ns16550a"; + reg = <0x221000 0x100>; + reg-shift = <3>; + clock-frequency = <172000000>; + status = "disabled"; + }; + }; + }; +}; |