diff options
author | Conor Dooley <conor.dooley@microchip.com> | 2022-05-09 17:26:09 +0300 |
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committer | Palmer Dabbelt <palmer@rivosinc.com> | 2022-06-02 01:28:29 +0300 |
commit | bc47b2217f246ed0bf0305dd7572f76fc8a3b85c (patch) | |
tree | 500e88c9c1a9fa2251b05e23857a7a64c77d57d6 /arch/riscv/boot/dts/microchip | |
parent | b847d32ae7c3c49111e98419ef2a5a65d9e1f51f (diff) | |
download | linux-bc47b2217f246ed0bf0305dd7572f76fc8a3b85c.tar.xz |
riscv: dts: microchip: add the sundance polarberry
Add a minimal device tree for the PolarFire SoC based Sundance
PolarBerry.
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20220509142610.128590-9-conor.dooley@microchip.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Diffstat (limited to 'arch/riscv/boot/dts/microchip')
-rw-r--r-- | arch/riscv/boot/dts/microchip/Makefile | 1 | ||||
-rw-r--r-- | arch/riscv/boot/dts/microchip/mpfs-polarberry-fabric.dtsi | 16 | ||||
-rw-r--r-- | arch/riscv/boot/dts/microchip/mpfs-polarberry.dts | 99 |
3 files changed, 116 insertions, 0 deletions
diff --git a/arch/riscv/boot/dts/microchip/Makefile b/arch/riscv/boot/dts/microchip/Makefile index af3a5059b350..39aae7b04f1c 100644 --- a/arch/riscv/boot/dts/microchip/Makefile +++ b/arch/riscv/boot/dts/microchip/Makefile @@ -1,3 +1,4 @@ # SPDX-License-Identifier: GPL-2.0 dtb-$(CONFIG_SOC_MICROCHIP_POLARFIRE) += mpfs-icicle-kit.dtb +dtb-$(CONFIG_SOC_MICROCHIP_POLARFIRE) += mpfs-polarberry.dtb obj-$(CONFIG_BUILTIN_DTB) += $(addsuffix .o, $(dtb-y)) diff --git a/arch/riscv/boot/dts/microchip/mpfs-polarberry-fabric.dtsi b/arch/riscv/boot/dts/microchip/mpfs-polarberry-fabric.dtsi new file mode 100644 index 000000000000..49380c428ec9 --- /dev/null +++ b/arch/riscv/boot/dts/microchip/mpfs-polarberry-fabric.dtsi @@ -0,0 +1,16 @@ +// SPDX-License-Identifier: (GPL-2.0 OR MIT) +/* Copyright (c) 2020-2022 Microchip Technology Inc */ + +/ { + fabric_clk3: fabric-clk3 { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <62500000>; + }; + + fabric_clk1: fabric-clk1 { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <125000000>; + }; +}; diff --git a/arch/riscv/boot/dts/microchip/mpfs-polarberry.dts b/arch/riscv/boot/dts/microchip/mpfs-polarberry.dts new file mode 100644 index 000000000000..82c93c8f5c17 --- /dev/null +++ b/arch/riscv/boot/dts/microchip/mpfs-polarberry.dts @@ -0,0 +1,99 @@ +// SPDX-License-Identifier: (GPL-2.0 OR MIT) +/* Copyright (c) 2020-2022 Microchip Technology Inc */ + +/dts-v1/; + +#include "mpfs.dtsi" +#include "mpfs-polarberry-fabric.dtsi" + +/* Clock frequency (in Hz) of the rtcclk */ +#define MTIMER_FREQ 1000000 + +/ { + model = "Sundance PolarBerry"; + compatible = "sundance,polarberry", "microchip,mpfs"; + + aliases { + ethernet0 = &mac1; + serial0 = &mmuart0; + }; + + chosen { + stdout-path = "serial0:115200n8"; + }; + + cpus { + timebase-frequency = <MTIMER_FREQ>; + }; + + ddrc_cache_lo: memory@80000000 { + device_type = "memory"; + reg = <0x0 0x80000000 0x0 0x2e000000>; + }; + + ddrc_cache_hi: memory@1000000000 { + device_type = "memory"; + reg = <0x10 0x00000000 0x0 0xC0000000>; + }; +}; + +/* + * phy0 is connected to mac0, but the port itself is on the (optional) carrier + * board. + */ +&mac0 { + phy-mode = "sgmii"; + phy-handle = <&phy0>; + status = "disabled"; +}; + +&mac1 { + phy-mode = "sgmii"; + phy-handle = <&phy1>; + status = "okay"; + + phy1: ethernet-phy@5 { + reg = <5>; + ti,fifo-depth = <0x01>; + }; + + phy0: ethernet-phy@4 { + reg = <4>; + ti,fifo-depth = <0x01>; + }; +}; + +&mbox { + status = "okay"; +}; + +&mmc { + bus-width = <4>; + disable-wp; + cap-sd-highspeed; + cap-mmc-highspeed; + card-detect-delay = <200>; + mmc-ddr-1_8v; + mmc-hs200-1_8v; + sd-uhs-sdr12; + sd-uhs-sdr25; + sd-uhs-sdr50; + sd-uhs-sdr104; + status = "okay"; +}; + +&mmuart0 { + status = "okay"; +}; + +&refclk { + clock-frequency = <125000000>; +}; + +&rtc { + status = "okay"; +}; + +&syscontroller { + status = "okay"; +}; |