diff options
Diffstat (limited to 'arch/arm/boot/dts/armada-38x-solidrun-microsom.dtsi')
| -rw-r--r-- | arch/arm/boot/dts/armada-38x-solidrun-microsom.dtsi | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/armada-38x-solidrun-microsom.dtsi b/arch/arm/boot/dts/armada-38x-solidrun-microsom.dtsi new file mode 100644 index 000000000..2c64bc6e5 --- /dev/null +++ b/arch/arm/boot/dts/armada-38x-solidrun-microsom.dtsi @@ -0,0 +1,117 @@ +// SPDX-License-Identifier: (GPL-2.0 OR MIT) +/* + * Device Tree file for SolidRun Armada 38x Microsom + * + * Copyright (C) 2015 Russell King + */ +#include <dt-bindings/input/input.h> +#include <dt-bindings/gpio/gpio.h> + +/ { + memory { + device_type = "memory"; + reg = <0x00000000 0x10000000>; /* 256 MB */ + }; + + soc { + ranges = <MBUS_ID(0xf0, 0x01) 0 0xf1000000 0x100000 + MBUS_ID(0x01, 0x1d) 0 0xfff00000 0x100000 + MBUS_ID(0x09, 0x19) 0 0xf1100000 0x10000 + MBUS_ID(0x09, 0x15) 0 0xf1110000 0x10000 + MBUS_ID(0x0c, 0x04) 0 0xf1200000 0x100000>; + + internal-regs { + rtc@a3800 { + /* + * If the rtc doesn't work, run "date reset" + * twice in u-boot. + */ + status = "okay"; + }; + }; + }; +}; + +&bm { + status = "okay"; +}; + +&bm_bppi { + status = "okay"; +}; + +ð0 { + /* ethernet@70000 */ + pinctrl-0 = <&ge0_rgmii_pins>; + pinctrl-names = "default"; + phy = <&phy_dedicated>; + phy-mode = "rgmii-id"; + buffer-manager = <&bm>; + bm,pool-long = <0>; + bm,pool-short = <1>; + status = "okay"; +}; + +&mdio { + /* + * Add the phy clock here, so the phy can be accessed to read its + * IDs prior to binding with the driver. + */ + pinctrl-0 = <&mdio_pins µsom_phy_clk_pins>; + pinctrl-names = "default"; + + phy_dedicated: ethernet-phy@0 { + /* + * Annoyingly, the marvell phy driver configures the LED + * register, rather than preserving reset-loaded setting. + * We undo that rubbish here. + */ + marvell,reg-init = <3 16 0 0x101e>; + reg = <0>; + }; +}; + +&i2c0 { + clock-frequency = <400000>; + pinctrl-0 = <&i2c0_pins>; + pinctrl-names = "default"; + status = "okay"; + + eeprom@53 { + compatible = "atmel,24c02"; + reg = <0x53>; + pagesize = <16>; + }; +}; + +&pinctrl { + microsom_phy_clk_pins: microsom-phy-clk-pins { + marvell,pins = "mpp45"; + marvell,function = "ref"; + }; + /* Optional eMMC */ + microsom_sdhci_pins: microsom-sdhci-pins { + marvell,pins = "mpp21", "mpp28", "mpp37", + "mpp38", "mpp39", "mpp40"; + marvell,function = "sd0"; + }; +}; + +&spi1 { + /* The microsom has an optional W25Q32 on board, connected to CS0 */ + pinctrl-0 = <&spi1_pins>; + + w25q32: flash@0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "w25q32", "jedec,spi-nor"; + reg = <0>; /* Chip select 0 */ + spi-max-frequency = <3000000>; + }; +}; + +&uart0 { + pinctrl-0 = <&uart0_pins>; + pinctrl-names = "default"; + status = "okay"; +}; |