| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * Device Tree Source for the Silicon Linux RZ/G2E 96board platform (CAT874) |
| * |
| * Copyright (C) 2019 Renesas Electronics Corp. |
| */ |
| |
| /dts-v1/; |
| #include "r8a774c0.dtsi" |
| #include <dt-bindings/gpio/gpio.h> |
| |
| / { |
| model = "Silicon Linux RZ/G2E 96board platform (CAT874)"; |
| compatible = "si-linux,cat874", "renesas,r8a774c0"; |
| |
| aliases { |
| serial0 = &scif2; |
| }; |
| |
| chosen { |
| bootargs = "ignore_loglevel rw root=/dev/nfs ip=dhcp"; |
| stdout-path = "serial0:115200n8"; |
| }; |
| |
| memory@48000000 { |
| device_type = "memory"; |
| /* first 128MB is reserved for secure area. */ |
| reg = <0x0 0x48000000 0x0 0x78000000>; |
| }; |
| |
| vcc_sdhi0: regulator-vcc-sdhi0 { |
| compatible = "regulator-fixed"; |
| |
| regulator-name = "SDHI0 Vcc"; |
| regulator-min-microvolt = <3300000>; |
| regulator-max-microvolt = <3300000>; |
| regulator-always-on; |
| regulator-boot-on; |
| }; |
| |
| vccq_sdhi0: regulator-vccq-sdhi0 { |
| compatible = "regulator-gpio"; |
| |
| regulator-name = "SDHI0 VccQ"; |
| regulator-min-microvolt = <1800000>; |
| regulator-max-microvolt = <3300000>; |
| |
| gpios = <&gpio3 13 GPIO_ACTIVE_HIGH>; |
| gpios-states = <1>; |
| states = <3300000 1 |
| 1800000 0>; |
| }; |
| }; |
| |
| &extal_clk { |
| clock-frequency = <48000000>; |
| }; |
| |
| &pcie_bus_clk { |
| clock-frequency = <100000000>; |
| }; |
| |
| &pciec0 { |
| /* Map all possible DDR as inbound ranges */ |
| dma-ranges = <0x42000000 0 0x40000000 0 0x40000000 0 0x80000000>; |
| }; |
| |
| &pfc { |
| scif2_pins: scif2 { |
| groups = "scif2_data_a"; |
| function = "scif2"; |
| }; |
| |
| sdhi0_pins: sd0 { |
| groups = "sdhi0_data4", "sdhi0_ctrl"; |
| function = "sdhi0"; |
| power-source = <3300>; |
| }; |
| |
| sdhi0_pins_uhs: sd0_uhs { |
| groups = "sdhi0_data4", "sdhi0_ctrl"; |
| function = "sdhi0"; |
| power-source = <1800>; |
| }; |
| }; |
| |
| &scif2 { |
| pinctrl-0 = <&scif2_pins>; |
| pinctrl-names = "default"; |
| |
| status = "okay"; |
| }; |
| |
| &sdhi0 { |
| pinctrl-0 = <&sdhi0_pins>; |
| pinctrl-1 = <&sdhi0_pins_uhs>; |
| pinctrl-names = "default", "state_uhs"; |
| |
| vmmc-supply = <&vcc_sdhi0>; |
| vqmmc-supply = <&vccq_sdhi0>; |
| cd-gpios = <&gpio3 12 GPIO_ACTIVE_LOW>; |
| bus-width = <4>; |
| sd-uhs-sdr50; |
| sd-uhs-sdr104; |
| status = "okay"; |
| }; |