u-boot-brain/arch/arm/dts/r8a77990-ebisu.dts
Marek Vasut d0e0bbe7d1 ARM: dts: rmobile: Enable SDR modes on E3 Ebisu
Add regulators and pinmuxes for SDHI0 and SDHI1 SD and microSD
slots on E3 Ebisu and mark them as capable of up to SDR104 mode
of operation. With the SDHI fixes in place, it is now possible
to use SDR104.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
2018-12-03 12:51:17 +01:00

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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Device Tree Source for the ebisu board
*
* Copyright (C) 2018 Renesas Electronics Corp.
*/
/dts-v1/;
#include "r8a77990.dtsi"
#include <dt-bindings/gpio/gpio.h>
/ {
model = "Renesas Ebisu board based on r8a77990";
compatible = "renesas,ebisu", "renesas,r8a77990";
aliases {
serial0 = &scif2;
ethernet0 = &avb;
};
chosen {
bootargs = "ignore_loglevel";
stdout-path = "serial0:115200n8";
};
memory@48000000 {
device_type = "memory";
/* first 128MB is reserved for secure area. */
reg = <0x0 0x48000000 0x0 0x38000000>;
};
reg_1p8v: regulator0 {
compatible = "regulator-fixed";
regulator-name = "fixed-1.8V";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-boot-on;
regulator-always-on;
};
reg_3p3v: regulator1 {
compatible = "regulator-fixed";
regulator-name = "fixed-3.3V";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
regulator-always-on;
};
vcc_sdhi0: regulator-vcc-sdhi0 {
compatible = "regulator-fixed";
regulator-name = "SDHI0 Vcc";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
gpio = <&gpio5 17 GPIO_ACTIVE_HIGH>;
enable-active-high;
};
vccq_sdhi0: regulator-vccq-sdhi0 {
compatible = "regulator-gpio";
regulator-name = "SDHI0 VccQ";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
gpios = <&gpio5 18 GPIO_ACTIVE_HIGH>;
gpios-states = <1>;
states = <3300000 1
1800000 0>;
};
vcc_sdhi1: regulator-vcc-sdhi1 {
compatible = "regulator-fixed";
regulator-name = "SDHI1 Vcc";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
gpio = <&gpio0 4 GPIO_ACTIVE_HIGH>;
enable-active-high;
};
vccq_sdhi1: regulator-vccq-sdhi1 {
compatible = "regulator-gpio";
regulator-name = "SDHI1 VccQ";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
gpios = <&gpio3 15 GPIO_ACTIVE_HIGH>;
gpios-states = <1>;
states = <3300000 1
1800000 0>;
};
};
&avb {
pinctrl-0 = <&avb_pins>;
pinctrl-names = "default";
renesas,no-ether-link;
phy-handle = <&phy0>;
phy-mode = "rgmii-txid";
status = "okay";
phy0: ethernet-phy@0 {
rxc-skew-ps = <1500>;
reg = <0>;
interrupt-parent = <&gpio2>;
interrupts = <21 IRQ_TYPE_LEVEL_LOW>;
reset-gpios = <&gpio1 20 GPIO_ACTIVE_LOW>;
};
};
&ehci0 {
status = "okay";
};
&extal_clk {
clock-frequency = <48000000>;
};
&pfc {
pinctrl-0 = <&scif_clk_pins>;
pinctrl-names = "default";
avb_pins: avb {
mux {
groups = "avb_link", "avb_mii";
function = "avb";
};
};
scif2_pins: scif2 {
groups = "scif2_data_a";
function = "scif2";
};
scif_clk_pins: scif_clk {
groups = "scif_clk_a";
function = "scif_clk";
};
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>;
};
sdhi1_pins: sd1 {
groups = "sdhi1_data4", "sdhi1_ctrl";
function = "sdhi1";
power-source = <3300>;
};
sdhi1_pins_uhs: sd1_uhs {
groups = "sdhi1_data4", "sdhi1_ctrl";
function = "sdhi1";
power-source = <1800>;
};
sdhi3_pins: sd2 {
groups = "sdhi3_data8", "sdhi3_ctrl";
function = "sdhi3";
power-source = <1800>;
};
sdhi3_pins_uhs: sd2_uhs {
groups = "sdhi3_data8", "sdhi3_ctrl";
function = "sdhi3";
power-source = <1800>;
};
usb0_pins: usb0 {
groups = "usb0";
function = "usb0";
};
};
&usb2_phy0 {
pinctrl-0 = <&usb0_pins>;
pinctrl-name = "default";
status = "okay";
};
&sdhi0 {
/* full size SD */
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>;
wp-gpios = <&gpio3 13 GPIO_ACTIVE_HIGH>;
bus-width = <4>;
sd-uhs-sdr12;
sd-uhs-sdr25;
sd-uhs-sdr50;
sd-uhs-sdr104;
status = "okay";
max-frequency = <208000000>;
};
&sdhi1 {
/* microSD */
pinctrl-0 = <&sdhi1_pins>;
pinctrl-1 = <&sdhi1_pins_uhs>;
pinctrl-names = "default", "state_uhs";
vmmc-supply = <&vcc_sdhi1>;
vqmmc-supply = <&vccq_sdhi1>;
cd-gpios = <&gpio3 14 GPIO_ACTIVE_LOW>;
bus-width = <4>;
sd-uhs-sdr12;
sd-uhs-sdr25;
sd-uhs-sdr50;
sd-uhs-sdr104;
status = "okay";
max-frequency = <208000000>;
};
&sdhi3 {
/* used for on-board 8bit eMMC */
pinctrl-0 = <&sdhi3_pins>;
pinctrl-1 = <&sdhi3_pins_uhs>;
pinctrl-names = "default", "state_uhs";
vmmc-supply = <&reg_3p3v>;
vqmmc-supply = <&reg_1p8v>;
bus-width = <8>;
mmc-hs200-1_8v;
non-removable;
status = "okay";
};
&scif2 {
pinctrl-0 = <&scif2_pins>;
pinctrl-names = "default";
status = "okay";
};