mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-14 18:26:47 +07:00
e259e04748
Add support for the SPI NOR device used to boot up the system to the iWave RZ/G1N Qseven System On Module DT. Signed-off-by: Biju Das <biju.das@bp.renesas.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
91 lines
1.6 KiB
Plaintext
91 lines
1.6 KiB
Plaintext
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* Device Tree Source for the iWave RZ/G1N Qseven SOM
|
|
*
|
|
* Copyright (C) 2018 Renesas Electronics Corp.
|
|
*/
|
|
|
|
#include "r8a7744.dtsi"
|
|
#include <dt-bindings/gpio/gpio.h>
|
|
|
|
/ {
|
|
compatible = "iwave,g20m", "renesas,r8a7744";
|
|
|
|
memory@40000000 {
|
|
device_type = "memory";
|
|
reg = <0 0x40000000 0 0x40000000>;
|
|
};
|
|
|
|
reg_3p3v: 3p3v {
|
|
compatible = "regulator-fixed";
|
|
regulator-name = "3P3V";
|
|
regulator-min-microvolt = <3300000>;
|
|
regulator-max-microvolt = <3300000>;
|
|
regulator-always-on;
|
|
regulator-boot-on;
|
|
};
|
|
};
|
|
|
|
&extal_clk {
|
|
clock-frequency = <20000000>;
|
|
};
|
|
|
|
&pfc {
|
|
mmcif0_pins: mmc {
|
|
groups = "mmc_data8_b", "mmc_ctrl";
|
|
function = "mmc";
|
|
};
|
|
|
|
qspi_pins: qspi {
|
|
groups = "qspi_ctrl", "qspi_data2";
|
|
function = "qspi";
|
|
};
|
|
|
|
sdhi0_pins: sd0 {
|
|
groups = "sdhi0_data4", "sdhi0_ctrl";
|
|
function = "sdhi0";
|
|
power-source = <3300>;
|
|
};
|
|
};
|
|
|
|
&mmcif0 {
|
|
pinctrl-0 = <&mmcif0_pins>;
|
|
pinctrl-names = "default";
|
|
|
|
vmmc-supply = <®_3p3v>;
|
|
bus-width = <8>;
|
|
non-removable;
|
|
status = "okay";
|
|
};
|
|
|
|
&qspi {
|
|
pinctrl-0 = <&qspi_pins>;
|
|
pinctrl-names = "default";
|
|
|
|
status = "okay";
|
|
|
|
/* WARNING - This device contains the bootloader. Handle with care. */
|
|
flash: flash@0 {
|
|
#address-cells = <1>;
|
|
#size-cells = <1>;
|
|
compatible = "jedec,spi-nor";
|
|
reg = <0>;
|
|
spi-max-frequency = <50000000>;
|
|
spi-tx-bus-width = <2>;
|
|
spi-rx-bus-width = <2>;
|
|
m25p,fast-read;
|
|
spi-cpol;
|
|
spi-cpha;
|
|
};
|
|
};
|
|
|
|
&sdhi0 {
|
|
pinctrl-0 = <&sdhi0_pins>;
|
|
pinctrl-names = "default";
|
|
|
|
vmmc-supply = <®_3p3v>;
|
|
vqmmc-supply = <®_3p3v>;
|
|
cd-gpios = <&gpio7 11 GPIO_ACTIVE_LOW>;
|
|
status = "okay";
|
|
};
|