github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-28 17:13:52 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

arm64: dts: renesas: rzg2l-smarc-som: Enable serial NOR flash

Browse Source 
Enable mt25qu512a flash connected to QSPI0.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20211121234906.9602-1-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
This commit is contained in:
Lad Prabhakar 2021-11-21 23:49:06 +00:00 committed by Geert Uytterhoeven
parent 00d071e23c
commit c81bd70f47
1 changed files with 40 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

40
arch/arm64/boot/dts/renesas/rzg2l-smarc-som.dtsi
View File

@ -186,6 +186,18 @@ gpio-sd0-pwr-en-hog {
line-name = "gpio_sd0_pwr_en";
};
qspi0_pins: qspi0 {
qspi0-data {
pins = "QSPI0_IO0", "QSPI0_IO1", "QSPI0_IO2", "QSPI0_IO3";
power-source = <1800>;
};
qspi0-ctrl {
pins = "QSPI0_SPCLK", "QSPI0_SSL", "QSPI_RESET#";
power-source = <1800>;
};
};
/*
* SD0 device selection is XOR between GPIO_SD0_DEV_SEL and SW1[2]
* The below switch logic can be used to select the device between
@ -251,6 +263,34 @@ sd0_mux_uhs {
};
};
&sbc {
pinctrl-0 = <&qspi0_pins>;
pinctrl-names = "default";
status = "okay";
flash@0 {
compatible = "micron,mt25qu512a", "jedec,spi-nor";
reg = <0>;
m25p,fast-read;
spi-max-frequency = <50000000>;
spi-rx-bus-width = <4>;
partitions {
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
boot@0 {
reg = <0x00000000 0x2000000>;
read-only;
};
user@2000000 {
reg = <0x2000000 0x2000000>;
};
};
};
};
#if SDHI
&sdhi0 {
pinctrl-0 = <&sdhi0_pins>;