openwrt/target/linux/rockchip/patches-6.6/052-04-v6.7-arm64-dts-rockchip-Add-sdio-node-to-rock-5b.patch

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From 1c9a53ff7ece056eb995332f0d9523ca43fdcb5a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tam=C3=A1s=20Sz=C5=B1cs?= <tszucs@protonmail.ch>
Date: Sun, 24 Sep 2023 20:37:45 +0000
Subject: [PATCH] arm64: dts: rockchip: Add sdio node to rock-5b
MIME-Version: 1.0
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Enable SDIO on Radxa ROCK 5 Model B M.2 Key E. Add sdio node and alias as mmc2.
Add regulator for the 3.3 V rail bringing it up during boot. Make sure EKEY_EN
is muxed as GPIO.
Signed-off-by: Tamás Szűcs <tszucs@protonmail.ch>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Link: https://lore.kernel.org/r/20230924203740.65744-1-tszucs@protonmail.ch
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
---
.../boot/dts/rockchip/rk3588-rock-5b.dts | 43 +++++++++++++++++++
1 file changed, 43 insertions(+)
--- a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
@@ -12,6 +12,7 @@
aliases {
mmc0 = &sdhci;
mmc1 = &sdmmc;
+ mmc2 = &sdio;
};
chosen {
@@ -112,6 +113,21 @@
regulator-max-microvolt = <1100000>;
vin-supply = <&vcc5v0_sys>;
};
+
+ vcc3v3_wf: vcc3v3-wf-regulator {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc3v3_wf";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ enable-active-high;
+ gpios = <&gpio1 RK_PD2 GPIO_ACTIVE_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&vcc3v3_wf_en>;
+ startup-delay-us = <50000>;
+ vin-supply = <&vcc5v0_sys>;
+ };
};
&combphy0_ps {
@@ -318,6 +334,12 @@
rockchip,pins = <4 RK_PB0 RK_FUNC_GPIO &pcfg_pull_none>;
};
};
+
+ m2e {
+ vcc3v3_wf_en: vcc3v3-wf-en {
+ rockchip,pins = <1 RK_PD2 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+ };
};
&pwm1 {
@@ -354,6 +376,27 @@
status = "okay";
};
+&sdio {
+ max-frequency = <200000000>;
+ no-sd;
+ no-mmc;
+ non-removable;
+ bus-width = <4>;
+ cap-sdio-irq;
+ disable-wp;
+ keep-power-in-suspend;
+ wakeup-source;
+ sd-uhs-sdr12;
+ sd-uhs-sdr25;
+ sd-uhs-sdr50;
+ sd-uhs-sdr104;
+ vmmc-supply = <&vcc3v3_wf>;
+ vqmmc-supply = <&vcc_1v8_s3>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&sdiom0_pins>;
+ status = "okay";
+};
+
&spi2 {
status = "okay";
assigned-clocks = <&cru CLK_SPI2>;