[PATCH v2 3/4] arm64: meson: update SDIO voltage in dts for JetHub D1

Vyacheslav Bocharov adeep at lexina.in
Sat Mar 26 00:51:09 PDT 2022


Fix the dts to match board's reference design:
- update vddio_boot regulator to 3.3v (Wi-Fi SDIO module)
- add vccq_1v8 regulator with 1.8v for eMMC SDIO

In the first revision of JetHub D1 the vccq_1v8 regulator was 3.3v.
All installed eMMC modules were tested to work in HS200 mode at 3.3v
supply voltage. In the next revisions of the board eMMC will be
powered with 1.8v according to the standard.

Signed-off-by: Vyacheslav Bocharov <adeep at lexina.in>
---
 .../dts/amlogic/meson-axg-jethome-jethub-j100.dts     | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/amlogic/meson-axg-jethome-jethub-j100.dts b/arch/arm64/boot/dts/amlogic/meson-axg-jethome-jethub-j100.dts
index 66c1eeba8f48..e52abffdf8cf 100644
--- a/arch/arm64/boot/dts/amlogic/meson-axg-jethome-jethub-j100.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-axg-jethome-jethub-j100.dts
@@ -81,6 +81,15 @@ vddio_ao18: regulator-vddio_ao18 {
 	vddio_boot: regulator-vddio_boot {
 		compatible = "regulator-fixed";
 		regulator-name = "VDDIO_BOOT";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		vin-supply = <&vddao_3v3>;
+		regulator-always-on;
+	};
+
+	vccq_1v8: regulator-vccq_1v8 {
+		compatible = "regulator-fixed";
+		regulator-name = "VCCQ_1V8";
 		regulator-min-microvolt = <1800000>;
 		regulator-max-microvolt = <1800000>;
 		vin-supply = <&vddao_3v3>;
@@ -282,7 +291,7 @@ &sd_emmc_c {
 	mmc-pwrseq = <&emmc_pwrseq>;
 
 	vmmc-supply = <&vcc_3v3>;
-	vqmmc-supply = <&vddio_boot>;
+	vqmmc-supply = <&vccq_1v8>;
 };
 
 /* UART Bluetooth */
-- 
2.30.2




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