From 9c154ee1ff100d44cb7f9705e4b3118abbb8fe52 Mon Sep 17 00:00:00 2001 From: Kamal Wadhwa Date: Wed, 10 Jun 2026 16:45:05 +0530 Subject: [PATCH] arm64: dts: qcom: glymur-crd: Update VREG l2b_e0 and l9b_e0 voltage for SD-card SD cards may need 1.8v VDDIO also to be supported, to accommodate this requirement reduce the min voltage to 1.8v for `vreg_l2b_e0` which supplies to VDDIO pin of SD card. NOTE - Since this SD card is the only client on this regulator, this change should not have any side effect on any other clients. moreover, SD card driver takes care to explicitly vote for the regulator voltage based on the SD card detection sequence. Also for stable operation of the SD card increase VDD voltage supplied by `vreg_l9b_e0` to 2.96v. Signed-off-by: Kamal Wadhwa Signed-off-by: Monish Chunara Reviewed-by: Konrad Dybcio --- arch/arm64/boot/dts/qcom/glymur-crd.dtsi | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/arch/arm64/boot/dts/qcom/glymur-crd.dtsi b/arch/arm64/boot/dts/qcom/glymur-crd.dtsi index 8b1cfb057f71..50a64ca2c064 100644 --- a/arch/arm64/boot/dts/qcom/glymur-crd.dtsi +++ b/arch/arm64/boot/dts/qcom/glymur-crd.dtsi @@ -324,7 +324,7 @@ vreg_l2b_e0_2p9: ldo2 { regulator-name = "vreg_l2b_e0_2p9"; - regulator-min-microvolt = <2904000>; + regulator-min-microvolt = <1804000>; regulator-max-microvolt = <2904000>; regulator-initial-mode = ; }; @@ -343,10 +343,10 @@ regulator-initial-mode = ; }; - vreg_l9b_e0_2p7: ldo9 { - regulator-name = "vreg_l9b_e0_2p7"; - regulator-min-microvolt = <2704000>; - regulator-max-microvolt = <2704000>; + vreg_l9b_e0_2p9: ldo9 { + regulator-name = "vreg_l9b_e0_2p9"; + regulator-min-microvolt = <2960000>; + regulator-max-microvolt = <2960000>; regulator-initial-mode = ; };