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* [PATCH 1/2] arm64: dts: rockchip: Increase maximal SDIO voltage to 3.3 V
@ 2021-01-24 21:03 Uwe Kleine-König
  2021-01-24 21:03 ` [PATCH 2/2] arm64: dts: rockchip: Rely on SoC external pull up on pmic-int-l Uwe Kleine-König
  2021-01-25 23:56 ` [PATCH 1/2] arm64: dts: rockchip: Increase maximal SDIO voltage to 3.3 V Heiko Stuebner
  0 siblings, 2 replies; 3+ messages in thread
From: Uwe Kleine-König @ 2021-01-24 21:03 UTC (permalink / raw)
  To: Rob Herring, Heiko Stuebner; +Cc: devicetree, linux-rockchip, Aditya Prayoga

While comparing the vendor dts with the one added in v5.11-rc1 I noticed
that the vendor dts specified 3.3 V which matches the SDIO specification.

So fix the sdio regulator to provide (up to) 3.3 V.

Signed-off-by: Uwe Kleine-König <uwe@kleine-koenig.org>
---
 arch/arm64/boot/dts/rockchip/rk3399-kobol-helios64.dts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/rockchip/rk3399-kobol-helios64.dts b/arch/arm64/boot/dts/rockchip/rk3399-kobol-helios64.dts
index 2a561be724b2..d6446c32b91e 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-kobol-helios64.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-kobol-helios64.dts
@@ -251,11 +251,11 @@ vcc_sdio_s0: LDO_REG4 {
 				regulator-always-on;
 				regulator-boot-on;
 				regulator-min-microvolt = <1800000>;
-				regulator-max-microvolt = <3000000>;
+				regulator-max-microvolt = <3300000>;
 
 				regulator-state-mem {
 					regulator-on-in-suspend;
-					regulator-suspend-microvolt = <3000000>;
+					regulator-suspend-microvolt = <3300000>;
 				};
 			};
 

base-commit: 19c329f6808995b142b3966301f217c831e7cf31
-- 
2.29.2


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2021-01-24 21:03 [PATCH 1/2] arm64: dts: rockchip: Increase maximal SDIO voltage to 3.3 V Uwe Kleine-König
2021-01-24 21:03 ` [PATCH 2/2] arm64: dts: rockchip: Rely on SoC external pull up on pmic-int-l Uwe Kleine-König
2021-01-25 23:56 ` [PATCH 1/2] arm64: dts: rockchip: Increase maximal SDIO voltage to 3.3 V Heiko Stuebner

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