* [PATCH] arm64: dts: rockchip: correct vqmmc voltage for rk3399 platforms
@ 2017-10-17 3:38 Shawn Lin
[not found] ` <1508211484-210856-1-git-send-email-shawn.lin-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
0 siblings, 1 reply; 3+ messages in thread
From: Shawn Lin @ 2017-10-17 3:38 UTC (permalink / raw)
To: Heiko Stuebner
Cc: linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r, David Wu,
Elaine Zhang, Shawn Lin
The vcc_sd or vcc_sdio used for IO voltage for sdmmc and sdio
interface on rk3399 platform have a limitation that it can't be
larger than 3.0v, otherwise it has a potential risk for the chip.
Correct all of them.
Signed-off-by: Shawn Lin <shawn.lin-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
---
arch/arm64/boot/dts/rockchip/rk3399-firefly.dts | 4 ++--
arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi | 4 ++--
arch/arm64/boot/dts/rockchip/rk3399-sapphire.dtsi | 4 ++--
3 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-firefly.dts b/arch/arm64/boot/dts/rockchip/rk3399-firefly.dts
index da373dd..4f28628 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-firefly.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-firefly.dts
@@ -382,10 +382,10 @@
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <1800000>;
- regulator-max-microvolt = <3300000>;
+ regulator-max-microvolt = <3000000>;
regulator-state-mem {
regulator-on-in-suspend;
- regulator-suspend-microvolt = <3300000>;
+ regulator-suspend-microvolt = <3000000>;
};
};
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi
index 53ff3d1..910628d 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi
@@ -325,12 +325,12 @@
vcc_sd: LDO_REG4 {
regulator-name = "vcc_sd";
regulator-min-microvolt = <1800000>;
- regulator-max-microvolt = <3300000>;
+ regulator-max-microvolt = <3000000>;
regulator-always-on;
regulator-boot-on;
regulator-state-mem {
regulator-on-in-suspend;
- regulator-suspend-microvolt = <3300000>;
+ regulator-suspend-microvolt = <3000000>;
};
};
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-sapphire.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-sapphire.dtsi
index 6c30bb0..0f873c8 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-sapphire.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399-sapphire.dtsi
@@ -315,10 +315,10 @@
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <1800000>;
- regulator-max-microvolt = <3300000>;
+ regulator-max-microvolt = <3000000>;
regulator-state-mem {
regulator-on-in-suspend;
- regulator-suspend-microvolt = <3300000>;
+ regulator-suspend-microvolt = <3000000>;
};
};
--
1.9.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
end of thread, other threads:[~2017-10-17 17:50 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2017-10-17 3:38 [PATCH] arm64: dts: rockchip: correct vqmmc voltage for rk3399 platforms Shawn Lin
[not found] ` <1508211484-210856-1-git-send-email-shawn.lin-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
2017-10-17 9:16 ` klaus.goger-SN7IsUiht6C/RdPyistoZJqQE7yCjDx5
2017-10-17 17:50 ` [PATCH] " Heiko Stuebner
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox