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Groups > linux.kernel > #1281645
| From | Caesar Wang <wxt@rock-chips.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 2/2] ARM: dts: rockchip: change the correct voltage range for rk3288 evb board |
| Date | 2015-12-02 12:20 +0100 |
| Message-ID | <qBdC2-6rp-17@gated-at.bofh.it> (permalink) |
| References | <qBdC1-6rp-15@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
In general, the logic voltage is affected by ddr frequency factors.
We should fix the correct voltage range since assuemd that we have the
ddr frequency driver in mainline.
AFAIK, the 1.8v voltage is used by the SD3.0 card.
Signed-off-by: Caesar Wang <wxt@rock-chips.com>
---
arch/arm/boot/dts/rk3288-evb-act8846.dts | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/arm/boot/dts/rk3288-evb-act8846.dts b/arch/arm/boot/dts/rk3288-evb-act8846.dts
index 43949a6..2797f32 100644
--- a/arch/arm/boot/dts/rk3288-evb-act8846.dts
+++ b/arch/arm/boot/dts/rk3288-evb-act8846.dts
@@ -119,8 +119,8 @@
vdd_log: REG3 {
regulator-name = "VDD_LOG";
- regulator-min-microvolt = <1000000>;
- regulator-max-microvolt = <1000000>;
+ regulator-min-microvolt = <700000>;
+ regulator-max-microvolt = <1500000>;
regulator-always-on;
};
@@ -133,7 +133,7 @@
vccio_sd: REG5 {
regulator-name = "VCCIO_SD";
- regulator-min-microvolt = <3300000>;
+ regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
};
--
1.9.1
--
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[PATCH 1/2] arm64: dts: rockchip: change the correct voltage range for rk3368 evb board Caesar Wang <wxt@rock-chips.com> - 2015-12-02 12:20 +0100 [PATCH 2/2] ARM: dts: rockchip: change the correct voltage range for rk3288 evb board Caesar Wang <wxt@rock-chips.com> - 2015-12-02 12:20 +0100 Re: [PATCH 1/2] arm64: dts: rockchip: change the correct voltage range for rk3368 evb board Heiko Stübner <heiko@sntech.de> - 2015-12-11 14:10 +0100
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