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[PATCH 1/2] arm64: dts: rockchip: change the correct voltage range for rk3368 evb board

Started byCaesar Wang <wxt@rock-chips.com>
First post2015-12-02 12:20 +0100
Last post2015-12-11 14:10 +0100
Articles 3 — 2 participants

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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

#1281644 — [PATCH 1/2] arm64: dts: rockchip: change the correct voltage range for rk3368 evb board

FromCaesar Wang <wxt@rock-chips.com>
Date2015-12-02 12:20 +0100
Subject[PATCH 1/2] arm64: dts: rockchip: change the correct voltage range for rk3368 evb board
Message-ID<qBdC1-6rp-15@gated-at.bofh.it>
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/arm64/boot/dts/rockchip/rk3368-evb-act8846.dts | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/arm64/boot/dts/rockchip/rk3368-evb-act8846.dts b/arch/arm64/boot/dts/rockchip/rk3368-evb-act8846.dts
index eed6d3c..8a5275f 100644
--- a/arch/arm64/boot/dts/rockchip/rk3368-evb-act8846.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3368-evb-act8846.dts
@@ -104,8 +104,8 @@
 
 			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;
 			};
 
@@ -118,7 +118,7 @@
 
 			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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#1281645 — [PATCH 2/2] ARM: dts: rockchip: change the correct voltage range for rk3288 evb board

FromCaesar Wang <wxt@rock-chips.com>
Date2015-12-02 12:20 +0100
Subject[PATCH 2/2] ARM: dts: rockchip: change the correct voltage range for rk3288 evb board
Message-ID<qBdC2-6rp-17@gated-at.bofh.it>
In reply to#1281644
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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#1289550

FromHeiko Stübner <heiko@sntech.de>
Date2015-12-11 14:10 +0100
Message-ID<qEvCq-4MO-17@gated-at.bofh.it>
In reply to#1281644
Hi Caesar,

Am Mittwoch, 2. Dezember 2015, 19:12:20 schrieb Caesar Wang:
> 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>

applied both patches to the 32 and 64 bit dts branches for 4.5


Thanks
Heiko
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