* [PATCH 1/2] arm64: dts: rockchip: change the correct voltage range for rk3368 evb board
@ 2015-12-02 11:12 Caesar Wang
2015-12-02 11:12 ` [PATCH 2/2] ARM: dts: rockchip: change the correct voltage range for rk3288 " Caesar Wang
[not found] ` <1449054741-25354-1-git-send-email-wxt-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
0 siblings, 2 replies; 3+ messages in thread
From: Caesar Wang @ 2015-12-02 11:12 UTC (permalink / raw)
To: Heiko Stuebner, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r
Cc: linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r, Caesar Wang,
Rob Herring, Pawel Moll, Mark Rutland, Ian Campbell, Kumar Gala,
Catalin Marinas, Will Deacon, Kever Yang, Romain Perier,
Chris Zhong, devicetree-u79uwXL29TY76Z2rM5mHXA,
linux-kernel-u79uwXL29TY76Z2rM5mHXA
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-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
---
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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^ permalink raw reply related [flat|nested] 3+ messages in thread
* [PATCH 2/2] ARM: dts: rockchip: change the correct voltage range for rk3288 evb board
2015-12-02 11:12 [PATCH 1/2] arm64: dts: rockchip: change the correct voltage range for rk3368 evb board Caesar Wang
@ 2015-12-02 11:12 ` Caesar Wang
[not found] ` <1449054741-25354-1-git-send-email-wxt-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
1 sibling, 0 replies; 3+ messages in thread
From: Caesar Wang @ 2015-12-02 11:12 UTC (permalink / raw)
To: Heiko Stuebner, linux-arm-kernel
Cc: linux-rockchip, Caesar Wang, Rob Herring, Pawel Moll,
Mark Rutland, Ian Campbell, Kumar Gala, Russell King, devicetree,
linux-kernel
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
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH 1/2] arm64: dts: rockchip: change the correct voltage range for rk3368 evb board
[not found] ` <1449054741-25354-1-git-send-email-wxt-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
@ 2015-12-11 13:04 ` Heiko Stübner
0 siblings, 0 replies; 3+ messages in thread
From: Heiko Stübner @ 2015-12-11 13:04 UTC (permalink / raw)
To: Caesar Wang
Cc: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r,
linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r, Rob Herring,
Pawel Moll, Mark Rutland, Ian Campbell, Kumar Gala,
Catalin Marinas, Will Deacon, Kever Yang, Romain Perier,
Chris Zhong, devicetree-u79uwXL29TY76Z2rM5mHXA,
linux-kernel-u79uwXL29TY76Z2rM5mHXA
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-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
applied both patches to the 32 and 64 bit dts branches for 4.5
Thanks
Heiko
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^ permalink raw reply [flat|nested] 3+ messages in thread
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2015-12-02 11:12 [PATCH 1/2] arm64: dts: rockchip: change the correct voltage range for rk3368 evb board Caesar Wang
2015-12-02 11:12 ` [PATCH 2/2] ARM: dts: rockchip: change the correct voltage range for rk3288 " Caesar Wang
[not found] ` <1449054741-25354-1-git-send-email-wxt-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
2015-12-11 13:04 ` [PATCH 1/2] arm64: dts: rockchip: change the correct voltage range for rk3368 " Heiko Stübner
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