Message ID | 1449054741-25354-1-git-send-email-wxt@rock-chips.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
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
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; };
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(-)