[PATCH 1/2] ARM: dts: rockchip: Support UHS mode for SD card on PopMetal-RK3288 board

[PATCH 1/2] ARM: dts: rockchip: Support UHS mode for SD card on PopMetal-RK3288 board

[Shawn Lin]

PopMetal-RK3288 board could enable SD3.0 card but need vccio_sd
to support the voltage range from 1V8 to 3V3 and we also need to
add more UHS mode here.

Signed-off-by: Shawn Lin <shawn.lin-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
---

 arch/arm/boot/dts/rk3288-popmetal.dts | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/rk3288-popmetal.dts b/arch/arm/boot/dts/rk3288-popmetal.dts
index 23003a2..3831cd5 100644
--- a/arch/arm/boot/dts/rk3288-popmetal.dts
+++ b/arch/arm/boot/dts/rk3288-popmetal.dts
@@ -165,6 +165,10 @@
 	num-slots = <1>;
 	pinctrl-names = "default";
 	pinctrl-0 = <&sdmmc_clk &sdmmc_cmd &sdmmc_cd &sdmmc_bus4>;
+	sd-uhs-sdr12;
+	sd-uhs-sdr25;
+	sd-uhs-sdr50;
+	sd-uhs-sdr104;
 	vmmc-supply = <&vcc_sd>;
 	vqmmc-supply = <&vccio_sd>;
 	status = "okay";
@@ -280,7 +284,7 @@
 			vccio_sd: LDO_REG2 {
 				regulator-always-on;
 				regulator-boot-on;
-				regulator-min-microvolt = <3300000>;
+				regulator-min-microvolt = <1800000>;
 				regulator-max-microvolt = <3300000>;
 				regulator-name = "vccio_sd";
 				regulator-state-mem {
-- 
2.3.7

[PATCH 2/2] ARM: dts: rockchip: enable HS200/DDR52 mode for emmc on rk3288-popmetal

[Shawn Lin]

Enable these two modes to speed up the booting and improve
the performance.

Signed-off-by: Shawn Lin <shawn.lin-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
---

 arch/arm/boot/dts/rk3288-popmetal.dts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm/boot/dts/rk3288-popmetal.dts b/arch/arm/boot/dts/rk3288-popmetal.dts
index 3831cd5..7500e98 100644
--- a/arch/arm/boot/dts/rk3288-popmetal.dts
+++ b/arch/arm/boot/dts/rk3288-popmetal.dts
@@ -148,6 +148,8 @@
 	cap-mmc-highspeed;
 	disable-wp;
 	non-removable;
+	mmc-ddr-1_8v;
+	mmc-hs200-1_8v;
 	num-slots = <1>;
 	pinctrl-names = "default";
 	pinctrl-0 = <&emmc_clk &emmc_cmd &emmc_pwr &emmc_bus8>;
-- 
2.3.7

Re: [PATCH 2/2] ARM: dts: rockchip: enable HS200/DDR52 mode for emmc on rk3288-popmetal

[Heiko Stuebner]

Am Montag, 10. Oktober 2016, 20:33:46 CEST schrieb Shawn Lin:
> Enable these two modes to speed up the booting and improve
> the performance.
> 
> Signed-off-by: Shawn Lin <shawn.lin-TNX95d0MmH7DzftRWevZcw@public.gmane.org>

applied both patches for 4.10 after moving the mmc-* above non-removable


Thanks
Heiko

> ---
> 
>  arch/arm/boot/dts/rk3288-popmetal.dts | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/rk3288-popmetal.dts
> b/arch/arm/boot/dts/rk3288-popmetal.dts index 3831cd5..7500e98 100644
> --- a/arch/arm/boot/dts/rk3288-popmetal.dts
> +++ b/arch/arm/boot/dts/rk3288-popmetal.dts
> @@ -148,6 +148,8 @@
>  	cap-mmc-highspeed;
>  	disable-wp;
>  	non-removable;
> +	mmc-ddr-1_8v;
> +	mmc-hs200-1_8v;
>  	num-slots = <1>;
>  	pinctrl-names = "default";
>  	pinctrl-0 = <&emmc_clk &emmc_cmd &emmc_pwr &emmc_bus8>;