[PATCH v3 7/9] ARM64: dts: meson-gxbb: p20x: enable sdcard UHS modes

From: Jerome Brunet
Date: Thu Aug 31 2017 - 09:54:12 EST


Enable sdcard UHS modes, up to SDR50, on p20x based boards.
While the s905 supports SDR104 mode, it appears that the PCB of p20x
based boards can't cope with a rate as high as 200Mhz.

Signed-off-by: Jerome Brunet <jbrunet@xxxxxxxxxxxx>
---
arch/arm64/boot/dts/amlogic/meson-gxbb-p20x.dtsi | 3 +++
1 file changed, 3 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb-p20x.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxbb-p20x.dtsi
index 704b214e8894..23c08c3afd0a 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxbb-p20x.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gxbb-p20x.dtsi
@@ -226,6 +226,9 @@

bus-width = <4>;
cap-sd-highspeed;
+ sd-uhs-sdr12;
+ sd-uhs-sdr25;
+ sd-uhs-sdr50;
max-frequency = <100000000>;
disable-wp;

--
2.9.5