2018-03-30 16:13:59

by Ryan Grachek

Subject: [PATCH] arm64: dts: hikey: Enable SDIO high-speed mode on WL1835 module

According to hardware documentation, the WL1835MOD WiFi chip
supports SDIO high-speed mode, which increases the clock to
50 MHz. This results in a modest increase in throughput.

Signed-off-by: Ryan Grachek <[email protected]>
---
arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts | 1 +
1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts b/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts
index 5d5aa4f4a235..a5e0cc4370e1 100644
--- a/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts
+++ b/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts
@@ -322,6 +322,7 @@

dwmmc_2: dwmmc2@f723f000 {
bus-width = <0x4>;
+ cap-sd-highspeed;
non-removable;
vmmc-supply = <&reg_vdd_3v3>;
mmc-pwrseq = <&wl1835_pwrseq>;
--
2.11.0