arm64: dts: rockchip: Add some drive strength properties for rk3399

Change-Id: I8e838901729142dabff3703c52103daf28945edb
Signed-off-by: xiaoyao <xiaoyao@rock-chips.com>

diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
index 59f41e21796e168fa04bd6bc01daf1f63fdeee42..3c48578cde7ac6cf8ac7a9237249d1b4aceb5250 100644 (file)
--- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
@@ -1657,6 +1657,21 @@
                        bias-disable;
                };
 
+               pcfg_pull_up_20ma: pcfg-pull-up-20ma {
+                       bias-pull-up;
+                       drive-strength = <20>;
+               };
+
+               pcfg_pull_none_20ma: pcfg-pull-none-20ma {
+                       bias-disable;
+                       drive-strength = <20>;
+               };
+
+               pcfg_pull_none_18ma: pcfg-pull-none-18ma {
+                       bias-disable;
+                       drive-strength = <18>;
+               };
+
                pcfg_pull_none_12ma: pcfg-pull-none-12ma {
                        bias-disable;
                        drive-strength = <12>;