ARM: dts: rockchip: add sdcard io-domain node for miniarm

Both 3.3v and 1.8v are available on rk3288-miniarm board, so add sd
io-domain support in case need to deploy UHS speed mode.

Change-Id: I44a7c775620e32105c8c1b91219aac8b9d8b9e92
Signed-off-by: Ziyuan Xu <xzy.xu@rock-chips.com>

diff --git a/arch/arm/boot/dts/rk3288-miniarm.dts b/arch/arm/boot/dts/rk3288-miniarm.dts
index 90c0e1a779ee8ac5f2c40761d8888775a38763c7..7c44b8cca3fdef78664d6542493560f95d69de68 100644 (file)
--- a/arch/arm/boot/dts/rk3288-miniarm.dts
+++ b/arch/arm/boot/dts/rk3288-miniarm.dts
@@ -111,6 +111,13 @@
                regulator-boot-on;
        };
 
+       io_domains: io-domains {
+               compatible = "rockchip,rk3288-io-voltage-domain";
+               rockchip,grf = <&grf>;
+
+               sdcard-supply = <&vccio_sd>;
+       };
+
        /*
         * NOTE: vcc_sd isn't hooked up on v1.0 boards where power comes from
         * vcc_io directly.  Those boards won't be able to power cycle SD cards