arm64: dts: uniphier: add eMMC hardware reset provider node

Add mmc-pwrseq-emmc node to perform standard eMMC hardware reset
procedure.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

arch/arm64/boot/dts/socionext/uniphier-ld11.dtsi

@@ -7,6 +7,8 @@
  * SPDX-License-Identifier: (GPL-2.0+ OR MIT)
  */
 
+#include <dt-bindings/gpio/gpio.h>
+
 /memreserve/ 0x80000000 0x02000000;
 
 / {
@@ -96,6 +98,11 @@ refclk: ref {
 		};
 	};
 
+	emmc_pwrseq: emmc-pwrseq {
+		compatible = "mmc-pwrseq-emmc";
+		reset-gpios = <&gpio 26 GPIO_ACTIVE_LOW>;
+	};
+
 	timer {
 		compatible = "arm,armv8-timer";
 		interrupts = <1 13 4>,
@@ -310,6 +317,7 @@ emmc: sdhc@5a000000 {
 			bus-width = <8>;
 			mmc-ddr-1_8v;
 			mmc-hs200-1_8v;
+			mmc-pwrseq = <&emmc_pwrseq>;
 			cdns,phy-input-delay-legacy = <4>;
 			cdns,phy-input-delay-mmc-highspeed = <2>;
 			cdns,phy-input-delay-mmc-ddr = <3>;

arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi

@@ -7,6 +7,7 @@
  * SPDX-License-Identifier: (GPL-2.0+ OR MIT)
  */
 
+#include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/thermal/thermal.h>
 
 /memreserve/ 0x80000000 0x02000000;
@@ -169,6 +170,11 @@ refclk: ref {
 		};
 	};
 
+	emmc_pwrseq: emmc-pwrseq {
+		compatible = "mmc-pwrseq-emmc";
+		reset-gpios = <&gpio 26 GPIO_ACTIVE_LOW>;
+	};
+
 	timer {
 		compatible = "arm,armv8-timer";
 		interrupts = <1 13 4>,
@@ -416,6 +422,7 @@ emmc: sdhc@5a000000 {
 			bus-width = <8>;
 			mmc-ddr-1_8v;
 			mmc-hs200-1_8v;
+			mmc-pwrseq = <&emmc_pwrseq>;
 			cdns,phy-input-delay-legacy = <4>;
 			cdns,phy-input-delay-mmc-highspeed = <2>;
 			cdns,phy-input-delay-mmc-ddr = <3>;

arch/arm64/boot/dts/socionext/uniphier-pxs3.dtsi

@@ -7,6 +7,8 @@
  * SPDX-License-Identifier: (GPL-2.0+ OR MIT)
  */
 
+#include <dt-bindings/gpio/gpio.h>
+
 /memreserve/ 0x80000000 0x02000000;
 
 / {
@@ -124,6 +126,11 @@ refclk: ref {
 		};
 	};
 
+	emmc_pwrseq: emmc-pwrseq {
+		compatible = "mmc-pwrseq-emmc";
+		reset-gpios = <&gpio 47 GPIO_ACTIVE_LOW>;
+	};
+
 	timer {
 		compatible = "arm,armv8-timer";
 		interrupts = <1 13 4>,
@@ -317,6 +324,7 @@ emmc: sdhc@5a000000 {
 			bus-width = <8>;
 			mmc-ddr-1_8v;
 			mmc-hs200-1_8v;
+			mmc-pwrseq = <&emmc_pwrseq>;
 			cdns,phy-input-delay-legacy = <4>;
 			cdns,phy-input-delay-mmc-highspeed = <2>;
 			cdns,phy-input-delay-mmc-ddr = <3>;