ARM: dts: r8a7742-iwg21m: Add iWave RZ/G1H Qseven SOM

Add support for iWave RZ/G1H Qseven System On Module.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@bp.renesas.com>
Link: https://lore.kernel.org/r/1588542414-14826-10-git-send-email-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

diff --git a/arch/arm/boot/dts/r8a7742-iwg21m.dtsi b/arch/arm/boot/dts/r8a7742-iwg21m.dtsi
new file mode 100644 (file)
index 0000000..85aff42
--- /dev/null
+++ b/arch/arm/boot/dts/r8a7742-iwg21m.dtsi
@@ -0,0 +1,53 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Device Tree Source for the iWave RZ/G1H Qseven SOM
+ *
+ * Copyright (C) 2020 Renesas Electronics Corp.
+ */
+
+#include "r8a7742.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+       compatible = "iwave,g21m", "renesas,r8a7742";
+
+       memory@40000000 {
+               device_type = "memory";
+               reg = <0 0x40000000 0 0x40000000>;
+       };
+
+       memory@200000000 {
+               device_type = "memory";
+               reg = <2 0x00000000 0 0x40000000>;
+       };
+
+       reg_3p3v: 3p3v {
+               compatible = "regulator-fixed";
+               regulator-name = "3P3V";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+               regulator-always-on;
+               regulator-boot-on;
+       };
+};
+
+&extal_clk {
+       clock-frequency = <20000000>;
+};
+
+&pfc {
+       mmc1_pins: mmc1 {
+               groups = "mmc1_data4", "mmc1_ctrl";
+               function = "mmc1";
+       };
+};
+
+&mmcif1 {
+       pinctrl-0 = <&mmc1_pins>;
+       pinctrl-names = "default";
+
+       vmmc-supply = <&reg_3p3v>;
+       bus-width = <4>;
+       non-removable;
+       status = "okay";
+};