arm64: dts: meson: add support for BananaPi M2S variants

BananaPi M2S ships in Amlogic S922X and A311D variants with the
following common specifications:

- 16GB eMMC
- HDMI 2.1a video
- 2x 10/100/1000 Base-T Ethernet (1x RTL8211F, 1x RTL811H)
- 2x USB 2.0 ports
- 2x Status LED's (green/blue)
- 1x Power/Reset button
- 1x micro SD card slot
- 40-pin GPIO header
- PWM fan header
- UART header

The S992X variant has:
- 2GB LPDDR4 RAM

The A311D variant has:

- 4GB LPDDR4 RAM
- NPU (5.0 TOPS)
- MIPI DSI header
- MIPI CSI header

An optional RTL8822CS SDIO WiFi/BT mezzanine is available for
both board variants.

Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Link: https://lore.kernel.org/r/20230305134512.1596572-3-christianshewitt@gmail.com
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>

1 files changed, 37 insertions, 0 deletions

diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-a311d-bananapi-m2s.dts b/arch/arm64/boot/dts/amlogic/meson-g12b-a311d-bananapi-m2s.dts
new file mode 100644
index 000000000000..ac6f7ae1d103
--- /dev/null
+++ b/arch/arm64/boot/dts/amlogic/meson-g12b-a311d-bananapi-m2s.dts
@@ -0,0 +1,37 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2023 Christian Hewitt <christianshewitt@gmail.com>
+ */
+
+/dts-v1/;
+
+#include "meson-g12b-a311d.dtsi"
+#include "meson-g12b-bananapi.dtsi"
+
+/ {
+	compatible = "bananapi,bpi-m2s", "amlogic,a311d", "amlogic,g12b";
+	model = "BananaPi M2S";
+
+	aliases {
+		i2c0 = &i2c1;
+		i2c1 = &i2c3;
+	};
+};
+
+/* Camera (CSI) bus */
+&i2c1 {
+	status = "okay";
+	pinctrl-0 = <&i2c1_sda_h6_pins>, <&i2c1_sck_h7_pins>;
+	pinctrl-names = "default";
+};
+
+/* Display (DSI) bus */
+&i2c3 {
+	status = "okay";
+	pinctrl-0 = <&i2c3_sda_a_pins>, <&i2c3_sck_a_pins>;
+	pinctrl-names = "default";
+};
+
+&npu {
+	status = "okay";
+};