board: rockchip: add Radxa ROCK5A Rk3588 board

ROCK 5A is a Rockchip RK3588S based SBC (Single Board Computer) by Radxa.

There are tree variants depending on the DRAM size : 4G, 8G and 16G.

Specifications:

     Rockchip Rk3588S SoC
     4x ARM Cortex-A76, 4x ARM Cortex-A55
     4/8/16GB memory LPDDR4x
     Mali G610MC4 GPU
     MIPI CSI 2 multiple lanes connector
     4-lane MIPI DSI connector
     Audio – 3.5mm earphone jack
     eMMC module connector
     uSD slot (up to 128GB)
     2x USB 2.0, 2x USB 3.0
     2x micro HDMI 2.1 ports, one up to 8Kp60, the other up to 4Kp60
     Gigabit Ethernet RJ45 with optional PoE support
     40-pin IO header including UART, SPI, I2C and 5V DC power in
     USB PD over USB Type-C
     Size: 85mm x 56mm (Raspberry Pi 4 form factor)

Kernel commits:
d1824cf95799 ("arm64: dts: rockchip: Add rock-5a board")
991f136c9f8d ("arm64: dts: rockchip: Update sdhci alias for rock-5a")
304c8a759953 ("arm64: dts: rockchip: Remove empty line from rock-5a")
cda0c2ea65a0 ("arm64: dts: rockchip: Fix RX delay for ethernet phy on rk3588s-rock5a")

Signed-off-by: Eugen Hristev <eugen.hristev@collabora.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>

4 files changed, 136 insertions, 1 deletions

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index bb4d635..edf9608 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -187,6 +187,7 @@ dtb-$(CONFIG_ROCKCHIP_RK3588) += \
 	rk3588-edgeble-neu6a-io.dtb \
 	rk3588-edgeble-neu6b-io.dtb \
 	rk3588-evb1-v10.dtb \
+	rk3588s-rock-5a.dtb \
 	rk3588-rock-5b.dtb
 
 dtb-$(CONFIG_ROCKCHIP_RV1108) += \
diff --git a/arch/arm/dts/rk3588s-rock-5a-u-boot.dtsi b/arch/arm/dts/rk3588s-rock-5a-u-boot.dtsi
new file mode 100644
index 0000000..9bb0e4f
--- /dev/null
+++ b/arch/arm/dts/rk3588s-rock-5a-u-boot.dtsi
@@ -0,0 +1,34 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2023 Collabora Ltd.
+ */
+
+#include "rk3588s-u-boot.dtsi"
+#include <dt-bindings/pinctrl/rockchip.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/usb/pd.h>
+
+/ {
+	aliases {
+		mmc1 = &sdmmc;
+	};
+
+	chosen {
+		u-boot,spl-boot-order = "same-as-spl", &sdmmc, &sdhci;
+	};
+};
+
+&sdmmc {
+	bus-width = <4>;
+	status = "okay";
+};
+
+&sdhci {
+	cap-mmc-highspeed;
+	mmc-ddr-1_8v;
+	mmc-hs200-1_8v;
+	pinctrl-names = "default";
+	pinctrl-0 = <&emmc_bus8 &emmc_clk &emmc_cmd &emmc_data_strobe &emmc_rstnout>;
+};
+
diff --git a/arch/arm/dts/rk3588s-rock-5a.dts b/arch/arm/dts/rk3588s-rock-5a.dts
new file mode 100644
index 0000000..9018255
--- /dev/null
+++ b/arch/arm/dts/rk3588s-rock-5a.dts
@@ -0,0 +1,73 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+
+/dts-v1/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/pinctrl/rockchip.h>
+#include "rk3588s.dtsi"
+
+/ {
+	model = "Radxa ROCK 5 Model A";
+	compatible = "radxa,rock-5a", "rockchip,rk3588s";
+
+	aliases {
+		mmc0 = &sdhci;
+		serial2 = &uart2;
+	};
+
+	chosen {
+		stdout-path = "serial2:1500000n8";
+	};
+};
+
+&gmac1 {
+	clock_in_out = "output";
+	phy-handle = <&rgmii_phy1>;
+	phy-mode = "rgmii";
+	pinctrl-0 = <&gmac1_miim
+		     &gmac1_tx_bus2
+		     &gmac1_rx_bus2
+		     &gmac1_rgmii_clk
+		     &gmac1_rgmii_bus>;
+	pinctrl-names = "default";
+	tx_delay = <0x3a>;
+	rx_delay = <0x3e>;
+	status = "okay";
+};
+
+&mdio1 {
+	rgmii_phy1: ethernet-phy@1 {
+		/* RTL8211F */
+		compatible = "ethernet-phy-id001c.c916";
+		reg = <0x1>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&rtl8211f_rst>;
+		reset-assert-us = <20000>;
+		reset-deassert-us = <100000>;
+		reset-gpios = <&gpio3 RK_PB7 GPIO_ACTIVE_LOW>;
+	};
+};
+
+&pinctrl {
+	rtl8211f {
+		rtl8211f_rst: rtl8211f-rst {
+			rockchip,pins = <3 RK_PB7 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+};
+
+&sdhci {
+	bus-width = <8>;
+	no-sdio;
+	no-sd;
+	non-removable;
+	max-frequency = <200000000>;
+	mmc-hs400-1_8v;
+	mmc-hs400-enhanced-strobe;
+	status = "okay";
+};
+
+&uart2 {
+	pinctrl-0 = <&uart2m0_xfer>;
+	status = "okay";
+};
diff --git a/arch/arm/mach-rockchip/rk3588/Kconfig b/arch/arm/mach-rockchip/rk3588/Kconfig
index d72ef92..79fcc99 100644
--- a/arch/arm/mach-rockchip/rk3588/Kconfig
+++ b/arch/arm/mach-rockchip/rk3588/Kconfig
@@ -28,7 +28,33 @@ config TARGET_RK3588_NEU6
 	  IO board and Neu6a needs to mount on top of this IO board in order to
 	  create complete Edgeble Neural Compute Module 6B(Neu6B) IO platform.
 
-config TARGET_ROCK5B_RK3588
+config TARGET_ROCK5A_RK3588
+	bool "Radxa ROCK5A RK3588 board"
+	select BOARD_LATE_INIT
+	help
+	  Radxa ROCK5A is a Rockchip RK3588S based SBC (Single Board Computer)
+	  by Radxa.
+
+	  There are tree variants depending on the DRAM size : 4G, 8G and 16G.
+
+	  Specification:
+
+	  Rockchip Rk3588S SoC
+	  4x ARM Cortex-A76, 4x ARM Cortex-A55
+	  4/8/16GB memory LPDDR4x
+	  Mali G610MC4 GPU
+	  MIPI CSI 2 multiple lanes connector
+	  4-lane MIPI DSI connector
+	  Audio – 3.5mm earphone jack
+	  eMMC module connector
+	  uSD slot (up to 128GB)
+	  2x USB 2.0, 2x USB 3.0
+	  2x micro HDMI 2.1 ports, one up to 8Kp60, the other up to 4Kp60
+	  Gigabit Ethernet RJ45 with optional PoE support
+	  40-pin IO header including UART, SPI, I2C and 5V DC power in
+	  USB PD over USB Type-C
+	  Size: 85mm x 56mm (Raspberry Pi 4 form factor)
+
 config TARGET_ROCK5B_RK3588
 	bool "Radxa ROCK5B RK3588 board"
 	select BOARD_LATE_INIT
@@ -68,6 +94,7 @@ config SYS_MALLOC_F_LEN
 
 source board/edgeble/neural-compute-module-6/Kconfig
 source board/rockchip/evb_rk3588/Kconfig
+source board/radxa/rock5a-rk3588s/Kconfig
 source board/radxa/rock5b-rk3588/Kconfig
 
 endif