MIPS: Ingenic: Add YSH & ATIL CU Neo board support.

Add a device tree for the Ingenic X1000 based YSH & ATIL CU Neo board.
Signed-off-by: 周琰杰 (Zhou Yanjie) <zhouyanjie@wanyeetech.com>
Acked-by: Paul Cercueil <paul@crapouillou.net>
[paulburton@kernel.org:
  Drop stale mention of previously unselectable Kconfig entry.]
Signed-off-by: Paul Burton <paulburton@kernel.org>
Cc: linux-mips@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: devicetree@vger.kernel.org
Cc: robh+dt@kernel.org
Cc: paul.burton@mips.com
Cc: jhogan@kernel.org
Cc: mripard@kernel.org
Cc: shawnguo@kernel.org
Cc: mark.rutland@arm.com
Cc: alexandre.belloni@bootlin.com
Cc: ralf@linux-mips.org
Cc: heiko@sntech.de
Cc: icenowy@aosc.io
Cc: ak@linux.intel.com
Cc: laurent.pinchart@ideasonboard.com
Cc: krzk@kernel.org
Cc: geert+renesas@glider.be
Cc: prasannatsmkumar@gmail.com
Cc: keescook@chromium.org
Cc: ebiederm@xmission.com
Cc: sernia.zhou@foxmail.com
Cc: zhenwenjin@gmail.com
Cc: 772753199@qq.com

arch/mips/boot/dts/ingenic/Makefile

@@ -2,5 +2,6 @@
 dtb-$(CONFIG_JZ4740_QI_LB60)	+= qi_lb60.dtb
 dtb-$(CONFIG_JZ4770_GCW0)	+= gcw0.dtb
 dtb-$(CONFIG_JZ4780_CI20)	+= ci20.dtb
+dtb-$(CONFIG_X1000_CU1000_NEO)	+= cu1000-neo.dtb
 
 obj-$(CONFIG_BUILTIN_DTB)	+= $(addsuffix .o, $(dtb-y))

arch/mips/boot/dts/ingenic/cu1000-neo.dts

+// SPDX-License-Identifier: GPL-2.0
+/dts-v1/;
+
+#include "x1000.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/clock/ingenic,tcu.h>
+
+/ {
+	compatible = "yna,cu1000-neo", "ingenic,x1000";
+	model = "YSH & ATIL General Board CU Neo";
+
+	aliases {
+		serial2 = &uart2;
+	};
+
+	chosen {
+		stdout-path = "serial2:115200n8";
+	};
+
+	memory {
+		device_type = "memory";
+		reg = <0x0 0x04000000>;
+	};
+};
+
+&exclk {
+	clock-frequency = <24000000>;
+};
+
+&tcu {
+	/* 1500 kHz for the system timer and clocksource */
+	assigned-clocks = <&tcu TCU_CLK_TIMER0>, <&tcu TCU_CLK_TIMER2>;
+	assigned-clock-rates = <1500000>, <1500000>;
+
+	/* Use channel #0 for the system timer channel #2 for the clocksource */
+	ingenic,pwm-channels-mask = <0xfa>;
+};
+
+&uart2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pins_uart2>;
+
+	status = "okay";
+};
+
+&mac {
+	phy-mode = "rmii";
+	phy-handle = <&lan8720a>;
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&pins_mac>;
+
+	snps,reset-gpio = <&gpc 23 GPIO_ACTIVE_LOW>; /* PC23 */
+	snps,reset-active-low;
+	snps,reset-delays-us = <0 10000 30000>;
+
+	status = "okay";
+};
+
+&mdio {
+	status = "okay";
+
+	lan8720a: ethernet-phy@0 {
+		compatible = "ethernet-phy-id0007.c0f0", "ethernet-phy-ieee802.3-c22";
+		reg = <0>;
+	};
+};
+
+&msc0 {
+	bus-width = <8>;
+	max-frequency = <50000000>;
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&pins_msc0>;
+
+	non-removable;
+
+	status = "okay";
+};
+
+&pinctrl {
+	pins_uart2: uart2 {
+		function = "uart2";
+		groups = "uart2-data-d";
+		bias-disable;
+	};
+
+	pins_mac: mac {
+		function = "mac";
+		groups = "mac";
+		bias-disable;
+	};
+
+	pins_msc0: msc0 {
+		function = "mmc0";
+		groups = "mmc0-1bit", "mmc0-4bit", "mmc0-8bit";
+		bias-disable;
+	};
+};

arch/mips/configs/cu1000-neo_defconfig

+CONFIG_LOCALVERSION_AUTO=y
+CONFIG_KERNEL_GZIP=y
+CONFIG_SYSVIPC=y
+CONFIG_NO_HZ_IDLE=y
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_PREEMPT=y
+CONFIG_IKCONFIG=y
+CONFIG_IKCONFIG_PROC=y
+CONFIG_LOG_BUF_SHIFT=14
+CONFIG_CGROUPS=y
+CONFIG_MEMCG=y
+CONFIG_MEMCG_KMEM=y
+CONFIG_CGROUP_SCHED=y
+CONFIG_CGROUP_FREEZER=y
+CONFIG_CGROUP_DEVICE=y
+CONFIG_CGROUP_CPUACCT=y
+CONFIG_NAMESPACES=y
+CONFIG_USER_NS=y
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_SYSCTL_SYSCALL=y
+CONFIG_KALLSYMS_ALL=y
+CONFIG_EMBEDDED=y
+# CONFIG_VM_EVENT_COUNTERS is not set
+# CONFIG_COMPAT_BRK is not set
+CONFIG_SLAB=y
+CONFIG_MACH_INGENIC=y
+CONFIG_X1000_CU1000_NEO=y
+CONFIG_HIGHMEM=y
+CONFIG_HZ_100=y
+# CONFIG_SECCOMP is not set
+# CONFIG_SUSPEND is not set
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+# CONFIG_COMPACTION is not set
+CONFIG_CMA=y
+CONFIG_CMA_AREAS=7
+CONFIG_NET=y
+CONFIG_UNIX=y
+CONFIG_INET=y
+CONFIG_UEVENT_HELPER=y
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+CONFIG_DEVTMPFS=y
+# CONFIG_FW_LOADER is not set
+# CONFIG_ALLOW_DEV_COREDUMP is not set
+CONFIG_NETDEVICES=y
+CONFIG_STMMAC_ETH=y
+CONFIG_SMSC_PHY=y
+# CONFIG_INPUT_MOUSEDEV is not set
+# CONFIG_INPUT_KEYBOARD is not set
+# CONFIG_INPUT_MOUSE is not set
+# CONFIG_SERIO is not set
+CONFIG_VT_HW_CONSOLE_BINDING=y
+CONFIG_LEGACY_PTY_COUNT=2
+CONFIG_SERIAL_EARLYCON=y
+CONFIG_SERIAL_8250=y
+CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_SERIAL_8250_NR_UARTS=3
+CONFIG_SERIAL_8250_RUNTIME_UARTS=3
+CONFIG_SERIAL_8250_INGENIC=y
+CONFIG_SERIAL_OF_PLATFORM=y
+# CONFIG_HW_RANDOM is not set
+CONFIG_GPIO_SYSFS=y
+CONFIG_WATCHDOG=y
+CONFIG_JZ4740_WDT=y
+# CONFIG_HWMON is not set
+# CONFIG_LCD_CLASS_DEVICE is not set
+# CONFIG_BACKLIGHT_CLASS_DEVICE is not set
+# CONFIG_VGA_CONSOLE is not set
+# CONFIG_HID is not set
+# CONFIG_USB_SUPPORT is not set
+CONFIG_MMC=y
+CONFIG_MMC_JZ4740=y
+CONFIG_RTC_CLASS=y
+CONFIG_RTC_DRV_JZ4740=y
+CONFIG_DMADEVICES=y
+CONFIG_DMA_JZ4780=y
+# CONFIG_IOMMU_SUPPORT is not set
+CONFIG_NVMEM=y
+CONFIG_NVMEM_SYSFS=y
+CONFIG_EXT4_FS=y
+# CONFIG_DNOTIFY is not set
+CONFIG_AUTOFS_FS=y
+CONFIG_PROC_KCORE=y
+# CONFIG_PROC_PAGE_MONITOR is not set
+CONFIG_TMPFS=y
+CONFIG_CONFIGFS_FS=y
+CONFIG_NLS=y
+CONFIG_NLS_CODEPAGE_936=y
+CONFIG_NLS_CODEPAGE_950=y
+CONFIG_NLS_ASCII=y
+CONFIG_NLS_ISO8859_1=y
+CONFIG_NLS_UTF8=y
+CONFIG_CRYPTO_ECHAINIV=y
+CONFIG_CRYPTO_AES=y
+CONFIG_CRYPTO_DEFLATE=y
+CONFIG_CRYPTO_LZO=y
+CONFIG_PRINTK_TIME=y
+CONFIG_CONSOLE_LOGLEVEL_DEFAULT=15
+CONFIG_CONSOLE_LOGLEVEL_QUIET=15
+CONFIG_MESSAGE_LOGLEVEL_DEFAULT=7
+CONFIG_DEBUG_INFO=y
+CONFIG_STRIP_ASM_SYMS=y
+CONFIG_DEBUG_FS=y
+CONFIG_MAGIC_SYSRQ=y
+CONFIG_PANIC_ON_OOPS=y
+CONFIG_PANIC_TIMEOUT=10
+# CONFIG_SCHED_DEBUG is not set
+# CONFIG_DEBUG_PREEMPT is not set
+CONFIG_STACKTRACE=y
+# CONFIG_FTRACE is not set
+CONFIG_CMDLINE_BOOL=y
+CONFIG_CMDLINE="earlycon clk_ignore_unused"

arch/mips/jz4740/Kconfig

@@ -16,6 +16,10 @@ config JZ4780_CI20
 	bool "MIPS Creator CI20"
 	select MACH_JZ4780
 
+config X1000_CU1000_NEO
+	bool "YSH & ATIL CU1000 Module with Neo backplane"
+	select MACH_X1000
+
 endchoice
 
 config MACH_JZ4740