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Subject[RFC 3/4] MIPS: Ingenic: Initial X1000 SoC support
Date
Add initial Ingenic X1000 SoC support. Provide minimum necessary
information to boot kernel to an initramfs userspace.

Signed-off-by: PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com>
---
arch/mips/boot/dts/ingenic/x1000.dtsi | 93 +++++++++++++++++++++++++++++++++++
arch/mips/jz4740/Kconfig | 6 +++
arch/mips/jz4740/time.c | 2 +-
3 files changed, 100 insertions(+), 1 deletion(-)
create mode 100644 arch/mips/boot/dts/ingenic/x1000.dtsi

diff --git a/arch/mips/boot/dts/ingenic/x1000.dtsi b/arch/mips/boot/dts/ingenic/x1000.dtsi
new file mode 100644
index 0000000..abbb9ec
--- /dev/null
+++ b/arch/mips/boot/dts/ingenic/x1000.dtsi
@@ -0,0 +1,93 @@
+/*
+ * Copyright (C) 2016 PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <dt-bindings/clock/x1000-cgu.h>
+
+/ {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "ingenic,x1000";
+
+ cpuintc: interrupt-controller {
+ #address-cells = <0>;
+ #interrupt-cells = <1>;
+ interrupt-controller;
+ compatible = "mti,cpu-interrupt-controller";
+ };
+
+ intc: interrupt-controller@10001000 {
+ compatible = "ingenic,x1000-intc", "ingenic,jz4780-intc";
+ reg = <0x10001000 0x50>;
+
+ interrupt-controller;
+ #interrupt-cells = <1>;
+
+ interrupt-parent = <&cpuintc>;
+ interrupts = <2>;
+ };
+
+ ext: ext {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ };
+
+ rtc: rtc {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <32768>;
+ };
+
+ cgu: jz4780-cgu@10000000 {
+ compatible = "ingenic,x1000-cgu";
+ reg = <0x10000000 0x100>;
+
+ clocks = <&ext>, <&rtc>;
+ clock-names = "ext", "rtc";
+
+ #clock-cells = <1>;
+ };
+
+ uart0: serial@10030000 {
+ compatible = "ingenic,x1000-uart", "ingenic,jz4780-uart";
+ reg = <0x10030000 0x100>;
+
+ interrupt-parent = <&intc>;
+ interrupts = <51>;
+
+ clocks = <&ext>, <&cgu X1000_CLK_UART0>;
+ clock-names = "baud", "module";
+
+ status = "disabled";
+ };
+
+ uart1: serial@10031000 {
+ compatible = "ingenic,x1000-uart", "ingenic,jz4780-uart";
+ reg = <0x10031000 0x100>;
+
+ interrupt-parent = <&intc>;
+ interrupts = <50>;
+
+ clocks = <&ext>, <&cgu X1000_CLK_UART1>;
+ clock-names = "baud", "module";
+
+ status = "disabled";
+ };
+
+ uart2: serial@10032000 {
+ compatible = "ingenic,x1000-uart", "ingenic,jz4780-uart";
+ reg = <0x10032000 0x100>;
+
+ interrupt-parent = <&intc>;
+ interrupts = <49>;
+
+ clocks = <&ext>, <&cgu X1000_CLK_UART2>;
+ clock-names = "baud", "module";
+
+ status = "disabled";
+ };
+};
diff --git a/arch/mips/jz4740/Kconfig b/arch/mips/jz4740/Kconfig
index 36f8201..338bc3f 100644
--- a/arch/mips/jz4740/Kconfig
+++ b/arch/mips/jz4740/Kconfig
@@ -22,3 +22,9 @@ config MACH_JZ4780
select MIPS_CPU_SCACHE
select SYS_HAS_CPU_MIPS32_R2
select SYS_SUPPORTS_HIGHMEM
+
+config MACH_X1000
+ bool
+ select MIPS_CPU_SCACHE
+ select SYS_HAS_CPU_MIPS32_R2
+ select SYS_HAS_EARLY_PRINTK
diff --git a/arch/mips/jz4740/time.c b/arch/mips/jz4740/time.c
index bb1ad51..e28c734 100644
--- a/arch/mips/jz4740/time.c
+++ b/arch/mips/jz4740/time.c
@@ -113,7 +113,7 @@ static struct clock_event_device jz4740_clockevent = {
#ifdef CONFIG_MACH_JZ4740
.irq = JZ4740_IRQ_TCU0,
#endif
-#ifdef CONFIG_MACH_JZ4780
+#if defined CONFIG_MACH_JZ4780 || defined CONFIG_MACH_X1000
.irq = JZ4780_IRQ_TCU2,
#endif
};
--
2.10.0
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