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Subject[PATCH v5 15/15] MIPS: ingenic: Initial GCW Zero support
Date
The GCW Zero (http://www.gcw-zero.com) is a retro-gaming focused
handheld game console, successfully kickstarted in ~2012, running Linux.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
---
arch/mips/boot/dts/ingenic/Makefile | 1 +
arch/mips/boot/dts/ingenic/gcw0.dts | 61 +++++++++++++++++++++++++++++++++++++
arch/mips/configs/gcw0_defconfig | 27 ++++++++++++++++
arch/mips/jz4740/Kconfig | 4 +++
arch/mips/jz4740/boards.c | 1 +
5 files changed, 94 insertions(+)
create mode 100644 arch/mips/boot/dts/ingenic/gcw0.dts
create mode 100644 arch/mips/configs/gcw0_defconfig

v2: No change
v3: No change
v4: No change
v5: Use SPDX license identifier
Drop custom CROSS_COMPILE from defconfig

diff --git a/arch/mips/boot/dts/ingenic/Makefile b/arch/mips/boot/dts/ingenic/Makefile
index 6a31759839b4..5b1361a89e02 100644
--- a/arch/mips/boot/dts/ingenic/Makefile
+++ b/arch/mips/boot/dts/ingenic/Makefile
@@ -1,5 +1,6 @@
# SPDX-License-Identifier: GPL-2.0
dtb-$(CONFIG_JZ4740_QI_LB60) += qi_lb60.dtb
+dtb-$(CONFIG_JZ4770_GCW0) += gcw0.dtb
dtb-$(CONFIG_JZ4780_CI20) += ci20.dtb

obj-y += $(patsubst %.dtb, %.dtb.o, $(dtb-y))
diff --git a/arch/mips/boot/dts/ingenic/gcw0.dts b/arch/mips/boot/dts/ingenic/gcw0.dts
new file mode 100644
index 000000000000..4dc72de387db
--- /dev/null
+++ b/arch/mips/boot/dts/ingenic/gcw0.dts
@@ -0,0 +1,61 @@
+// SPDX-License-Identifier: GPL-2.0
+/dts-v1/;
+
+#include "jz4770.dtsi"
+
+/ {
+ compatible = "gcw,zero", "ingenic,jz4770";
+
+ aliases {
+ serial0 = &uart0;
+ serial1 = &uart1;
+ serial2 = &uart2;
+ serial3 = &uart3;
+ };
+
+ chosen {
+ stdout-path = "serial2:57600n8";
+ };
+
+ board {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "simple-bus";
+ ranges = <>;
+
+ otg_phy: otg-phy {
+ compatible = "usb-nop-xceiv";
+ clocks = <&cgu JZ4770_CLK_OTG_PHY>;
+ clock-names = "main_clk";
+ };
+ };
+};
+
+&ext {
+ clock-frequency = <12000000>;
+};
+
+&uart2 {
+ status = "okay";
+};
+
+&cgu {
+ /* Put high-speed peripherals under PLL1, such that we can change the
+ * PLL0 frequency on demand without having to suspend peripherals.
+ * We use a rate of 432 MHz, which is the least common multiple of
+ * 27 MHz (required by TV encoder) and 48 MHz (required by USB host).
+ */
+ assigned-clocks =
+ <&cgu JZ4770_CLK_PLL1>,
+ <&cgu JZ4770_CLK_UHC>;
+ assigned-clock-parents =
+ <0>,
+ <&cgu JZ4770_CLK_PLL1>;
+ assigned-clock-rates =
+ <432000000>;
+};
+
+&uhc {
+ /* The WiFi module is connected to the UHC. */
+ status = "okay";
+};
diff --git a/arch/mips/configs/gcw0_defconfig b/arch/mips/configs/gcw0_defconfig
new file mode 100644
index 000000000000..99ac1fa3b35f
--- /dev/null
+++ b/arch/mips/configs/gcw0_defconfig
@@ -0,0 +1,27 @@
+CONFIG_MACH_INGENIC=y
+CONFIG_JZ4770_GCW0=y
+CONFIG_HIGHMEM=y
+# CONFIG_BOUNCE is not set
+CONFIG_PREEMPT_VOLUNTARY=y
+# CONFIG_SECCOMP is not set
+CONFIG_NO_HZ_IDLE=y
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_EMBEDDED=y
+# CONFIG_BLK_DEV_BSG is not set
+# CONFIG_SUSPEND is not set
+CONFIG_NET=y
+CONFIG_PACKET=y
+CONFIG_UNIX=y
+CONFIG_INET=y
+CONFIG_DEVTMPFS=y
+CONFIG_DEVTMPFS_MOUNT=y
+CONFIG_NETDEVICES=y
+CONFIG_SERIAL_8250=y
+# CONFIG_SERIAL_8250_DEPRECATED_OPTIONS is not set
+CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_SERIAL_8250_INGENIC=y
+CONFIG_USB=y
+CONFIG_USB_OHCI_HCD=y
+CONFIG_USB_OHCI_HCD_PLATFORM=y
+CONFIG_NOP_USB_XCEIV=y
+CONFIG_TMPFS=y
diff --git a/arch/mips/jz4740/Kconfig b/arch/mips/jz4740/Kconfig
index 29a9361a2b77..4dd0c446ecec 100644
--- a/arch/mips/jz4740/Kconfig
+++ b/arch/mips/jz4740/Kconfig
@@ -8,6 +8,10 @@ config JZ4740_QI_LB60
bool "Qi Hardware Ben NanoNote"
select MACH_JZ4740

+config JZ4770_GCW0
+ bool "Game Consoles Worldwide GCW Zero"
+ select MACH_JZ4770
+
config JZ4780_CI20
bool "MIPS Creator CI20"
select MACH_JZ4780
diff --git a/arch/mips/jz4740/boards.c b/arch/mips/jz4740/boards.c
index 13b0bddd8cb7..1389d6eec80f 100644
--- a/arch/mips/jz4740/boards.c
+++ b/arch/mips/jz4740/boards.c
@@ -8,5 +8,6 @@
#include <asm/mips_machine.h>

MIPS_MACHINE(MACH_INGENIC_JZ4740, "qi,lb60", "Qi Hardware Ben Nanonote", NULL);
+MIPS_MACHINE(MACH_INGENIC_JZ4770, "gcw,zero", "GCW Zero", NULL);
MIPS_MACHINE(MACH_INGENIC_JZ4780, "img,ci20",
"Imagination Technologies CI20", NULL);
--
2.11.0
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