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Unverified Commit 590c1f0f authored by Paul Cercueil's avatar Paul Cercueil Committed by James Hogan
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MIPS: ingenic: Initial GCW Zero support

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: default avatarPaul Cercueil <paul@crapouillou.net>
Acked-by: default avatarMathieu Malaterre <malat@debian.org>
Acked-by: default avatarPhilippe Ombredanne <pombredanne@nexb.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Maarten ter Huurne <maarten@treewalker.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/18490/


Signed-off-by: default avatarJames Hogan <jhogan@kernel.org>
parent dec8cd4d
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+1 −0
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# 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))
+62 −0
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// SPDX-License-Identifier: GPL-2.0
/dts-v1/;

#include "jz4770.dtsi"

/ {
	compatible = "gcw,zero", "ingenic,jz4770";
	model = "GCW Zero";

	aliases {
		serial0 = &uart0;
		serial1 = &uart1;
		serial2 = &uart2;
		serial3 = &uart3;
	};

	chosen {
		stdout-path = "serial2:57600n8";
	};

	board {
		compatible = "simple-bus";
		#address-cells = <1>;
		#size-cells = <1>;
		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";
};
+27 −0
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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
+4 −0
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@@ -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