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MIPS: ingenic: Initial GCW Zero support

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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>
Acked-by: Mathieu Malaterre <malat@debian.org>
Acked-by: Philippe 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: James Hogan <jhogan@kernel.org>
This commit is contained in:
Paul Cercueil 2018-01-16 16:48:04 +01:00 committed by James Hogan
parent dec8cd4d9b
commit 590c1f0f04
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GPG Key ID: 6C0B6993DE38767A
4 changed files with 94 additions and 0 deletions
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1
arch/mips/boot/dts/ingenic/Makefile
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@ -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))

62
arch/mips/boot/dts/ingenic/gcw0.dts Normal file
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@ -0,0 +1,62 @@
// 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
arch/mips/configs/gcw0_defconfig Normal file
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@ -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

4
arch/mips/jz4740/Kconfig
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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