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: 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>
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# SPDX-License-Identifier: GPL-2.0
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dtb-$(CONFIG_JZ4740_QI_LB60) += qi_lb60.dtb
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dtb-$(CONFIG_JZ4770_GCW0) += gcw0.dtb
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dtb-$(CONFIG_JZ4780_CI20) += ci20.dtb
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obj-y += $(patsubst %.dtb, %.dtb.o, $(dtb-y))
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62
arch/mips/boot/dts/ingenic/gcw0.dts
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arch/mips/boot/dts/ingenic/gcw0.dts
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// SPDX-License-Identifier: GPL-2.0
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/dts-v1/;
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#include "jz4770.dtsi"
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/ {
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compatible = "gcw,zero", "ingenic,jz4770";
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model = "GCW Zero";
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aliases {
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serial0 = &uart0;
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serial1 = &uart1;
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serial2 = &uart2;
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serial3 = &uart3;
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};
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chosen {
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stdout-path = "serial2:57600n8";
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};
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board {
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compatible = "simple-bus";
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#address-cells = <1>;
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#size-cells = <1>;
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ranges;
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otg_phy: otg-phy {
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compatible = "usb-nop-xceiv";
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clocks = <&cgu JZ4770_CLK_OTG_PHY>;
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clock-names = "main_clk";
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};
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};
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};
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&ext {
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clock-frequency = <12000000>;
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};
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&uart2 {
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status = "okay";
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};
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&cgu {
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/* Put high-speed peripherals under PLL1, such that we can change the
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* PLL0 frequency on demand without having to suspend peripherals.
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* We use a rate of 432 MHz, which is the least common multiple of
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* 27 MHz (required by TV encoder) and 48 MHz (required by USB host).
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*/
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assigned-clocks =
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<&cgu JZ4770_CLK_PLL1>,
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<&cgu JZ4770_CLK_UHC>;
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assigned-clock-parents =
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<0>,
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<&cgu JZ4770_CLK_PLL1>;
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assigned-clock-rates =
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<432000000>;
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};
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&uhc {
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/* The WiFi module is connected to the UHC. */
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status = "okay";
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};
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27
arch/mips/configs/gcw0_defconfig
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27
arch/mips/configs/gcw0_defconfig
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CONFIG_MACH_INGENIC=y
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CONFIG_JZ4770_GCW0=y
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CONFIG_HIGHMEM=y
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# CONFIG_BOUNCE is not set
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CONFIG_PREEMPT_VOLUNTARY=y
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# CONFIG_SECCOMP is not set
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CONFIG_NO_HZ_IDLE=y
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CONFIG_HIGH_RES_TIMERS=y
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CONFIG_EMBEDDED=y
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# CONFIG_BLK_DEV_BSG is not set
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# CONFIG_SUSPEND is not set
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CONFIG_NET=y
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CONFIG_PACKET=y
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CONFIG_UNIX=y
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CONFIG_INET=y
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CONFIG_DEVTMPFS=y
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CONFIG_DEVTMPFS_MOUNT=y
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CONFIG_NETDEVICES=y
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CONFIG_SERIAL_8250=y
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# CONFIG_SERIAL_8250_DEPRECATED_OPTIONS is not set
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CONFIG_SERIAL_8250_CONSOLE=y
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CONFIG_SERIAL_8250_INGENIC=y
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CONFIG_USB=y
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CONFIG_USB_OHCI_HCD=y
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CONFIG_USB_OHCI_HCD_PLATFORM=y
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CONFIG_NOP_USB_XCEIV=y
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CONFIG_TMPFS=y
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@ -8,6 +8,10 @@ config JZ4740_QI_LB60
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bool "Qi Hardware Ben NanoNote"
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select MACH_JZ4740
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config JZ4770_GCW0
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bool "Game Consoles Worldwide GCW Zero"
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select MACH_JZ4770
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config JZ4780_CI20
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bool "MIPS Creator CI20"
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select MACH_JZ4780
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