On 28/06/2022 15:31, Ash Logan wrote: > Add a device tree source file for the Nintendo Wii U video game console. > > Signed-off-by: Ash Logan <ash@xxxxxxxxxxxx> > Co-developed-by: Roberto Van Eeden <rw-r-r-0644@xxxxxxxxxxxxxx> > Signed-off-by: Roberto Van Eeden <rw-r-r-0644@xxxxxxxxxxxxxx> > Co-developed-by: Emmanuel Gil Peyrot <linkmauve@xxxxxxxxxxxx> > Signed-off-by: Emmanuel Gil Peyrot <linkmauve@xxxxxxxxxxxx> > --- > v1->v2: Style and formatting changes suggested by Rob Herring. > License remains GPL-2.0 as the other powerpc dtses are the same, happy > to change if there is a different preferred default. > v2->v3: Re-added address-cells accidentally removed in v2. > Marked latte as a simple-bus, since it is. Thank you for your patch. There is something to discuss/improve. > > arch/powerpc/boot/dts/wiiu.dts | 326 +++++++++++++++++++++++++++++++++ > 1 file changed, 326 insertions(+) > create mode 100644 arch/powerpc/boot/dts/wiiu.dts > > diff --git a/arch/powerpc/boot/dts/wiiu.dts b/arch/powerpc/boot/dts/wiiu.dts > new file mode 100644 > index 000000000000..44a5a1469095 > --- /dev/null > +++ b/arch/powerpc/boot/dts/wiiu.dts > @@ -0,0 +1,326 @@ > +// SPDX-License-Identifier: GPL-2.0 > +/* > + * Nintendo Wii U Device Tree Source > + * > + * Copyright (C) 2022 The linux-wiiu Team > + */ > + > +/dts-v1/; > +#include <dt-bindings/gpio/gpio.h> > +#include <dt-bindings/input/input.h> > + > +/ { > + model = "nintendo,wiiu"; It's not compatible, but user-visible string, e.g. "Nintendo Wii U" > + compatible = "nintendo,wiiu"; > + > + #address-cells = <1>; > + #size-cells = <1>; > + > + chosen { > + bootargs = "root=/dev/sda1 rootwait"; This does not belong to shared DTS. No bootargs. > + }; > + > + memory { > + device_type = "memory"; > + reg = <0x00000000 0x02000000 /* MEM1 - 32MiB */ > + 0x08000000 0x00300000 /* MEM0 - 3MiB */ > + 0x10000000 0x80000000>; /* MEM2 - 2GiB */ > + }; > + > + cpus { > + #address-cells = <1>; > + #size-cells = <0>; > + > + /* TODO: Add SMP */ > + PowerPC,espresso@0 { Node name should be generic, so "cpu". Unless something needs the specific node name? > + device_type = "cpu"; > + reg = <0>; > + clock-frequency = <1243125000>; /* 1.243125GHz */ > + bus-frequency = <248625000>; /* 248.625MHz core-to-bus 5x */ > + timebase-frequency = <62156250>; /* 1/4 of the bus clock */ > + i-cache-size = <32768>; /* 32K icache */ > + i-cache-line-size = <32>; > + i-cache-block-size = <32>; > + i-cache-sets = <128>; > + d-cache-size = <32768>; /* 32K dcache */ > + d-cache-line-size = <32>; > + d-cache-block-size = <32>; > + d-cache-sets = <128>; > + next-level-cache = <&L2_0>; > + L2_0:l2-cache { > + compatible = "cache"; > + cache-level = <2>; > + cache-unified; > + cache-size = <0x80000>; /* 512KB L2 */ > + cache-line-size = <64>; > + cache-block-size = <32>; > + cache-sets = <2048>; > + }; > + }; > + }; > + > + latte { Generic node names. > + #address-cells = <1>; > + #size-cells = <1>; > + compatible = "nintendo,latte", "simple-bus"; > + ranges = <0x0c000000 0x0c000000 0x00400000 /* Espresso-only registers */ > + 0x0d000000 0x0d000000 0x00200000 /* Latte AHB deivces */ > + 0x0d800000 0x0d800000 0x00800000>; /* Latte SoC registers */ > + > + latte_gpu: gpu@c200000 { > + compatible = "nintendo,latte-gpu7"; > + reg = <0x0c200000 0x80000>; > + interrupts = <2>; > + interrupt-parent = <&espresso_pic>; > + }; > + > + espresso_pic: pic@c000078 { interrupt-controller > + #interrupt-cells = <1>; > + interrupt-controller; > + > + compatible = "nintendo,espresso-pic"; > + reg = <0x0c000078 0x18>; > + }; > + > + latte_dsp: dsp@c005000 { > + compatible = "nintendo,latte-dsp"; > + reg = <0x0c005000 0x200>; > + }; > + > + ehci_0: usb@d040000 { > + compatible = "nintendo,latte-usb-ehci", "usb-ehci"; > + reg = <0x0d040000 0x100>; > + interrupts = <4>; > + interrupt-parent = <&latte_pic>; > + big-endian-regs; > + }; > + > + ohci_0_0: usb@d050000 { > + compatible = "nintendo,latte-usb-ohci"; > + reg = <0x0d050000 0x100>; > + interrupts = <5>; > + interrupt-parent = <&latte_pic>; > + > + big-endian-regs; > + }; > + > + ohci_0_1: usb@d060000 { > + compatible = "nintendo,latte-usb-ohci"; > + reg = <0x0d060000 0x100>; > + interrupts = <6>; > + interrupt-parent = <&latte_pic>; > + > + big-endian-regs; > + }; > + > + ehci_1: usb@d120000 { > + compatible = "nintendo,latte-usb-ehci", "usb-ehci"; > + reg = <0x0d120000 0x100>; > + interrupts = <16>; > + interrupt-parent = <&latte_pic>; > + big-endian-regs; > + }; > + > + ohci_1_0: usb@d130000 { > + compatible = "nintendo,latte-usb-ohci"; > + reg = <0x0d130000 0x100>; > + interrupts = <35>; > + interrupt-parent = <&latte_pic>; > + > + big-endian-regs; > + }; > + > + ehci_2: usb@d140000 { > + compatible = "nintendo,latte-usb-ehci", "usb-ehci"; > + reg = <0x0d140000 0x100>; > + interrupts = <36>; > + interrupt-parent = <&latte_pic>; > + big-endian-regs; > + }; > + > + ohci_2_0: usb@d150000 { > + compatible = "nintendo,latte-usb-ohci"; > + reg = <0x0d150000 0x100>; > + interrupts = <37>; > + interrupt-parent = <&latte_pic>; > + > + big-endian-regs; > + }; > + > + sdcard_0: sdhci@d070000 { mmc > + compatible = "nintendo,latte-sdhci","sdhci"; > + reg = <0x0d070000 0x200>; > + interrupts = <7>; > + interrupt-parent = <&latte_pic>; > + }; > + > + wifi_0: sdhci@d080000 { mmc > + compatible = "nintendo,latte-sdhci","sdhci"; > + reg = <0x0d080000 0x200>; > + interrupts = <8>; > + interrupt-parent = <&latte_pic>; > + }; > + > + legacy_ipc: ipc@d800000 { > + compatible = "nintendo,latte-ipc", "nintendo,hollywood-ipc"; > + reg = <0x0d800000 0x10>; > + interrupts = <30 31>; > + interrupt-parent = <&latte_pic>; > + }; > + > + latte_otp: otp@d8001ec { > + compatible = "nintendo,latte-otp"; > + reg = <0x0d8001ec 0x8>; > + }; > + > + sata: ahci@d160400 { > + compatible = "nintendo,latte-ahci"; > + reg = <0x0d160400 0x808>; > + > + interrupt-parent = <&latte_pic>; > + interrupts = <38 28>; > + }; > + > + latte_pic: pic@d800440 { interrupt-controller > + #interrupt-cells = <1>; > + interrupt-controller; > + > + compatible = "nintendo,latte-pic"; > + reg = <0x0d800440 0x30>; > + interrupt-parent = <&espresso_pic>; > + interrupts = <24>; > + }; > + > + gpio: gpio@d8000c0 { > + #gpio-cells = <2>; > + compatible = "nintendo,latte-gpio", "nintendo,hollywood-gpio"; > + > + reg = <0x0d8000c0 0x40>; > + gpio-controller; > + /* TODO: There are actually 31 AHBALL GPIOs */ > + ngpios = <24>; > + > + gpio-line-names = > + "POWER", "DWIFI", "FAN", "DC_DC", > + "", "Esp10WorkAround", "", "", > + "PADPD", "", "EEP_CS", "EEP_CLK", > + "EEP_MOSI", "EEP_MISO", "AVE_SCL", "AVE_SDA", > + "DEBUG0", "DEBUG1", "DEBUG2", "DEBUG3", > + "DEBUG4", "DEBUG5", "DEBUG6", "DEBUG7"; > + > + interrupt-controller; > + #interrupt-cells = <2>; > + interrupts = <10>; > + interrupt-parent = <&latte_pic>; > + }; > + > + gpio2: gpio@d800520 { > + #gpio-cells = <2>; > + compatible = "nintendo,latte-gpio", "nintendo,hollywood-gpio"; > + > + reg = <0x0d800520 0x40>; > + gpio-controller; > + ngpios = <7>; > + > + gpio-line-names = > + "FANSPEED", "SMC_SCL", "SMC_SDA", "DC_DC2", > + "AVE_INT", "", "AVE_RESET"; > + > + interrupt-controller; > + #interrupt-cells = <2>; > + interrupts = <10>; > + interrupt-parent = <&latte_pic>; > + }; > + }; > + > + spi_gpio: spi-gpio { > + compatible = "spi-gpio"; > + #address-cells = <1>; > + #size-cells = <0>; > + > + cs-gpios = <&gpio 10 GPIO_ACTIVE_HIGH>; > + gpio-sck = <&gpio 11 GPIO_ACTIVE_HIGH>; > + gpio-mosi = <&gpio 12 GPIO_ACTIVE_HIGH>; > + gpio-miso = <&gpio 13 GPIO_ACTIVE_HIGH>; > + num-chipselects = <1>; > + > + eeprom@0 { > + compatible = "atmel,at93c66"; > + reg = <0>; > + spi-max-frequency = <1000000>; > + spi-cs-high; > + /* TODO: wiiubrew says this is 16-bit, but I only get the correct > + * values in 8-bit... > + */ > + data-size = <8>; > + read-only; > + > + #address-cells = <1>; > + #size-cells = <1>; > + > + /* https://wiiubrew.org/wiki/Hardware/SEEPROM */ > + rng_seed: rng@12 { reg = <0x012 8>; }; > + ppc_pvr: pvr@20 { reg = <0x020 4>; }; > + seeprom_ver_str: sver-str@24 { reg = <0x024 6>; }; > + seeprom_ver: sver@2a { reg = <0x02A 2>; }; > + otp_ver: over@2c { reg = <0x02C 2>; }; > + otp_rev: orev@2e { reg = <0x02E 2>; }; > + otp_ver_str: over-str@30 { reg = <0x030 8>; }; > + > + bc_crc: bc-crc@38 { reg = <0x038 4>; }; > + bc_sz: bc-sz@3c { reg = <0x03C 2>; }; > + bc_ver: bc-ver@3e { reg = <0x03E 2>; }; > + bc_boardtype: boardtype@42 { reg = <0x042 2>; }; > + bc_boardrev: boardrev@44 { reg = <0x044 2>; }; > + bc_bootsource: bootsource@46 { reg = <0x046 2>; }; > + bc_ddr3size: ddr3size@48 { reg = <0x048 2>; }; > + bc_ddr3speed: ddr3speed@4a { reg = <0x04A 2>; }; > + bc_ppcclockmul: ppcclockmul@4c { reg = <0x04C 2>; }; > + bc_iopclockmul: iopclockmul@46 { reg = <0x04E 2>; }; > + bc_video1080p: video1080p@50 { reg = <0x050 2>; }; > + bc_ddr3vendor: ddr3vendor@52 { reg = <0x052 2>; }; > + bc_movpassivereset: movpassivereset@54 { reg = <0x054 2>; }; > + bc_syspllspd: syspllspd@56 { reg = <0x056 2>; }; > + bc_satadevice: satadevice@58 { reg = <0x058 2>; }; > + bc_consoletype: consoletype@5a { reg = <0x05A 2>; }; > + bc_deviceprescence: deviceprescence@5c { reg = <0x05C 2>; }; > + > + drive_key: drvkey@80 { reg = <0x080 16>; }; > + factory_key: fackey@90 { reg = <0x090 16>; }; > + shdd_key: shddkey@a0 { reg = <0x0A0 16>; }; > + usb_key_seed: usbkeyseed@b0 { reg = <0x0B0 16>; }; > + drive_key_flag: drvkeyf@c0 { reg = <0x0C0 2>; }; > + usb_key_flag: udbkeyf@c2 { reg = <0x0C2 2>; }; > + shdd_key_flag: shddkeyf@c4 { reg = <0x0C4 2>; }; > + > + sysprod_version: sp_ver@140 { reg = <0x140 4>; }; > + sysprod_eeprom_version: sp_ee_ver@144 { reg = <0x144 4>; }; > + sysprod_product_area: sp_parea@148 { reg = <0x148 4>; }; > + sysprod_game_region: sp_region@14c { reg = <0x14C 4>; }; > + sysprod_ntsc_pal: sp_ntscpal@150 { reg = <0x150 4>; }; > + sysprod_5ghz_country: sp_5ghz_c@154 { reg = <0x154 2>; }; > + sysprod_5ghz_country_rev: sp_5ghz_crev@156 { reg = <0x156 2>; }; > + sysprod_code: sp_code@158 { reg = <0x158 8>; }; > + sysprod_serial: sp_serial@160 { reg = <0x160 16>; }; > + sysprod_model: sp_model@170 { reg = <0x170 16>; }; > + > + prod_year: pyear@188 { reg = <0x188 2>; }; > + prod_date: pdate@18a { reg = <0x18A 2>; }; > + prod_time: ptime@18c { reg = <0x18C 2>; }; > + > + boot_params: boot_params@1c0 { reg = <0x1C0 48>; }; > + }; > + }; > + > + /* TODO make this gpio-keyed once hollywood-gpio supports interrupts */ > + gpio-keys-polled { gpio-keys > + poll-interval = <50>; > + compatible = "gpio-keys-polled"; > + > + power { key-power (will be enforced by schema) > + label = "Power Button"; > + gpios = <&gpio 0 GPIO_ACTIVE_HIGH>; > + linux,code = <KEY_POWER>; > + }; > + }; > +}; Best regards, Krzysztof