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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Saravana Kannan , Bjorn Helgaas , linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, netdev@vger.kernel.org, linux-pci@vger.kernel.org, linux-arch@vger.kernel.org, Lee Jones , Andrew Lunn , Stefan Wahren Subject: [PATCH 02/11] dt-bindings: pinctrl: Add RaspberryPi RP1 gpio/pinctrl/pinmux bindings Date: Tue, 20 Aug 2024 16:36:04 +0200 Message-ID: <82d57814075ed1bc76bf17bde124c5c83925ac59.1724159867.git.andrea.porta@suse.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Add device tree bindings for the gpio/pin/mux controller that is part of the RP1 multi function device, and relative entries in MAINTAINERS file. Signed-off-by: Andrea della Porta --- .../pinctrl/raspberrypi,rp1-gpio.yaml | 177 +++++++++++++ MAINTAINERS | 2 + include/dt-bindings/misc/rp1.h | 235 ++++++++++++++++++ 3 files changed, 414 insertions(+) create mode 100644 Documentation/devicetree/bindings/pinctrl/raspberrypi,rp1-gpio.yaml create mode 100644 include/dt-bindings/misc/rp1.h diff --git a/Documentation/devicetree/bindings/pinctrl/raspberrypi,rp1-gpio.yaml b/Documentation/devicetree/bindings/pinctrl/raspberrypi,rp1-gpio.yaml new file mode 100644 index 000000000000..7011fa258363 --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/raspberrypi,rp1-gpio.yaml @@ -0,0 +1,177 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pinctrl/raspberrypi,rp1-gpio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: RaspberryPi RP1 GPIO/Pinconf/Pinmux Controller submodule + +maintainers: + - Andrea della Porta + +description: + The RP1 chipset is a Multi Function Device containing, among other sub-peripherals, + a gpio/pinconf/mux controller whose 54 pins are grouped into 3 banks. It works also + as an interrupt controller for those gpios. + + Each pin configuration node lists the pin(s) to which it applies, and one or + more of the mux function to select on those pin(s), and their configuration. + The pin configuration and multiplexing supports the generic bindings. + For details on each properties (including the meaning of "pin configuration node"), + you can refer to ./pinctrl-bindings.txt. + +properties: + compatible: + const: raspberrypi,rp1-gpio + + reg: + minItems: 3 + maxItems: 3 + description: One reg specifier for each one of the 3 pin banks. + + '#gpio-cells': + description: The first cell is the pin number and the second cell is used + to specify the flags (see include/dt-bindings/gpio/gpio.h). + const: 2 + + gpio-controller: true + + gpio-ranges: + maxItems: 1 + + gpio-line-names: + maxItems: 54 + + interrupts: + minItems: 3 + maxItems: 3 + description: One interrupt specifier for each one of the 3 pin banks. + + '#interrupt-cells': + description: + Specifies the Bank number (as specified in include/dt-bindings/misc/rp1.h) + and Flags (as defined in (include/dt-bindings/interrupt-controller/irq.h). + Possible values for the Bank number are + RP1_INT_IO_BANK0 + RP1_INT_IO_BANK1 + RP1_INT_IO_BANK2 + const: 2 + + interrupt-controller: true + +additionalProperties: + anyOf: + - type: object + additionalProperties: false + allOf: + - $ref: pincfg-node.yaml# + - $ref: pinmux-node.yaml# + + description: + Pin controller client devices use pin configuration subnodes (children + and grandchildren) for desired pin configuration. + Client device subnodes use below standard properties. + + properties: + pins: + description: + A string (or list of strings) adhering to the pattern "gpio[0-5][0-9]" + function: true + bias-disable: true + bias-pull-down: true + bias-pull-up: true + slew-rate: + description: 0 is slow slew rate, 1 is fast slew rate + enum: [ 0, 1 ] + drive-strength: + description: 0 -> 2mA, 1 -> 4mA, 2 -> 8mA, 3 -> 12mA + enum: [ 0, 1, 2, 3 ] + + - type: object + additionalProperties: + $ref: "#/additionalProperties/anyOf/0" + +allOf: + - $ref: pinctrl.yaml# + +required: + - reg + - compatible + - "#gpio-cells" + - gpio-controller + - interrupts + - "#interrupt-cells" + - interrupt-controller + +examples: + - | + #include + #include + + rp1 { + #address-cells = <2>; + #size-cells = <2>; + + rp1_gpio: pinctrl@c0400d0000 { + reg = <0xc0 0x400d0000 0x0 0xc000>, + <0xc0 0x400e0000 0x0 0xc000>, + <0xc0 0x400f0000 0x0 0xc000>; + compatible = "raspberrypi,rp1-gpio"; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + interrupts = , + , + ; + gpio-line-names = + "ID_SDA", // GPIO0 + "ID_SCL", // GPIO1 + "GPIO2", "GPIO3", "GPIO4", "GPIO5", "GPIO6", + "GPIO7", "GPIO8", "GPIO9", "GPIO10", "GPIO11", + "GPIO12", "GPIO13", "GPIO14", "GPIO15", "GPIO16", + "GPIO17", "GPIO18", "GPIO19", "GPIO20", "GPIO21", + "GPIO22", "GPIO23", "GPIO24", "GPIO25", "GPIO26", + "GPIO27", + "PCIE_RP1_WAKE", // GPIO28 + "FAN_TACH", // GPIO29 + "HOST_SDA", // GPIO30 + "HOST_SCL", // GPIO31 + "ETH_RST_N", // GPIO32 + "", // GPIO33 + "CD0_IO0_MICCLK", // GPIO34 + "CD0_IO0_MICDAT0", // GPIO35 + "RP1_PCIE_CLKREQ_N", // GPIO36 + "", // GPIO37 + "CD0_SDA", // GPIO38 + "CD0_SCL", // GPIO39 + "CD1_SDA", // GPIO40 + "CD1_SCL", // GPIO41 + "USB_VBUS_EN", // GPIO42 + "USB_OC_N", // GPIO43 + "RP1_STAT_LED", // GPIO44 + "FAN_PWM", // GPIO45 + "CD1_IO0_MICCLK", // GPIO46 + "2712_WAKE", // GPIO47 + "CD1_IO1_MICDAT1", // GPIO48 + "EN_MAX_USB_CUR", // GPIO49 + "", // GPIO50 + "", // GPIO51 + "", // GPIO52 + ""; // GPIO53 + + rp1_uart0_14_15: rp1_uart0_14_15 { + pin_txd { + function = "uart0"; + pins = "gpio14"; + bias-disable; + }; + + pin_rxd { + function = "uart0"; + pins = "gpio15"; + bias-pull-up; + }; + }; + }; + }; diff --git a/MAINTAINERS b/MAINTAINERS index 6e7db9bce278..c5018232c251 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -19120,7 +19120,9 @@ RASPBERRY PI RP1 PCI DRIVER M: Andrea della Porta S: Maintained F: Documentation/devicetree/bindings/clock/raspberrypi,rp1-clocks.yaml +F: Documentation/devicetree/bindings/pinctrl/raspberrypi,rp1-gpio.yaml F: include/dt-bindings/clock/rp1.h +F: include/dt-bindings/misc/rp1.h RC-CORE / LIRC FRAMEWORK M: Sean Young diff --git a/include/dt-bindings/misc/rp1.h b/include/dt-bindings/misc/rp1.h new file mode 100644 index 000000000000..6dd5e23870c2 --- /dev/null +++ b/include/dt-bindings/misc/rp1.h @@ -0,0 +1,235 @@ +/* SPDX-License-Identifier: GPL-2.0 OR MIT */ +/* + * This header provides constants for the PY MFD. + */ + +#ifndef _RP1_H +#define _RP1_H + +/* Address map */ +#define RP1_SYSINFO_BASE 0x000000 +#define RP1_TBMAN_BASE 0x004000 +#define RP1_SYSCFG_BASE 0x008000 +#define RP1_OTP_BASE 0x00c000 +#define RP1_POWER_BASE 0x010000 +#define RP1_RESETS_BASE 0x014000 +#define RP1_CLOCKS_BANK_DEFAULT_BASE 0x018000 +#define RP1_CLOCKS_BANK_VIDEO_BASE 0x01c000 +#define RP1_PLL_SYS_BASE 0x020000 +#define RP1_PLL_AUDIO_BASE 0x024000 +#define RP1_PLL_VIDEO_BASE 0x028000 +#define RP1_UART0_BASE 0x030000 +#define RP1_UART1_BASE 0x034000 +#define RP1_UART2_BASE 0x038000 +#define RP1_UART3_BASE 0x03c000 +#define RP1_UART4_BASE 0x040000 +#define RP1_UART5_BASE 0x044000 +#define RP1_SPI8_BASE 0x04c000 +#define RP1_SPI0_BASE 0x050000 +#define RP1_SPI1_BASE 0x054000 +#define RP1_SPI2_BASE 0x058000 +#define RP1_SPI3_BASE 0x05c000 +#define RP1_SPI4_BASE 0x060000 +#define RP1_SPI5_BASE 0x064000 +#define RP1_SPI6_BASE 0x068000 +#define RP1_SPI7_BASE 0x06c000 +#define RP1_I2C0_BASE 0x070000 +#define RP1_I2C1_BASE 0x074000 +#define RP1_I2C2_BASE 0x078000 +#define RP1_I2C3_BASE 0x07c000 +#define RP1_I2C4_BASE 0x080000 +#define RP1_I2C5_BASE 0x084000 +#define RP1_I2C6_BASE 0x088000 +#define RP1_AUDIO_IN_BASE 0x090000 +#define RP1_AUDIO_OUT_BASE 0x094000 +#define RP1_PWM0_BASE 0x098000 +#define RP1_PWM1_BASE 0x09c000 +#define RP1_I2S0_BASE 0x0a0000 +#define RP1_I2S1_BASE 0x0a4000 +#define RP1_I2S2_BASE 0x0a8000 +#define RP1_TIMER_BASE 0x0ac000 +#define RP1_SDIO0_APBS_BASE 0x0b0000 +#define RP1_SDIO1_APBS_BASE 0x0b4000 +#define RP1_BUSFABRIC_MONITOR_BASE 0x0c0000 +#define RP1_BUSFABRIC_AXISHIM_BASE 0x0c4000 +#define RP1_ADC_BASE 0x0c8000 +#define RP1_IO_BANK0_BASE 0x0d0000 +#define RP1_IO_BANK1_BASE 0x0d4000 +#define RP1_IO_BANK2_BASE 0x0d8000 +#define RP1_SYS_RIO0_BASE 0x0e0000 +#define RP1_SYS_RIO1_BASE 0x0e4000 +#define RP1_SYS_RIO2_BASE 0x0e8000 +#define RP1_PADS_BANK0_BASE 0x0f0000 +#define RP1_PADS_BANK1_BASE 0x0f4000 +#define RP1_PADS_BANK2_BASE 0x0f8000 +#define RP1_PADS_ETH_BASE 0x0fc000 +#define RP1_ETH_IP_BASE 0x100000 +#define RP1_ETH_CFG_BASE 0x104000 +#define RP1_PCIE_APBS_BASE 0x108000 +#define RP1_MIPI0_CSIDMA_BASE 0x110000 +#define RP1_MIPI0_CSIHOST_BASE 0x114000 +#define RP1_MIPI0_DSIDMA_BASE 0x118000 +#define RP1_MIPI0_DSIHOST_BASE 0x11c000 +#define RP1_MIPI0_MIPICFG_BASE 0x120000 +#define RP1_MIPI0_ISP_BASE 0x124000 +#define RP1_MIPI1_CSIDMA_BASE 0x128000 +#define RP1_MIPI1_CSIHOST_BASE 0x12c000 +#define RP1_MIPI1_DSIDMA_BASE 0x130000 +#define RP1_MIPI1_DSIHOST_BASE 0x134000 +#define RP1_MIPI1_MIPICFG_BASE 0x138000 +#define RP1_MIPI1_ISP_BASE 0x13c000 +#define RP1_VIDEO_OUT_CFG_BASE 0x140000 +#define RP1_VIDEO_OUT_VEC_BASE 0x144000 +#define RP1_VIDEO_OUT_DPI_BASE 0x148000 +#define RP1_XOSC_BASE 0x150000 +#define RP1_WATCHDOG_BASE 0x154000 +#define RP1_DMA_TICK_BASE 0x158000 +#define RP1_SDIO_CLOCKS_BASE 0x15c000 +#define RP1_USBHOST0_APBS_BASE 0x160000 +#define RP1_USBHOST1_APBS_BASE 0x164000 +#define RP1_ROSC0_BASE 0x168000 +#define RP1_ROSC1_BASE 0x16c000 +#define RP1_VBUSCTRL_BASE 0x170000 +#define RP1_TICKS_BASE 0x174000 +#define RP1_PIO_APBS_BASE 0x178000 +#define RP1_SDIO0_AHBLS_BASE 0x180000 +#define RP1_SDIO1_AHBLS_BASE 0x184000 +#define RP1_DMA_BASE 0x188000 +#define RP1_RAM_BASE 0x1c0000 +#define RP1_RAM_SIZE 0x020000 +#define RP1_USBHOST0_AXIS_BASE 0x200000 +#define RP1_USBHOST1_AXIS_BASE 0x300000 +#define RP1_EXAC_BASE 0x400000 + +/* Interrupts */ + +#define RP1_INT_IO_BANK0 0 +#define RP1_INT_IO_BANK1 1 +#define RP1_INT_IO_BANK2 2 +#define RP1_INT_AUDIO_IN 3 +#define RP1_INT_AUDIO_OUT 4 +#define RP1_INT_PWM0 5 +#define RP1_INT_ETH 6 +#define RP1_INT_I2C0 7 +#define RP1_INT_I2C1 8 +#define RP1_INT_I2C2 9 +#define RP1_INT_I2C3 10 +#define RP1_INT_I2C4 11 +#define RP1_INT_I2C5 12 +#define RP1_INT_I2C6 13 +#define RP1_INT_I2S0 14 +#define RP1_INT_I2S1 15 +#define RP1_INT_I2S2 16 +#define RP1_INT_SDIO0 17 +#define RP1_INT_SDIO1 18 +#define RP1_INT_SPI0 19 +#define RP1_INT_SPI1 20 +#define RP1_INT_SPI2 21 +#define RP1_INT_SPI3 22 +#define RP1_INT_SPI4 23 +#define RP1_INT_SPI5 24 +#define RP1_INT_UART0 25 +#define RP1_INT_TIMER_0 26 +#define RP1_INT_TIMER_1 27 +#define RP1_INT_TIMER_2 28 +#define RP1_INT_TIMER_3 29 +#define RP1_INT_USBHOST0 30 +#define RP1_INT_USBHOST0_0 31 +#define RP1_INT_USBHOST0_1 32 +#define RP1_INT_USBHOST0_2 33 +#define RP1_INT_USBHOST0_3 34 +#define RP1_INT_USBHOST1 35 +#define RP1_INT_USBHOST1_0 36 +#define RP1_INT_USBHOST1_1 37 +#define RP1_INT_USBHOST1_2 38 +#define RP1_INT_USBHOST1_3 39 +#define RP1_INT_DMA 40 +#define RP1_INT_PWM1 41 +#define RP1_INT_UART1 42 +#define RP1_INT_UART2 43 +#define RP1_INT_UART3 44 +#define RP1_INT_UART4 45 +#define RP1_INT_UART5 46 +#define RP1_INT_MIPI0 47 +#define RP1_INT_MIPI1 48 +#define RP1_INT_VIDEO_OUT 49 +#define RP1_INT_PIO_0 50 +#define RP1_INT_PIO_1 51 +#define RP1_INT_ADC_FIFO 52 +#define RP1_INT_PCIE_OUT 53 +#define RP1_INT_SPI6 54 +#define RP1_INT_SPI7 55 +#define RP1_INT_SPI8 56 +#define RP1_INT_SYSCFG 58 +#define RP1_INT_CLOCKS_DEFAULT 59 +#define RP1_INT_VBUSCTRL 60 +#define RP1_INT_PROC_MISC 57 +#define RP1_INT_END 61 + +/* DMA peripherals (for pacing) */ +#define RP1_DMA_I2C0_RX 0x0 +#define RP1_DMA_I2C0_TX 0x1 +#define RP1_DMA_I2C1_RX 0x2 +#define RP1_DMA_I2C1_TX 0x3 +#define RP1_DMA_I2C2_RX 0x4 +#define RP1_DMA_I2C2_TX 0x5 +#define RP1_DMA_I2C3_RX 0x6 +#define RP1_DMA_I2C3_TX 0x7 +#define RP1_DMA_I2C4_RX 0x8 +#define RP1_DMA_I2C4_TX 0x9 +#define RP1_DMA_I2C5_RX 0xa +#define RP1_DMA_I2C5_TX 0xb +#define RP1_DMA_SPI0_RX 0xc +#define RP1_DMA_SPI0_TX 0xd +#define RP1_DMA_SPI1_RX 0xe +#define RP1_DMA_SPI1_TX 0xf +#define RP1_DMA_SPI2_RX 0x10 +#define RP1_DMA_SPI2_TX 0x11 +#define RP1_DMA_SPI3_RX 0x12 +#define RP1_DMA_SPI3_TX 0x13 +#define RP1_DMA_SPI4_RX 0x14 +#define RP1_DMA_SPI4_TX 0x15 +#define RP1_DMA_SPI5_RX 0x16 +#define RP1_DMA_SPI5_TX 0x17 +#define RP1_DMA_PWM0 0x18 +#define RP1_DMA_UART0_RX 0x19 +#define RP1_DMA_UART0_TX 0x1a +#define RP1_DMA_AUDIO_IN_CH0 0x1b +#define RP1_DMA_AUDIO_IN_CH1 0x1c +#define RP1_DMA_AUDIO_OUT 0x1d +#define RP1_DMA_PWM1 0x1e +#define RP1_DMA_I2S0_RX 0x1f +#define RP1_DMA_I2S0_TX 0x20 +#define RP1_DMA_I2S1_RX 0x21 +#define RP1_DMA_I2S1_TX 0x22 +#define RP1_DMA_I2S2_RX 0x23 +#define RP1_DMA_I2S2_TX 0x24 +#define RP1_DMA_UART1_RX 0x25 +#define RP1_DMA_UART1_TX 0x26 +#define RP1_DMA_UART2_RX 0x27 +#define RP1_DMA_UART2_TX 0x28 +#define RP1_DMA_UART3_RX 0x29 +#define RP1_DMA_UART3_TX 0x2a +#define RP1_DMA_UART4_RX 0x2b +#define RP1_DMA_UART4_TX 0x2c +#define RP1_DMA_UART5_RX 0x2d +#define RP1_DMA_UART5_TX 0x2e +#define RP1_DMA_ADC 0x2f +#define RP1_DMA_DMA_TICK_TICK0 0x30 +#define RP1_DMA_DMA_TICK_TICK1 0x31 +#define RP1_DMA_SPI6_RX 0x32 +#define RP1_DMA_SPI6_TX 0x33 +#define RP1_DMA_SPI7_RX 0x34 +#define RP1_DMA_SPI7_TX 0x35 +#define RP1_DMA_SPI8_RX 0x36 +#define RP1_DMA_SPI8_TX 0x37 +#define RP1_DMA_PIO_CH0_TX 0x38 +#define RP1_DMA_PIO_CH0_RX 0x39 +#define RP1_DMA_PIO_CH1_TX 0x3a +#define RP1_DMA_PIO_CH1_RX 0x3b +#define RP1_DMA_PIO_CH2_TX 0x3c +#define RP1_DMA_PIO_CH2_RX 0x3d +#define RP1_DMA_PIO_CH3_TX 0x3e +#define RP1_DMA_PIO_CH3_RX 0x3f + +#endif