From: Rob Herring (Arm) Date: Mon, 13 Oct 2025 19:12:25 +0000 (-0500) Subject: dt-bindings: pinctrl: Convert brcm,ns2-pinmux to DT schema X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=f84f54841dd091a909027e6eaf5ea3dc29937592;p=thirdparty%2Fkernel%2Fstable.git dt-bindings: pinctrl: Convert brcm,ns2-pinmux to DT schema Convert the brcm,ns2-pinmux binding to DT schema format. It's a straight-forward conversion. Signed-off-by: Rob Herring (Arm) Signed-off-by: Linus Walleij --- diff --git a/Documentation/devicetree/bindings/pinctrl/brcm,ns2-pinmux.txt b/Documentation/devicetree/bindings/pinctrl/brcm,ns2-pinmux.txt deleted file mode 100644 index 40e0a9a19525b..0000000000000 --- a/Documentation/devicetree/bindings/pinctrl/brcm,ns2-pinmux.txt +++ /dev/null @@ -1,102 +0,0 @@ -Broadcom Northstar2 IOMUX Controller - -The Northstar2 IOMUX controller supports group based mux configuration. There -are some individual pins that support modifying the pinconf parameters. - -Required properties: - -- compatible: - Must be "brcm,ns2-pinmux" - -- reg: - Define the base and range of the I/O address space that contains the - Northstar2 IOMUX and pin configuration registers. - -Properties in sub nodes: - -- function: - The mux function to select - -- groups: - The list of groups to select with a given function - -- pins: - List of pin names to change configuration - -The generic properties bias-disable, bias-pull-down, bias-pull-up, -drive-strength, slew-rate, input-enable, input-disable are supported -for some individual pins listed at the end. - -For more details, refer to -Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt - -For example: - - pinctrl: pinctrl@6501d130 { - compatible = "brcm,ns2-pinmux"; - reg = <0x6501d130 0x08>, - <0x660a0028 0x04>, - <0x660009b0 0x40>; - - pinctrl-names = "default"; - pinctrl-0 = <&nand_sel>, <&uart3_rx>, <&sdio0_d4>; - - /* Select nand function */ - nand_sel: nand_sel { - function = "nand"; - groups = "nand_grp"; - }; - - /* Pull up the uart3 rx pin */ - uart3_rx: uart3_rx { - pins = "uart3_sin"; - bias-pull-up; - }; - - /* Set the drive strength of sdio d4 pin */ - sdio0_d4: sdio0_d4 { - pins = "sdio0_data4"; - drive-strength = <8>; - }; - }; - -List of supported functions and groups in Northstar2: - -"nand": "nand_grp" - -"nor": "nor_data_grp", "nor_adv_grp", "nor_addr_0_3_grp", "nor_addr_4_5_grp", - "nor_addr_6_7_grp", "nor_addr_8_9_grp", "nor_addr_10_11_grp", - "nor_addr_12_15_grp" - -"gpio": "gpio_0_1_grp", "gpio_2_5_grp", "gpio_6_7_grp", "gpio_8_9_grp", - "gpio_10_11_grp", "gpio_12_13_grp", "gpio_14_17_grp", "gpio_18_19_grp", - "gpio_20_21_grp", "gpio_22_23_grp", "gpio_24_25_grp", "gpio_26_27_grp", - "gpio_28_29_grp", "gpio_30_31_grp" - -"pcie": "pcie_ab1_clk_wak_grp", "pcie_a3_clk_wak_grp", "pcie_b3_clk_wak_grp", - "pcie_b2_clk_wak_grp", "pcie_a2_clk_wak_grp" - -"uart0": "uart0_modem_grp", "uart0_rts_cts_grp", "uart0_in_out_grp" - -"uart1": "uart1_ext_clk_grp", "uart1_dcd_dsr_grp", "uart1_ri_dtr_grp", - "uart1_rts_cts_grp", "uart1_in_out_grp" - -"uart2": "uart2_rts_cts_grp" - -"pwm": "pwm_0_grp", "pwm_1_grp", "pwm_2_grp", "pwm_3_grp" - - -List of pins that support pinconf parameters: - -"qspi_wp", "qspi_hold", "qspi_cs", "qspi_sck", "uart3_sin", "uart3_sout", -"qspi_mosi", "qspi_miso", "spi0_fss", "spi0_rxd", "spi0_txd", "spi0_sck", -"spi1_fss", "spi1_rxd", "spi1_txd", "spi1_sck", "sdio0_data7", -"sdio0_emmc_rst", "sdio0_led_on", "sdio0_wp", "sdio0_data3", "sdio0_data4", -"sdio0_data5", "sdio0_data6", "sdio0_cmd", "sdio0_data0", "sdio0_data1", -"sdio0_data2", "sdio1_led_on", "sdio1_wp", "sdio0_cd_l", "sdio0_clk", -"sdio1_data5", "sdio1_data6", "sdio1_data7", "sdio1_emmc_rst", "sdio1_data1", -"sdio1_data2", "sdio1_data3", "sdio1_data4", "sdio1_cd_l", "sdio1_clk", -"sdio1_cmd", "sdio1_data0", "ext_mdio_0", "ext_mdc_0", "usb3_p1_vbus_ppc", -"usb3_p1_overcurrent", "usb3_p0_vbus_ppc", "usb3_p0_overcurrent", -"usb2_presence_indication", "usb2_vbus_present", "usb2_vbus_ppc", -"usb2_overcurrent", "sata_led1", "sata_led0" diff --git a/Documentation/devicetree/bindings/pinctrl/brcm,ns2-pinmux.yaml b/Documentation/devicetree/bindings/pinctrl/brcm,ns2-pinmux.yaml new file mode 100644 index 0000000000000..1de23c06fa49b --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/brcm,ns2-pinmux.yaml @@ -0,0 +1,111 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pinctrl/brcm,ns2-pinmux.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Broadcom Northstar2 IOMUX Controller + +maintainers: + - Ray Jui + - Scott Branden + +properties: + compatible: + const: brcm,ns2-pinmux + + reg: + maxItems: 3 + +additionalProperties: + description: Pin group node properties + type: object + allOf: + - $ref: /schemas/pinctrl/pincfg-node.yaml# + - $ref: /schemas/pinctrl/pinmux-node.yaml# + additionalProperties: false + + properties: + function: + description: The mux function to select + $ref: /schemas/types.yaml#/definitions/string + + groups: + items: + enum: [ + nand_grp, nor_data_grp, nor_adv_grp, nor_addr_0_3_grp, + nor_addr_4_5_grp, nor_addr_6_7_grp, nor_addr_8_9_grp, + nor_addr_10_11_grp, nor_addr_12_15_grp, gpio_0_1_grp, gpio_2_5_grp, + gpio_6_7_grp, gpio_8_9_grp, gpio_10_11_grp, gpio_12_13_grp, + gpio_14_17_grp, gpio_18_19_grp, gpio_20_21_grp, gpio_22_23_grp, + gpio_24_25_grp, gpio_26_27_grp, gpio_28_29_grp, gpio_30_31_grp, + pcie_ab1_clk_wak_grp, pcie_a3_clk_wak_grp, pcie_b3_clk_wak_grp, + pcie_b2_clk_wak_grp, pcie_a2_clk_wak_grp, uart0_modem_grp, + uart0_rts_cts_grp, uart0_in_out_grp, uart1_ext_clk_grp, + uart1_dcd_dsr_grp, uart1_ri_dtr_grp, uart1_rts_cts_grp, + uart1_in_out_grp, uart2_rts_cts_grp, pwm_0_grp, pwm_1_grp, pwm_2_grp, + pwm_3_grp + ] + + pins: + items: + enum: [ + qspi_wp, qspi_hold, qspi_cs, qspi_sck, uart3_sin, uart3_sout, + qspi_mosi, qspi_miso, spi0_fss, spi0_rxd, spi0_txd, spi0_sck, + spi1_fss, spi1_rxd, spi1_txd, spi1_sck, sdio0_data7, sdio0_emmc_rst, + sdio0_led_on, sdio0_wp, sdio0_data3, sdio0_data4, sdio0_data5, + sdio0_data6, sdio0_cmd, sdio0_data0, sdio0_data1, sdio0_data2, + sdio1_led_on, sdio1_wp, sdio0_cd_l, sdio0_clk, sdio1_data5, + sdio1_data6, sdio1_data7, sdio1_emmc_rst, sdio1_data1, sdio1_data2, + sdio1_data3, sdio1_data4, sdio1_cd_l, sdio1_clk, sdio1_cmd, + sdio1_data0, ext_mdio_0, ext_mdc_0, usb3_p1_vbus_ppc, + usb3_p1_overcurrent, usb3_p0_vbus_ppc, usb3_p0_overcurrent, + usb2_presence_indication, usb2_vbus_present, usb2_vbus_ppc, + usb2_overcurrent, sata_led1, sata_led0 + ] + + bias-disable: true + bias-pull-down: true + bias-pull-up: true + drive-strength: true + slew-rate: true + input-enable: true + input-disable: true + + oneOf: + - required: + - groups + - function + - required: + - pins + +required: + - compatible + - reg + +examples: + - | + pinctrl@6501d130 { + compatible = "brcm,ns2-pinmux"; + reg = <0x6501d130 0x08>, + <0x660a0028 0x04>, + <0x660009b0 0x40>; + + /* Select nand function */ + nand-sel { + function = "nand"; + groups = "nand_grp"; + }; + + /* Pull up the uart3 rx pin */ + uart3-rx { + pins = "uart3_sin"; + bias-pull-up; + }; + + /* Set the drive strength of sdio d4 pin */ + sdio0-d4 { + pins = "sdio0_data4"; + drive-strength = <8>; + }; + };