Add device tree binding Documentation for rtd1195 pinctrl driver. Signed-off-by: TY Chang <tychang@xxxxxxxxxxx> --- .../pinctrl/realtek,rtd1195-pinctrl.yaml | 104 ++++++++++++++++++ 1 file changed, 104 insertions(+) create mode 100644 Documentation/devicetree/bindings/pinctrl/realtek,rtd1195-pinctrl.yaml diff --git a/Documentation/devicetree/bindings/pinctrl/realtek,rtd1195-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/realtek,rtd1195-pinctrl.yaml new file mode 100644 index 000000000000..50a95bc46e2b --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/realtek,rtd1195-pinctrl.yaml @@ -0,0 +1,104 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pinctrl/realtek,rtd1195-pinctrl.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Realtek DHC RTD1195 pin control + +maintainers: + - Andreas Farber <afaerber@xxxxxxx> + +properties: + compatible: + enum: + - realtek,rtd1195-iso-pinctrl + - realtek,rtd1195-crt-pinctrl + reg: + maxItems: 1 + +required: + - compatible + - reg + +#PIN CONFIGURATION NODES +patternProperties: + '-pins$': + type: object + description: + Pinctrl node's client devices use subnodes for desired pin configuration. + Client device subnodes use below standard properties. + allOf: + - $ref: "/schemas/pinctrl/pincfg-node.yaml" + + properties: + groups: + items: + enum: [ iso_gpio_0, iso_gpio_1, usb0, usb1, vfd_cs_n, + vfd_clk, vfd_d, ir_rx, ir_tx, ur0_rx, ur0_tx, + ur1_rx, ur1_tx, ur1_cts_n, ur1_rts_n, i2c_scl_0, + i2c_sda_0, etn_led_link, etn_led_rxtx, + i2c_scl_6, i2c_sda_6, ai_loc, ejtag_avcpu_loc, + ur1_loc, pwm_01_open_drain, pwm_23_open_drain, + gpio_0, gpio_1, gpio_2, gpio_3, gpio_4, gpio_5, + gpio_6, gpio_7, gpio_8, nf_dd_0, nf_dd_1, + nf_dd_2, nf_dd_3, nf_dd_4, nf_dd_5, nf_dd_6, + nf_dd_7, nf_rdy, nf_rd_n, nf_wr_n, nf_ale, + nf_cle, nf_ce_n_0, nf_ce_n_1, mmc_data_0, + mmc_data_1, mmc_data_2, mmc_data_3, mmc_clk, + mmc_cmd, mmc_wp, mmc_cd, sdio_clk, sdio_data_0, + sdio_data_1, sdio_data_2, sdio_data_3, sdio_cmd, + i2c_scl_5, i2c_sda_5, tp1_data, tp1_clk, + tp1_valid, tp1_sync, tp0_data, tp0_clk, + tp0_valid, tp0_sync, usb_id, hdmi_hpd, spdif, + i2c_scl_1, i2c_sda_1, i2c_scl_4, i2c_sda_4, + sensor_cko_0, sensor_cko_1, sensor_rst, + sensor_stb_0, sensor_stb_1, ejtag_scpu_loc, + hif_loc, ao_loc ] + minItems: 1 + + function: + enum: [ gpio, ai_ur1, ai_vfd, avcpu_ejtag_iso, + avcpu_ejtag_misc_loc, etn_led, i2c0, i2c2, + i2c3, i2c6, ir_rx, ir_tx, pwm, standby_dbg, + uart0, uart1, ur1_misc, vfd, pwm_01_normal, + pwm_23_normal, pwm_01_open_drain, pwm_23_open_drain, + ao_tp0, ao_gpio, avcpu_ejtag_misc, cpu_loop, emmc, + gspi, hif_misc, hif_nf, i2c1, i2c2, i2c3, + i2c4, i2c5, mmc, nand, scpu_ejtag_gpio, + scpu_ejtag_cr, sdio, sensor, spdif, tp0, tp1, + uart1, usb ] + + drive-strength: + enum: [2, 4, 8] + + bias-pull-down: true + + bias-pull-up: true + + bias-disable: true + + input-schmitt-disable: true + + input-schmitt-enable: true + + required: + - groups + - function + + additionalProperties: false + +examples: + - | + iso_pinctrl: pinctrl@300 { + compatible = "realtek,rtd1195-iso-pinctrl"; + reg = <0x300 0x14>; + + i2c0_pins: i2c0-pins { + function = "i2c0"; + groups = "i2c_scl_0", "i2c_sda_0"; + drive-strength = <4>; + bias-disable; + }; + }; + -- 2.27.0
