From: Krzysztof Kozlowski Date: Wed, 9 Nov 2022 10:51:38 +0000 (+0100) Subject: dt-bindings: pinctrl: qcom,msm8960: convert to dtschema X-Git-Tag: v6.6.7~3933^2~21^2~1 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=51cd31ae20e352d8c718f787510217d3ae0f6200;p=platform%2Fkernel%2Flinux-starfive.git dt-bindings: pinctrl: qcom,msm8960: convert to dtschema Convert Qualcomm MSM8960 pin controller bindings to DT schema. Keep the parsing of pin configuration subnodes consistent with other Qualcomm schemas (children named with '-state' suffix, their children with '-pins'). Reviewed-by: Bjorn Andersson Link: https://lore.kernel.org/r/20221109105140.48196-1-krzysztof.kozlowski@linaro.org Signed-off-by: Krzysztof Kozlowski --- diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,msm8960-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/qcom,msm8960-pinctrl.txt deleted file mode 100644 index a7dd213..0000000 --- a/Documentation/devicetree/bindings/pinctrl/qcom,msm8960-pinctrl.txt +++ /dev/null @@ -1,190 +0,0 @@ -Qualcomm MSM8960 TLMM block - -This binding describes the Top Level Mode Multiplexer block found in the -MSM8960 platform. - -- compatible: - Usage: required - Value type: - Definition: must be "qcom,msm8960-pinctrl" - -- reg: - Usage: required - Value type: - Definition: the base address and size of the TLMM register space. - -- interrupts: - Usage: required - Value type: - Definition: should specify the TLMM summary IRQ. - -- interrupt-controller: - Usage: required - Value type: - Definition: identifies this node as an interrupt controller - -- #interrupt-cells: - Usage: required - Value type: - Definition: must be 2. Specifying the pin number and flags, as defined - in - -- gpio-controller: - Usage: required - Value type: - Definition: identifies this node as a gpio controller - -- #gpio-cells: - Usage: required - Value type: - Definition: must be 2. Specifying the pin number and flags, as defined - in - -- gpio-ranges: - Usage: required - Definition: see ../gpio/gpio.txt - -- gpio-reserved-ranges: - Usage: optional - Definition: see ../gpio/gpio.txt - -Please refer to ../gpio/gpio.txt and ../interrupt-controller/interrupts.txt for -a general description of GPIO and interrupt bindings. - -Please refer to pinctrl-bindings.txt in this directory for details of the -common pinctrl bindings used by client devices, including the meaning of the -phrase "pin configuration node". - -The pin configuration nodes act as a container for an arbitrary number of -subnodes. Each of these subnodes represents some desired configuration for a -pin, a group, or a list of pins or groups. This configuration can include the -mux function to select on those pin(s)/group(s), and various pin configuration -parameters, such as pull-up, drive strength, etc. - - -PIN CONFIGURATION NODES: - -The name of each subnode is not important; all subnodes should be enumerated -and processed purely based on their content. - -Each subnode only affects those parameters that are explicitly listed. In -other words, a subnode that lists a mux function but no pin configuration -parameters implies no information about any pin configuration parameters. -Similarly, a pin subnode that describes a pullup parameter implies no -information about e.g. the mux function. - - -The following generic properties as defined in pinctrl-bindings.txt are valid -to specify in a pin configuration subnode: - -- pins: - Usage: required - Value type: - Definition: List of gpio pins affected by the properties specified in - this subnode. Valid pins are: - gpio0-gpio151, - sdc1_clk, - sdc1_cmd, - sdc1_data - sdc3_clk, - sdc3_cmd, - sdc3_data - -- function: - Usage: required - Value type: - Definition: Specify the alternative function to be configured for the - specified pins. Functions are only valid for gpio pins. - Valid values are: - audio_pcm, bt, cam_mclk0, cam_mclk1, cam_mclk2, - codec_mic_i2s, codec_spkr_i2s, ext_gps, fm, gps_blanking, - gps_pps_in, gps_pps_out, gp_clk_0a, gp_clk_0b, gp_clk_1a, - gp_clk_1b, gp_clk_2a, gp_clk_2b, gp_mn, gp_pdm_0a, - gp_pdm_0b, gp_pdm_1a, gp_pdm_1b, gp_pdm_2a, gp_pdm_2b, gpio, - gsbi1, gsbi1_spi_cs1_n, gsbi1_spi_cs2a_n, gsbi1_spi_cs2b_n, - gsbi1_spi_cs3_n, gsbi2, gsbi2_spi_cs1_n, gsbi2_spi_cs2_n, - gsbi2_spi_cs3_n, gsbi3, gsbi4, gsbi4_3d_cam_i2c_l, - gsbi4_3d_cam_i2c_r, gsbi5, gsbi5_3d_cam_i2c_l, - gsbi5_3d_cam_i2c_r, gsbi6, gsbi7, gsbi8, gsbi9, gsbi10, - gsbi11, gsbi11_spi_cs1a_n, gsbi11_spi_cs1b_n, - gsbi11_spi_cs2a_n, gsbi11_spi_cs2b_n, gsbi11_spi_cs3_n, - gsbi12, hdmi_cec, hdmi_ddc_clock, hdmi_ddc_data, - hdmi_hot_plug_detect, hsic, mdp_vsync, mi2s, mic_i2s, - pmb_clk, pmb_ext_ctrl, ps_hold, rpm_wdog, sdc2, sdc4, sdc5, - slimbus1, slimbus2, spkr_i2s, ssbi1, ssbi2, ssbi_ext_gps, - ssbi_pmic2, ssbi_qpa1, ssbi_ts, tsif1, tsif2, ts_eoc, - usb_fs1, usb_fs1_oe, usb_fs1_oe_n, usb_fs2, usb_fs2_oe, - usb_fs2_oe_n, vfe_camif_timer1_a, vfe_camif_timer1_b, - vfe_camif_timer2, vfe_camif_timer3_a, vfe_camif_timer3_b, - vfe_camif_timer4_a, vfe_camif_timer4_b, vfe_camif_timer4_c, - vfe_camif_timer5_a, vfe_camif_timer5_b, vfe_camif_timer6_a, - vfe_camif_timer6_b, vfe_camif_timer6_c, vfe_camif_timer7_a, - vfe_camif_timer7_b, vfe_camif_timer7_c, wlan - -- bias-disable: - Usage: optional - Value type: - Definition: The specified pins should be configured as no pull. - -- bias-pull-down: - Usage: optional - Value type: - Definition: The specified pins should be configured as pull down. - -- bias-pull-up: - Usage: optional - Value type: - Definition: The specified pins should be configured as pull up. - -- output-high: - Usage: optional - Value type: - Definition: The specified pins are configured in output mode, driven - high. - Not valid for sdc pins. - -- output-low: - Usage: optional - Value type: - Definition: The specified pins are configured in output mode, driven - low. - Not valid for sdc pins. - -- drive-strength: - Usage: optional - Value type: - Definition: Selects the drive strength for the specified pins, in mA. - Valid values are: 2, 4, 6, 8, 10, 12, 14 and 16 - -Example: - - msmgpio: pinctrl@800000 { - compatible = "qcom,msm8960-pinctrl"; - reg = <0x800000 0x4000>; - - gpio-controller; - #gpio-cells = <2>; - gpio-ranges = <&msmgpio 0 0 152>; - interrupt-controller; - #interrupt-cells = <2>; - interrupts = <0 16 0x4>; - - gsbi8_uart: gsbi8-uart { - mux { - pins = "gpio34", "gpio35"; - function = "gsbi8"; - }; - - tx { - pins = "gpio34"; - drive-strength = <4>; - bias-disable; - }; - - rx { - pins = "gpio35"; - drive-strength = <2>; - bias-pull-up; - }; - }; - }; diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,msm8960-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/qcom,msm8960-pinctrl.yaml new file mode 100644 index 0000000..33d07d5 --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/qcom,msm8960-pinctrl.yaml @@ -0,0 +1,164 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pinctrl/qcom,msm8960-pinctrl.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm MSM8960 TLMM pin controller + +maintainers: + - Bjorn Andersson + - Krzysztof Kozlowski + +description: + Top Level Mode Multiplexer pin controller in Qualcomm MSM8960 SoC. + +properties: + compatible: + const: qcom,msm8960-pinctrl + + reg: + maxItems: 1 + + interrupts: true + interrupt-controller: true + "#interrupt-cells": true + gpio-controller: true + "#gpio-cells": true + gpio-ranges: true + wakeup-parent: true + + gpio-reserved-ranges: + minItems: 1 + maxItems: 76 + + gpio-line-names: + maxItems: 152 + +patternProperties: + "-state$": + oneOf: + - $ref: "#/$defs/qcom-msm8960-tlmm-state" + - patternProperties: + "-pins$": + $ref: "#/$defs/qcom-msm8960-tlmm-state" + additionalProperties: false + +$defs: + qcom-msm8960-tlmm-state: + type: object + description: + Pinctrl node's client devices use subnodes for desired pin configuration. + Client device subnodes use below standard properties. + $ref: qcom,tlmm-common.yaml#/$defs/qcom-tlmm-state + + properties: + pins: + description: + List of gpio pins affected by the properties specified in this + subnode. + items: + oneOf: + - pattern: "^gpio([0-9]|[1-9][0-9]|1[0-4][0-9]|15[0-1])$" + - enum: [ sdc1_clk, sdc1_cmd, sdc1_data, sdc3_clk, sdc3_cmd, + sdc3_data ] + minItems: 1 + maxItems: 36 + + function: + description: + Specify the alternative function to be configured for the specified + pins. + + enum: [ gpio, audio_pcm, bt, cam_mclk0, cam_mclk1, cam_mclk2, + codec_mic_i2s, codec_spkr_i2s, ext_gps, fm, gps_blanking, + gps_pps_in, gps_pps_out, gp_clk_0a, gp_clk_0b, gp_clk_1a, + gp_clk_1b, gp_clk_2a, gp_clk_2b, gp_mn, gp_pdm_0a, gp_pdm_0b, + gp_pdm_1a, gp_pdm_1b, gp_pdm_2a, gp_pdm_2b, gsbi1, + gsbi1_spi_cs1_n, gsbi1_spi_cs2a_n, gsbi1_spi_cs2b_n, + gsbi1_spi_cs3_n, gsbi2, gsbi2_spi_cs1_n, gsbi2_spi_cs2_n, + gsbi2_spi_cs3_n, gsbi3, gsbi4, gsbi4_3d_cam_i2c_l, + gsbi4_3d_cam_i2c_r, gsbi5, gsbi5_3d_cam_i2c_l, + gsbi5_3d_cam_i2c_r, gsbi6, gsbi7, gsbi8, gsbi9, gsbi10, gsbi11, + gsbi11_spi_cs1a_n, gsbi11_spi_cs1b_n, gsbi11_spi_cs2a_n, + gsbi11_spi_cs2b_n, gsbi11_spi_cs3_n, gsbi12, hdmi_cec, + hdmi_ddc_clock, hdmi_ddc_data, hdmi_hot_plug_detect, hsic, + mdp_vsync, mi2s, mic_i2s, pmb_clk, pmb_ext_ctrl, ps_hold, + rpm_wdog, sdc2, sdc4, sdc5, slimbus1, slimbus2, spkr_i2s, + ssbi1, ssbi2, ssbi_ext_gps, ssbi_pmic2, ssbi_qpa1, ssbi_ts, + tsif1, tsif2, ts_eoc, usb_fs1, usb_fs1_oe, usb_fs1_oe_n, + usb_fs2, usb_fs2_oe, usb_fs2_oe_n, vfe_camif_timer1_a, + vfe_camif_timer1_b, vfe_camif_timer2, vfe_camif_timer3_a, + vfe_camif_timer3_b, vfe_camif_timer4_a, vfe_camif_timer4_b, + vfe_camif_timer4_c, vfe_camif_timer5_a, vfe_camif_timer5_b, + vfe_camif_timer6_a, vfe_camif_timer6_b, vfe_camif_timer6_c, + vfe_camif_timer7_a, vfe_camif_timer7_b, vfe_camif_timer7_c, + wlan ] + + bias-pull-down: true + bias-pull-up: true + bias-disable: true + drive-strength: true + input-enable: true + output-high: true + output-low: true + + required: + - pins + + additionalProperties: false + +allOf: + - $ref: /schemas/pinctrl/qcom,tlmm-common.yaml# + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + #include + + msmgpio: pinctrl@800000 { + compatible = "qcom,msm8960-pinctrl"; + reg = <0x800000 0x4000>; + #gpio-cells = <2>; + gpio-controller; + gpio-ranges = <&msmgpio 0 0 152>; + interrupts = ; + interrupt-controller; + #interrupt-cells = <2>; + + spi1-default-state { + mosi-pins { + pins = "gpio6"; + function = "gsbi1"; + drive-strength = <12>; + bias-disable; + }; + + miso-pins { + pins = "gpio7"; + function = "gsbi1"; + drive-strength = <12>; + bias-disable; + }; + + cs-pins { + pins = "gpio8"; + function = "gpio"; + drive-strength = <12>; + bias-disable; + output-low; + }; + + clk-pins { + pins = "gpio9"; + function = "gsbi1"; + drive-strength = <12>; + bias-disable; + }; + }; + };