Re: [PATCH 2/2] dt-bindings: pinctrl: qcom,sm8150: convert to dtschema

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On Thu, Oct 06, 2022 at 04:45:18PM +0200, Krzysztof Kozlowski wrote:
> Convert Qualcomm SM8150 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').
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>

There are a few differences between the old and new binding, nice to see
those mistakes being corrected.

Reviewed-by: Bjorn Andersson <andersson@xxxxxxxxxx>

Regards,
Bjorn

> ---
>  .../bindings/pinctrl/qcom,sm8150-pinctrl.txt  | 190 ------------------
>  .../bindings/pinctrl/qcom,sm8150-pinctrl.yaml | 178 ++++++++++++++++
>  2 files changed, 178 insertions(+), 190 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/pinctrl/qcom,sm8150-pinctrl.txt
>  create mode 100644 Documentation/devicetree/bindings/pinctrl/qcom,sm8150-pinctrl.yaml
> 
> diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,sm8150-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/qcom,sm8150-pinctrl.txt
> deleted file mode 100644
> index fa37733e5102..000000000000
> --- a/Documentation/devicetree/bindings/pinctrl/qcom,sm8150-pinctrl.txt
> +++ /dev/null
> @@ -1,190 +0,0 @@
> -Qualcomm SM8150 TLMM block
> -
> -This binding describes the Top Level Mode Multiplexer block found in the
> -QCS404 platform.
> -
> -- compatible:
> -	Usage: required
> -	Value type: <string>
> -	Definition: must be "qcom,sm8150-pinctrl"
> -
> -- reg:
> -	Usage: required
> -	Value type: <prop-encoded-array>
> -	Definition: the base address and size of the north, south, west
> -		    and east TLMM tiles.
> -
> -- reg-names:
> -	Usage: required
> -	Value type: <prop-encoded-array>
> -	Defintiion: names for the cells of reg, must contain "north", "south"
> -		    "west" and "east".
> -
> -- interrupts:
> -	Usage: required
> -	Value type: <prop-encoded-array>
> -	Definition: should specify the TLMM summary IRQ.
> -
> -- interrupt-controller:
> -	Usage: required
> -	Value type: <none>
> -	Definition: identifies this node as an interrupt controller
> -
> -- #interrupt-cells:
> -	Usage: required
> -	Value type: <u32>
> -	Definition: must be 2. Specifying the pin number and flags, as defined
> -		    in <dt-bindings/interrupt-controller/irq.h>
> -
> -- gpio-controller:
> -	Usage: required
> -	Value type: <none>
> -	Definition: identifies this node as a gpio controller
> -
> -- #gpio-cells:
> -	Usage: required
> -	Value type: <u32>
> -	Definition: must be 2. Specifying the pin number and flags, as defined
> -		    in <dt-bindings/gpio/gpio.h>
> -
> -- gpio-ranges:
> -	Usage: required
> -	Value type: <prop-encoded-array>
> -	Definition:  see ../gpio/gpio.txt
> -
> -- gpio-reserved-ranges:
> -	Usage: optional
> -	Value type: <prop-encoded-array>
> -	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: <string-array>
> -	Definition: List of gpio pins affected by the properties specified in
> -		    this subnode.
> -
> -		    Valid pins are:
> -		      gpio0-gpio149
> -		        Supports mux, bias and drive-strength
> -
> -		      sdc1_clk, sdc1_cmd, sdc1_data sdc2_clk, sdc2_cmd,
> -		      sdc2_data sdc1_rclk
> -		        Supports bias and drive-strength
> -
> -		      ufs_reset
> -		        Supports bias and drive-strength
> -
> -- function:
> -	Usage: required
> -	Value type: <string>
> -	Definition: Specify the alternative function to be configured for the
> -		    specified pins. Functions are only valid for gpio pins.
> -		    Valid values are:
> -
> -		    adsp_ext, agera_pll, aoss_cti, ddr_pxi2, atest_char,
> -		    atest_char0, atest_char1, atest_char2, atest_char3,
> -		    audio_ref, atest_usb1, atest_usb2, atest_usb10,
> -		    atest_usb11, atest_usb12, atest_usb13, atest_usb20,
> -		    atest_usb21, atest_usb22, atest_usb2, atest_usb23,
> -		    btfm_slimbus, cam_mclk, cci_async, cci_i2c, cci_timer0,
> -		    cci_timer1, cci_timer2, cci_timer3, cci_timer4,
> -		    cri_trng, cri_trng0, cri_trng1, dbg_out, ddr_bist,
> -		    ddr_pxi0, ddr_pxi1, ddr_pxi3, edp_hot, edp_lcd,
> -		    emac_phy, emac_pps, gcc_gp1, gcc_gp2, gcc_gp3, gpio,
> -		    hs1_mi2s, hs2_mi2s, hs3_mi2s, jitter_bist,
> -		    lpass_slimbus, mdp_vsync, mdp_vsync0, mdp_vsync1,
> -		    mdp_vsync2, mdp_vsync3, mss_lte, m_voc, nav_pps,
> -		    pa_indicator, pci_e0, phase_flag, pll_bypassnl,
> -		    pll_bist, pci_e1, pll_reset, pri_mi2s, pri_mi2s_ws,
> -		    prng_rosc, qdss, qdss_cti, qlink_request, qlink_enable,
> -		    qspi0, qspi1, qspi2, qspi3, qspi_clk, qspi_cs, qua_mi2s,
> -		    qup0, qup1, qup2, qup3, qup4, qup5, qup6, qup7, qup8,
> -		    qup9, qup10, qup11, qup12, qup13, qup14, qup15, qup16,
> -		    qup17, qup18, qup19, qup_l4, qup_l5, qup_l6, rgmii,
> -		    sdc4, sd_write, sec_mi2s, spkr_i2s, sp_cmu, ter_mi2s,
> -		    tgu_ch0, tgu_ch1, tgu_ch2, tgu_ch3, tsense_pwm1,
> -		    tsense_pwm2, tsif1, tsif2, uim1, uim2, uim_batt,
> -		    usb2phy_ac, usb_phy, vfr_1, vsense_trigger, wlan1_adc0,
> -		    wlan1_adc1, wlan2_adc0, wlan2_adc1, wmss_reset
> -
> -- bias-disable:
> -	Usage: optional
> -	Value type: <none>
> -	Definition: The specified pins should be configued as no pull.
> -
> -- bias-pull-down:
> -	Usage: optional
> -	Value type: <none>
> -	Definition: The specified pins should be configued as pull down.
> -
> -- bias-pull-up:
> -	Usage: optional
> -	Value type: <none>
> -	Definition: The specified pins should be configued as pull up.
> -
> -- output-high:
> -	Usage: optional
> -	Value type: <none>
> -	Definition: The specified pins are configured in output mode, driven
> -		    high.
> -		    Not valid for sdc pins.
> -
> -- output-low:
> -	Usage: optional
> -	Value type: <none>
> -	Definition: The specified pins are configured in output mode, driven
> -		    low.
> -		    Not valid for sdc pins.
> -
> -- drive-strength:
> -	Usage: optional
> -	Value type: <u32>
> -	Definition: Selects the drive strength for the specified pins, in mA.
> -		    Valid values are: 2, 4, 6, 8, 10, 12, 14 and 16
> -
> -Example:
> -
> -	tlmm: pinctrl@3000000 {
> -		compatible = "qcom,sm8150-pinctrl";
> -		reg = <0x03100000 0x300000>,
> -		      <0x03500000 0x300000>,
> -		      <0x03900000 0x300000>,
> -		      <0x03D00000 0x300000>;
> -		reg-names = "west", "east", "north", "south";
> -		interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
> -		gpio-controller;
> -		#gpio-cells = <2>;
> -		gpio-ranges = <&tlmm 0 0 175>;
> -		gpio-reserved-ranges = <0 4>, <126 4>;
> -		interrupt-controller;
> -		#interrupt-cells = <2>;
> -	};
> diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,sm8150-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/qcom,sm8150-pinctrl.yaml
> new file mode 100644
> index 000000000000..41066d88dc57
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pinctrl/qcom,sm8150-pinctrl.yaml
> @@ -0,0 +1,178 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/pinctrl/qcom,sm8150-pinctrl.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm SM8150 TLMM pin controller
> +
> +maintainers:
> +  - Bjorn Andersson <andersson@xxxxxxxxxx>
> +  - Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
> +
> +description:
> +  Top Level Mode Multiplexer pin controller in Qualcomm SM8150 SoC.
> +
> +properties:
> +  compatible:
> +    const: qcom,sm8150-pinctrl
> +
> +  reg:
> +    maxItems: 4
> +
> +  reg-names:
> +    items:
> +      - const: west
> +      - const: east
> +      - const: north
> +      - const: south
> +
> +  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: 88
> +
> +  gpio-line-names:
> +    maxItems: 175
> +
> +patternProperties:
> +  "-state$":
> +    oneOf:
> +      - $ref: "#/$defs/qcom-sm8150-tlmm-state"
> +      - patternProperties:
> +          "-pins$":
> +            $ref: "#/$defs/qcom-sm8150-tlmm-state"
> +        additionalProperties: false
> +
> +$defs:
> +  qcom-sm8150-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[0-6][0-9]|17[0-4])$"
> +            - enum: [ sdc2_clk, sdc2_cmd, sdc2_data, ufs_reset ]
> +        minItems: 1
> +        maxItems: 36
> +
> +      function:
> +        description:
> +          Specify the alternative function to be configured for the specified
> +          pins.
> +
> +        enum: [ adsp_ext, agera_pll, aoss_cti, ddr_pxi2, atest_char,
> +                atest_char0, atest_char1, atest_char2, atest_char3, audio_ref,
> +                atest_usb1, atest_usb2, atest_usb10, atest_usb11, atest_usb12,
> +                atest_usb13, atest_usb20, atest_usb21, atest_usb22, atest_usb2,
> +                atest_usb23, btfm_slimbus, cam_mclk, cci_async, cci_i2c,
> +                cci_timer0, cci_timer1, cci_timer2, cci_timer3, cci_timer4,
> +                cri_trng, cri_trng0, cri_trng1, dbg_out, ddr_bist, ddr_pxi0,
> +                ddr_pxi1, ddr_pxi3, edp_hot, edp_lcd, emac_phy, emac_pps,
> +                gcc_gp1, gcc_gp2, gcc_gp3, gpio, hs1_mi2s, hs2_mi2s, hs3_mi2s,
> +                jitter_bist, lpass_slimbus, mdp_vsync, mdp_vsync0, mdp_vsync1,
> +                mdp_vsync2, mdp_vsync3, mss_lte, m_voc, nav_pps, pa_indicator,
> +                pci_e0, phase_flag, pll_bypassnl, pll_bist, pci_e1, pll_reset,
> +                pri_mi2s, pri_mi2s_ws, prng_rosc, qdss, qdss_cti,
> +                qlink_request, qlink_enable, qspi0, qspi1, qspi2, qspi3,
> +                qspi_clk, qspi_cs, qua_mi2s, qup0, qup1, qup2, qup3, qup4,
> +                qup5, qup6, qup7, qup8, qup9, qup10, qup11, qup12, qup13,
> +                qup14, qup15, qup16, qup17, qup18, qup19, qup_l4, qup_l5,
> +                qup_l6, rgmii, sdc4, sd_write, sec_mi2s, spkr_i2s, sp_cmu,
> +                ter_mi2s, tgu_ch0, tgu_ch1, tgu_ch2, tgu_ch3, tsense_pwm1,
> +                tsense_pwm2, tsif1, tsif2, uim1, uim2, uim_batt, usb2phy_ac,
> +                usb_phy, vfr_1, vsense_trigger, wlan1_adc0, wlan1_adc1,
> +                wlan2_adc0, wlan2_adc1, wmss_reset ]
> +
> +      drive-strength:
> +        enum: [2, 4, 6, 8, 10, 12, 14, 16]
> +        default: 2
> +        description:
> +          Selects the drive strength for the specified pins, in mA.
> +
> +      bias-pull-down: true
> +      bias-pull-up: true
> +      bias-disable: 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
> +  - reg-names
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +
> +    tlmm: pinctrl@3100000 {
> +        compatible = "qcom,sm8150-pinctrl";
> +        reg = <0x03100000 0x300000>,
> +              <0x03500000 0x300000>,
> +              <0x03900000 0x300000>,
> +              <0x03d00000 0x300000>;
> +        reg-names = "west", "east", "north", "south";
> +        interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
> +        gpio-ranges = <&tlmm 0 0 176>;
> +        gpio-controller;
> +        #gpio-cells = <2>;
> +        interrupt-controller;
> +        #interrupt-cells = <2>;
> +        wakeup-parent = <&pdc>;
> +
> +        qup-spi0-default-state {
> +            pins = "gpio0", "gpio1", "gpio2", "gpio3";
> +            function = "qup0";
> +            drive-strength = <6>;
> +            bias-disable;
> +        };
> +
> +        pcie1-default-state {
> +            perst-pins {
> +                pins = "gpio102";
> +                function = "gpio";
> +                drive-strength = <2>;
> +                bias-pull-down;
> +            };
> +
> +            clkreq-pins {
> +                pins = "gpio103";
> +                function = "pci_e1";
> +                drive-strength = <2>;
> +                bias-pull-up;
> +            };
> +
> +            wake-pins {
> +                pins = "gpio104";
> +                function = "gpio";
> +                drive-strength = <2>;
> +                bias-pull-up;
> +            };
> +        };
> +    };
> -- 
> 2.34.1
> 



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