[PATCH V6 3/7] dt-bindings: pinctrl: qcom: Add support for IPQ9574

[Devi Priya]

Thanks for taking time to review the patch

On 2/3/2023 11:20 AM, Kathiravan T wrote:
> 
> On 2/2/2023 8:36 PM, Devi Priya wrote:
>> Add new binding document for pinctrl on IPQ9574
>>
>> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski at linaro.org>
>> Co-developed-by: Anusha Rao <quic_anusha at quicinc.com>
>> Signed-off-by: Anusha Rao <quic_anusha at quicinc.com>
>> Signed-off-by: Devi Priya <quic_devipriy at quicinc.com>
>> ---
>>   .../bindings/pinctrl/qcom,ipq9574-tlmm.yaml   | 137 ++++++++++++++++++
>>   1 file changed, 137 insertions(+)
>>   create mode 100644 
>> Documentation/devicetree/bindings/pinctrl/qcom,ipq9574-tlmm.yaml
>>
>> diff --git 
>> a/Documentation/devicetree/bindings/pinctrl/qcom,ipq9574-tlmm.yaml 
>> b/Documentation/devicetree/bindings/pinctrl/qcom,ipq9574-tlmm.yaml
>> new file mode 100644
>> index 000000000000..053b15ccb7a5
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/pinctrl/qcom,ipq9574-tlmm.yaml
>> @@ -0,0 +1,137 @@
>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/pinctrl/qcom,ipq9574-tlmm.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: Qualcomm Technologies, Inc. IPQ9574 TLMM block
>> +
>> +maintainers:
>> +  - Bjorn Andersson <andersson at kernel.org>
>> +  - Krzysztof Kozlowski <krzysztof.kozlowski at linaro.org>
>> +
>> +description:
>> +  Top Level Mode Multiplexer pin controller in Qualcomm IPQ9574 SoC.
>> +
>> +properties:
>> +  compatible:
>> +    const: qcom,ipq9574-tlmm
>> +
>> +  reg:
>> +    maxItems: 1
>> +
>> +  interrupts:
>> +    maxItems: 1
>> +
>> +  interrupt-controller: true
>> +  "#interrupt-cells": true
>> +  gpio-controller: true
>> +  "#gpio-cells": true
>> +  gpio-ranges: true
>> +  wakeup-parent: true
>> +
>> +  gpio-reserved-ranges:
>> +    minItems: 1
>> +    maxItems: 33
>> +
>> +  gpio-line-names:
>> +    maxItems: 65
>> +
>> +patternProperties:
>> +  "-state$":
>> +    oneOf:
>> +      - $ref: "#/$defs/qcom-ipq9574-tlmm-state"
>> +      - patternProperties:
>> +          "-pins$":
>> +            $ref: "#/$defs/qcom-ipq9574-tlmm-state"
>> +        additionalProperties: false
>> +
>> +$defs:
>> +  qcom-ipq9574-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]|[1-5][0-9]|6[0-4])$"
>> +            - enum: [ qdsd_cmd, qdsd_data0, qdsd_data1, qdsd_data2, 
>> qdsd_cmd,
>> +                      qdsd_data0, qdsd_data1, qdsd_data2, qdsd_data3, 
>> sdc1_clk,
>> +                      sdc1_cmd, sdc1_data, sdc2_clk, sdc2_cmd, 
>> sdc2_data ]
>> +        minItems: 1
>> +        maxItems: 8
>> +
>> +      function:
>> +        description:
>> +          Specify the alternative function to be configured for the 
>> specified
>> +          pins.
>> +
>> +        enum: [ atest_char, atest_char0, atest_char1, atest_char2, 
>> atest_char3,
>> +                audio_pdm0, audio_pdm1, audio_pri, audio_sec, 
>> blsp0_spi, blsp0_uart,
>> +                blsp1_i2c, blsp1_spi, blsp1_uart, blsp2_i2c, blsp2_spi,
>> +                blsp2_uart, blsp3_i2c, blsp3_spi, blsp3_uart, blsp4_i2c,
>> +                blsp4_spi, blsp4_uart, blsp5_i2c, blsp5_uart, cri_trng0,
>> +                cri_trng1, cri_trng3, cxc0, cxc1, dbg_out, dwc_ddrphy,
>> +                gcc_plltest, gcc_tlmm, mac00, mac01, mac10, mac11, mdc,
>> +                mdio, pcie0_clk, pcie0_wake, pcie1_clk, pcie1_wake, 
>> pcie2_clk,
>> +                pcie2_wake, pcie3_clk, pcie3_wake, prng_rosc0, 
>> prng_rosc1,
>> +                prng_rosc2, prng_rosc3, pta1_0, pta1_1, pta1_2, 
>> pta20, pta21,
>> +                pwm00, pwm01, pwm02, pwm03, pwm04, pwm10, pwm11, 
>> pwm12, pwm13,
>> +                pwm14, pwm20, pwm21, pwm22, pwm23, pwm24, pwm30, 
>> pwm31, pwm32,
> 
> 
> Given that, In driver everything is grouped under a single name 'pwm', 
> are these pwm function names as still valid?
Yes correct.
Have updated the bindings accordingly in V7
> 
> 
>> +                pwm33, qdss_cti_trig_in_a0, qdss_cti_trig_in_a1, 
>> qdss_cti_trig_in_b0,
>> +                qdss_cti_trig_in_b1, qdss_cti_trig_out_a0, 
>> qdss_cti_trig_out_a1,
>> +                qdss_cti_trig_out_b0, qdss_cti_trig_out_b1, 
>> qdss_traceclk_a,
>> +                qdss_traceclk_b, qdss_tracectl_a, qdss_tracectl_b, 
>> qdss_tracedata_a,
>> +                qdss_tracedata_b, qdss_tracedata_b, qspi_clk, 
>> qspi_cs, qspi_data,
>> +                rx0, rx1, sdc_clk, sdc_cmd, sdc_data, sdc_rclk, 
>> tsens_max,
>> +                wci20, wci21, wsa_swrm ]
>> +
>> +      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 <dt-bindings/interrupt-controller/arm-gic.h>
>> +    tlmm: pinctrl at 1000000 {
>> +        compatible = "qcom,ipq9574-tlmm";
>> +        reg = <0x01000000 0x300000>;
>> +        interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
>> +        gpio-controller;
>> +        #gpio-cells = <2>;
>> +        interrupt-controller;
>> +        #interrupt-cells = <2>;
>> +        gpio-ranges = <&tlmm 0 0 65>;
>> +
>> +        uart2-state {
>> +            pins = "gpio34", "gpio35";
>> +            function = "blsp2_uart";
>> +            drive-strength = <8>;
>> +            bias-pull-down;
>> +        };
>> +    };
Best Regards,
Devi Priya