Re: [PATCH V5 1/5] dt-bindings: pinctrl: qcom: Add ipq6018 pinctrl bindings

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Hi Rob,
  Thanks for the review.

On 1/17/2020 9:31 PM, Rob Herring wrote:
> On Thu, Jan 16, 2020 at 01:14:57PM +0530, Sricharan R wrote:
>> Add device tree binding Documentation details for ipq6018
>> pinctrl driver.
>>
>> Co-developed-by: Rajkumar Ayyasamy <arajkuma@xxxxxxxxxxxxxx>
>> Signed-off-by: Rajkumar Ayyasamy <arajkuma@xxxxxxxxxxxxxx>
>> Co-developed-by: Selvam Sathappan Periakaruppan <speriaka@xxxxxxxxxxxxxx>
>> Signed-off-by: Selvam Sathappan Periakaruppan <speriaka@xxxxxxxxxxxxxx>
>> Co-developed-by: Sivaprakash Murugesan <sivaprak@xxxxxxxxxxxxxx>
>> Signed-off-by: Sivaprakash Murugesan <sivaprak@xxxxxxxxxxxxxx>
>> Signed-off-by: Sricharan R <sricharan@xxxxxxxxxxxxxx>
>> ---
>> [V5]
>> * Addressed review comments from Rob
>> * Ran dt bindings check and no errors were reported
>>  .../bindings/pinctrl/qcom,ipq6018-pinctrl.yaml     | 162 +++++++++++++++++++++
>>  1 file changed, 162 insertions(+)
>>  create mode 100644 Documentation/devicetree/bindings/pinctrl/qcom,ipq6018-pinctrl.yaml
>>
>> diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,ipq6018-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/qcom,ipq6018-pinctrl.yaml
>> new file mode 100644
>> index 0000000..0622258
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/pinctrl/qcom,ipq6018-pinctrl.yaml
>> @@ -0,0 +1,162 @@
>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/pinctrl/qcom,ipq6018-pinctrl.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: Qualcomm Technologies, Inc. IPQ6018 TLMM block
>> +
>> +maintainers:
>> +  - Sricharan R <sricharan@xxxxxxxxxxxxxx>
>> +
>> +description: |
>> +  This binding describes the Top Level Mode Multiplexer block found in the
>> +  IPQ6018 platform.
>> +
>> +properties:
>> +  compatible:
>> +    const: qcom,ipq6018-pinctrl
>> +
>> +  reg:
>> +    maxItems: 1
>> +
>> +  interrupts:
>> +    description: Specifies the TLMM summary IRQ
>> +    maxItems: 1
>> +
>> +  interrupt-controller: true
>> +
>> +  '#interrupt-cells':
>> +    description:
>> +      Specifies the PIN numbers and Flags, as defined in defined in
>> +      include/dt-bindings/interrupt-controller/irq.h
>> +    const: 2
>> +
>> +  gpio-controller: true
>> +
>> +  '#gpio-cells':
>> +    description: Specifying the pin number and flags, as defined in
>> +      include/dt-bindings/gpio/gpio.h
>> +    const: 2
>> +
>> +  gpio-ranges:
>> +    description: Documentation/devicetree/bindings/gpio/gpio.txt
> 
> You can drop the description. Nothing here specific to this binding.
>

 ok.

 
>> +    maxItems: 1
>> +
>> +#PIN CONFIGURATION NODES
>> +patternProperties:
>> +  '.*-pin.*':
> 
> Ideally, this would be a bit more constrained. Such as '-pin$' or 
> '-pinmux$'.
> 
> Note that '-pin' is equivalent to what you have.
>

 ok.
 
>> +    type: object
>> +    description:
>> +      Pinctrl node's client devices use subnodes for desired pin configuration.
>> +      Client device subnodes use below standard properties.
>> +    allOf:
>> +      - $ref: "/schemas/pinctrl/pincfg-node.yaml"
>> +
>> +    properties:
>> +      pins:
>> +        description:
>> +          List of gpio pins affected by the properties specified in this
>> +          subnode. The valid values are gpio1-80, sdc1_clk, sdc1_cmd,
>> +          sdc1_data, sdc2_clk, sdc2_cmd, sdc2_data, qdsd_cmd, qdsd_data0,
>> +          qdsd_data1, qdsd_data2, qdsd_data3
> 
> Looks like constraints:
> 
> items:
>   oneOf:
>     - pattern: "^gpio([1-9]|[1-7][0-9]|80)$"
>     - enum: [ sdc1_clk, sdc1_cmd, ... ]
>

 ok.
 
>> +        minItems: 1
>> +        maxItems: 4
>> +
>> +      function:
>> +        description:
>> +          Specify the alternative function to be configured for the specified
>> +          pins.
>> +        enum: [ adsp_ext, alsp_int, atest_bbrx0, atest_bbrx1, atest_char,
>> +          atest_char0, atest_char1, atest_char2, atest_char3, atest_combodac,
>> +          atest_gpsadc0, atest_gpsadc1, atest_tsens, atest_wlan0,
>> +          atest_wlan1, backlight_en, bimc_dte0, bimc_dte1, blsp1_i2c,
>> +          blsp2_i2c, blsp3_i2c, blsp4_i2c, blsp5_i2c, blsp6_i2c,  blsp1_spi,
>> +          blsp1_spi_cs1, blsp1_spi_cs2, blsp1_spi_cs3, blsp2_spi,
>> +          blsp2_spi_cs1, blsp2_spi_cs2, blsp2_spi_cs3, blsp3_spi,
>> +          blsp3_spi_cs1, blsp3_spi_cs2, blsp3_spi_cs3, blsp4_spi, blsp5_spi,
>> +          blsp6_spi, blsp1_uart, blsp2_uart, blsp1_uim, blsp2_uim, cam1_rst,
>> +          cam1_standby, cam_mclk0, cam_mclk1, cci_async, cci_i2c, cci_timer0,
>> +          cci_timer1, cci_timer2, cdc_pdm0, codec_mad, dbg_out, display_5v,
>> +          dmic0_clk, dmic0_data, dsi_rst, ebi0_wrcdc, euro_us, ext_lpass,
>> +          flash_strobe, gcc_gp1_clk_a, gcc_gp1_clk_b, gcc_gp2_clk_a,
>> +          gcc_gp2_clk_b, gcc_gp3_clk_a, gcc_gp3_clk_b, gpio, gsm0_tx0,
>> +          gsm0_tx1, gsm1_tx0, gsm1_tx1, gyro_accl, kpsns0, kpsns1, kpsns2,
>> +          ldo_en, ldo_update, mag_int, mdp_vsync, modem_tsync, m_voc,
>> +          nav_pps, nav_tsync, pa_indicator, pbs0, pbs1, pbs2, pri_mi2s,
>> +          pri_mi2s_ws, prng_rosc, pwr_crypto_enabled_a, pwr_crypto_enabled_b,
>> +          pwr_modem_enabled_a,  pwr_modem_enabled_b, pwr_nav_enabled_a,
>> +          pwr_nav_enabled_b, qdss_ctitrig_in_a0, qdss_ctitrig_in_a1,
>> +          qdss_ctitrig_in_b0, qdss_ctitrig_in_b1, qdss_ctitrig_out_a0,
>> +          qdss_ctitrig_out_a1, qdss_ctitrig_out_b0, qdss_ctitrig_out_b1,
>> +          qdss_traceclk_a, qdss_traceclk_b, qdss_tracectl_a, qdss_tracectl_b,
>> +          qdss_tracedata_a, qdss_tracedata_b, reset_n, sd_card, sd_write,
>> +          sec_mi2s, smb_int, ssbi_wtr0, ssbi_wtr1, uim1, uim2, uim3,
>> +          uim_batt, wcss_bt, wcss_fm, wcss_wlan, webcam1_rst ]
>> +
>> +      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:
>> +        type: boolean
>> +        description: The specified pin should be configured as pull down.
>> +
>> +      bias-pull-up:
>> +        type: boolean
>> +        description: The specified pin should be configured as pull up.
>> +
>> +      bias-disable:
>> +        type: boolean
>> +        description: The specified pin should be configured as no pull.
>> +
>> +      output-high:
>> +        type: boolean
>> +        description: The specified pin is configured in output mode, driven
>> +          high.
>> +
>> +      output-low:
>> +        type: boolean
>> +        description: The specified pin is configured in output mode, driven
>> +          low.
> 
> No need to redefine the type and description on these 5 properties. Just 
> a value of 'true' is enough.
> 

 ok.

Regards,
 Sricharan

-- 
"QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation



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