Re: [PATCH v3 1/2] dt-bindings: pinctrl: qcom: Add SM8350 pinctrl bindings

From: Rob Herring
Date: Thu Dec 10 2020 - 08:55:14 EST


On Tue, Dec 08, 2020 at 02:27:47PM +0530, Vinod Koul wrote:
> Add device tree binding Documentation details for Qualcomm SM8350
> pinctrl driver.
>
> Signed-off-by: Vinod Koul <vkoul@xxxxxxxxxx>
> ---
>
> Changes since v1:
> - Fix pins pattern
> - Fix example indent
>
> .../bindings/pinctrl/qcom,sm8350-pinctrl.yaml | 151 ++++++++++++++++++
> 1 file changed, 151 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/pinctrl/qcom,sm8350-pinctrl.yaml
>
> diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,sm8350-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/qcom,sm8350-pinctrl.yaml
> new file mode 100644
> index 000000000000..8ddb347c43da
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pinctrl/qcom,sm8350-pinctrl.yaml
> @@ -0,0 +1,151 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/pinctrl/qcom,sm8350-pinctrl.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm Technologies, Inc. SM8350 TLMM block
> +
> +maintainers:
> + - Vinod Koul <vkoul@xxxxxxxxxx>
> +
> +description: |
> + This binding describes the Top Level Mode Multiplexer block found in the
> + SM8350 platform.
> +
> +properties:
> + compatible:
> + const: qcom,sm8350-pinctrl

If this block is called TLMM, then I'd expect that to be in the
compatible string. But I guess this is consistent with the others.

> +
> + reg:
> + description: Specifies the base address and size of the TLMM register space

Drop.

> + maxItems: 1
> +
> + interrupts:
> + description: Specifies the TLMM summary IRQ

Drop.

> + maxItems: 1
> +
> + interrupt-controller: true
> +
> + '#interrupt-cells':
> + description: Specifies the PIN numbers and Flags, as 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:
> + maxItems: 1
> +
> + gpio-reserved-ranges:
> + maxItems: 1
> +
> +#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.
> + $ref: "/schemas/pinctrl/pincfg-node.yaml"
> +

Don't you need mux and config nodes in here?

> + 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[0-9][0-9]|20[0-3])$"
> + - enum: [ sdc1_clk, sdc1_cmd, sdc1_data, sdc2_clk, sdc2_cmd, sdc2_data ]
> + minItems: 1
> + maxItems: 36
> +
> + function:
> + description:
> + Specify the alternative function to be configured for the specified
> + pins. Functions are only valid for gpio pins.
> + enum: [ atest_char, atest_usb, audio_ref, cam_mclk, cci_async,
> + cci_i2c, cci_timer, cmu_rng, coex_uart1, coex_uart2, cri_trng,
> + cri_trng0, cri_trng1, dbg_out, ddr_bist, ddr_pxi0, ddr_pxi1,
> + ddr_pxi2, ddr_pxi3, dp_hot, dp_lcd, gcc_gp1, gcc_gp2, gcc_gp3,
> + gpio, ibi_i3c, jitter_bist, lpass_slimbus, mdp_vsync, mdp_vsync0,
> + mdp_vsync1, mdp_vsync2, mdp_vsync3, mi2s0_data0, mi2s0_data1,
> + mi2s0_sck, mi2s0_ws, mi2s1_data0, mi2s1_data1, mi2s1_sck,
> + mi2s1_ws, mi2s2_data0, mi2s2_data1, mi2s2_sck, mi2s2_ws,
> + mss_grfc0, mss_grfc1, mss_grfc10, mss_grfc11, mss_grfc12,
> + mss_grfc2, mss_grfc3, mss_grfc4, mss_grfc5, mss_grfc6,
> + mss_grfc7, mss_grfc8, mss_grfc9, nav_gpio, pa_indicator,
> + pcie0_clkreqn, pcie1_clkreqn, phase_flag, pll_bist, pll_clk,
> + pri_mi2s, prng_rosc, qdss_cti, qdss_gpio, qlink0_enable,
> + qlink0_request, qlink0_wmss, qlink1_enable, qlink1_request,
> + qlink1_wmss, qlink2_enable, qlink2_request, qlink2_wmss, qspi0,
> + qspi1, qspi2, qspi3, qspi_clk, qspi_cs, qup0, qup1, qup10,
> + qup11, qup12, qup13, qup14, qup15, qup16, qup17, qup18, qup19,
> + qup2, qup3, qup4, qup5, qup6, qup7, qup8, qup9, qup_l4, qup_l5,
> + qup_l6, sd_write, sdc40, sdc41, sdc42, sdc43, sdc4_clk,
> + sdc4_cmd, sec_mi2s, tb_trig, tgu_ch0, tgu_ch1, tgu_ch2,
> + tgu_ch3, tsense_pwm1, tsense_pwm2, uim0_clk, uim0_data,
> + uim0_present, uim0_reset, uim1_clk, uim1_data, uim1_present,
> + uim1_reset, usb2phy_ac, usb_phy, vfr_0, vfr_1, vsense_trigger ]
> +
> +
> + 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
> +
> + output-high: true
> +
> + output-low: true
> +
> + required:
> + - pins
> + - function
> +
> + additionalProperties: false
> +
> +required:
> + - compatible
> + - reg
> + - interrupts
> + - interrupt-controller
> + - '#interrupt-cells'
> + - gpio-controller
> + - '#gpio-cells'
> + - gpio-ranges
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/interrupt-controller/arm-gic.h>
> + tlmm: pinctrl@f000000 {
> + compatible = "qcom,sm8350-pinctrl";
> + reg = <0x0f100000 0x300000>;
> + interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
> + gpio-controller;
> + #gpio-cells = <2>;
> + interrupt-controller;
> + #interrupt-cells = <2>;
> + gpio-ranges = <&tlmm 0 0 203>;
> + serial-pins {
> + pins = "gpio18", "gpio19";
> + function = "qup3";
> + drive-strength = <8>;
> + bias-disable;
> + };
> + };
> +
> +...
> --
> 2.26.2
>