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Message-ID: <20200429213453.GA32114@bogus>
Date: Wed, 29 Apr 2020 16:34:53 -0500
From: Rob Herring <robh@...nel.org>
To: Bjorn Andersson <bjorn.andersson@...aro.org>
Cc: Linus Walleij <linus.walleij@...aro.org>,
linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
linux-gpio@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH 1/2] dt-bindings: pinctrl: qcom: Add sm8250 pinctrl
bindings
On Thu, Apr 16, 2020 at 11:19:06PM -0700, Bjorn Andersson wrote:
> Add device tree binding Documentation details for Qualcomm SM8250
> pinctrl driver.
>
> Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
> ---
> .../bindings/pinctrl/qcom,sm8250-pinctrl.yaml | 147 ++++++++++++++++++
> 1 file changed, 147 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/pinctrl/qcom,sm8250-pinctrl.yaml
>
> diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,sm8250-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/qcom,sm8250-pinctrl.yaml
> new file mode 100644
> index 000000000000..6dc3b52f47cd
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pinctrl/qcom,sm8250-pinctrl.yaml
> @@ -0,0 +1,147 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/pinctrl/qcom,sm8250-pinctrl.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm Technologies, Inc. SM8250 TLMM block
> +
> +maintainers:
> + - Bjorn Andersson <bjorn.andersson@...aro.org>
> +
> +description: |
> + This binding describes the Top Level Mode Multiplexer block found in the
> + SM8250 platform.
> +
> +properties:
> + compatible:
> + const: qcom,sm8250-pinctrl
> +
> + reg:
> + minItems: 3
> + maxItems: 3
> +
> + reg-names:
> + items:
> + - const: "west"
> + - const: "south"
> + - const: "north"
> +
> + 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:
> + maxItems: 1
> +
> + wakeup-parent:
> + maxItems: 1
> +
> +#PIN CONFIGURATION NODES
> +patternProperties:
> + '^.*$':
> + if:
> + type: object
> + then:
Needs a $ref to the standard properties.
Would be good to show a child node in the example too. (And try having
an error in a standard property type to verify you get an error).
> + properties:
> + pins:
> + description:
> + List of gpio pins affected by the properties specified in this
> + subnode.
> + items:
> + oneOf:
> + - pattern: "^gpio([0-9]|[1-9][0-9]|1[0-7][0-9])$"
> + - 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: [ aoss_cti, atest, audio_ref, 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_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, pci_e0, pci_e1,
> + pci_e2, phase_flag, pll_bist, pll_bypassnl, pll_clk, pll_reset,
> + pri_mi2s, prng_rosc, qdss_cti, qdss_gpio, 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, sp_cmu, tgu_ch0, tgu_ch1,
> + tgu_ch2, tgu_ch3, tsense_pwm1, tsense_pwm2, tsif0_clk, tsif0_data,
> + tsif0_en, tsif0_error, tsif0_sync, tsif1_clk, tsif1_data, tsif1_en,
> + tsif1_error, tsif1_sync, usb2phy_ac, usb_phy, 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
> + - reg-names
> + - interrupts
> + - interrupt-controller
> + - '#interrupt-cells'
> + - gpio-controller
> + - '#gpio-cells'
> + - gpio-ranges
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/interrupt-controller/arm-gic.h>
> + pinctrl@...0000 {
> + compatible = "qcom,sm8250-pinctrl";
> + reg = <0x0f100000 0x300000>,
> + <0x0f500000 0x300000>,
> + <0x0f900000 0x300000>;
> + reg-names = "west", "south", "north";
> + interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
> + gpio-controller;
> + #gpio-cells = <2>;
> + interrupt-controller;
> + #interrupt-cells = <2>;
> + gpio-ranges = <&tlmm 0 0 180>;
> + wakeup-parent = <&pdc>;
> + };
> --
> 2.24.0
>
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