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Message-ID: <YrUzFgB+PxYViH5L@builder.lan>
Date: Thu, 23 Jun 2022 22:44:22 -0500
From: Bjorn Andersson <bjorn.andersson@...aro.org>
To: Sricharan R <quic_srichara@...cinc.com>
Cc: agross@...nel.org, robh+dt@...nel.org,
krzysztof.kozlowski+dt@...aro.org, mturquette@...libre.com,
sboyd@...nel.org, linus.walleij@...aro.org,
catalin.marinas@....com, p.zabel@...gutronix.de,
quic_varada@...cinc.com, linux-arm-msm@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-clk@...r.kernel.org, linux-gpio@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH V2 4/8] dt-bindings: pinctrl: qcom: Add ipq5018 pinctrl
bindings
On Tue 21 Jun 11:11 CDT 2022, Sricharan R wrote:
> From: Varadarajan Narayanan <quic_varada@...cinc.com>
>
> Add device tree binding Documentation details for ipq5018
> pinctrl driver.
>
> Co-developed-by: Nitheesh Sekar <quic_nsekar@...cinc.com>
> Co-developed-by: Sricharan R <quic_srichara@...cinc.com>
> Signed-off-by: Sricharan R <quic_srichara@...cinc.com>
> Signed-off-by: Nitheesh Sekar <quic_nsekar@...cinc.com>
> Signed-off-by: Varadarajan Narayanan <quic_varada@...cinc.com>
> ---
> .../pinctrl/qcom,ipq5018-pinctrl.yaml | 145 ++++++++++++++++++
> 1 file changed, 145 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/pinctrl/qcom,ipq5018-pinctrl.yaml
>
> diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,ipq5018-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/qcom,ipq5018-pinctrl.yaml
> new file mode 100644
> index 000000000000..9b16c08bd127
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pinctrl/qcom,ipq5018-pinctrl.yaml
> @@ -0,0 +1,145 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/pinctrl/qcom,ipq5018-pinctrl.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm Technologies, Inc. IPQ5018 TLMM block
> +
> +maintainers:
> + - Varadarajan Narayanan <quic_varada@...cinc.com>
> + - Sricharan R <quic_srichara@...cinc.com>
> + - Nitheesh Sekar <quic_nsekar@...cinc.com>
> +
> +description: |
> + This binding describes the Top Level Mode Multiplexer block found in the
> + IPQ5018 platform.
> +
> +properties:
> + compatible:
> + const: qcom,ipq5018-pinctrl
qcom,ipq5018-tlmm please
> +
> + reg:
> + maxItems: 1
> +
> + interrupts:
> + description: Specifies the TLMM summary IRQ
> + maxItems: 1
Please rely on qcom,tlmm-common.yaml, in line with e.g.
qcom,sc8280xp-pinctrl.yaml.
> +
> + 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
> +
> +#PIN CONFIGURATION NODES
> +patternProperties:
> + '-pinmux$':
This will only allow describing properties directly in the state node,
not under subnodes. Please update according to e.g. sc8280xp
Also, please use the suffix "-state"
> + type: object
> + description:
> + Pinctrl node's client devices use subnodes for desired pin configuration.
> + Client device subnodes use below standard properties.
> + $ref: "/schemas/pinctrl/pincfg-node.yaml"
> +
> + properties:
> + pins:
> + description:
> + List of gpio pins affected by the properties specified in this
> + subnode.
> + items:
> + oneOf:
> + - pattern: "^gpio([1-9]|[1-7][0-9]|80)$"
According to the implementation you should only accept
"^gpio([1-9]|[1-3][0-9]|4[0-6]$"
> + minItems: 1
> + maxItems: 4
> +
> + 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_rxbclk, audio_rxd, audio_rxfsync,
> + audio_rxmclk, audio_txbclk, audio_txd, audio_txfsync, audio_txmclk,
> + blsp0_i2c, blsp0_spi, blsp0_uart0, blsp0_uart1, blsp1_i2c0,
> + blsp1_i2c1, blsp1_spi0, blsp1_spi1, blsp1_uart0, blsp1_uart1,
> + blsp1_uart2, blsp2_i2c0, blsp2_i2c1, blsp2_spi, blsp2_spi0,
> + blsp2_spi1, btss0, btss1, btss10, btss11, btss12, btss13, btss2,
> + btss3, btss4, btss5, btss6, btss7, btss8, btss9, burn0, burn1,
> + cri_trng, cri_trng0, cri_trng1, cxc_clk, cxc_data, dbg_out, eud_gpio,
> + gcc_plltest, gcc_tlmm, gpio, mac0, mac1, mdc, mdio, pcie0_clk,
> + pcie0_wake, pcie1_clk, pcie1_wake, pll_test, prng_rosc, pwm0, pwm1,
> + pwm2, pwm3, 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, qspi_clk, qspi_cs, qspi0, qspi1,
> + qspi2, qspi3, reset_out, sdc1_clk, sdc1_cmd, sdc10, sdc11, sdc12,
> + sdc13, wci0, wci1, wci2, wci3, wci4, wci5, wci6, wci7, wsa_swrm,
> + wsi_clk3, wsi_data3, wsis_reset, xfem0, xfem1, xfem2, xfem3, xfem4,
> + xfem5, xfem6, xfem7 ]
> +
> + 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@...0000 {
> + compatible = "qcom,ipq5018-pinctrl";
> + reg = <0x01000000 0x300000>;
> + interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
> + interrupt-controller;
> + #interrupt-cells = <2>;
> + gpio-controller;
> + #gpio-cells = <2>;
> + gpio-ranges = <&tlmm 0 80>;
I think this should be 47.
Regards,
Bjorn
> +
> + serial3-pinmux {
> + pins = "gpio44", "gpio45";
> + function = "blsp0_uart0";
> + drive-strength = <8>;
> + bias-pull-down;
> + };
> + };
> --
> 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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