Commit cd40a1ff authored by Linus Walleij's avatar Linus Walleij
Browse files

Merge tag 'qcom-pinctrl-6.6' of...

Merge tag 'qcom-pinctrl-6.6' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-dt

 into devel

Qualcomm pinctrl changes for v6.6

1. Add support for the SM6115 and SM8350 LPASS (Low Power Audio
   SubSystem) TLMM pin controllers.

2. Add bindings for the Qualcomm PMC8180 and PMC8180C PMICs GPIO pin
   controllers.

Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parents cfdb2748 2422f74e
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@@ -54,6 +54,8 @@ properties:
          - qcom,pm8994-gpio
          - qcom,pm8998-gpio
          - qcom,pma8084-gpio
          - qcom,pmc8180-gpio
          - qcom,pmc8180c-gpio
          - qcom,pmi632-gpio
          - qcom,pmi8950-gpio
          - qcom,pmi8994-gpio
+143 −0
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/pinctrl/qcom,sm8350-lpass-lpi-pinctrl.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Qualcomm SM8350 SoC LPASS LPI TLMM

maintainers:
  - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
  - Srinivas Kandagatla <srinivas.kandagatla@linaro.org>

description:
  Top Level Mode Multiplexer pin controller in the Low Power Audio SubSystem
  (LPASS) Low Power Island (LPI) of Qualcomm SM8350 SoC.

properties:
  compatible:
    const: qcom,sm8350-lpass-lpi-pinctrl

  reg:
    items:
      - description: LPASS LPI TLMM Control and Status registers
      - description: LPASS LPI MCC registers

  clocks:
    items:
      - description: LPASS Core voting clock
      - description: LPASS Audio voting clock

  clock-names:
    items:
      - const: core
      - const: audio

  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

patternProperties:
  "-state$":
    oneOf:
      - $ref: "#/$defs/qcom-sm8350-lpass-state"
      - patternProperties:
          "-pins$":
            $ref: "#/$defs/qcom-sm8350-lpass-state"
        additionalProperties: false

$defs:
  qcom-sm8350-lpass-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:
          pattern: "^gpio([0-9]|1[0-9]|2[0-2])$"

      function:
        enum: [ dmic1_clk, dmic1_data, dmic2_clk, dmic2_data, dmic3_clk,
                dmic3_data, dmic4_clk, dmic4_data, ext_mclk1_a, ext_mclk1_b,
                ext_mclk1_c, ext_mclk1_d, ext_mclk1_e, gpio, i2s0_clk,
                i2s0_data, i2s0_ws, i2s1_clk, i2s1_data, i2s1_ws, i2s2_clk,
                i2s2_data, i2s2_ws, i2s3_clk, i2s3_data, i2s3_ws, i2s4_clk,
                i2s4_data, i2s4_ws, slimbus_clk, slimbus_data, swr_rx_clk,
                swr_rx_data, swr_tx_clk, swr_tx_data, wsa_swr_clk,
                wsa_swr_data, wsa2_swr_clk, wsa2_swr_data ]
        description:
          Specify the alternative function to be configured for the specified
          pins.

      drive-strength:
        enum: [2, 4, 6, 8, 10, 12, 14, 16]
        default: 2
        description:
          Selects the drive strength for the specified pins, in mA.

      slew-rate:
        enum: [0, 1, 2, 3]
        default: 0
        description: |
          0: No adjustments
          1: Higher Slew rate (faster edges)
          2: Lower Slew rate (slower edges)
          3: Reserved (No adjustments)

      bias-bus-hold: true
      bias-pull-down: true
      bias-pull-up: true
      bias-disable: true
      input-enable: true
      output-high: true
      output-low: true

    required:
      - pins
      - function

    additionalProperties: false

allOf:
  - $ref: pinctrl.yaml#

required:
  - compatible
  - reg
  - clocks
  - clock-names
  - gpio-controller
  - "#gpio-cells"
  - gpio-ranges

additionalProperties: false

examples:
  - |
    #include <dt-bindings/sound/qcom,q6afe.h>

    lpass_tlmm: pinctrl@33c0000 {
        compatible = "qcom,sm8350-lpass-lpi-pinctrl";
        reg = <0x033c0000 0x20000>,
              <0x03550000 0x10000>;

        clocks = <&q6afecc LPASS_HW_MACRO_VOTE LPASS_CLK_ATTRIBUTE_COUPLE_NO>,
                 <&q6afecc LPASS_HW_DCODEC_VOTE LPASS_CLK_ATTRIBUTE_COUPLE_NO>;
        clock-names = "core", "audio";

        gpio-controller;
        #gpio-cells = <2>;
        gpio-ranges = <&lpass_tlmm 0 0 15>;
    };
+10 −0
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@@ -86,6 +86,16 @@ config PINCTRL_SM8250_LPASS_LPI
	  Qualcomm Technologies Inc LPASS (Low Power Audio SubSystem) LPI
	  (Low Power Island) found on the Qualcomm Technologies Inc SM8250 platform.

config PINCTRL_SM8350_LPASS_LPI
	tristate "Qualcomm Technologies Inc SM8350 LPASS LPI pin controller driver"
	depends on ARM64 || COMPILE_TEST
	depends on PINCTRL_LPASS_LPI
	help
	  This is the pinctrl, pinmux, pinconf and gpiolib driver for the
	  Qualcomm Technologies Inc LPASS (Low Power Audio SubSystem) LPI
	  (Low Power Island) found on the Qualcomm Technologies Inc SM8350
	  platform.

config PINCTRL_SM8450_LPASS_LPI
	tristate "Qualcomm Technologies Inc SM8450 LPASS LPI pin controller driver"
	depends on ARM64 || COMPILE_TEST
+1 −0
Original line number Diff line number Diff line
@@ -53,6 +53,7 @@ obj-$(CONFIG_PINCTRL_SM8150) += pinctrl-sm8150.o
obj-$(CONFIG_PINCTRL_SM8250) += pinctrl-sm8250.o
obj-$(CONFIG_PINCTRL_SM8250_LPASS_LPI) += pinctrl-sm8250-lpass-lpi.o
obj-$(CONFIG_PINCTRL_SM8350) += pinctrl-sm8350.o
obj-$(CONFIG_PINCTRL_SM8350_LPASS_LPI) += pinctrl-sm8350-lpass-lpi.o
obj-$(CONFIG_PINCTRL_SM8450) += pinctrl-sm8450.o
obj-$(CONFIG_PINCTRL_SM8450_LPASS_LPI) += pinctrl-sm8450-lpass-lpi.o
obj-$(CONFIG_PINCTRL_SM8550) += pinctrl-sm8550.o
+167 −0
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// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (c) 2016-2019, The Linux Foundation. All rights reserved.
 * Copyright (c) 2020-2023 Linaro Ltd.
 */

#include <linux/gpio/driver.h>
#include <linux/module.h>
#include <linux/platform_device.h>

#include "pinctrl-lpass-lpi.h"

enum lpass_lpi_functions {
	LPI_MUX_dmic1_clk,
	LPI_MUX_dmic1_data,
	LPI_MUX_dmic2_clk,
	LPI_MUX_dmic2_data,
	LPI_MUX_dmic3_clk,
	LPI_MUX_dmic3_data,
	LPI_MUX_i2s1_clk,
	LPI_MUX_i2s1_data,
	LPI_MUX_i2s1_ws,
	LPI_MUX_i2s2_clk,
	LPI_MUX_i2s2_data,
	LPI_MUX_i2s2_ws,
	LPI_MUX_qua_mi2s_data,
	LPI_MUX_qua_mi2s_sclk,
	LPI_MUX_qua_mi2s_ws,
	LPI_MUX_swr_rx_clk,
	LPI_MUX_swr_rx_data,
	LPI_MUX_swr_tx_clk,
	LPI_MUX_swr_tx_data,
	LPI_MUX_wsa_swr_clk,
	LPI_MUX_wsa_swr_data,
	LPI_MUX_gpio,
	LPI_MUX__,
};

static int gpio0_pins[] = { 0 };
static int gpio1_pins[] = { 1 };
static int gpio2_pins[] = { 2 };
static int gpio3_pins[] = { 3 };
static int gpio4_pins[] = { 4 };
static int gpio5_pins[] = { 5 };
static int gpio6_pins[] = { 6 };
static int gpio7_pins[] = { 7 };
static int gpio8_pins[] = { 8 };
static int gpio9_pins[] = { 9 };
static int gpio10_pins[] = { 10 };
static int gpio11_pins[] = { 11 };
static int gpio12_pins[] = { 12 };
static int gpio13_pins[] = { 13 };
static int gpio14_pins[] = { 14 };

static const struct pinctrl_pin_desc sm8350_lpi_pins[] = {
	PINCTRL_PIN(0, "gpio0"),
	PINCTRL_PIN(1, "gpio1"),
	PINCTRL_PIN(2, "gpio2"),
	PINCTRL_PIN(3, "gpio3"),
	PINCTRL_PIN(4, "gpio4"),
	PINCTRL_PIN(5, "gpio5"),
	PINCTRL_PIN(6, "gpio6"),
	PINCTRL_PIN(7, "gpio7"),
	PINCTRL_PIN(8, "gpio8"),
	PINCTRL_PIN(9, "gpio9"),
	PINCTRL_PIN(10, "gpio10"),
	PINCTRL_PIN(11, "gpio11"),
	PINCTRL_PIN(12, "gpio12"),
	PINCTRL_PIN(13, "gpio13"),
	PINCTRL_PIN(14, "gpio14"),
};

static const char * const swr_tx_clk_groups[] = { "gpio0" };
static const char * const swr_tx_data_groups[] = { "gpio1", "gpio2", "gpio5", "gpio14" };
static const char * const swr_rx_clk_groups[] = { "gpio3" };
static const char * const swr_rx_data_groups[] = { "gpio4", "gpio5" };
static const char * const dmic1_clk_groups[] = { "gpio6" };
static const char * const dmic1_data_groups[] = { "gpio7" };
static const char * const dmic2_clk_groups[] = { "gpio8" };
static const char * const dmic2_data_groups[] = { "gpio9" };
static const char * const i2s2_clk_groups[] = { "gpio10" };
static const char * const i2s2_ws_groups[] = { "gpio11" };
static const char * const dmic3_clk_groups[] = { "gpio12" };
static const char * const dmic3_data_groups[] = { "gpio13" };
static const char * const qua_mi2s_sclk_groups[] = { "gpio0" };
static const char * const qua_mi2s_ws_groups[] = { "gpio1" };
static const char * const qua_mi2s_data_groups[] = { "gpio2", "gpio3", "gpio4" };
static const char * const i2s1_clk_groups[] = { "gpio6" };
static const char * const i2s1_ws_groups[] = { "gpio7" };
static const char * const i2s1_data_groups[] = { "gpio8", "gpio9" };
static const char * const wsa_swr_clk_groups[] = { "gpio10" };
static const char * const wsa_swr_data_groups[] = { "gpio11" };
static const char * const i2s2_data_groups[] = { "gpio12", "gpio12" };

static const struct lpi_pingroup sm8350_groups[] = {
	LPI_PINGROUP(0, 0, swr_tx_clk, qua_mi2s_sclk, _, _),
	LPI_PINGROUP(1, 2, swr_tx_data, qua_mi2s_ws, _, _),
	LPI_PINGROUP(2, 4, swr_tx_data, qua_mi2s_data, _, _),
	LPI_PINGROUP(3, 8, swr_rx_clk, qua_mi2s_data, _, _),
	LPI_PINGROUP(4, 10, swr_rx_data, qua_mi2s_data, _, _),
	LPI_PINGROUP(5, 12, swr_tx_data, swr_rx_data, _, _),
	LPI_PINGROUP(6, LPI_NO_SLEW, dmic1_clk, i2s1_clk, _,  _),
	LPI_PINGROUP(7, LPI_NO_SLEW, dmic1_data, i2s1_ws, _, _),
	LPI_PINGROUP(8, LPI_NO_SLEW, dmic2_clk, i2s1_data, _, _),
	LPI_PINGROUP(9, LPI_NO_SLEW, dmic2_data, i2s1_data, _, _),
	LPI_PINGROUP(10, 16, i2s2_clk, wsa_swr_clk, _, _),
	LPI_PINGROUP(11, 18, i2s2_ws, wsa_swr_data, _, _),
	LPI_PINGROUP(12, LPI_NO_SLEW, dmic3_clk, i2s2_data, _, _),
	LPI_PINGROUP(13, LPI_NO_SLEW, dmic3_data, i2s2_data, _, _),
	LPI_PINGROUP(14, 6, swr_tx_data, _, _, _),
};

static const struct lpi_function sm8350_functions[] = {
	LPI_FUNCTION(dmic1_clk),
	LPI_FUNCTION(dmic1_data),
	LPI_FUNCTION(dmic2_clk),
	LPI_FUNCTION(dmic2_data),
	LPI_FUNCTION(dmic3_clk),
	LPI_FUNCTION(dmic3_data),
	LPI_FUNCTION(i2s1_clk),
	LPI_FUNCTION(i2s1_data),
	LPI_FUNCTION(i2s1_ws),
	LPI_FUNCTION(i2s2_clk),
	LPI_FUNCTION(i2s2_data),
	LPI_FUNCTION(i2s2_ws),
	LPI_FUNCTION(qua_mi2s_data),
	LPI_FUNCTION(qua_mi2s_sclk),
	LPI_FUNCTION(qua_mi2s_ws),
	LPI_FUNCTION(swr_rx_clk),
	LPI_FUNCTION(swr_rx_data),
	LPI_FUNCTION(swr_tx_clk),
	LPI_FUNCTION(swr_tx_data),
	LPI_FUNCTION(wsa_swr_clk),
	LPI_FUNCTION(wsa_swr_data),
};

static const struct lpi_pinctrl_variant_data sm8350_lpi_data = {
	.pins = sm8350_lpi_pins,
	.npins = ARRAY_SIZE(sm8350_lpi_pins),
	.groups = sm8350_groups,
	.ngroups = ARRAY_SIZE(sm8350_groups),
	.functions = sm8350_functions,
	.nfunctions = ARRAY_SIZE(sm8350_functions),
};

static const struct of_device_id lpi_pinctrl_of_match[] = {
	{
	       .compatible = "qcom,sm8350-lpass-lpi-pinctrl",
	       .data = &sm8350_lpi_data,
	},
	{ }
};
MODULE_DEVICE_TABLE(of, lpi_pinctrl_of_match);

static struct platform_driver lpi_pinctrl_driver = {
	.driver = {
		   .name = "qcom-sm8350-lpass-lpi-pinctrl",
		   .of_match_table = lpi_pinctrl_of_match,
	},
	.probe = lpi_pinctrl_probe,
	.remove = lpi_pinctrl_remove,
};
module_platform_driver(lpi_pinctrl_driver);

MODULE_AUTHOR("Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>");
MODULE_DESCRIPTION("QTI SM8350 LPI GPIO pin control driver");
MODULE_LICENSE("GPL");