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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,msm8226-pinctrl.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Qualcomm Technologies, Inc. MSM8226 TLMM block
maintainers:
- Bjorn Andersson <bjorn.andersson@linaro.org>
description:
Top Level Mode Multiplexer pin controller in Qualcomm MSM8226 SoC.
properties:
compatible:
const: qcom,msm8226-pinctrl
reg:
description: Specifies the base address and size of the TLMM register space
maxItems: 1
interrupts:
maxItems: 1
interrupt-controller: true
"#interrupt-cells": true
gpio-controller: true
"#gpio-cells": true
gpio-ranges: true
gpio-reserved-ranges:
maxItems: 1
patternProperties:
"-state$":
oneOf:
- $ref: "#/$defs/qcom-msm8226-tlmm-state"
- patternProperties:
"-pins$":
$ref: "#/$defs/qcom-msm8226-tlmm-state"
additionalProperties: false
$defs:
qcom-msm8226-tlmm-state:
type: object
description:
Pinctrl node's client devices use subnodes for desired pin configuration.
Client device subnodes use below standard properties.
$ref: qcom,tlmm-common.yaml#/$defs/qcom-tlmm-state
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]|10[0-9]|11[0-6])$"
- 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: [ gpio, cci_i2c0, blsp_uim1, blsp_uim2, blsp_uim3, blsp_uim5,
blsp_i2c1, blsp_i2c2, blsp_i2c3, blsp_i2c4, blsp_i2c5, blsp_spi1,
blsp_spi2, blsp_spi3, blsp_spi5, blsp_uart1, blsp_uart2,
blsp_uart3, blsp_uart4, blsp_uart5, cam_mclk0, cam_mclk1,
gp0_clk, gp1_clk, sdc3, wlan ]
bias-pull-down: true
bias-pull-up: true
bias-disable: true
drive-strength: true
input-enable: true
output-high: true
output-low: true
required:
- pins
additionalProperties: false
allOf:
- $ref: /schemas/pinctrl/qcom,tlmm-common.yaml#
required:
- compatible
- reg
additionalProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/arm-gic.h>
msmgpio: pinctrl@fd510000 {
compatible = "qcom,msm8226-pinctrl";
reg = <0xfd510000 0x4000>;
gpio-controller;
#gpio-cells = <2>;
gpio-ranges = <&msmgpio 0 0 117>;
interrupt-controller;
#interrupt-cells = <2>;
interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
serial-state {
pins = "gpio8", "gpio9";
function = "blsp_uart3";
drive-strength = <8>;
bias-disable;
};
};
|
