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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#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Qualcomm Technologies, Inc. MSM8226 TLMM block
maintainers:
- Bjorn Andersson <bjorn.andersson@linaro.org>
description: |
This binding describes the Top Level Mode Multiplexer block found in the
MSM8226 platform.
properties:
compatible:
const: qcom,msm8226-pinctrl
reg:
description: Specifies the base address and size of the TLMM register space
maxItems: 1
interrupts:
description: Specifies the TLMM summary IRQ
maxItems: 1
interrupt-controller: true
'#interrupt-cells':
description: Specifies the PIN numbers and Flags, as defined in
include/dt-bindings/interrupt-controller/irq.h
const: 2
gpio-controller: true
'#gpio-cells':
description: Specifying the pin number and flags, as defined in
include/dt-bindings/gpio/gpio.h
const: 2
gpio-ranges:
maxItems: 1
gpio-reserved-ranges:
maxItems: 1
#PIN CONFIGURATION NODES
patternProperties:
'-pins$':
type: object
description:
Pinctrl node's client devices use subnodes for desired pin configuration.
Client device subnodes use below standard properties.
$ref: "/schemas/pinctrl/pincfg-node.yaml"
properties:
pins:
description:
List of gpio pins affected by the properties specified in this
subnode.
items:
oneOf:
- pattern: "^gpio([0-9]|[1-9][0-9]|1[0-1][0-6])$"
- 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_i2c5, blsp_spi1,
blsp_spi2, blsp_spi3, blsp_spi5, blsp_uart1, blsp_uart2,
blsp_uart3, blsp_uart5, cam_mclk0, cam_mclk1, wlan ]
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
allOf:
- $ref: "pinctrl.yaml#"
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>
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-pins {
pins = "gpio8", "gpio9";
function = "blsp_uart3";
drive-strength = <8>;
bias-disable;
};
};
|
