mirror_ubuntu-kernels/Documentation/devicetree/bindings/pinctrl/qcom,msm8974-pinctrl.yaml

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4.9 KiB
YAML

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/pinctrl/qcom,msm8974-pinctrl.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Qualcomm MSM8974 TLMM pin controller
maintainers:
- Bjorn Andersson <andersson@kernel.org>
- Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
description:
Top Level Mode Multiplexer pin controller in Qualcomm MSM8974 SoC.
properties:
compatible:
const: qcom,msm8974-pinctrl
reg:
maxItems: 1
interrupts:
maxItems: 1
gpio-reserved-ranges:
minItems: 1
maxItems: 73
gpio-line-names:
maxItems: 146
patternProperties:
"-state$":
oneOf:
- $ref: "#/$defs/qcom-msm8974-tlmm-state"
- patternProperties:
"-pins$":
$ref: "#/$defs/qcom-msm8974-tlmm-state"
additionalProperties: false
$defs:
qcom-msm8974-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
unevaluatedProperties: false
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[0-3][0-9]|14[0-5])$"
- enum: [ hsic_data, hsic_strobe, 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.
enum: [ gpio, cci_i2c0, cci_i2c1, uim1, uim2, uim_batt_alarm,
blsp_uim1, blsp_uart1, blsp_i2c1, blsp_spi1, blsp_uim2,
blsp_uart2, blsp_i2c2, blsp_spi2, blsp_uim3, blsp_uart3,
blsp_i2c3, blsp_spi3, blsp_uim4, blsp_uart4, blsp_i2c4,
blsp_spi4, blsp_uim5, blsp_uart5, blsp_i2c5, blsp_spi5,
blsp_uim6, blsp_uart6, blsp_i2c6, blsp_spi6, blsp_uim7,
blsp_uart7, blsp_i2c7, blsp_spi7, blsp_uim8, blsp_uart8,
blsp_i2c8, blsp_spi8, blsp_uim9, blsp_uart9, blsp_i2c9,
blsp_spi9, blsp_uim10, blsp_uart10, blsp_i2c10, blsp_spi10,
blsp_uim11, blsp_uart11, blsp_i2c11, blsp_spi11, blsp_uim12,
blsp_uart12, blsp_i2c12, blsp_spi12, blsp_spi1_cs1,
blsp_spi2_cs2, blsp_spi_cs3, blsp_spi2_cs1, blsp_spi2_cs2
blsp_spi2_cs3, blsp_spi10_cs1, blsp_spi10_cs2, blsp_spi10_cs3,
sdc3, sdc4, gcc_gp_clk1, gcc_gp_clk2, gcc_gp_clk3, cci_timer0,
cci_timer1, cci_timer2, cci_timer3, cci_async_in0,
cci_async_in1, cci_async_in2, cam_mckl0, cam_mclk1, cam_mclk2,
cam_mclk3, mdp_vsync, hdmi_cec, hdmi_ddc, hdmi_hpd, edp_hpd,
gp_pdm0, gp_pdm1, gp_pdm2, gp_pdm3, gp0_clk, gp1_clk, gp_mn,
tsif1, tsif2, hsic, grfc, audio_ref_clk, qua_mi2s, pri_mi2s,
spkr_mi2s, ter_mi2s, sec_mi2s, bt, fm, wlan, slimbus, hsic_ctl ]
required:
- pins
allOf:
- if:
properties:
pins:
contains:
enum:
- hsic_data
- hsic_strobe
required:
- pins
then:
properties:
bias-pull-down: false
bias-pull-up: false
bias-disable: false
drive-strength: false
input-enable: false
output-high: false
output-low: false
allOf:
- $ref: /schemas/pinctrl/qcom,tlmm-common.yaml#
required:
- compatible
- reg
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/arm-gic.h>
tlmm: pinctrl@fd510000 {
compatible = "qcom,msm8974-pinctrl";
reg = <0xfd510000 0x4000>;
gpio-controller;
gpio-ranges = <&tlmm 0 0 146>;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <2>;
interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
sdc1-off-state {
clk-pins {
pins = "sdc1_clk";
bias-disable;
drive-strength = <2>;
};
cmd-pins {
pins = "sdc1_cmd";
bias-pull-up;
drive-strength = <2>;
};
data-pins {
pins = "sdc1_data";
bias-pull-up;
drive-strength = <2>;
};
};
blsp2-uart1-sleep-state {
pins = "gpio41", "gpio42", "gpio43", "gpio44";
function = "gpio";
drive-strength = <2>;
bias-pull-down;
};
hsic-state {
pins = "hsic_data", "hsic_strobe";
};
};