blob: ff743a2ad2c95d2f57c9979846c9ec1707856988 [file] [log] [blame]
# Copyright (c) 2024 Espressif Systems (Shanghai) Co., Ltd.
# SPDX-License-Identifier: Apache-2.0
description: Espressif ESP32 SDHC controller slot
compatible: "espressif,esp32-sdhc-slot"
include: [sdhc.yaml, pinctrl-device.yaml]
properties:
reg:
required: true
pinctrl-0:
required: true
pinctrl-names:
required: true
bus-width:
type: int
enum:
- 1
- 4
default: 4
description: SD bus width in bits
clk-pin:
type: int
description: |
Clock pin for ESP32 and SoC models with fixed pins for SDIO.
For devices with GPIO matrix support, configuration shall be done
using pin control (pinctrl-0 field).
cmd-pin:
type: int
description: |
Command pin for ESP32 and SoC models with fixed pins for SDIO.
For devices with GPIO matrix support, configuration shall be done
using pin control (pinctrl-0 field).
d0-pin:
type: int
description: |
Data 0 pin for ESP32 and SoC models with fixed pins for SDIO.
For devices with GPIO matrix support, configuration shall be done
using pin control (pinctrl-0 field).
d1-pin:
type: int
description: |
Data 1 pin for ESP32 and SoC models with fixed pins for SDIO.
For devices with GPIO matrix support, configuration shall be done
using pin control (pinctrl-0 field).
d2-pin:
type: int
description: |
Data 2 pin for ESP32 and SoC models with fixed pins for SDIO.
For devices with GPIO matrix support, configuration shall be done
using pin control (pinctrl-0 field).
d3-pin:
type: int
description: |
Data 3 pin for ESP32 and SoC models with fixed pins for SDIO.
For devices with GPIO matrix support, configuration shall be done
using pin control (pinctrl-0 field).
pwr-gpios:
type: phandle-array
description: |
Power pin
This is a configurable pin to deliver power supply to the SD card.
It is configured as a GPIO in order to execute power toggles and
reinitialize the SD slave when necessary.