linux-zen-server/Documentation/devicetree/bindings/mmc/samsung,s3c6410-sdhci.yaml

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2023-08-30 17:53:23 +02:00
# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/mmc/samsung,s3c6410-sdhci.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Samsung SoC SDHCI Controller
maintainers:
- Jaehoon Chung <jh80.chung@samsung.com>
- Krzysztof Kozlowski <krzk@kernel.org>
properties:
compatible:
enum:
- samsung,s3c6410-sdhci
- samsung,exynos4210-sdhci
reg:
maxItems: 1
clocks:
minItems: 2
maxItems: 5
clock-names:
minItems: 2
items:
- const: hsmmc
- pattern: "^mmc_busclk.[0-3]$"
- pattern: "^mmc_busclk.[0-3]$"
- pattern: "^mmc_busclk.[0-3]$"
- pattern: "^mmc_busclk.[0-3]$"
interrupts:
maxItems: 1
required:
- compatible
- reg
- interrupts
- clocks
- clock-names
allOf:
- $ref: mmc-controller.yaml#
- if:
properties:
compatible:
contains:
enum:
- samsung,exynos4210-sdhci
then:
properties:
clocks:
maxItems: 2
clock-names:
items:
- const: hsmmc
- const: mmc_busclk.2
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/clock/exynos4.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
mmc@12510000 {
compatible = "samsung,exynos4210-sdhci";
reg = <0x12510000 0x100>;
interrupts = <GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&clock CLK_SDMMC0>, <&clock CLK_SCLK_MMC0>;
clock-names = "hsmmc", "mmc_busclk.2";
bus-width = <4>;
cd-gpios = <&gpx3 4 GPIO_ACTIVE_LOW>;
pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus4 &sdhci2_cd>;
pinctrl-names = "default";
vmmc-supply = <&ldo21_reg>;
};