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-* Hisilicon Hi3798CV200 specific extensions to the Synopsys Designware Mobile
- Storage Host Controller
-
-Read synopsys-dw-mshc.txt for more details
-
-The Synopsys designware mobile storage host controller is used to interface
-a SoC with storage medium such as eMMC or SD/MMC cards. This file documents
-differences between the core Synopsys dw mshc controller properties described
-by synopsys-dw-mshc.txt and the properties used by the Hisilicon Hi3798CV200
-specific extensions to the Synopsys Designware Mobile Storage Host Controller.
-
-Required Properties:
-- compatible: Should contain "hisilicon,hi3798cv200-dw-mshc".
-- clocks: A list of phandle + clock-specifier pairs for the clocks listed
- in clock-names.
-- clock-names: Should contain the following:
- "ciu" - The ciu clock described in synopsys-dw-mshc.txt.
- "biu" - The biu clock described in synopsys-dw-mshc.txt.
- "ciu-sample" - Hi3798CV200 extended phase clock for ciu sampling.
- "ciu-drive" - Hi3798CV200 extended phase clock for ciu driving.
-
-Example:
-
- emmc: mmc@9830000 {
- compatible = "hisilicon,hi3798cv200-dw-mshc";
- reg = <0x9830000 0x10000>;
- interrupts = <GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&crg HISTB_MMC_CIU_CLK>,
- <&crg HISTB_MMC_BIU_CLK>,
- <&crg HISTB_MMC_SAMPLE_CLK>,
- <&crg HISTB_MMC_DRV_CLK>;
- clock-names = "ciu", "biu", "ciu-sample", "ciu-drive";
- fifo-depth = <256>;
- clock-frequency = <200000000>;
- cap-mmc-highspeed;
- mmc-ddr-1_8v;
- mmc-hs200-1_8v;
- non-removable;
- bus-width = <8>;
- };
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+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mmc/hisilicon,hi3798cv200-dw-mshc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Hisilicon Hi3798CV200 SoC specific extensions to the Synopsys DWMMC controller
+
+maintainers:
+ - Yang Xiwen <forbidden405@outlook.com>
+
+properties:
+ compatible:
+ enum:
+ - hisilicon,hi3798cv200-dw-mshc
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ items:
+ - description: bus interface unit clock
+ - description: card interface unit clock
+ - description: card input sample phase clock
+ - description: controller output drive phase clock
+
+ clock-names:
+ items:
+ - const: ciu
+ - const: biu
+ - const: ciu-sample
+ - const: ciu-drive
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - clock-names
+
+allOf:
+ - $ref: synopsys-dw-mshc-common.yaml#
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/histb-clock.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+ mmc@9830000 {
+ compatible = "hisilicon,hi3798cv200-dw-mshc";
+ reg = <0x9830000 0x10000>;
+ interrupts = <GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&crg HISTB_MMC_CIU_CLK>,
+ <&crg HISTB_MMC_BIU_CLK>,
+ <&crg HISTB_MMC_SAMPLE_CLK>,
+ <&crg HISTB_MMC_DRV_CLK>;
+ clock-names = "ciu", "biu", "ciu-sample", "ciu-drive";
+ resets = <&crg 0xa0 4>;
+ reset-names = "reset";
+ pinctrl-names = "default";
+ pinctrl-0 = <&emmc_pins_1 &emmc_pins_2
+ &emmc_pins_3 &emmc_pins_4>;
+ fifo-depth = <256>;
+ clock-frequency = <200000000>;
+ cap-mmc-highspeed;
+ mmc-ddr-1_8v;
+ mmc-hs200-1_8v;
+ non-removable;
+ bus-width = <8>;
+ };