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-* Renesas Multi Media Card Interface (MMCIF) Controller
-
-This file documents differences between the core properties in mmc.txt
-and the properties used by the MMCIF device.
-
-
-Required properties:
-
-- compatible: should be "renesas,mmcif-<soctype>", "renesas,sh-mmcif" as a
- fallback. Examples with <soctype> are:
- - "renesas,mmcif-r7s72100" for the MMCIF found in r7s72100 SoCs
- - "renesas,mmcif-r8a73a4" for the MMCIF found in r8a73a4 SoCs
- - "renesas,mmcif-r8a7740" for the MMCIF found in r8a7740 SoCs
- - "renesas,mmcif-r8a7742" for the MMCIF found in r8a7742 SoCs
- - "renesas,mmcif-r8a7743" for the MMCIF found in r8a7743 SoCs
- - "renesas,mmcif-r8a7744" for the MMCIF found in r8a7744 SoCs
- - "renesas,mmcif-r8a7745" for the MMCIF found in r8a7745 SoCs
- - "renesas,mmcif-r8a7778" for the MMCIF found in r8a7778 SoCs
- - "renesas,mmcif-r8a7790" for the MMCIF found in r8a7790 SoCs
- - "renesas,mmcif-r8a7791" for the MMCIF found in r8a7791 SoCs
- - "renesas,mmcif-r8a7793" for the MMCIF found in r8a7793 SoCs
- - "renesas,mmcif-r8a7794" for the MMCIF found in r8a7794 SoCs
- - "renesas,mmcif-sh73a0" for the MMCIF found in sh73a0 SoCs
-
-- interrupts: Some SoCs have only 1 shared interrupt, while others have either
- 2 or 3 individual interrupts (error, int, card detect). Below is the number
- of interrupts for each SoC:
- 1: r8a73a4, r8a7742, r8a7743, r8a7744, r8a7745, r8a7778, r8a7790, r8a7791,
- r8a7793, r8a7794
- 2: r8a7740, sh73a0
- 3: r7s72100
-
-- clocks: reference to the functional clock
-
-- dmas: reference to the DMA channels, one per channel name listed in the
- dma-names property.
-- dma-names: must contain "tx" for the transmit DMA channel and "rx" for the
- receive DMA channel.
-- max-frequency: Maximum operating clock frequency, driver uses default clock
- frequency if it is not set.
-
-
-Example: R8A7790 (R-Car H2) MMCIF0
-
- mmcif0: mmc@ee200000 {
- compatible = "renesas,mmcif-r8a7790", "renesas,sh-mmcif";
- reg = <0 0xee200000 0 0x80>;
- interrupts = <0 169 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&mstp3_clks R8A7790_CLK_MMCIF0>;
- dmas = <&dmac0 0xd1>, <&dmac0 0xd2>;
- dma-names = "tx", "rx";
- max-frequency = <97500000>;
- };
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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mmc/renesas,mmcif.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Renesas Multi Media Card Interface (MMCIF) Controller
+
+maintainers:
+ - Wolfram Sang <wsa+renesas@sang-engineering.com>
+
+allOf:
+ - $ref: "mmc-controller.yaml"
+
+properties:
+ compatible:
+ items:
+ - enum:
+ - renesas,mmcif-r7s72100 # RZ/A1H
+ - renesas,mmcif-r8a73a4 # R-Mobile APE6
+ - renesas,mmcif-r8a7740 # R-Mobile A1
+ - renesas,mmcif-r8a7742 # RZ/G1H
+ - renesas,mmcif-r8a7743 # RZ/G1M
+ - renesas,mmcif-r8a7744 # RZ/G1N
+ - renesas,mmcif-r8a7745 # RZ/G1E
+ - renesas,mmcif-r8a7778 # R-Car M1A
+ - renesas,mmcif-r8a7790 # R-Car H2
+ - renesas,mmcif-r8a7791 # R-Car M2-W
+ - renesas,mmcif-r8a7793 # R-Car M2-N
+ - renesas,mmcif-r8a7794 # R-Car E2
+ - renesas,mmcif-sh73a0 # SH-Mobile AG5
+ - const: renesas,sh-mmcif
+
+ reg:
+ maxItems: 1
+
+ interrupts: true
+
+ clocks:
+ maxItems: 1
+
+ power-domains:
+ maxItems: 1
+
+ resets:
+ maxItems: 1
+
+ dmas:
+ minItems: 2
+ maxItems: 4
+ description:
+ Must contain a list of pairs of references to DMA specifiers, one for
+ transmission, and one for reception.
+
+ dma-names:
+ minItems: 2
+ maxItems: 4
+ items:
+ enum:
+ - tx
+ - rx
+
+ max-frequency: true
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - power-domains
+
+if:
+ properties:
+ compatible:
+ contains:
+ const: renesas,mmcif-r7s72100
+then:
+ properties:
+ interrupts:
+ items:
+ - description: Error interrupt
+ - description: Normal operation interrupt
+ - description: Card detection interrupt
+else:
+ if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - renesas,mmcif-r8a7740
+ - renesas,mmcif-sh73a0
+ then:
+ properties:
+ interrupts:
+ items:
+ - description: Error interrupt
+ - description: Normal operation interrupt
+ else:
+ if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - renesas,mmcif-r8a73a4
+ - renesas,mmcif-r8a7778
+ then:
+ properties:
+ interrupts:
+ maxItems: 1
+ else:
+ properties:
+ interrupts:
+ maxItems: 1
+ required:
+ - resets
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/r8a7790-cpg-mssr.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/power/r8a7790-sysc.h>
+
+ mmcif0: mmc@ee200000 {
+ compatible = "renesas,mmcif-r8a7790", "renesas,sh-mmcif";
+ reg = <0xee200000 0x80>;
+ interrupts = <GIC_SPI 169 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&cpg CPG_MOD 315>;
+ power-domains = <&sysc R8A7790_PD_ALWAYS_ON>;
+ resets = <&cpg 315>;
+ dmas = <&dmac0 0xd1>, <&dmac0 0xd2>, <&dmac1 0xd1>, <&dmac1 0xd2>;
+ dma-names = "tx", "rx", "tx", "rx";
+ max-frequency = <97500000>;
+ };