[PATCH v2] dt-bindings: mmc: ti,da830-mmc: convert to DT schema

Charan Pedumuru
2025-10-11T08:52:29Z

Convert TI Highspeed MMC host controller binding to YAML format. Define
'clocks' and 'interrupts' properties to resolve errors identified by
'dt_check' and 'dtb_check'.

Signed-off-by: Charan Pedumuru <charan.pedumuru@gmail.com>
---
Changes in v2:
- Modified the commit message.
- Removed 'interrupts' from required properties following the old binding.
- Changed the maintainer for the binding to "Conor Dooley".
- Link to v1: https://lore.kernel.org/r/20250523-davinci-mmc-v1-1-ceebd8352d9c@gmail.com
---
.../devicetree/bindings/mmc/davinci_mmc.txt | 32 ------------
.../devicetree/bindings/mmc/ti,da830-mmc.yaml | 61 ++++++++++++++++++++++
2 files changed, 61 insertions(+), 32 deletions(-)

diff --git a/Documentation/devicetree/bindings/mmc/davinci_mmc.txt b/Documentation/devicetree/bindings/mmc/davinci_mmc.txt
deleted file mode 100644
index 516fb0143d4c21d1c8e44a8846d55ea5458d7b74..0000000000000000000000000000000000000000
--- a/Documentation/devicetree/bindings/mmc/davinci_mmc.txt
+++ /dev/null
@@ -1,32 +0,0 @@
-* TI Highspeed MMC host controller for DaVinci
-
-The Highspeed MMC Host Controller on TI DaVinci family
-provides an interface for MMC, SD and SDIO types of memory cards.
-
-This file documents the properties used by the davinci_mmc driver.
-
-Required properties:
-- compatible:
- Should be "ti,da830-mmc": for da830, da850, dm365
- Should be "ti,dm355-mmc": for dm355, dm644x
-
-Optional properties:
-- bus-width: Number of data lines, can be <1>, <4>, or <8>, default <1>
-- max-frequency: Maximum operating clock frequency, default 25MHz.
-- dmas: List of DMA specifiers with the controller specific format
- as described in the generic DMA client binding. A tx and rx
- specifier is required.
-- dma-names: RX and TX DMA request names. These strings correspond
- 1:1 with the DMA specifiers listed in dmas.
-
-Example:
-mmc0: mmc@1c40000 {
- compatible = "ti,da830-mmc",
- reg = <0x40000 0x1000>;
- interrupts = <16>;
- bus-width = <4>;
- max-frequency = <50000000>;
- dmas = <&edma 16
- &edma 17>;
- dma-names = "rx", "tx";
-};
diff --git a/Documentation/devicetree/bindings/mmc/ti,da830-mmc.yaml b/Documentation/devicetree/bindings/mmc/ti,da830-mmc.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..1a97c3e447fd10f14bfe0af9e22f9479304f0f26
--- /dev/null
+++ b/Documentation/devicetree/bindings/mmc/ti,da830-mmc.yaml
@@ -0,0 +1,61 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mmc/ti,da830-mmc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: TI Highspeed MMC host controller for DaVinci
+
+description:
+ The Highspeed MMC Host Controller on TI DaVinci family
+ provides an interface for MMC, SD and SDIO types of memory cards.
+
+allOf:
+ - $ref: mmc-controller.yaml
+
+maintainers:
+ - Conor Dooley <conor+dt@kernel.org>
+
+properties:
+ compatible:
+ enum:
+ - ti,da830-mmc
+ - ti,dm355-mmc
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 2
+
+ dmas:
+ maxItems: 2
+
+ dma-names:
+ items:
+ - const: rx
+ - const: tx
+
+required:
+ - compatible
+ - reg
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+ mmc@1c40000 {
+ compatible = "ti,da830-mmc";
+ reg = <0x40000 0x1000>;
+ interrupts = <16 IRQ_TYPE_LEVEL_HIGH>,
+ <17 IRQ_TYPE_LEVEL_HIGH>;
+ bus-width = <4>;
+ max-frequency = <50000000>;
+ dmas = <&edma 16>, <&edma 17>;
+ dma-names = "rx", "tx";
+ };
+...

---
base-commit: 7bac2c97af4078d7a627500c9bcdd5b033f97718
change-id: 20250523-davinci-mmc-c704440c3dd0

Best regards,
--
Charan Pedumuru <charan.pedumuru@gmail.com>