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Message-Id: <20241128-topic-amlogic-arm32-upstream-bindings-fixes-convert-meson-mx-sdio-v4-5-11d9f9200a59@linaro.org>
Date: Thu, 28 Nov 2024 16:16:45 +0100
From: Neil Armstrong <neil.armstrong@...aro.org>
To: Ulf Hansson <ulf.hansson@...aro.org>, Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>, Kevin Hilman <khilman@...libre.com>,
Jerome Brunet <jbrunet@...libre.com>,
Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
Maxime Ripard <mripard@...nel.org>
Cc: linux-mmc@...r.kernel.org, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-amlogic@...ts.infradead.org,
linux-kernel@...r.kernel.org, Neil Armstrong <neil.armstrong@...aro.org>
Subject: [PATCH v4 5/5] dt-bindings: mmc: convert amlogic,meson-mx-sdio.txt
to dtschema
Convert the Amlogic Meson6, Meson8 and Meson8b SDIO/MMC controller
bindings to dt-schema.
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Reviewed-by: Rob Herring (Arm) <robh@...nel.org>
Signed-off-by: Neil Armstrong <neil.armstrong@...aro.org>
---
.../bindings/mmc/amlogic,meson-mx-sdio.txt | 54 -------------
.../bindings/mmc/amlogic,meson-mx-sdio.yaml | 94 ++++++++++++++++++++++
2 files changed, 94 insertions(+), 54 deletions(-)
diff --git a/Documentation/devicetree/bindings/mmc/amlogic,meson-mx-sdio.txt b/Documentation/devicetree/bindings/mmc/amlogic,meson-mx-sdio.txt
deleted file mode 100644
index 8765c605e6bc761db2923ad748b5bb70d40ea830..0000000000000000000000000000000000000000
--- a/Documentation/devicetree/bindings/mmc/amlogic,meson-mx-sdio.txt
+++ /dev/null
@@ -1,54 +0,0 @@
-* Amlogic Meson6, Meson8 and Meson8b SDIO/MMC controller
-
-The highspeed MMC host controller on Amlogic SoCs provides an interface
-for MMC, SD, SDIO and SDHC types of memory cards.
-
-Supported maximum speeds are the ones of the eMMC standard 4.41 as well
-as the speed of SD standard 2.0.
-
-The hardware provides an internal "mux" which allows up to three slots
-to be controlled. Only one slot can be accessed at a time.
-
-Required properties:
- - compatible : must be one of
- - "amlogic,meson8-sdio"
- - "amlogic,meson8b-sdio"
- along with the generic "amlogic,meson-mx-sdio"
- - reg : mmc controller base registers
- - interrupts : mmc controller interrupt
- - #address-cells : must be 1
- - size-cells : must be 0
- - clocks : phandle to clock providers
- - clock-names : must contain "core" and "clkin"
-
-Required child nodes:
-A node for each slot provided by the MMC controller is required.
-NOTE: due to a driver limitation currently only one slot (= child node)
- is supported!
-
-Required properties on each child node (= slot):
- - compatible : must be "mmc-slot" (see mmc.txt within this directory)
- - reg : the slot (or "port") ID
-
-Optional properties on each child node (= slot):
- - bus-width : must be 1 or 4 (8-bit bus is not supported)
- - for cd and all other additional generic mmc parameters
- please refer to mmc.txt within this directory
-
-Examples:
- mmc@...08c20 {
- compatible = "amlogic,meson8-sdio", "amlogic,meson-mx-sdio";
- reg = <0xc1108c20 0x20>;
- interrupts = <0 28 1>;
- #address-cells = <1>;
- #size-cells = <0>;
- clocks = <&clkc CLKID_SDIO>, <&clkc CLKID_CLK81>;
- clock-names = "core", "clkin";
-
- slot@1 {
- compatible = "mmc-slot";
- reg = <1>;
-
- bus-width = <4>;
- };
- };
diff --git a/Documentation/devicetree/bindings/mmc/amlogic,meson-mx-sdio.yaml b/Documentation/devicetree/bindings/mmc/amlogic,meson-mx-sdio.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..022682a977c6d347c36279f958dcd6f53d385b71
--- /dev/null
+++ b/Documentation/devicetree/bindings/mmc/amlogic,meson-mx-sdio.yaml
@@ -0,0 +1,94 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mmc/amlogic,meson-mx-sdio.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Amlogic Meson6, Meson8 and Meson8b SDIO/MMC controller
+
+description: |
+ The highspeed MMC host controller on Amlogic SoCs provides an interface
+ for MMC, SD, SDIO and SDHC types of memory cards.
+
+ Supported maximum speeds are the ones of the eMMC standard 4.41 as well
+ as the speed of SD standard 2.0.
+
+ The hardware provides an internal "mux" which allows up to three slots
+ to be controlled. Only one slot can be accessed at a time.
+
+maintainers:
+ - Neil Armstrong <neil.armstrong@...aro.org>
+
+properties:
+ compatible:
+ items:
+ - enum:
+ - amlogic,meson8-sdio
+ - amlogic,meson8b-sdio
+ - const: amlogic,meson-mx-sdio
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ maxItems: 2
+
+ clock-names:
+ items:
+ - const: core
+ - const: clkin
+
+ "#address-cells":
+ const: 1
+
+ "#size-cells":
+ const: 0
+
+patternProperties:
+ "slot@[0-2]$":
+ $ref: mmc-slot.yaml#
+ description:
+ A node for each slot provided by the MMC controller
+
+ properties:
+ reg:
+ enum: [0, 1, 2]
+
+ bus-width:
+ enum: [1, 4]
+
+ unevaluatedProperties: false
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - clock-names
+ - "#address-cells"
+ - "#size-cells"
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ mmc@...08c20 {
+ compatible = "amlogic,meson8-sdio", "amlogic,meson-mx-sdio";
+ reg = <0xc1108c20 0x20>;
+ interrupts = <GIC_SPI 28 IRQ_TYPE_EDGE_RISING>;
+ clocks = <&clk_core>, <&clk_in>;
+ clock-names = "core", "clkin";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ slot@1 {
+ compatible = "mmc-slot";
+ reg = <1>;
+ bus-width = <4>;
+ };
+ };
--
2.34.1
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