[PATCH v2 1/3] dt-bindings: mmc: Add Sparx5 SDHCI controller bindings

From: Lars Povlsen
Date: Tue Jun 09 2020 - 06:20:58 EST


The Sparx5 SDHCI controller is based on the Designware controller IP.

Reviewed-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx>
Signed-off-by: Lars Povlsen <lars.povlsen@xxxxxxxxxxxxx>
---
.../mmc/microchip,dw-sparx5-sdhci.yaml | 57 +++++++++++++++++++
1 file changed, 57 insertions(+)
create mode 100644 Documentation/devicetree/bindings/mmc/microchip,dw-sparx5-sdhci.yaml

diff --git a/Documentation/devicetree/bindings/mmc/microchip,dw-sparx5-sdhci.yaml b/Documentation/devicetree/bindings/mmc/microchip,dw-sparx5-sdhci.yaml
new file mode 100644
index 0000000000000..a9901c4bc25d3
--- /dev/null
+++ b/Documentation/devicetree/bindings/mmc/microchip,dw-sparx5-sdhci.yaml
@@ -0,1 +1,57 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mmc/microchip,dw-sparx5-sdhci.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Microchip Sparx5 Mobile Storage Host Controller Binding
+
+allOf:
+ - $ref: "mmc-controller.yaml"
+
+maintainers:
+ - Lars Povlsen <lars.povlsen@xxxxxxxxxxxxx>
+
+# Everything else is described in the common file
+properties:
+ compatible:
+ const: microchip,dw-sparx5-sdhci
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+ description:
+ Handle to "core" clock for the sdhci controller.
+
+ clock-names:
+ items:
+ - const: core
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - clock-names
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/clock/microchip,sparx5.h>
+ sdhci0: mmc@600800000 {
+ compatible = "microchip,dw-sparx5-sdhci";
+ reg = <0x00800000 0x1000>;
+ pinctrl-0 = <&emmc_pins>;
+ pinctrl-names = "default";
+ clocks = <&clks CLK_ID_AUX1>;
+ clock-names = "core";
+ assigned-clocks = <&clks CLK_ID_AUX1>;
+ assigned-clock-rates = <800000000>;
+ interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>;
+ bus-width = <8>;
+ };
--
Cc: Microchip Linux Driver Support <UNGLinuxDriver@xxxxxxxxxxxxx>
Cc: linux-mmc@xxxxxxxxxxxxxxx
Cc: devicetree@xxxxxxxxxxxxxxx
Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx