[PATCH v2 1/5] dt-bindings: spi/spi-pxa2xx: add PXA2xx SSP SPI Controller
From: Lubomir Rintel
Date: Mon Sep 17 2018 - 07:36:26 EST
This is the SPI controller found on Marvel MMP2 and perhaps more
platforms.
Changes since v1:
- s/ssp@d4035000/spi@d4035000/
Cc: Mark Brown <broonie@xxxxxxxxxx>
Cc: Rob Herring <robh+dt@xxxxxxxxxx>
Cc: Mark Rutland <mark.rutland@xxxxxxx>
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
Signed-off-by: Lubomir Rintel <lkundrak@xxxxx>
---
.../devicetree/bindings/spi/spi-pxa2xx.txt | 24 +++++++++++++++++++
1 file changed, 24 insertions(+)
create mode 100644 Documentation/devicetree/bindings/spi/spi-pxa2xx.txt
diff --git a/Documentation/devicetree/bindings/spi/spi-pxa2xx.txt b/Documentation/devicetree/bindings/spi/spi-pxa2xx.txt
new file mode 100644
index 000000000000..0335a9bd2e8a
--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/spi-pxa2xx.txt
@@ -0,0 +1,24 @@
+PXA2xx SSP SPI Controller
+
+Required properties:
+- compatible: Must be "marvell,mmp2-ssp".
+- reg: Offset and length of the device's register set.
+- interrupts: Should be the interrupt number.
+- clocks: Should contain a single entry describing the clock input.
+- #address-cells: Number of cells required to define a chip select address.
+- #size-cells: Should be zero.
+
+Optional properties:
+- cs-gpios: list of GPIO chip selects. See the SPI bus bindings,
+ Documentation/devicetree/bindings/spi/spi-bus.txt
+
+Child nodes represent devices on the SPI bus
+ See ../spi/spi-bus.txt
+
+Example:
+ ssp1: spi@d4035000 {
+ compatible = "marvell,mmp2-ssp";
+ reg = <0xd4035000 0x1000>;
+ clocks = <&soc_clocks MMP2_CLK_SSP0>;
+ interrupts = <0>;
+ };
--
2.17.1