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authorMiquel Raynal <miquel.raynal@bootlin.com>2021-10-15 10:14:20 +0200
committerLee Jones <lee.jones@linaro.org>2021-10-20 17:06:29 +0100
commit96f4799a7f5480083a73ce2b139375078b970017 (patch)
treecd1a65e1b81a171927d175bc664b77a94188ab6e
parent59139ada4a7eacd4db378ee40a3d6ffbf1d0d72f (diff)
downloadlinux-96f4799a7f5480083a73ce2b139375078b970017.tar.gz
dt-bindings: mfd: ti,am3359-tscadc: Add a yaml description for this MFD
There is a very light description of this MFD in a text file dedicated to a touchscreen controller (which is one of the two children of the MFD). Here is now a complete yaml description. Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Reviewed-by: Rob Herring <robh@kernel.org> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20211015081506.933180-3-miquel.raynal@bootlin.com
-rw-r--r--Documentation/devicetree/bindings/mfd/ti,am3359-tscadc.yaml79
1 files changed, 79 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mfd/ti,am3359-tscadc.yaml b/Documentation/devicetree/bindings/mfd/ti,am3359-tscadc.yaml
new file mode 100644
index 000000000000..b2bff85f2329
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/ti,am3359-tscadc.yaml
@@ -0,0 +1,79 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mfd/ti,am3359-tscadc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: TI AM3359 Touchscreen controller/ADC
+
+maintainers:
+ - Miquel Raynal <miquel.raynal@bootlin.com>
+
+properties:
+ compatible:
+ oneOf:
+ - const: ti,am3359-tscadc
+ - items:
+ - const: ti,am654-tscadc
+ - const: ti,am3359-tscadc
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+
+ clock-names:
+ const: fck
+
+ dmas:
+ items:
+ - description: DMA controller phandle and request line for FIFO0
+ - description: DMA controller phandle and request line for FIFO1
+
+ dma-names:
+ items:
+ - const: fifo0
+ - const: fifo1
+
+ adc:
+ type: object
+ description: ADC child
+
+ tsc:
+ type: object
+ description: Touchscreen controller child
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - clock-names
+ - dmas
+ - dma-names
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+ tscadc@0 {
+ compatible = "ti,am3359-tscadc";
+ reg = <0x0 0x1000>;
+ interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&adc_tsc_fck>;
+ clock-names = "fck";
+ dmas = <&edma 53 0>, <&edma 57 0>;
+ dma-names = "fifo0", "fifo1";
+
+ tsc {
+ };
+
+ adc {
+ };
+ };