linux-kernel - [PATCH v4 02/48] dt-bindings: mfd: ti,am3359-tscadc: Add a yaml description for this MFD

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Date:   Tue, 28 Sep 2021 15:30:57 +0200
From:   Miquel Raynal <miquel.raynal@...tlin.com>
To:     Jonathan Cameron <jic23@...nel.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Lee Jones <lee.jones@...aro.org>
Cc:     Peter Meerwald-Stadler <pmeerw@...erw.net>,
        Rob Herring <robh+dt@...nel.org>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        bcousson@...libre.com, Tony Lindgren <tony@...mide.com>,
        linux-iio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-omap@...r.kernel.org,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        Vignesh Raghavendra <vigneshr@...com>,
        Lokesh Vutla <lokeshvutla@...com>,
        Tero Kristo <kristo@...nel.org>,
        Ryan Barnett <ryan.barnett@...lins.com>,
        Grygorii Strashko <grygorii.strashko@...com>,
        Jason Reeder <jreeder@...com>, <linux-kernel@...r.kernel.org>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Rob Herring <robh@...nel.org>,
        Jonathan Cameron <Jonathan.Cameron@...wei.com>
Subject: [PATCH v4 02/48] 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@...tlin.com>
Reviewed-by: Rob Herring <robh@...nel.org>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@...wei.com>
---
 .../bindings/mfd/ti,am3359-tscadc.yaml        | 79 +++++++++++++++++++
 1 file changed, 79 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/mfd/ti,am3359-tscadc.yaml

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@...tlin.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 {
+        };
+    };
-- 
2.27.0