linux-kernel - [PATCH 1/3] dt-bindings: input: sun4i-lradc-keys: Add R329 and D1 compatibles

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Message-Id: <20210908034016.24119-2-samuel@sholland.org>
Date:   Tue,  7 Sep 2021 22:40:14 -0500
From:   Samuel Holland <samuel@...lland.org>
To:     Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Hans de Goede <hdegoede@...hat.com>,
        Rob Herring <robh+dt@...nel.org>,
        Maxime Ripard <mripard@...nel.org>,
        Chen-Yu Tsai <wens@...e.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>
Cc:     Philipp Zabel <p.zabel@...gutronix.de>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-input@...r.kernel.org,
        linux-sunxi@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Samuel Holland <samuel@...lland.org>
Subject: [PATCH 1/3] dt-bindings: input: sun4i-lradc-keys: Add R329 and D1 compatibles

The R329 and D1 SoCs each contain an LRADC with a programming interface
compatible to earlier LRADCs. However, the LRADC now has its own clock
gate and reset line, instead of being always active.

To support this, add clock/reset properties to the binding, and require
them for the variant in the new SoCs.

Signed-off-by: Samuel Holland <samuel@...lland.org>
---
 .../input/allwinner,sun4i-a10-lradc-keys.yaml | 22 +++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/Documentation/devicetree/bindings/input/allwinner,sun4i-a10-lradc-keys.yaml b/Documentation/devicetree/bindings/input/allwinner,sun4i-a10-lradc-keys.yaml
index cffd02028d02..cfb84b8a1b90 100644
--- a/Documentation/devicetree/bindings/input/allwinner,sun4i-a10-lradc-keys.yaml
+++ b/Documentation/devicetree/bindings/input/allwinner,sun4i-a10-lradc-keys.yaml
@@ -18,10 +18,20 @@ properties:
       - items:
           - const: allwinner,sun50i-a64-lradc
           - const: allwinner,sun8i-a83t-r-lradc
+      - const: allwinner,sun50i-r329-lradc
+      - items:
+          - const: allwinner,sun20i-d1-lradc
+          - const: allwinner,sun50i-r329-lradc
 
   reg:
     maxItems: 1
 
+  clocks:
+    maxItems: 1
+
+  resets:
+    maxItems: 1
+
   interrupts:
     maxItems: 1
 
@@ -66,6 +76,18 @@ required:
   - interrupts
   - vref-supply
 
+if:
+  properties:
+    compatible:
+      contains:
+        enum:
+          - allwinner,sun50i-r329-lradc
+
+then:
+  required:
+    - clocks
+    - resets
+
 additionalProperties: false
 
 examples:
-- 
2.31.1