linux-kernel - [PATCH V3] dt-bindings: arm: fsl: Add DHCOM PicoITX and DHCOM DRC02 boards

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Date:   Wed, 14 Jul 2021 22:22:52 +0200
From:   Christoph Niedermaier <cniedermaier@...electronics.com>
To:     <devicetree@...r.kernel.org>
CC:     Christoph Niedermaier <cniedermaier@...electronics.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <robh+dt@...nel.org>,
        Shawn Guo <shawnguo@...nel.org>, <kernel@...electronics.com>,
        Fabio Estevam <festevam@...x.de>
Subject: [PATCH V3] dt-bindings: arm: fsl: Add DHCOM PicoITX and DHCOM DRC02 boards

Add DH electronics DHCOM PicoITX and DHCOM DRC02 boards. The DHCOM DRC02
device can only house a SOM with iMX6S and not with iMX6DL, due to some
thermal design consideration. But for compatible fsl,imx6dl is chosen,
because fsl,imx6s isn't available, the iMX6S is basically a iMX6DL with
one CPU core disabled and therefore the kernel discerns the iMX6S/iMX6DL
automatically.

Signed-off-by: Christoph Niedermaier <cniedermaier@...electronics.com>
Cc: linux-arm-kernel@...ts.infradead.org
Cc: linux-kernel@...r.kernel.org
Cc: robh+dt@...nel.org
Cc: Shawn Guo <shawnguo@...nel.org>
Cc: kernel@...electronics.com
Cc: Fabio Estevam <festevam@...x.de>
To: devicetree@...r.kernel.org
---
V2: - Remove line with fsl,imx6s on the DRC02 Board
V3: - Rework of the commit message
    - Add Fabio Estevam to the CC list
---
 Documentation/devicetree/bindings/arm/fsl.yaml | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/Documentation/devicetree/bindings/arm/fsl.yaml b/Documentation/devicetree/bindings/arm/fsl.yaml
index 1c827c1954dc..6eff9e35f9a9 100644
--- a/Documentation/devicetree/bindings/arm/fsl.yaml
+++ b/Documentation/devicetree/bindings/arm/fsl.yaml
@@ -418,6 +418,12 @@ properties:
           - const: dfi,fs700e-m60
           - const: fsl,imx6dl
 
+      - description: i.MX6DL DHCOM PicoITX Board
+        items:
+          - const: dh,imx6dl-dhcom-picoitx
+          - const: dh,imx6dl-dhcom-som
+          - const: fsl,imx6dl
+
       - description: i.MX6DL Gateworks Ventana Boards
         items:
           - enum:
@@ -469,6 +475,12 @@ properties:
           - const: toradex,colibri_imx6dl          # Colibri iMX6 Module
           - const: fsl,imx6dl
 
+      - description: i.MX6S DHCOM DRC02 Board
+        items:
+          - const: dh,imx6s-dhcom-drc02
+          - const: dh,imx6s-dhcom-som
+          - const: fsl,imx6dl
+
       - description: i.MX6SL based Boards
         items:
           - enum:
-- 
2.11.0