linux-kernel - [PATCH 06/16] dt-bindings: arm: renesas,prr: Add new compatible string for RZ/G{L,LC,UL}

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Date:   Fri, 14 May 2021 20:22:08 +0100
From:   Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
To:     Geert Uytterhoeven <geert+renesas@...der.be>,
        Rob Herring <robh+dt@...nel.org>,
        Magnus Damm <magnus.damm@...il.com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Jiri Slaby <jirislaby@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-renesas-soc@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-serial@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Cc:     Biju Das <biju.das.jz@...renesas.com>,
        Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
        Prabhakar <prabhakar.csengg@...il.com>
Subject: [PATCH 06/16] dt-bindings: arm: renesas,prr: Add new compatible string for RZ/G{L,LC,UL}

RZ/G2{L,LC,UL} SoC's have LSI_DEVID register to retrieve SoC product and
revision information.

RZ/G{L,LC,UL} SoC's have 28-bit product-id compared to other R-Car and
RZ/G2{E,H,M,N} SoC's hence a new compatible string "renesas,devid" is
added.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Reviewed-by: Biju Das <biju.das.jz@...renesas.com>
---
 Documentation/devicetree/bindings/arm/renesas,prr.yaml | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/arm/renesas,prr.yaml b/Documentation/devicetree/bindings/arm/renesas,prr.yaml
index 1f80767da38b..94afeccba29f 100644
--- a/Documentation/devicetree/bindings/arm/renesas,prr.yaml
+++ b/Documentation/devicetree/bindings/arm/renesas,prr.yaml
@@ -12,14 +12,16 @@ maintainers:
 
 description: |
   Most Renesas ARM SoCs have a Product Register or Boundary Scan ID
-  Register that allows to retrieve SoC product and revision information.
-  If present, a device node for this register should be added.
+  Register or LSI Device ID Register that allows to retrieve SoC product
+  and revision information. If present, a device node for this register
+  should be added.
 
 properties:
   compatible:
     enum:
       - renesas,prr
       - renesas,bsid
+      - renesas,devid
   reg:
     maxItems: 1
 
-- 
2.17.1