linux-kernel - [PATCH v4 2/2] dt-bindings: clocks: rk3288: add rk3288w compatible

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Message-Id: <20200602080644.11333-3-mylene.josserand@collabora.com>
Date:   Tue,  2 Jun 2020 10:06:44 +0200
From:   Mylène Josserand 
        <mylene.josserand@...labora.com>
To:     mturquette@...libre.com, sboyd@...nel.org, heiko@...ech.de,
        robh+dt@...nel.org
Cc:     linux-clk@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, mylene.josserand@...labora.com,
        kernel@...labora.com
Subject: [PATCH v4 2/2] dt-bindings: clocks: rk3288: add rk3288w compatible

Add the possible compatible "rockchip,rk3288w-cru" that handles
the difference between the rk3288 and the new revision rk3288w.

This compatible will be added by bootloaders.

Signed-off-by: Mylène Josserand <mylene.josserand@...labora.com>
---
 .../devicetree/bindings/clock/rockchip,rk3288-cru.txt     | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/clock/rockchip,rk3288-cru.txt b/Documentation/devicetree/bindings/clock/rockchip,rk3288-cru.txt
index 8cb47c39ba53..bf3a9ec19241 100644
--- a/Documentation/devicetree/bindings/clock/rockchip,rk3288-cru.txt
+++ b/Documentation/devicetree/bindings/clock/rockchip,rk3288-cru.txt
@@ -4,9 +4,15 @@ The RK3288 clock controller generates and supplies clock to various
 controllers within the SoC and also implements a reset controller for SoC
 peripherals.
 
+A revision of this SoC is available: rk3288w. The clock tree is a bit
+different so another dt-compatible is available. Noticed that it is only
+setting the difference but there is no automatic revision detection. This
+should be performed by bootloaders.
+
 Required Properties:
 
-- compatible: should be "rockchip,rk3288-cru"
+- compatible: should be "rockchip,rk3288-cru" or "rockchip,rk3288w-cru" in
+  case of this revision of Rockchip rk3288.
 - reg: physical base address of the controller and length of memory mapped
   region.
 - #clock-cells: should be 1.
-- 
2.26.2