linux-kernel - [PATCH v4 01/13] dt-bindings: media: sunxi-ir: Add A31 compatible

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Message-Id: <20190604162959.29199-2-peron.clem@gmail.com>
Date:   Tue,  4 Jun 2019 18:29:47 +0200
From:   Clément Péron <peron.clem@...il.com>
To:     Mauro Carvalho Chehab <mchehab@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Maxime Ripard <maxime.ripard@...tlin.com>,
        Chen-Yu Tsai <wens@...e.org>
Cc:     linux-media@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-sunxi@...glegroups.com,
        Clément Péron <peron.clem@...il.com>,
        Sean Young <sean@...s.org>
Subject: [PATCH v4 01/13] dt-bindings: media: sunxi-ir: Add A31 compatible

Allwinner A31 has introduced a new memory mapping and a
reset line.

The difference in memory mapping are :

- In the configure register there is a new sample bit
  and Allwinner has introduced the active threshold feature.

- In the status register a new STAT bit is present.

Note: CGPO and DRQ_EN bits are removed on A31 but present on A13
and on new SoCs like A64/H6.
This is actually not an issue as these bits are togglable and new
SoCs have a dedicated bindings.

Introduce this bindings to make a difference since this generation.
And declare the reset line required since A31.

Signed-off-by: Clément Péron <peron.clem@...il.com>
Acked-by: Sean Young <sean@...s.org>
---
 Documentation/devicetree/bindings/media/sunxi-ir.txt | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/media/sunxi-ir.txt b/Documentation/devicetree/bindings/media/sunxi-ir.txt
index 278098987edb..2e59a32a7e33 100644
--- a/Documentation/devicetree/bindings/media/sunxi-ir.txt
+++ b/Documentation/devicetree/bindings/media/sunxi-ir.txt
@@ -1,16 +1,21 @@
 Device-Tree bindings for SUNXI IR controller found in sunXi SoC family
 
 Required properties:
-- compatible	    : "allwinner,sun4i-a10-ir" or "allwinner,sun5i-a13-ir"
+- compatible	    :
+	"allwinner,sun4i-a10-ir"
+	"allwinner,sun5i-a13-ir"
+	"allwinner,sun6i-a31-ir"
 - clocks	    : list of clock specifiers, corresponding to
 		      entries in clock-names property;
 - clock-names	    : should contain "apb" and "ir" entries;
 - interrupts	    : should contain IR IRQ number;
 - reg		    : should contain IO map address for IR.
 
+Required properties since A31:
+- resets	    : phandle + reset specifier pair
+
 Optional properties:
 - linux,rc-map-name: see rc.txt file in the same directory.
-- resets : phandle + reset specifier pair
 - clock-frequency  : IR Receiver clock frequency, in Hertz. Defaults to 8 MHz
 		     if missing.
 
-- 
2.20.1