drm/sun4i: sun6i-drc: Support DRC on A31 and A31s

The A31 and A31s also have the DRC as part of the display pipeline. As we know virtually nothing about them, just add compatible strings for both SoCs to the stub driver. Signed-off-by: Chen-Yu Tsai <wens@csie.org> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
mariux64 · Oct 20, 2016 · b3e0b2d · b3e0b2d
1 parent 1001354
commit b3e0b2d
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diff --git a/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt b/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt
@@ -64,6 +64,8 @@ adaptive backlight control.
 
 Required properties:
   - compatible: value must be one of:
+    * allwinner,sun6i-a31-drc
+    * allwinner,sun6i-a31s-drc
     * allwinner,sun8i-a33-drc
   - reg: base address and size of the memory-mapped region.
   - interrupts: interrupt associated to this IP

diff --git a/drivers/gpu/drm/sun4i/sun6i_drc.c b/drivers/gpu/drm/sun4i/sun6i_drc.c
@@ -98,6 +98,8 @@ static int sun6i_drc_remove(struct platform_device *pdev)
 }
 
 static const struct of_device_id sun6i_drc_of_table[] = {
+	{ .compatible = "allwinner,sun6i-a31-drc" },
+	{ .compatible = "allwinner,sun6i-a31s-drc" },
 	{ .compatible = "allwinner,sun8i-a33-drc" },
 	{ }
 };