linux-kernel - [PATCH v7 10/13] drm/sun4i: tcon: add support for V3s TCON

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Date:   Mon, 15 May 2017 00:30:42 +0800
From:   Icenowy Zheng <icenowy@...c.io>
To:     Rob Herring <robh+dt@...nel.org>,
        Maxime Ripard <maxime.ripard@...e-electrons.com>,
        Chen-Yu Tsai <wens@...e.org>
Cc:     linux-clk@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, linux-sunxi@...glegroups.com,
        Icenowy Zheng <icenowy@...c.io>
Subject: [PATCH v7 10/13] drm/sun4i: tcon: add support for V3s TCON

Allwinner V3s SoC features a TCON without channel 1.

Add support for it.

Signed-off-by: Icenowy Zheng <icenowy@...c.io>
Reviewed-by: Chen-Yu Tsai <wens@...e.org>
---
Changes in v7:
- Added Chen-Yu's Reviewed-by.

 drivers/gpu/drm/sun4i/sun4i_drv.c  | 3 ++-
 drivers/gpu/drm/sun4i/sun4i_tcon.c | 5 +++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/sun4i/sun4i_drv.c b/drivers/gpu/drm/sun4i/sun4i_drv.c
index 4a979d17ddaa..1dd1948025d2 100644
--- a/drivers/gpu/drm/sun4i/sun4i_drv.c
+++ b/drivers/gpu/drm/sun4i/sun4i_drv.c
@@ -178,7 +178,8 @@ static bool sun4i_drv_node_is_tcon(struct device_node *node)
 	return of_device_is_compatible(node, "allwinner,sun5i-a13-tcon") ||
 		of_device_is_compatible(node, "allwinner,sun6i-a31-tcon") ||
 		of_device_is_compatible(node, "allwinner,sun6i-a31s-tcon") ||
-		of_device_is_compatible(node, "allwinner,sun8i-a33-tcon");
+		of_device_is_compatible(node, "allwinner,sun8i-a33-tcon") ||
+		of_device_is_compatible(node, "allwinner,sun8i-v3s-tcon");
 }
 
 static int compare_of(struct device *dev, void *data)
diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c b/drivers/gpu/drm/sun4i/sun4i_tcon.c
index 288275802f92..add349f5e012 100644
--- a/drivers/gpu/drm/sun4i/sun4i_tcon.c
+++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c
@@ -601,11 +601,16 @@ static const struct sun4i_tcon_quirks sun8i_a33_quirks = {
 	/* nothing is supported */
 };
 
+static const struct sun4i_tcon_quirks sun8i_v3s_quirks = {
+	/* nothing is supported */
+};
+
 static const struct of_device_id sun4i_tcon_of_table[] = {
 	{ .compatible = "allwinner,sun5i-a13-tcon", .data = &sun5i_a13_quirks },
 	{ .compatible = "allwinner,sun6i-a31-tcon", .data = &sun6i_a31_quirks },
 	{ .compatible = "allwinner,sun6i-a31s-tcon", .data = &sun6i_a31s_quirks },
 	{ .compatible = "allwinner,sun8i-a33-tcon", .data = &sun8i_a33_quirks },
+	{ .compatible = "allwinner,sun8i-v3s-tcon", .data = &sun8i_v3s_quirks },
 	{ }
 };
 MODULE_DEVICE_TABLE(of, sun4i_tcon_of_table);
-- 
2.12.2