[PATCH] Mark tcon0 to be the only tcon capable of LVDS on sun7i-a20

[Andrey Lebedev]

This allows to avoid warnings about reset line not provided for tcon1.

Signed-off-by: Andrey Lebedev <andrey@xxxxxxxxxx>
---
 arch/arm/boot/dts/sun7i-a20.dtsi   |  6 ++++--
 drivers/gpu/drm/sun4i/sun4i_tcon.c | 14 ++++++++++++--
 2 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/arch/arm/boot/dts/sun7i-a20.dtsi b/arch/arm/boot/dts/sun7i-a20.dtsi
index dc4f3f249aee..d50263c1ca9a 100644
--- a/arch/arm/boot/dts/sun7i-a20.dtsi
+++ b/arch/arm/boot/dts/sun7i-a20.dtsi
@@ -405,7 +405,8 @@
 		};
 
 		tcon0: lcd-controller@1c0c000 {
-			compatible = "allwinner,sun7i-a20-tcon";
+			compatible = "allwinner,sun7i-a20-tcon0",
+				     "allwinner,sun7i-a20-tcon";
 			reg = <0x01c0c000 0x1000>;
 			interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>;
 			resets = <&ccu RST_TCON0>, <&ccu RST_LVDS>;
@@ -460,7 +461,8 @@
 		};
 
 		tcon1: lcd-controller@1c0d000 {
-			compatible = "allwinner,sun7i-a20-tcon";
+			compatible = "allwinner,sun7i-a20-tcon1",
+				     "allwinner,sun7i-a20-tcon";
 			reg = <0x01c0d000 0x1000>;
 			interrupts = <GIC_SPI 45 IRQ_TYPE_LEVEL_HIGH>;
 			resets = <&ccu RST_TCON1>;
diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c b/drivers/gpu/drm/sun4i/sun4i_tcon.c
index 800a9bd86112..d9605d331010 100644
--- a/drivers/gpu/drm/sun4i/sun4i_tcon.c
+++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c
@@ -1479,7 +1479,7 @@ static const struct sun4i_tcon_quirks sun6i_a31s_quirks = {
 	.dclk_min_div		= 1,
 };
 
-static const struct sun4i_tcon_quirks sun7i_a20_quirks = {
+static const struct sun4i_tcon_quirks sun7i_a20_tcon0_quirks = {
 	.supports_lvds		= true,
 	.has_channel_0		= true,
 	.has_channel_1		= true,
@@ -1489,6 +1489,15 @@ static const struct sun4i_tcon_quirks sun7i_a20_quirks = {
 	.setup_lvds_phy		= sun4i_tcon_setup_lvds_phy,
 };
 
+static const struct sun4i_tcon_quirks sun7i_a20_tcon1_quirks = {
+	.supports_lvds		= false,
+	.has_channel_0		= true,
+	.has_channel_1		= true,
+	.dclk_min_div		= 4,
+	/* Same display pipeline structure as A10 */
+	.set_mux		= sun4i_a10_tcon_set_mux,
+};
+
 static const struct sun4i_tcon_quirks sun8i_a33_quirks = {
 	.has_channel_0		= true,
 	.has_lvds_alt		= true,
@@ -1534,7 +1543,8 @@ 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,sun7i-a20-tcon", .data = &sun7i_a20_quirks },
+	{ .compatible = "allwinner,sun7i-a20-tcon0", .data = &sun7i_a20_tcon0_quirks },
+	{ .compatible = "allwinner,sun7i-a20-tcon1", .data = &sun7i_a20_tcon1_quirks },
 	{ .compatible = "allwinner,sun8i-a23-tcon", .data = &sun8i_a33_quirks },
 	{ .compatible = "allwinner,sun8i-a33-tcon", .data = &sun8i_a33_quirks },
 	{ .compatible = "allwinner,sun8i-a83t-tcon-lcd", .data = &sun8i_a83t_lcd_quirks },
-- 
2.20.1


-- 
Andrey Lebedev aka -.- . -.. -.. . .-.
Software engineer
Homepage: http://lebedev.lt/