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From: Ryan Walklin <ryan@testtoast.com>
To: Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>, Chen-Yu Tsai <wens@csie.org>,
	Jernej Skrabec <jernej.skrabec@gmail.com>,
	Samuel Holland <samuel@sholland.org>
Cc: Andre Przywara <andre.przywara@arm.com>,
	Chris Morgan <macroalpha82@gmail.com>,
	Hironori KIKUCHI <kikuchan98@gmail.com>,
	Philippe Simons <simons.philippe@gmail.com>,
	linux-sunxi@lists.linux.dev, devicetree@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	dri-devel@lists.freedesktop.org,
	Ryan Walklin <ryan@testtoast.com>
Subject: [PATCH v2 07/12] drm/sun4i: tcon: add support for R40
Date: Sun, 20 Jul 2025 20:48:45 +1200	[thread overview]
Message-ID: <20250720085047.5340-8-ryan@testtoast.com> (raw)
In-Reply-To: <20250720085047.5340-1-ryan@testtoast.com>

From: Jernej Skrabec <jernej.skrabec@gmail.com>

The Allwinner H616 and related SOCs have an LCD timing controller
(TCON) which is compatible with the R40 SOC's controller and existing
sun4i driver. The H616 does not expose this controller but the H700 and
T507 (based on the same die) do. The controller supports LVDS and RGB
output.

Add quirks and compatible string to cover these SOCs.

Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: Ryan Walklin <ryan@testtoast.com>
---
 drivers/gpu/drm/sun4i/sun4i_tcon.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c b/drivers/gpu/drm/sun4i/sun4i_tcon.c
index 960e83c8291d..8cc8488483ec 100644
--- a/drivers/gpu/drm/sun4i/sun4i_tcon.c
+++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c
@@ -1514,6 +1514,14 @@ static const struct sun4i_tcon_quirks sun8i_a83t_tv_quirks = {
 	.has_channel_1		= true,
 };
 
+static const struct sun4i_tcon_quirks sun8i_r40_lcd_quirks = {
+	.supports_lvds		= true,
+	.has_channel_0		= true,
+	.set_mux		= sun8i_r40_tcon_tv_set_mux,
+	.dclk_min_div		= 1,
+	.setup_lvds_phy		= sun6i_tcon_setup_lvds_phy,
+};
+
 static const struct sun4i_tcon_quirks sun8i_r40_tv_quirks = {
 	.has_channel_1		= true,
 	.polarity_in_ch0	= true,
@@ -1555,6 +1563,7 @@ const struct of_device_id sun4i_tcon_of_table[] = {
 	{ .compatible = "allwinner,sun8i-a33-tcon", .data = &sun8i_a33_quirks },
 	{ .compatible = "allwinner,sun8i-a83t-tcon-lcd", .data = &sun8i_a83t_lcd_quirks },
 	{ .compatible = "allwinner,sun8i-a83t-tcon-tv", .data = &sun8i_a83t_tv_quirks },
+	{ .compatible = "allwinner,sun8i-r40-tcon-lcd", .data = &sun8i_r40_lcd_quirks },
 	{ .compatible = "allwinner,sun8i-r40-tcon-tv", .data = &sun8i_r40_tv_quirks },
 	{ .compatible = "allwinner,sun8i-v3s-tcon", .data = &sun8i_v3s_quirks },
 	{ .compatible = "allwinner,sun9i-a80-tcon-lcd", .data = &sun9i_a80_tcon_lcd_quirks },
-- 
2.50.1


  parent reply	other threads:[~2025-07-20  8:51 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-07-20  8:48 [PATCH v2 00/12] arm64: dts: allwinner: h616: add LCD timing controller and display engine support Ryan Walklin
2025-07-20  8:48 ` [PATCH v2 01/12] dt-bindings: allwinner: Add TCON_TOP_LCD clock defines Ryan Walklin
2025-07-21 14:59   ` Chen-Yu Tsai
2025-07-20  8:48 ` [PATCH v2 02/12] dt-bindings: allwinner: add H616 DE33 bus binding Ryan Walklin
2025-07-21  8:29   ` Krzysztof Kozlowski
2025-07-20  8:48 ` [PATCH v2 03/12] dt-bindings: display: sun4i: Add compatible strings for H616 DE Ryan Walklin
2025-07-20  8:48 ` [PATCH v2 04/12] dt-bindings: display: sun4i: Add compatible strings for H616 TCON TOP Ryan Walklin
2025-07-21  9:03   ` Krzysztof Kozlowski
2025-07-20  8:48 ` [PATCH v2 05/12] dt-bindings: display: sun4i: add allwinner R40 and H616 tcon compatible strings Ryan Walklin
2025-07-20  8:48 ` [PATCH v2 06/12] dt-bindings: sram: sunxi-sram: Add H616 SRAM C compatible Ryan Walklin
2025-07-21  9:05   ` Krzysztof Kozlowski
2025-07-20  8:48 ` Ryan Walklin [this message]
2025-07-20  8:48 ` [PATCH v2 08/12] drm: sun4i: add compatible for h616 display engine Ryan Walklin
2025-07-20  8:48 ` [PATCH v2 09/12] arm64: dts: allwinner: h616: add display engine, bus and mixer nodes Ryan Walklin
2025-07-20  8:48 ` [PATCH v2 10/12] arm64: dts: allwinner: h616: Add LCD timing controller nodes Ryan Walklin
2025-07-20  8:48 ` [PATCH v2 11/12] arm64: dts: allwinner: h616: add LCD and LVDS pins Ryan Walklin
2025-07-20  8:48 ` [PATCH v2 12/12] arm64: dts: allwinner: rg35xx: Enable LCD output Ryan Walklin

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