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From: Jernej Skrabec <jernej.skrabec@gmail.com>
To: wens@csie.org, samuel@sholland.org
Cc: mripard@kernel.org, maarten.lankhorst@linux.intel.com,
	tzimmermann@suse.de, airlied@gmail.com, simona@ffwll.ch,
	robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org,
	mturquette@baylibre.com, sboyd@kernel.org,
	dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org,
	linux-clk@vger.kernel.org, jernej.skrabec@gmail.com
Subject: [PATCH v2 1/8] clk: sunxi-ng: de2: Fix Display Engine 3.3 definitions
Date: Sat,  9 May 2026 21:00:08 +0200	[thread overview]
Message-ID: <20260509190015.79086-2-jernej.skrabec@siol.net> (raw)
In-Reply-To: <20260509190015.79086-1-jernej.skrabec@siol.net>

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

Positions of clocks and resets changed when version 3.3 was introduced.
However, old positions still work, just by luck.

Fix Display Engine 3.3 resets and clocks according vendor driver.

Fixes: be0e9a372787 ("clk: sunxi-ng: ccu: add Display Engine 3.3 (DE33) support")
Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
---
Changes from v1:
- new patch

 drivers/clk/sunxi-ng/ccu-sun8i-de2.c | 39 +++++++++++++++++++++++++---
 1 file changed, 36 insertions(+), 3 deletions(-)

diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-de2.c b/drivers/clk/sunxi-ng/ccu-sun8i-de2.c
index a6cd0f988859..6ec6c0dc4c26 100644
--- a/drivers/clk/sunxi-ng/ccu-sun8i-de2.c
+++ b/drivers/clk/sunxi-ng/ccu-sun8i-de2.c
@@ -36,6 +36,13 @@ static SUNXI_CCU_GATE(wb_clk,		"wb",		"wb-div",
 static SUNXI_CCU_GATE(rot_clk,		"rot",		"rot-div",
 		      0x00, BIT(3), CLK_SET_RATE_PARENT);
 
+static SUNXI_CCU_GATE(mixer0_h616_clk,	"mixer0",	"de",
+		      0x04, BIT(0), CLK_SET_RATE_PARENT);
+static SUNXI_CCU_GATE(mixer1_h616_clk,	"mixer1",	"de",
+		      0x04, BIT(1), CLK_SET_RATE_PARENT);
+static SUNXI_CCU_GATE(wb_h616_clk,	"wb",		"de",
+		      0x04, BIT(4), CLK_SET_RATE_PARENT);
+
 static SUNXI_CCU_M(mixer0_div_clk, "mixer0-div", "de", 0x0c, 0, 4,
 		   CLK_SET_RATE_PARENT);
 static SUNXI_CCU_M(mixer1_div_clk, "mixer1-div", "de", 0x0c, 4, 4,
@@ -54,6 +61,9 @@ static SUNXI_CCU_M(wb_div_a83_clk, "wb-div", "pll-de", 0x0c, 8, 4,
 static SUNXI_CCU_M(rot_div_a83_clk, "rot-div", "pll-de", 0x0c, 0x0c, 4,
 		   CLK_SET_RATE_PARENT);
 
+static SUNXI_CCU_GATE(bus_mixer0_h616_clk, "bus-mixer0", "bus-de",
+		      0x08, BIT(0), 0);
+
 static struct ccu_common *sun8i_de2_ccu_clks[] = {
 	&mixer0_clk.common,
 	&mixer1_clk.common,
@@ -74,6 +84,12 @@ static struct ccu_common *sun8i_de2_ccu_clks[] = {
 	&mixer1_div_a83_clk.common,
 	&wb_div_a83_clk.common,
 	&rot_div_a83_clk.common,
+
+	&mixer0_h616_clk.common,
+	&mixer1_h616_clk.common,
+	&wb_h616_clk.common,
+
+	&bus_mixer0_h616_clk.common
 };
 
 static struct clk_hw_onecell_data sun8i_a83t_de2_hw_clks = {
@@ -147,6 +163,17 @@ static struct clk_hw_onecell_data sun50i_a64_de2_hw_clks = {
 	.num	= CLK_NUMBER_WITH_ROT,
 };
 
+static struct clk_hw_onecell_data sun50i_h616_de33_hw_clks = {
+	.hws	= {
+		[CLK_MIXER0]		= &mixer0_h616_clk.common.hw,
+		[CLK_MIXER1]		= &mixer1_h616_clk.common.hw,
+		[CLK_WB]		= &wb_h616_clk.common.hw,
+
+		[CLK_BUS_MIXER0]	= &bus_mixer0_h616_clk.common.hw,
+	},
+	.num	= CLK_NUMBER_WITHOUT_ROT,
+};
+
 static const struct ccu_reset_map sun8i_a83t_de2_resets[] = {
 	[RST_MIXER0]	= { 0x08, BIT(0) },
 	/*
@@ -180,6 +207,12 @@ static const struct ccu_reset_map sun50i_h5_de2_resets[] = {
 	[RST_WB]	= { 0x08, BIT(2) },
 };
 
+static const struct ccu_reset_map sun50i_h616_de33_resets[] = {
+	[RST_MIXER0]	= { 0x00, BIT(0) },
+	[RST_MIXER1]	= { 0x00, BIT(1) },
+	[RST_WB]	= { 0x00, BIT(4) },
+};
+
 static const struct sunxi_ccu_desc sun8i_a83t_de2_clk_desc = {
 	.ccu_clks	= sun8i_de2_ccu_clks,
 	.num_ccu_clks	= ARRAY_SIZE(sun8i_de2_ccu_clks),
@@ -244,10 +277,10 @@ static const struct sunxi_ccu_desc sun50i_h616_de33_clk_desc = {
 	.ccu_clks	= sun8i_de2_ccu_clks,
 	.num_ccu_clks	= ARRAY_SIZE(sun8i_de2_ccu_clks),
 
-	.hw_clks	= &sun8i_h3_de2_hw_clks,
+	.hw_clks	= &sun50i_h616_de33_hw_clks,
 
-	.resets		= sun50i_h5_de2_resets,
-	.num_resets	= ARRAY_SIZE(sun50i_h5_de2_resets),
+	.resets		= sun50i_h616_de33_resets,
+	.num_resets	= ARRAY_SIZE(sun50i_h616_de33_resets),
 };
 
 static int sunxi_de2_clk_probe(struct platform_device *pdev)
-- 
2.54.0


  reply	other threads:[~2026-05-09 19:00 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-05-09 19:00 [PATCH v2 0/8] drm/sun4i: update DE33 support Jernej Skrabec
2026-05-09 19:00 ` Jernej Skrabec [this message]
2026-05-09 19:44   ` [PATCH v2 1/8] clk: sunxi-ng: de2: Fix Display Engine 3.3 definitions sashiko-bot
2026-05-10 19:11     ` Jernej Škrabec
2026-05-09 19:00 ` [PATCH v2 2/8] clk: sunxi-ng: de2: Export register regmap for DE33 Jernej Skrabec
2026-05-09 20:05   ` sashiko-bot
2026-05-09 19:00 ` [PATCH v2 3/8] drm/sun4i: Add support for DE33 CSC Jernej Skrabec
2026-05-09 19:00 ` [PATCH v2 4/8] drm/sun4i: vi_layer: Limit formats for DE33 Jernej Skrabec
2026-05-09 20:58   ` sashiko-bot
2026-05-09 19:00 ` [PATCH v2 5/8] dt-bindings: display: allwinner: Add DE33 planes Jernej Skrabec
2026-05-09 21:12   ` sashiko-bot
2026-05-09 19:00 ` [PATCH v2 6/8] drm/sun4i: Add planes driver Jernej Skrabec
2026-05-09 21:31   ` sashiko-bot
2026-05-09 19:00 ` [PATCH v2 7/8] dt-bindings: display: allwinner: Split H616 DE33 layer reg space Jernej Skrabec
2026-05-09 19:00 ` [PATCH v2 8/8] drm/sun4i: switch DE33 to new bindings Jernej Skrabec
2026-05-09 22:00   ` sashiko-bot

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