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
next prev parent 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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