From: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
To: Marek Vasut <marex@denx.de>,
Andrzej Hajda <andrzej.hajda@intel.com>,
Neil Armstrong <neil.armstrong@linaro.org>,
Robert Foss <rfoss@kernel.org>,
Laurent Pinchart <Laurent.pinchart@ideasonboard.com>,
Jonas Karlman <jonas@kwiboo.se>,
Jernej Skrabec <jernej.skrabec@gmail.com>,
Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
Maxime Ripard <mripard@kernel.org>,
Thomas Zimmermann <tzimmermann@suse.de>,
David Airlie <airlied@gmail.com>,
Simona Vetter <simona@ffwll.ch>
Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,
Dave Stevenson <dave.stevenson@raspberrypi.com>,
Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Subject: [PATCH v4 01/13] drm/bridge: tc358762: Clean up register defines
Date: Mon, 07 Sep 2026 14:27:56 +0300 [thread overview]
Message-ID: <20260907-tc358762-fixes-v4-1-e3fc3ab5cd83@ideasonboard.com> (raw)
In-Reply-To: <20260907-tc358762-fixes-v4-0-e3fc3ab5cd83@ideasonboard.com>
Move the defines around and rename for clarity and consistency. No
functional change.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
---
drivers/gpu/drm/bridge/tc358762.c | 21 ++++++++++-----------
1 file changed, 10 insertions(+), 11 deletions(-)
diff --git a/drivers/gpu/drm/bridge/tc358762.c b/drivers/gpu/drm/bridge/tc358762.c
index 6aa93b3274dd..dc20f253c7ad 100644
--- a/drivers/gpu/drm/bridge/tc358762.c
+++ b/drivers/gpu/drm/bridge/tc358762.c
@@ -28,17 +28,22 @@
/* PPI layer registers */
#define PPI_STARTPPI 0x0104 /* START control bit */
+#define PPI_STARTPPI_STARTPPI BIT(0)
+
#define PPI_LPTXTIMECNT 0x0114 /* LPTX timing signal */
#define PPI_D0S_ATMR 0x0144
#define PPI_D1S_ATMR 0x0148
#define PPI_D0S_CLRSIPOCOUNT 0x0164 /* Assertion timer for Lane 0 */
#define PPI_D1S_CLRSIPOCOUNT 0x0168 /* Assertion timer for Lane 1 */
-#define PPI_START_FUNCTION 1
/* DSI layer registers */
#define DSI_STARTDSI 0x0204 /* START control bit of DSI-TX */
+#define DSI_STARTDSI_STARTDSI BIT(0)
+
#define DSI_LANEENABLE 0x0210 /* Enables each lane */
-#define DSI_RX_START 1
+#define DSI_LANEENABLE_CLEN BIT(0)
+#define DSI_LANEENABLE_L0EN BIT(1)
+#define DSI_LANEENABLE_L1EN BIT(2)
/* LCDC/DPI Host Registers, based on guesswork that this matches TC358764 */
#define LCDCTRL 0x0420 /* Video Path Control */
@@ -59,14 +64,8 @@
/* System Controller Registers */
#define SYSCTRL 0x0464
-/* System registers */
#define LPX_PERIOD 3
-/* Lane enable PPI and DSI register bits */
-#define LANEENABLE_CLEN BIT(0)
-#define LANEENABLE_L0EN BIT(1)
-#define LANEENABLE_L1EN BIT(2)
-
struct tc358762 {
struct device *dev;
struct drm_bridge bridge;
@@ -117,7 +116,7 @@ static int tc358762_init(struct tc358762 *ctx)
u32 lcdctrl;
tc358762_write(ctx, DSI_LANEENABLE,
- LANEENABLE_L0EN | LANEENABLE_CLEN);
+ DSI_LANEENABLE_L0EN | DSI_LANEENABLE_CLEN);
tc358762_write(ctx, PPI_D0S_CLRSIPOCOUNT, 5);
tc358762_write(ctx, PPI_D1S_CLRSIPOCOUNT, 5);
tc358762_write(ctx, PPI_D0S_ATMR, 0);
@@ -140,8 +139,8 @@ static int tc358762_init(struct tc358762 *ctx)
tc358762_write(ctx, SYSCTRL, 0x040f);
msleep(100);
- tc358762_write(ctx, PPI_STARTPPI, PPI_START_FUNCTION);
- tc358762_write(ctx, DSI_STARTDSI, DSI_RX_START);
+ tc358762_write(ctx, PPI_STARTPPI, PPI_STARTPPI_STARTPPI);
+ tc358762_write(ctx, DSI_STARTDSI, DSI_STARTDSI_STARTDSI);
msleep(100);
--
2.43.0
next prev parent reply other threads:[~2026-09-07 11:28 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-07 11:27 [PATCH v4 00/13] drm/bridge: tc358762: Various small fixes Tomi Valkeinen
2026-09-07 11:27 ` Tomi Valkeinen [this message]
2026-09-07 11:27 ` [PATCH v4 02/13] drm/bridge: tc358762: Improve SYSCTRL register defines Tomi Valkeinen
2026-09-07 11:27 ` [PATCH v4 03/13] drm/bridge: tc358762: Improve LCDCTRL defines Tomi Valkeinen
2026-09-07 11:27 ` [PATCH v4 04/13] drm/bridge: tc358762: Configure SYSCTRL first Tomi Valkeinen
2026-09-07 11:28 ` [PATCH v4 05/13] drm/bridge: tc358762: Drop SPICMR write Tomi Valkeinen
2026-09-07 11:28 ` [PATCH v4 06/13] drm/bridge: tc358762: Improve DPI enable handling Tomi Valkeinen
2026-09-07 11:36 ` sashiko-bot
2026-09-07 11:28 ` [PATCH v4 07/13] drm/bridge: tc358762: Update comment about the number of lanes Tomi Valkeinen
2026-09-07 11:28 ` [PATCH v4 08/13] drm/bridge: tc358762: Support VTG Tomi Valkeinen
2026-09-07 11:28 ` [PATCH v4 09/13] drm/bridge: tc358762: Fix sync polarities Tomi Valkeinen
2026-09-07 11:28 ` [PATCH v4 10/13] drm/bridge: tc358762: Move tc358762_init() into tc358762_enable() Tomi Valkeinen
2026-09-07 11:38 ` sashiko-bot
2026-09-07 11:28 ` [PATCH v4 11/13] drm/bridge: tc358762: Drop drm_bridge_funcs.mode_set Tomi Valkeinen
2026-09-07 11:28 ` [PATCH v4 12/13] drm/bridge: tc358762: Set DE_POL and DCLK_POL properly Tomi Valkeinen
2026-09-07 11:44 ` sashiko-bot
2026-09-07 11:28 ` [PATCH v4 13/13] drm/panel-simple: Fix powertip,ph800480t013-idf02 timings Tomi Valkeinen
2026-09-10 12:20 ` [PATCH v4 00/13] drm/bridge: tc358762: Various small fixes Andreas Kemnade
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