[PATCH v3 02/13] drm/bridge: tc358762: Improve SYSCTRL register defines

[Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>]

Define SYSCTRL fields. No functional changes.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
---
 drivers/gpu/drm/bridge/tc358762.c | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/bridge/tc358762.c b/drivers/gpu/drm/bridge/tc358762.c
index 833fd9913c75..c8b9984ff301 100644
--- a/drivers/gpu/drm/bridge/tc358762.c
+++ b/drivers/gpu/drm/bridge/tc358762.c
@@ -10,6 +10,7 @@
  *  Eric Anholt <eric@anholt.net>
  */
 
+#include <linux/bitfield.h>
 #include <linux/delay.h>
 #include <linux/gpio/consumer.h>
 #include <linux/mod_devicetable.h>
@@ -64,6 +65,19 @@
 
 /* System Controller Registers */
 #define SYSCTRL			0x0464
+#define SYSCTRL_DPIDATA_IO_MASK GENMASK_U32(1, 0)
+#define SYSCTRL_DPIDATA_IO_1MA	0
+#define SYSCTRL_DPIDATA_IO_2MA	1
+#define SYSCTRL_DPIDATA_IO_3MA	2
+#define SYSCTRL_DPIDATA_IO_4MA	3
+#define SYSCTRL_DPISTB_IO_MASK	GENMASK_U32(3, 2)
+#define SYSCTRL_DPISTB_IO_1MA	0
+#define SYSCTRL_DPISTB_IO_2MA	1
+#define SYSCTRL_DPISTB_IO_3MA	2
+#define SYSCTRL_DPISTB_IO_4MA	3
+#define SYSCTRL_PCLKDIV_MASK	GENMASK_U32(11, 8)
+#define SYSCTRL_PCLKDIV_DIV_2	2
+#define SYSCTRL_PCLKDIV_DIV_3	4
 
 #define LPX_PERIOD		3
 
@@ -137,7 +151,11 @@ static int tc358762_init(struct tc358762 *ctx)
 
 	tc358762_write(ctx, LCDCTRL, lcdctrl);
 
-	tc358762_write(ctx, SYSCTRL, 0x040f);
+	tc358762_write(ctx, SYSCTRL,
+		       FIELD_PREP(SYSCTRL_DPIDATA_IO_MASK, SYSCTRL_DPIDATA_IO_4MA) |
+		       FIELD_PREP(SYSCTRL_DPISTB_IO_MASK, SYSCTRL_DPISTB_IO_4MA) |
+		       FIELD_PREP(SYSCTRL_PCLKDIV_MASK, SYSCTRL_PCLKDIV_DIV_3));
+
 	msleep(100);
 
 	tc358762_write(ctx, PPI_STARTPPI, PPI_STARTPPI_STARTPPI);

-- 
2.43.0