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drivers: ssd1673: add DT properties for configuration registers

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The values for the registers like GDV, SDV and Boarder Waveform
depend on the panel and display controller. Add DT properties
and obtain such values from DT.

Signed-off-by: Johann Fischer <j.fischer@phytec.de>
This commit is contained in:
Johann Fischer 2019-02-04 17:09:53 +01:00 • committed by Anas Nashif
commit f7495ef8eb
4 changed files with 67 additions and 8 deletions
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18
drivers/display/ssd1673.c
View file

@ -467,20 +467,24 @@ static int ssd1673_controller_init(struct device *dev)
return err;
}
tmp[0] = SSD1673_VAL_GDV_CTRL_A;
tmp[1] = SSD1673_VAL_GDV_CTRL_B;
tmp[0] = DT_SOLOMON_SSD1673FB_0_GDV_A;
#if defined(DT_SOLOMON_SSD1673FB_0_GDV_B)
tmp[1] = DT_SOLOMON_SSD1673FB_0_GDV_B;
err = ssd1673_write_cmd(driver, SSD1673_CMD_GDV_CTRL, tmp, 2);
#else
err = ssd1673_write_cmd(driver, SSD1673_CMD_GDV_CTRL, tmp, 1);
#endif
if (err < 0) {
return err;
}
tmp[0] = SSD1673_VAL_SDV_CTRL;
tmp[0] = DT_SOLOMON_SSD1673FB_0_SDV;
err = ssd1673_write_cmd(driver, SSD1673_CMD_SDV_CTRL, tmp, 1);
if (err < 0) {
return err;
}
tmp[0] = SSD1673_VAL_VCOM_VOLTAGE;
tmp[0] = DT_SOLOMON_SSD1673FB_0_VCOM;
err = ssd1673_write_cmd(driver, SSD1673_CMD_VCOM_VOLTAGE, tmp, 1);
if (err < 0) {
return err;
@ -498,6 +502,12 @@ static int ssd1673_controller_init(struct device *dev)
return err;
}
tmp[0] = DT_SOLOMON_SSD1673FB_0_BORDER_WAVEFORM;
err = ssd1673_write_cmd(driver, SSD1673_CMD_BWF_CTRL, tmp, 1);
if (err < 0) {
return err;
}
ssd1673_set_orientation_internall(driver);
err = ssd1673_write_cmd(driver, SSD1673_CMD_UPDATE_LUT,

4
drivers/display/ssd1673_regs.h
View file

@ -66,10 +66,6 @@
#define SSD1673_SLEEP_MODE_PON 0x00
/* Default values */
#define SSD1673_VAL_GDV_CTRL_A 16
#define SSD1673_VAL_GDV_CTRL_B 10
#define SSD1673_VAL_SDV_CTRL 0x19
#define SSD1673_VAL_VCOM_VOLTAGE 0xa8
#define SSD1673_VAL_DUMMY_LINE 0x1a
#define SSD1673_VAL_GATE_LWIDTH 0x08