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Add options needed for GDEM029T94 initialization #49693

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Add options needed for GDEM029T94 initialization #49693

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f38cc8e
drivers: display:SSD16XX: dtb binding for SSD16XX_CMD_UPDATE_CTRL1
korneliuszo Aug 22, 2022
0e4403b
drivers: display:SSD16XX: dtb binding for data mode 2
korneliuszo Aug 30, 2022
39fee55
drivers: display:SSD16XX: dtb binding for SSD16XX_CMD_OTP_SELECTION_CTRL
korneliuszo Aug 30, 2022
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30 changes: 30 additions & 0 deletions drivers/display/ssd16xx.c
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Original file line number Diff line number Diff line change
Expand Up @@ -79,6 +79,9 @@ struct ssd16xx_config {

uint8_t gate_line_width;
bool override_gate_line_width;
struct ssd16xx_dt_array cntrl1_data;
bool data_mode_2;
struct ssd16xx_dt_array otp_selection_ctl;
};

static inline void ssd16xx_busy_wait(const struct device *dev)
Expand Down Expand Up @@ -812,6 +815,15 @@ static int ssd16xx_controller_init(const struct device *dev)
SSD16XX_CTRL2_DISABLE_ANALOG |
SSD16XX_CTRL2_DISABLE_CLK);

if (config->cntrl1_data.len) {
err = ssd16xx_write_cmd(dev, SSD16XX_CMD_UPDATE_CTRL1,
config->cntrl1_data.data,
config->cntrl1_data.len);
if (err < 0) {
return err;
}
}

err = ssd16xx_load_profile(dev, &config->profile_initial);
if (err < 0) {
return err;
Expand All @@ -833,6 +845,18 @@ static int ssd16xx_controller_init(const struct device *dev)
return err;
}

if (config->otp_selection_ctl.len) {
err = ssd16xx_write_cmd(dev, SSD16XX_CMD_OTP_SELECTION_CTRL,
config->otp_selection_ctl.data,
config->otp_selection_ctl.len);
if (err < 0) {
return err;
}
}

if (config->data_mode_2)
data->update_cmd |= SSD16XX_CTRL2_TO_INITIAL;

return ssd16xx_clear_cntlr_mem(dev, SSD16XX_CMD_WRITE_RAM, true);
}

Expand Down Expand Up @@ -941,6 +965,8 @@ static struct display_driver_api ssd16xx_driver_api = {
#define SSD16XX_DEFINE(n) \
SSD16XX_MAKE_INST_ARRAY_OPT(n, lut_default); \
SSD16XX_MAKE_INST_ARRAY_OPT(n, softstart); \
SSD16XX_MAKE_INST_ARRAY_OPT(n, cntrl1_data); \
SSD16XX_MAKE_INST_ARRAY_OPT(n, otp_selection_ctl); \
SSD16XX_INITIAL_PROFILE_DEFINE(n); \
\
static const struct ssd16xx_config ssd16xx_cfg_##n = { \
Expand All @@ -967,6 +993,10 @@ static struct display_driver_api ssd16xx_driver_api = {
DT_INST_PROP_OR(n, gate_line_width, 0), \
.override_gate_line_width = \
DT_INST_NODE_HAS_PROP(n, gate_line_width), \
.cntrl1_data = SSD16XX_ASSIGN_ARRAY(n, cntrl1_data), \
.data_mode_2 = \
DT_INST_NODE_HAS_PROP(n, data_mode_2), \
.otp_selection_ctl = SSD16XX_ASSIGN_ARRAY(n, otp_selection_ctl), \
}; \
\
static struct ssd16xx_data ssd16xx_data_##n; \
Expand Down
15 changes: 15 additions & 0 deletions dts/bindings/display/solomon,ssd16xxfb.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -106,3 +106,18 @@ properties:
type: int
required: false
description: Gate line width override.

cntrl1-data:
type: uint8-array
required: false
description: setup cntrl1 register for setting source range

data-mode-2:
type: boolean
required: false
description: send default updates as data2 mode

otp-selection-ctl:
type: uint8-array
required: false
description: setup SSD16XX_CMD_OTP_SELECTION_CTRL register for setting ping pong update