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drivers: display: st7789v: Add ready time to startup

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Add additional property to allow a configurable delay to the display
initialization to allow the st7789v to be ready to receive commands.

Signed-off-by: Peter Johanson <peter@peterjohanson.com>
This commit is contained in:
Peter Johanson 2025-02-01 17:21:15 -07:00 committed by Benjamin Cabé
parent b83f8ed070
commit 16b1d3c29e
2 changed files with 12 additions and 0 deletions
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4
drivers/display/display_st7789v.c
View File

@ -45,6 +45,7 @@ struct st7789v_config {
uint8_t rgb_param[3];
uint16_t height;
uint16_t width;
uint8_t ready_time_ms;
};
struct st7789v_data {
@ -409,6 +410,8 @@ static int st7789v_init(const struct device *dev)
return -ENODEV;
}
k_sleep(K_TIMEOUT_ABS_MS(config->ready_time_ms));
ret = st7789v_reset_display(dev);
if (ret < 0) {
LOG_ERR("Failed to reset display (%d)", ret);
@ -496,6 +499,7 @@ static DEVICE_API(display, st7789v_api) = {
.rgb_param = DT_INST_PROP(inst, rgb_param), \
.width = DT_INST_PROP(inst, width), \
.height = DT_INST_PROP(inst, height), \
.ready_time_ms = DT_INST_PROP(inst, ready_time_ms), \
}; \
\
static struct st7789v_data st7789v_data_ ## inst = { \

8
dts/bindings/display/sitronix,st7789v.yaml
View File

@ -96,5 +96,13 @@ properties:
required: true
description: RGB Interface Control Parameter
ready-time-ms:
type: int
default: 40
description: |
Time it takes for the device from power up to become responsive and
accepting commands. Defaults to 40ms (found by trial and error) if not
provided.
mipi-mode:
required: true