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drivers: ssd1306: convert to new GPIO API

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Convert SSD1306 sensor driver to new GPIO API.

Signed-off-by: Johann Fischer <j.fischer@phytec.de>
This commit is contained in:
Johann Fischer 2019-12-30 00:00:16 +01:00 • committed by Carles Cufí
commit 988a681a16
2 changed files with 11 additions and 7 deletions
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13
drivers/display/ssd1306.c
View file

@ -364,14 +364,12 @@ static int ssd1306_init_device(struct device *dev)
}; };
#ifdef DT_INST_0_SOLOMON_SSD1306FB_RESET_GPIOS_CONTROLLER #ifdef DT_INST_0_SOLOMON_SSD1306FB_RESET_GPIOS_CONTROLLER
gpio_pin_write(driver->reset,
DT_INST_0_SOLOMON_SSD1306FB_RESET_GPIOS_PIN, 1);
k_sleep(SSD1306_RESET_DELAY); k_sleep(SSD1306_RESET_DELAY);
gpio_pin_write(driver->reset, gpio_pin_set(driver->reset,
DT_INST_0_SOLOMON_SSD1306FB_RESET_GPIOS_PIN, 0); DT_INST_0_SOLOMON_SSD1306FB_RESET_GPIOS_PIN, 1);
k_sleep(SSD1306_RESET_DELAY); k_sleep(SSD1306_RESET_DELAY);
gpio_pin_write(driver->reset, gpio_pin_set(driver->reset,
DT_INST_0_SOLOMON_SSD1306FB_RESET_GPIOS_PIN, 1); DT_INST_0_SOLOMON_SSD1306FB_RESET_GPIOS_PIN, 0);
#endif #endif
/* Turn display off */ /* Turn display off */
@ -434,7 +432,8 @@ static int ssd1306_init(struct device *dev)
gpio_pin_configure(driver->reset, gpio_pin_configure(driver->reset,
DT_INST_0_SOLOMON_SSD1306FB_RESET_GPIOS_PIN, DT_INST_0_SOLOMON_SSD1306FB_RESET_GPIOS_PIN,
GPIO_DIR_OUT); GPIO_OUTPUT_INACTIVE |
DT_INST_0_SOLOMON_SSD1306FB_RESET_GPIOS_FLAGS);
#endif #endif
if (ssd1306_init_device(dev)) { if (ssd1306_init_device(dev)) {

5
dts/bindings/display/solomon,ssd1306fb.yaml
View file

@ -61,3 +61,8 @@ properties:
reset-gpios: reset-gpios:
type: phandle-array type: phandle-array
required: false required: false
description: RESET pin.
The RESET pin of SSD1306 is active low.
If connected directly the MCU pin should be configured
as active low.