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/Linux-v6.1/drivers/auxdisplay/
Dhd44780.c3 * HD44780 Character LCD driver for Linux
37 struct hd44780 { struct
44 struct hd44780 *hd = hdc->hd44780; in hd44780_backlight() argument
50 static void hd44780_strobe_gpio(struct hd44780 *hd) in hd44780_strobe_gpio()
64 static void hd44780_write_gpio8(struct hd44780 *hd, u8 val, unsigned int rs) in hd44780_write_gpio8()
80 static void hd44780_write_gpio4(struct hd44780 *hd, u8 val, unsigned int rs) in hd44780_write_gpio4()
108 struct hd44780 *hd = hdc->hd44780; in hd44780_write_cmd_gpio8()
119 struct hd44780 *hd = hdc->hd44780; in hd44780_write_data_gpio8()
147 struct hd44780 *hd = hdc->hd44780; in hd44780_write_cmd_gpio4()
159 struct hd44780 *hd = hdc->hd44780; in hd44780_write_cmd_raw_gpio4()
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DKconfig35 tristate "Common functions for HD44780 (and compatibles) LCD displays" if COMPILE_TEST
38 This is a module with the common symbols for HD44780 (and compatibles)
40 useful alone. If you have some sort of HD44780 compatible display,
44 config HD44780 config
45 tristate "HD44780 Character LCD support"
49 Enable support for Character LCDs using a HD44780 controller.
211 Say Y here if you have an HD44780 or KS-0074 LCD connected to your
DMakefile12 obj-$(CONFIG_HD44780) += hd44780.o
Dhd44780_common.h15 void *hd44780; member
Darm-charlcd.c4 * This is basically an Hitachi HD44780 LCD with a custom IP block to drive it
35 /* Hitachi HD44780 display commands */
Dpanel.c10 * The LCD module may either be an HD44780-like 8-bit parallel LCD, or a 1-bit
844 hdc->hd44780 = &lcd; in lcd_init()
/Linux-v6.1/Documentation/devicetree/bindings/auxdisplay/
Dhit,hd44780.yaml4 $id: http://devicetree.org/schemas/auxdisplay/hit,hd44780.yaml#
7 title: Hitachi HD44780 Character LCD Controller
13 The Hitachi HD44780 Character LCD Controller is commonly used on character
22 const: hit,hd44780
88 compatible = "hit,hd44780";
113 hd44780 {
114 compatible = "hit,hd44780";
/Linux-v6.1/arch/arm/boot/dts/
Dkirkwood-netgear_readynas_nv+_v2.dts117 compatible = "hit,hd44780";
Darmada-370-netgear-rn104.dts147 compatible = "hit,hd44780";
/Linux-v6.1/drivers/parisc/
Dled.c107 * HP seems to have used Sharp/Hitachi HD44780 LCDs most of the time. */