Hi--
On 2/25/24 13:34, Chris Packham wrote:
> Add a driver for a 7 segment LED display. At the moment only one
> character is supported but it should be possible to expand this to
> support more characters and/or 14 segment displays in the future.
>
> Signed-off-by: Chris Packham <chris.packham@xxxxxxxxxxxxxxxxxxx>
> ---
> drivers/auxdisplay/Kconfig | 7 ++
> drivers/auxdisplay/Makefile | 1 +
> drivers/auxdisplay/seg-led.c | 152 +++++++++++++++++++++++++++++++++++
> 3 files changed, 160 insertions(+)
> create mode 100644 drivers/auxdisplay/seg-led.c
>
> diff --git a/drivers/auxdisplay/Kconfig b/drivers/auxdisplay/Kconfig
> index d944d5298eca..e826b5b15881 100644
> --- a/drivers/auxdisplay/Kconfig
> +++ b/drivers/auxdisplay/Kconfig
> @@ -197,6 +197,13 @@ config ARM_CHARLCD
> line and the Linux version on the second line, but that's
> still useful.
>
> +config SEG_LED
> + bool "Generic 7 segment LED display"
> + select LINEDISP
> + help
> + This driver supports a generic 7 segment LED display made up
7-segment
> + of GPIO pins connected to the individual segments.
> +
> menuconfig PARPORT_PANEL
> tristate "Parallel port LCD/Keypad Panel support"
> depends on PARPORT
> diff --git a/drivers/auxdisplay/Makefile b/drivers/auxdisplay/Makefile
> index 6968ed4d3f0a..808fdf156bd5 100644
> --- a/drivers/auxdisplay/Makefile
> +++ b/drivers/auxdisplay/Makefile
> @@ -14,3 +14,4 @@ obj-$(CONFIG_HT16K33) += ht16k33.o
> obj-$(CONFIG_PARPORT_PANEL) += panel.o
> obj-$(CONFIG_LCD2S) += lcd2s.o
> obj-$(CONFIG_LINEDISP) += line-display.o
> +obj-$(CONFIG_SEG_LED) += seg-led.o
> diff --git a/drivers/auxdisplay/seg-led.c b/drivers/auxdisplay/seg-led.c
> new file mode 100644
> index 000000000000..c0b302a09cbb
> --- /dev/null
> +++ b/drivers/auxdisplay/seg-led.c
> @@ -0,0 +1,152 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Driver for a 7 segment LED display
> + *
> + * The GPIOs are wired to the 7 segments in a clock wise fashion starting from
> + * the top.
> + *
> + * -a-
> + * | |
> + * f b
> + * | |
> + * -g-
> + * | |
> + * e c
> + * | |
> + * -d-
> + *
> + * The decimal point LED presnet on some devices is currently not
present
> + * supported.
> + *
> + * Copyright (C) Allied Telesis Labs
> + */
--
#Randy
