* [PATCH] Add RTDM gpio driver for the OMAP family of SOCs
@ 2020-02-26 6:00 Greg Gallagher
2020-03-02 13:05 ` Jan Kiszka
0 siblings, 1 reply; 2+ messages in thread
From: Greg Gallagher @ 2020-02-26 6:00 UTC (permalink / raw)
To: xenomai
Add new gpio RTDM driver for OMAP family of SOCs, tested on beaglebone black
and beaglebone green (AM335x)
Signed-off-by: Greg Gallagher <greg@embeddedgreg.com>
---
kernel/drivers/gpio/Kconfig | 8 ++++++
kernel/drivers/gpio/Makefile | 2 ++
kernel/drivers/gpio/gpio-omap.c | 43 +++++++++++++++++++++++++++++++++
3 files changed, 53 insertions(+)
create mode 100644 kernel/drivers/gpio/gpio-omap.c
diff --git a/kernel/drivers/gpio/Kconfig b/kernel/drivers/gpio/Kconfig
index 48475f291..dbc862754 100644
--- a/kernel/drivers/gpio/Kconfig
+++ b/kernel/drivers/gpio/Kconfig
@@ -49,6 +49,14 @@ config XENO_DRIVERS_GPIO_XILINX
Enables support for the GPIO controller available from
Xilinx's softcore IP.
+config XENO_DRIVERS_GPIO_OMAP
+ depends on ARCH_OMAP2PLUS || ARCH_OMAP
+ tristate "Support for OMAP GPIOs"
+ help
+
+ Enables support for the GPIO controller available from
+ OMAP family SOC.
+
config XENO_DRIVERS_GPIO_DEBUG
bool "Enable GPIO core debugging features"
diff --git a/kernel/drivers/gpio/Makefile b/kernel/drivers/gpio/Makefile
index 8648fcca9..7bcf59949 100644
--- a/kernel/drivers/gpio/Makefile
+++ b/kernel/drivers/gpio/Makefile
@@ -5,6 +5,7 @@ obj-$(CONFIG_XENO_DRIVERS_GPIO_MXC) += xeno-gpio-mxc.o
obj-$(CONFIG_XENO_DRIVERS_GPIO_SUN8I_H3) += xeno-gpio-sun8i-h3.o
obj-$(CONFIG_XENO_DRIVERS_GPIO_ZYNQ7000) += xeno-gpio-zynq7000.o
obj-$(CONFIG_XENO_DRIVERS_GPIO_XILINX) += xeno-gpio-xilinx.o
+obj-$(CONFIG_XENO_DRIVERS_GPIO_OMAP) += xeno-gpio-omap.o
obj-$(CONFIG_XENO_DRIVERS_GPIO) += gpio-core.o
xeno-gpio-bcm2835-y := gpio-bcm2835.o
@@ -12,3 +13,4 @@ xeno-gpio-mxc-y := gpio-mxc.o
xeno-gpio-sun8i-h3-y := gpio-sun8i-h3.o
xeno-gpio-zynq7000-y := gpio-zynq7000.o
xeno-gpio-xilinx-y := gpio-xilinx.o
+xeno-gpio-omap-y := gpio-omap.o
diff --git a/kernel/drivers/gpio/gpio-omap.c b/kernel/drivers/gpio/gpio-omap.c
new file mode 100644
index 000000000..5f10278f3
--- /dev/null
+++ b/kernel/drivers/gpio/gpio-omap.c
@@ -0,0 +1,43 @@
+/**
+ * @note Copyright (C) 2020 Greg Gallagher <greg@embeddedgreg.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+#include <linux/module.h>
+#include <rtdm/gpio.h>
+
+#define RTDM_SUBCLASS_OMAP 6
+
+static const char *compat_array[] = {
+ "ti,omap4-gpio",
+ "ti,omap3-gpio",
+ "ti,omap2-gpio",
+};
+
+static int __init omap_gpio_init(void)
+{
+ return rtdm_gpiochip_scan_array_of(NULL, compat_array,
+ ARRAY_SIZE(compat_array),
+ RTDM_SUBCLASS_OMAP);
+}
+module_init(omap_gpio_init);
+
+static void __exit omap_gpio_exit(void)
+{
+ rtdm_gpiochip_remove_of(RTDM_SUBCLASS_OMAP);
+}
+module_exit(omap_gpio_exit);
+
+MODULE_LICENSE("GPL");
--
2.17.1
^ permalink raw reply related [flat|nested] 2+ messages in thread* Re: [PATCH] Add RTDM gpio driver for the OMAP family of SOCs
2020-02-26 6:00 [PATCH] Add RTDM gpio driver for the OMAP family of SOCs Greg Gallagher
@ 2020-03-02 13:05 ` Jan Kiszka
0 siblings, 0 replies; 2+ messages in thread
From: Jan Kiszka @ 2020-03-02 13:05 UTC (permalink / raw)
To: Greg Gallagher, xenomai
On 26.02.20 07:00, Greg Gallagher via Xenomai wrote:
> Add new gpio RTDM driver for OMAP family of SOCs, tested on beaglebone black
> and beaglebone green (AM335x)
>
> Signed-off-by: Greg Gallagher <greg@embeddedgreg.com>
> ---
> kernel/drivers/gpio/Kconfig | 8 ++++++
> kernel/drivers/gpio/Makefile | 2 ++
> kernel/drivers/gpio/gpio-omap.c | 43 +++++++++++++++++++++++++++++++++
> 3 files changed, 53 insertions(+)
> create mode 100644 kernel/drivers/gpio/gpio-omap.c
>
> diff --git a/kernel/drivers/gpio/Kconfig b/kernel/drivers/gpio/Kconfig
> index 48475f291..dbc862754 100644
> --- a/kernel/drivers/gpio/Kconfig
> +++ b/kernel/drivers/gpio/Kconfig
> @@ -49,6 +49,14 @@ config XENO_DRIVERS_GPIO_XILINX
> Enables support for the GPIO controller available from
> Xilinx's softcore IP.
>
> +config XENO_DRIVERS_GPIO_OMAP
> + depends on ARCH_OMAP2PLUS || ARCH_OMAP
> + tristate "Support for OMAP GPIOs"
> + help
> +
> + Enables support for the GPIO controller available from
> + OMAP family SOC.
> +
> config XENO_DRIVERS_GPIO_DEBUG
> bool "Enable GPIO core debugging features"
>
> diff --git a/kernel/drivers/gpio/Makefile b/kernel/drivers/gpio/Makefile
> index 8648fcca9..7bcf59949 100644
> --- a/kernel/drivers/gpio/Makefile
> +++ b/kernel/drivers/gpio/Makefile
> @@ -5,6 +5,7 @@ obj-$(CONFIG_XENO_DRIVERS_GPIO_MXC) += xeno-gpio-mxc.o
> obj-$(CONFIG_XENO_DRIVERS_GPIO_SUN8I_H3) += xeno-gpio-sun8i-h3.o
> obj-$(CONFIG_XENO_DRIVERS_GPIO_ZYNQ7000) += xeno-gpio-zynq7000.o
> obj-$(CONFIG_XENO_DRIVERS_GPIO_XILINX) += xeno-gpio-xilinx.o
> +obj-$(CONFIG_XENO_DRIVERS_GPIO_OMAP) += xeno-gpio-omap.o
> obj-$(CONFIG_XENO_DRIVERS_GPIO) += gpio-core.o
>
> xeno-gpio-bcm2835-y := gpio-bcm2835.o
> @@ -12,3 +13,4 @@ xeno-gpio-mxc-y := gpio-mxc.o
> xeno-gpio-sun8i-h3-y := gpio-sun8i-h3.o
> xeno-gpio-zynq7000-y := gpio-zynq7000.o
> xeno-gpio-xilinx-y := gpio-xilinx.o
> +xeno-gpio-omap-y := gpio-omap.o
> diff --git a/kernel/drivers/gpio/gpio-omap.c b/kernel/drivers/gpio/gpio-omap.c
> new file mode 100644
> index 000000000..5f10278f3
> --- /dev/null
> +++ b/kernel/drivers/gpio/gpio-omap.c
> @@ -0,0 +1,43 @@
> +/**
> + * @note Copyright (C) 2020 Greg Gallagher <greg@embeddedgreg.com>
> + *
> + * This program is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU General Public License as
> + * published by the Free Software Foundation; either version 2 of the
> + * License, or (at your option) any later version.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> + * GNU General Public License for more details.
> + *
> + * You should have received a copy of the GNU General Public License
> + * along with this program; if not, write to the Free Software
> + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
> + */
> +#include <linux/module.h>
> +#include <rtdm/gpio.h>
> +
> +#define RTDM_SUBCLASS_OMAP 6
> +
> +static const char *compat_array[] = {
> + "ti,omap4-gpio",
> + "ti,omap3-gpio",
> + "ti,omap2-gpio",
> +};
> +
> +static int __init omap_gpio_init(void)
> +{
> + return rtdm_gpiochip_scan_array_of(NULL, compat_array,
> + ARRAY_SIZE(compat_array),
> + RTDM_SUBCLASS_OMAP);
> +}
> +module_init(omap_gpio_init);
> +
> +static void __exit omap_gpio_exit(void)
> +{
> + rtdm_gpiochip_remove_of(RTDM_SUBCLASS_OMAP);
> +}
> +module_exit(omap_gpio_exit);
> +
> +MODULE_LICENSE("GPL");
>
Thanks, applied to next. Also enabled in CI.
Jan
--
Siemens AG, Corporate Technology, CT RDA IOT SES-DE
Corporate Competence Center Embedded Linux
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2020-03-02 13:05 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2020-02-26 6:00 [PATCH] Add RTDM gpio driver for the OMAP family of SOCs Greg Gallagher
2020-03-02 13:05 ` Jan Kiszka
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.