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arm/dts: OMAP4: Add gpio nodes

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Add the 6 GPIOs controller nodes present in OMAP4.

Remove gpio static device initialisation if DT is populated.

Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Cc: Grant Likely <grant.likely@secretlab.ca>
This commit is contained in:
Benoit Cousson 2011-08-16 11:51:54 +02:00
parent 93651b85bb
commit e3e5a92db4
2 changed files with 60 additions and 2 deletions
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54
arch/arm/boot/dts/omap4.dtsi
View File

@ -104,6 +104,60 @@
<0x48240100 0x0100>;
};
gpio1: gpio@4a310000 {
compatible = "ti,omap4-gpio";
ti,hwmods = "gpio1";
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <1>;
};
gpio2: gpio@48055000 {
compatible = "ti,omap4-gpio";
ti,hwmods = "gpio2";
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <1>;
};
gpio3: gpio@48057000 {
compatible = "ti,omap4-gpio";
ti,hwmods = "gpio3";
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <1>;
};
gpio4: gpio@48059000 {
compatible = "ti,omap4-gpio";
ti,hwmods = "gpio4";
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <1>;
};
gpio5: gpio@4805b000 {
compatible = "ti,omap4-gpio";
ti,hwmods = "gpio5";
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <1>;
};
gpio6: gpio@4805d000 {
compatible = "ti,omap4-gpio";
ti,hwmods = "gpio6";
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <1>;
};
uart1: serial@4806a000 {
compatible = "ti,omap4-uart";
ti,hwmods = "uart1";

8
arch/arm/mach-omap2/gpio.c
View File

@ -20,6 +20,7 @@
#include <linux/err.h>
#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/of.h>
#include <plat/omap_hwmod.h>
#include <plat/omap_device.h>
@ -122,7 +123,10 @@ static int omap2_gpio_dev_init(struct omap_hwmod *oh, void *unused)
*/
static int __init omap2_gpio_init(void)
{
return omap_hwmod_for_each_by_class("gpio", omap2_gpio_dev_init,
NULL);
/* If dtb is there, the devices will be created dynamically */
if (of_have_populated_dt())
return -ENODEV;
return omap_hwmod_for_each_by_class("gpio", omap2_gpio_dev_init, NULL);
}
postcore_initcall(omap2_gpio_init);