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ARM: nomadik: move GPIO and pinctrl to device tree

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This moves the instances of the Nomadik pin controller and the
Nomadik GPIO blocks (also handled by the GPIO driver) over to
the device tree. A new compatible string is added to the
pin control driver in the process.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Linus Walleij 2013-01-05 23:10:09 +01:00
parent ba78520550
commit 6010d40320
3 changed files with 73 additions and 4 deletions
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52
arch/arm/boot/dts/ste-nomadik-stn8815.dtsi
View file

@ -35,6 +35,58 @@
interrupts = <5>;
};
gpio0: gpio@101e4000 {
compatible = "st,nomadik-gpio";
reg = <0x101e4000 0x80>;
interrupt-parent = <&vica>;
interrupts = <6>;
interrupt-controller;
#interrupt-cells = <2>;
gpio-controller;
#gpio-cells = <2>;
gpio-bank = <0>;
};
gpio1: gpio@101e5000 {
compatible = "st,nomadik-gpio";
reg = <0x101e5000 0x80>;
interrupt-parent = <&vica>;
interrupts = <7>;
interrupt-controller;
#interrupt-cells = <2>;
gpio-controller;
#gpio-cells = <2>;
gpio-bank = <1>;
};
gpio2: gpio@101e6000 {
compatible = "st,nomadik-gpio";
reg = <0x101e6000 0x80>;
interrupt-parent = <&vica>;
interrupts = <8>;
interrupt-controller;
#interrupt-cells = <2>;
gpio-controller;
#gpio-cells = <2>;
gpio-bank = <2>;
};
gpio3: gpio@101e7000 {
compatible = "st,nomadik-gpio";
reg = <0x101e7000 0x80>;
interrupt-parent = <&vica>;
interrupts = <9>;
interrupt-controller;
#interrupt-cells = <2>;
gpio-controller;
#gpio-cells = <2>;
gpio-bank = <3>;
};
pinctrl {
compatible = "stericsson,nmk-pinctrl-stn8815";
};
/* A NAND flash of 128 MiB */
fsmc: flash@40000000 {
compatible = "stericsson,fsmc-nand";

21
arch/arm/mach-nomadik/cpu-8815.c
View file

@ -153,13 +153,15 @@ static int __init cpu8815_init(void)
/* No custom data yet */
};
/* For e.g. device tree boots */
if (!machine_is_nomadik())
return 0;
cpu8815_add_gpios(cpu8815_gpio_base, ARRAY_SIZE(cpu8815_gpio_base),
IRQ_GPIO0, &pdata);
cpu8815_add_pinctrl(NULL, "pinctrl-stn8815");
if (machine_is_nomadik()) {
amba_apb_device_add(NULL, "rng", NOMADIK_RNG_BASE, SZ_4K, 0, 0, NULL, 0);
amba_apb_device_add(NULL, "rtc-pl031", NOMADIK_RTC_BASE, SZ_4K, IRQ_RTC_RTT, 0, NULL, 0);
}
amba_apb_device_add(NULL, "rng", NOMADIK_RNG_BASE, SZ_4K, 0, 0, NULL, 0);
amba_apb_device_add(NULL, "rtc-pl031", NOMADIK_RTC_BASE, SZ_4K, IRQ_RTC_RTT, 0, NULL, 0);
return 0;
}
arch_initcall(cpu8815_init);
@ -263,6 +265,16 @@ static struct fsmc_nand_platform_data cpu8815_nand_data = {
/* These are mostly to get the right device names for the clock lookups */
static struct of_dev_auxdata cpu8815_auxdata_lookup[] __initdata = {
OF_DEV_AUXDATA("st,nomadik-gpio", NOMADIK_GPIO0_BASE,
"gpio.0", NULL),
OF_DEV_AUXDATA("st,nomadik-gpio", NOMADIK_GPIO1_BASE,
"gpio.1", NULL),
OF_DEV_AUXDATA("st,nomadik-gpio", NOMADIK_GPIO2_BASE,
"gpio.2", NULL),
OF_DEV_AUXDATA("st,nomadik-gpio", NOMADIK_GPIO3_BASE,
"gpio.3", NULL),
OF_DEV_AUXDATA("stericsson,nmk-pinctrl-stn8815", 0,
"pinctrl-stn8815", NULL),
OF_DEV_AUXDATA("arm,primecell", NOMADIK_UART0_BASE,
"uart0", NULL),
OF_DEV_AUXDATA("arm,primecell", NOMADIK_UART1_BASE,
@ -283,6 +295,7 @@ static void __init cpu8815_init_of(void)
/* At full speed latency must be >=2, so 0x249 in low bits */
l2x0_of_init(0x00730249, 0xfe000fff);
#endif
pinctrl_register_mappings(nhk8815_pinmap, ARRAY_SIZE(nhk8815_pinmap));
of_platform_populate(NULL, of_default_bus_match_table,
cpu8815_auxdata_lookup, NULL);
}

4
drivers/pinctrl/pinctrl-nomadik.c
View file

@ -1845,6 +1845,10 @@ static struct pinctrl_desc nmk_pinctrl_desc = {
};
static const struct of_device_id nmk_pinctrl_match[] = {
{
.compatible = "stericsson,nmk-pinctrl-stn8815",
.data = (void *)PINCTRL_NMK_STN8815,
},
{
.compatible = "stericsson,nmk_pinctrl",
.data = (void *)PINCTRL_NMK_DB8500,