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sh: pfc: Dumb GPIO stringification. 

This implements fairly simplistic stringification of existing pinmux
GPIOs for easy enum id -> string mapping, which will subsequently be used
by the pinctrl support code.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt 2012-07-10 11:59:29 +09:00
parent a18d7f9660
commit 72c7afa10f
1 changed files with 3 additions and 1 deletions
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4
include/linux/sh_pfc.h
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@ -11,6 +11,7 @@
#ifndef __SH_PFC_H
#define __SH_PFC_H
#include <linux/stringify.h>
#include <asm-generic/gpio.h>
typedef unsigned short pinmux_enum_t;
@ -37,10 +38,11 @@ enum {
struct pinmux_gpio {
pinmux_enum_t enum_id;
pinmux_flag_t flags;
const char *name;
};
#define PINMUX_GPIO(gpio, data_or_mark) \
[gpio] = { .enum_id = data_or_mark, .flags = PINMUX_TYPE_NONE }
[gpio] = { .name = __stringify(gpio), .enum_id = data_or_mark, .flags = PINMUX_TYPE_NONE }
#define PINMUX_DATA(data_or_mark, ids...) data_or_mark, ids, 0