ARM: OMAP: Allow registering pin mux function
This patch changes pin multiplexing init to allow registering
custom function. The omap_cfg_reg() func will be split into
omap processor specific functions in later patch.
This is done to make adding omap3 pin multiplexing easier.
Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c
index 0575097..351baab 100644
--- a/arch/arm/mach-omap2/mux.c
+++ b/arch/arm/mach-omap2/mux.c
@@ -32,6 +32,8 @@
#ifdef CONFIG_OMAP_MUX
+static struct omap_mux_cfg arch_mux_cfg;
+
/* NOTE: See mux.h for the enumeration */
struct pin_config __initdata_or_module omap24xx_pins[] = {
@@ -169,10 +171,25 @@
};
+#ifdef CONFIG_ARCH_OMAP24XX
+int __init_or_module omap24xx_cfg_reg(const struct pin_config *cfg)
+{
+ return 0;
+}
+#endif
+
int __init omap2_mux_init(void)
{
- omap_mux_register(omap24xx_pins, ARRAY_SIZE(omap24xx_pins));
- return 0;
+
+#ifdef CONFIG_ARCH_OMAP24XX
+ if (cpu_is_omap24xx()) {
+ arch_mux_cfg.pins = omap24xx_pins;
+ arch_mux_cfg.size = ARRAY_SIZE(omap24xx_pins);
+ arch_mux_cfg.cfg_reg = omap24xx_cfg_reg;
+ }
+#endif
+
+ return omap_mux_register(&arch_mux_cfg);
}
#endif