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-omap1/mux.c b/arch/arm/mach-omap1/mux.c
index 52c70e5..d74f679 100644
--- a/arch/arm/mach-omap1/mux.c
+++ b/arch/arm/mach-omap1/mux.c
@@ -32,6 +32,8 @@
#ifdef CONFIG_OMAP_MUX
+static struct omap_mux_cfg arch_mux_cfg;
+
#ifdef CONFIG_ARCH_OMAP730
struct pin_config __initdata_or_module omap730_pins[] = {
MUX_CFG_730("E2_730_KBR0", 12, 21, 0, 20, 1, 0)
@@ -310,18 +312,31 @@
};
#endif /* CONFIG_ARCH_OMAP15XX || CONFIG_ARCH_OMAP16XX */
+int __init_or_module omap1_cfg_reg(const struct pin_config *cfg)
+{
+ return 0;
+}
+
int __init omap1_mux_init(void)
{
#ifdef CONFIG_ARCH_OMAP730
- omap_mux_register(omap730_pins, ARRAY_SIZE(omap730_pins));
+ if (cpu_is_omap730()) {
+ arch_mux_cfg.pins = omap730_pins;
+ arch_mux_cfg.size = ARRAY_SIZE(omap730_pins);
+ arch_mux_cfg.cfg_reg = omap1_cfg_reg;
+ }
#endif
#if defined(CONFIG_ARCH_OMAP15XX) || defined(CONFIG_ARCH_OMAP16XX)
- omap_mux_register(omap1xxx_pins, ARRAY_SIZE(omap1xxx_pins));
+ if (cpu_is_omap15xx() || cpu_is_omap16xx()) {
+ arch_mux_cfg.pins = omap1xxx_pins;
+ arch_mux_cfg.size = ARRAY_SIZE(omap1xxx_pins);
+ arch_mux_cfg.cfg_reg = omap1_cfg_reg;
+ }
#endif
- return 0;
+ return omap_mux_register(&arch_mux_cfg);
}
#endif