Adds a padconf offset retrieval api which will get us the padconf offset based on muxname provided which can be later used with omap_ctrl_writew, omap_ctrl_readw calls for remuxing signals. Cc: Tony Lindgren <tony@xxxxxxxxxxx> Signed-off-by: Govindraj.R <govindraj.raja@xxxxxx> --- Patch is based on earlier discussion with Tony http://marc.info/?l=linux-omap&m=127609369220618&w=2 arch/arm/mach-omap2/mux.c | 17 +++++++++++++++++ arch/arm/mach-omap2/mux.h | 6 ++++++ 2 files changed, 23 insertions(+), 0 deletions(-) diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c index 8b3d269..afe45ce 100644 --- a/arch/arm/mach-omap2/mux.c +++ b/arch/arm/mach-omap2/mux.c @@ -882,6 +882,23 @@ free: #endif /* CONFIG_OMAP_MUX */ +u16 omap_mux_request_signal(char *muxname) +{ + struct omap_mux_entry *e; + u16 offset = -EINVAL; + + list_for_each_entry(e, &muxmodes, node) { + struct omap_mux *m = &e->mux; + char *m0_entry = m->muxnames[0]; + + if (!strcmp(muxname, m0_entry)) { + offset = m->reg_offset + OMAP_MUX_BASE_OFFSET; + break; + } + } + return offset; +} + static u16 omap_mux_get_by_gpio(int gpio) { struct omap_mux_entry *e; diff --git a/arch/arm/mach-omap2/mux.h b/arch/arm/mach-omap2/mux.h index 480abc5..dc5e121 100644 --- a/arch/arm/mach-omap2/mux.h +++ b/arch/arm/mach-omap2/mux.h @@ -132,6 +132,12 @@ static inline int omap_mux_init_signal(char *muxname, int val) #endif /** + * omap_mux_request_signal - get mux register offset based on mux name + * @muxname: Mux name in mode0_name.signal_name format + */ +u16 omap_mux_request_signal(char *muxname); + +/** * omap_mux_get_gpio() - get mux register value based on GPIO number * @gpio: GPIO number * -- 1.6.3.3 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
