Looks like 24xx uses mode3 instead of mode4 for muxable GPIO pins. This will be needed when 24xx mux code is converted to use the new mux functions.
Signed-off-by: Tony Lindgren <[email protected]> --- arch/arm/mach-omap2/mux.c | 10 +++++++++- 1 files changed, 9 insertions(+), 1 deletions(-) diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c index 8b3d269..76b5bf7 100644 --- a/arch/arm/mach-omap2/mux.c +++ b/arch/arm/mach-omap2/mux.c @@ -43,6 +43,7 @@ #define OMAP_MUX_BASE_OFFSET 0x30 /* Offset from CTRL_BASE */ #define OMAP_MUX_BASE_SZ 0x5ca +#define MUXABLE_GPIO_MODE3 BIT(0) struct omap_mux_entry { struct omap_mux mux; @@ -51,6 +52,7 @@ struct omap_mux_entry { static unsigned long mux_phys; static void __iomem *mux_base; +static u8 omap_mux_flags; u16 omap_mux_read(u16 reg) { @@ -394,7 +396,10 @@ int __init omap_mux_init_gpio(int gpio, int val) old_mode = omap_mux_read(m->reg_offset); mux_mode = val & ~(OMAP_MUX_NR_MODES - 1); - mux_mode |= OMAP_MUX_MODE4; + if (omap_mux_flags & MUXABLE_GPIO_MODE3) + mux_mode |= OMAP_MUX_MODE3; + else + mux_mode |= OMAP_MUX_MODE4; printk(KERN_DEBUG "mux: Setting signal " "%s.gpio%i 0x%04x -> 0x%04x\n", m->muxnames[0], gpio, old_mode, mux_mode); @@ -1032,6 +1037,9 @@ int __init omap_mux_init(u32 mux_pbase, u32 mux_size, return -ENODEV; } + if (cpu_is_omap24xx()) + omap_mux_flags = MUXABLE_GPIO_MODE3; + omap_mux_init_package(superset, package_subset, package_balls); omap_mux_init_list(superset); omap_mux_init_signals(board_mux); -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
