diff options
Diffstat (limited to 'arch/arm/mach-omap2/mux.c')
| -rw-r--r-- | arch/arm/mach-omap2/mux.c | 359 |
1 files changed, 35 insertions, 324 deletions
diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c index 8b3d26935a39..074536ae401f 100644 --- a/arch/arm/mach-omap2/mux.c +++ b/arch/arm/mach-omap2/mux.c @@ -23,12 +23,11 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ -#include <linux/module.h> +#include <linux/kernel.h> #include <linux/init.h> #include <linux/io.h> -#include <linux/slab.h> -#include <linux/spinlock.h> #include <linux/list.h> +#include <linux/slab.h> #include <linux/ctype.h> #include <linux/debugfs.h> #include <linux/seq_file.h> @@ -36,13 +35,12 @@ #include <asm/system.h> -#include <plat/control.h> -#include <plat/mux.h> - +#include "control.h" #include "mux.h" #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 +49,7 @@ 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) { @@ -76,301 +75,6 @@ void omap_mux_write_array(struct omap_board_mux *board_mux) } } -#if defined(CONFIG_ARCH_OMAP2) && defined(CONFIG_OMAP_MUX) - -static struct omap_mux_cfg arch_mux_cfg; - -/* NOTE: See mux.h for the enumeration */ - -static struct pin_config __initdata_or_module omap24xx_pins[] = { -/* - * description mux mux pull pull debug - * offset mode ena type - */ - -/* 24xx I2C */ -MUX_CFG_24XX("M19_24XX_I2C1_SCL", 0x111, 0, 0, 0, 1) -MUX_CFG_24XX("L15_24XX_I2C1_SDA", 0x112, 0, 0, 0, 1) -MUX_CFG_24XX("J15_24XX_I2C2_SCL", 0x113, 0, 0, 1, 1) -MUX_CFG_24XX("H19_24XX_I2C2_SDA", 0x114, 0, 0, 0, 1) - -/* Menelaus interrupt */ -MUX_CFG_24XX("W19_24XX_SYS_NIRQ", 0x12c, 0, 1, 1, 1) - -/* 24xx clocks */ -MUX_CFG_24XX("W14_24XX_SYS_CLKOUT", 0x137, 0, 1, 1, 1) - -/* 24xx GPMC chipselects, wait pin monitoring */ -MUX_CFG_24XX("E2_GPMC_NCS2", 0x08e, 0, 1, 1, 1) -MUX_CFG_24XX("L2_GPMC_NCS7", 0x093, 0, 1, 1, 1) -MUX_CFG_24XX("L3_GPMC_WAIT0", 0x09a, 0, 1, 1, 1) -MUX_CFG_24XX("N7_GPMC_WAIT1", 0x09b, 0, 1, 1, 1) -MUX_CFG_24XX("M1_GPMC_WAIT2", 0x09c, 0, 1, 1, 1) -MUX_CFG_24XX("P1_GPMC_WAIT3", 0x09d, 0, 1, 1, 1) - -/* 24xx McBSP */ -MUX_CFG_24XX("Y15_24XX_MCBSP2_CLKX", 0x124, 1, 1, 0, 1) -MUX_CFG_24XX("R14_24XX_MCBSP2_FSX", 0x125, 1, 1, 0, 1) -MUX_CFG_24XX("W15_24XX_MCBSP2_DR", 0x126, 1, 1, 0, 1) -MUX_CFG_24XX("V15_24XX_MCBSP2_DX", 0x127, 1, 1, 0, 1) - -/* 24xx GPIO */ -MUX_CFG_24XX("M21_242X_GPIO11", 0x0c9, 3, 1, 1, 1) -MUX_CFG_24XX("P21_242X_GPIO12", 0x0ca, 3, 0, 0, 1) -MUX_CFG_24XX("AA10_242X_GPIO13", 0x0e5, 3, 0, 0, 1) -MUX_CFG_24XX("AA6_242X_GPIO14", 0x0e6, 3, 0, 0, 1) -MUX_CFG_24XX("AA4_242X_GPIO15", 0x0e7, 3, 0, 0, 1) -MUX_CFG_24XX("Y11_242X_GPIO16", 0x0e8, 3, 0, 0, 1) -MUX_CFG_24XX("AA12_242X_GPIO17", 0x0e9, 3, 0, 0, 1) -MUX_CFG_24XX("AA8_242X_GPIO58", 0x0ea, 3, 0, 0, 1) -MUX_CFG_24XX("Y20_24XX_GPIO60", 0x12c, 3, 0, 0, 1) -MUX_CFG_24XX("W4__24XX_GPIO74", 0x0f2, 3, 0, 0, 1) -MUX_CFG_24XX("N15_24XX_GPIO85", 0x103, 3, 0, 0, 1) -MUX_CFG_24XX("M15_24XX_GPIO92", 0x10a, 3, 0, 0, 1) -MUX_CFG_24XX("P20_24XX_GPIO93", 0x10b, 3, 0, 0, 1) -MUX_CFG_24XX("P18_24XX_GPIO95", 0x10d, 3, 0, 0, 1) -MUX_CFG_24XX("M18_24XX_GPIO96", 0x10e, 3, 0, 0, 1) -MUX_CFG_24XX("L14_24XX_GPIO97", 0x10f, 3, 0, 0, 1) -MUX_CFG_24XX("J15_24XX_GPIO99", 0x113, 3, 1, 1, 1) -MUX_CFG_24XX("V14_24XX_GPIO117", 0x128, 3, 1, 0, 1) -MUX_CFG_24XX("P14_24XX_GPIO125", 0x140, 3, 1, 1, 1) - -/* 242x DBG GPIO */ -MUX_CFG_24XX("V4_242X_GPIO49", 0xd3, 3, 0, 0, 1) -MUX_CFG_24XX("W2_242X_GPIO50", 0xd4, 3, 0, 0, 1) -MUX_CFG_24XX("U4_242X_GPIO51", 0xd5, 3, 0, 0, 1) -MUX_CFG_24XX("V3_242X_GPIO52", 0xd6, 3, 0, 0, 1) -MUX_CFG_24XX("V2_242X_GPIO53", 0xd7, 3, 0, 0, 1) -MUX_CFG_24XX("V6_242X_GPIO53", 0xcf, 3, 0, 0, 1) -MUX_CFG_24XX("T4_242X_GPIO54", 0xd8, 3, 0, 0, 1) -MUX_CFG_24XX("Y4_242X_GPIO54", 0xd0, 3, 0, 0, 1) -MUX_CFG_24XX("T3_242X_GPIO55", 0xd9, 3, 0, 0, 1) -MUX_CFG_24XX("U2_242X_GPIO56", 0xda, 3, 0, 0, 1) - -/* 24xx external DMA requests */ -MUX_CFG_24XX("AA10_242X_DMAREQ0", 0x0e5, 2, 0, 0, 1) -MUX_CFG_24XX("AA6_242X_DMAREQ1", 0x0e6, 2, 0, 0, 1) -MUX_CFG_24XX("E4_242X_DMAREQ2", 0x074, 2, 0, 0, 1) -MUX_CFG_24XX("G4_242X_DMAREQ3", 0x073, 2, 0, 0, 1) -MUX_CFG_24XX("D3_242X_DMAREQ4", 0x072, 2, 0, 0, 1) -MUX_CFG_24XX("E3_242X_DMAREQ5", 0x071, 2, 0, 0, 1) - -/* UART3 */ -MUX_CFG_24XX("K15_24XX_UART3_TX", 0x118, 0, 0, 0, 1) -MUX_CFG_24XX("K14_24XX_UART3_RX", 0x119, 0, 0, 0, 1) - -/* MMC/SDIO */ -MUX_CFG_24XX("G19_24XX_MMC_CLKO", 0x0f3, 0, 0, 0, 1) -MUX_CFG_24XX("H18_24XX_MMC_CMD", 0x0f4, 0, 0, 0, 1) -MUX_CFG_24XX("F20_24XX_MMC_DAT0", 0x0f5, 0, 0, 0, 1) -MUX_CFG_24XX("H14_24XX_MMC_DAT1", 0x0f6, 0, 0, 0, 1) -MUX_CFG_24XX("E19_24XX_MMC_DAT2", 0x0f7, 0, 0, 0, 1) -MUX_CFG_24XX("D19_24XX_MMC_DAT3", 0x0f8, 0, 0, 0, 1) -MUX_CFG_24XX("F19_24XX_MMC_DAT_DIR0", 0x0f9, 0, 0, 0, 1) -MUX_CFG_24XX("E20_24XX_MMC_DAT_DIR1", 0x0fa, 0, 0, 0, 1) -MUX_CFG_24XX("F18_24XX_MMC_DAT_DIR2", 0x0fb, 0, 0, 0, 1) -MUX_CFG_24XX("E18_24XX_MMC_DAT_DIR3", 0x0fc, 0, 0, 0, 1) -MUX_CFG_24XX("G18_24XX_MMC_CMD_DIR", 0x0fd, 0, 0, 0, 1) -MUX_CFG_24XX("H15_24XX_MMC_CLKI", 0x0fe, 0, 0, 0, 1) - -/* Full speed USB */ -MUX_CFG_24XX("J20_24XX_USB0_PUEN", 0x11d, 0, 0, 0, 1) -MUX_CFG_24XX("J19_24XX_USB0_VP", 0x11e, 0, 0, 0, 1) -MUX_CFG_24XX("K20_24XX_USB0_VM", 0x11f, 0, 0, 0, 1) -MUX_CFG_24XX("J18_24XX_USB0_RCV", 0x120, 0, 0, 0, 1) -MUX_CFG_24XX("K19_24XX_USB0_TXEN", 0x121, 0, 0, 0, 1) -MUX_CFG_24XX("J14_24XX_USB0_SE0", 0x122, 0, 0, 0, 1) -MUX_CFG_24XX("K18_24XX_USB0_DAT", 0x123, 0, 0, 0, 1) - -MUX_CFG_24XX("N14_24XX_USB1_SE0", 0x0ed, 2, 0, 0, 1) -MUX_CFG_24XX("W12_24XX_USB1_SE0", 0x0dd, 3, 0, 0, 1) -MUX_CFG_24XX("P15_24XX_USB1_DAT", 0x0ee, 2, 0, 0, 1) -MUX_CFG_24XX("R13_24XX_USB1_DAT", 0x0e0, 3, 0, 0, 1) -MUX_CFG_24XX("W20_24XX_USB1_TXEN", 0x0ec, 2, 0, 0, 1) -MUX_CFG_24XX("P13_24XX_USB1_TXEN", 0x0df, 3, 0, 0, 1) -MUX_CFG_24XX("V19_24XX_USB1_RCV", 0x0eb, 2, 0, 0, 1) -MUX_CFG_24XX("V12_24XX_USB1_RCV", 0x0de, 3, 0, 0, 1) - -MUX_CFG_24XX("AA10_24XX_USB2_SE0", 0x0e5, 2, 0, 0, 1) -MUX_CFG_24XX("Y11_24XX_USB2_DAT", 0x0e8, 2, 0, 0, 1) -MUX_CFG_24XX("AA12_24XX_USB2_TXEN", 0x0e9, 2, 0, 0, 1) -MUX_CFG_24XX("AA6_24XX_USB2_RCV", 0x0e6, 2, 0, 0, 1) -MUX_CFG_24XX("AA4_24XX_USB2_TLLSE0", 0x0e7, 2, 0, 0, 1) - -/* Keypad GPIO*/ -MUX_CFG_24XX("T19_24XX_KBR0", 0x106, 3, 1, 1, 1) -MUX_CFG_24XX("R19_24XX_KBR1", 0x107, 3, 1, 1, 1) -MUX_CFG_24XX("V18_24XX_KBR2", 0x139, 3, 1, 1, 1) -MUX_CFG_24XX("M21_24XX_KBR3", 0xc9, 3, 1, 1, 1) -MUX_CFG_24XX("E5__24XX_KBR4", 0x138, 3, 1, 1, 1) -MUX_CFG_24XX("M18_24XX_KBR5", 0x10e, 3, 1, 1, 1) -MUX_CFG_24XX("R20_24XX_KBC0", 0x108, 3, 0, 0, 1) -MUX_CFG_24XX("M14_24XX_KBC1", 0x109, 3, 0, 0, 1) -MUX_CFG_24XX("H19_24XX_KBC2", 0x114, 3, 0, 0, 1) -MUX_CFG_24XX("V17_24XX_KBC3", 0x135, 3, 0, 0, 1) -MUX_CFG_24XX("P21_24XX_KBC4", 0xca, 3, 0, 0, 1) -MUX_CFG_24XX("L14_24XX_KBC5", 0x10f, 3, 0, 0, 1) -MUX_CFG_24XX("N19_24XX_KBC6", 0x110, 3, 0, 0, 1) - -/* 24xx Menelaus Keypad GPIO */ -MUX_CFG_24XX("B3__24XX_KBR5", 0x30, 3, 1, 1, 1) -MUX_CFG_24XX("AA4_24XX_KBC2", 0xe7, 3, 0, 0, 1) -MUX_CFG_24XX("B13_24XX_KBC6", 0x110, 3, 0, 0, 1) - -/* 2430 USB */ -MUX_CFG_24XX("AD9_2430_USB0_PUEN", 0x133, 4, 0, 0, 1) -MUX_CFG_24XX("Y11_2430_USB0_VP", 0x134, 4, 0, 0, 1) -MUX_CFG_24XX("AD7_2430_USB0_VM", 0x135, 4, 0, 0, 1) -MUX_CFG_24XX("AE7_2430_USB0_RCV", 0x136, 4, 0, 0, 1) -MUX_CFG_24XX("AD4_2430_USB0_TXEN", 0x137, 4, 0, 0, 1) -MUX_CFG_24XX("AF9_2430_USB0_SE0", 0x138, 4, 0, 0, 1) -MUX_CFG_24XX("AE6_2430_USB0_DAT", 0x139, 4, 0, 0, 1) -MUX_CFG_24XX("AD24_2430_USB1_SE0", 0x107, 2, 0, 0, 1) -MUX_CFG_24XX("AB24_2430_USB1_RCV", 0x108, 2, 0, 0, 1) -MUX_CFG_24XX("Y25_2430_USB1_TXEN", 0x109, 2, 0, 0, 1) -MUX_CFG_24XX("AA26_2430_USB1_DAT", 0x10A, 2, 0, 0, 1) - -/* 2430 HS-USB */ -MUX_CFG_24XX("AD9_2430_USB0HS_DATA3", 0x133, 0, 0, 0, 1) -MUX_CFG_24XX("Y11_2430_USB0HS_DATA4", 0x134, 0, 0, 0, 1) -MUX_CFG_24XX("AD7_2430_USB0HS_DATA5", 0x135, 0, 0, 0, 1) -MUX_CFG_24XX("AE7_2430_USB0HS_DATA6", 0x136, 0, 0, 0, 1) -MUX_CFG_24XX("AD4_2430_USB0HS_DATA2", 0x137, 0, 0, 0, 1) -MUX_CFG_24XX("AF9_2430_USB0HS_DATA0", 0x138, 0, 0, 0, 1) -MUX_CFG_24XX("AE6_2430_USB0HS_DATA1", 0x139, 0, 0, 0, 1) -MUX_CFG_24XX("AE8_2430_USB0HS_CLK", 0x13A, 0, 0, 0, 1) -MUX_CFG_24XX("AD8_2430_USB0HS_DIR", 0x13B, 0, 0, 0, 1) -MUX_CFG_24XX("AE5_2430_USB0HS_STP", 0x13c, 0, 1, 1, 1) -MUX_CFG_24XX("AE9_2430_USB0HS_NXT", 0x13D, 0, 0, 0, 1) -MUX_CFG_24XX("AC7_2430_USB0HS_DATA7", 0x13E, 0, 0, 0, 1) - -/* 2430 McBSP */ -MUX_CFG_24XX("AD6_2430_MCBSP_CLKS", 0x011E, 0, 0, 0, 1) - -MUX_CFG_24XX("AB2_2430_MCBSP1_CLKR", 0x011A, 0, 0, 0, 1) -MUX_CFG_24XX("AD5_2430_MCBSP1_FSR", 0x011B, 0, 0, 0, 1) -MUX_CFG_24XX("AA1_2430_MCBSP1_DX", 0x011C, 0, 0, 0, 1) -MUX_CFG_24XX("AF3_2430_MCBSP1_DR", 0x011D, 0, 0, 0, 1) -MUX_CFG_24XX("AB3_2430_MCBSP1_FSX", 0x011F, 0, 0, 0, 1) -MUX_CFG_24XX("Y9_2430_MCBSP1_CLKX", 0x0120, 0, 0, 0, 1) - -MUX_CFG_24XX("AC10_2430_MCBSP2_FSX", 0x012E, 1, 0, 0, 1) -MUX_CFG_24XX("AD16_2430_MCBSP2_CLX", 0x012F, 1, 0, 0, 1) -MUX_CFG_24XX("AE13_2430_MCBSP2_DX", 0x0130, 1, 0, 0, 1) -MUX_CFG_24XX("AD13_2430_MCBSP2_DR", 0x0131, 1, 0, 0, 1) -MUX_CFG_24XX("AC10_2430_MCBSP2_FSX_OFF",0x012E, 0, 0, 0, 1) -MUX_CFG_24XX("AD16_2430_MCBSP2_CLX_OFF",0x012F, 0, 0, 0, 1) -MUX_CFG_24XX("AE13_2430_MCBSP2_DX_OFF", 0x0130, 0, 0, 0, 1) -MUX_CFG_24XX("AD13_2430_MCBSP2_DR_OFF", 0x0131, 0, 0, 0, 1) - -MUX_CFG_24XX("AC9_2430_MCBSP3_CLKX", 0x0103, 0, 0, 0, 1) -MUX_CFG_24XX("AE4_2430_MCBSP3_FSX", 0x0104, 0, 0, 0, 1) -MUX_CFG_24XX("AE2_2430_MCBSP3_DR", 0x0105, 0, 0, 0, 1) -MUX_CFG_24XX("AF4_2430_MCBSP3_DX", 0x0106, 0, 0, 0, 1) - -MUX_CFG_24XX("N3_2430_MCBSP4_CLKX", 0x010B, 1, 0, 0, 1) -MUX_CFG_24XX("AD23_2430_MCBSP4_DR", 0x010C, 1, 0, 0, 1) -MUX_CFG_24XX("AB25_2430_MCBSP4_DX", 0x010D, 1, 0, 0, 1) -MUX_CFG_24XX("AC25_2430_MCBSP4_FSX", 0x010E, 1, 0, 0, 1) - -MUX_CFG_24XX("AE16_2430_MCBSP5_CLKX", 0x00ED, 1, 0, 0, 1) -MUX_CFG_24XX("AF12_2430_MCBSP5_FSX", 0x00ED, 1, 0, 0, 1) -MUX_CFG_24XX("K7_2430_MCBSP5_DX", 0x00EF, 1, 0, 0, 1) -MUX_CFG_24XX("M1_2430_MCBSP5_DR", 0x00F0, 1, 0, 0, 1) - -/* 2430 MCSPI1 */ -MUX_CFG_24XX("Y18_2430_MCSPI1_CLK", 0x010F, 0, 0, 0, 1) -MUX_CFG_24XX("AD15_2430_MCSPI1_SIMO", 0x0110, 0, 0, 0, 1) -MUX_CFG_24XX("AE17_2430_MCSPI1_SOMI", 0x0111, 0, 0, 0, 1) -MUX_CFG_24XX("U1_2430_MCSPI1_CS0", 0x0112, 0, 0, 0, 1) - -/* Touchscreen GPIO */ -MUX_CFG_24XX("AF19_2430_GPIO_85", 0x0113, 3, 0, 0, 1) - -}; - -#define OMAP24XX_PINS_SZ ARRAY_SIZE(omap24xx_pins) - -#if defined(CONFIG_OMAP_MUX_DEBUG) || defined(CONFIG_OMAP_MUX_WARNINGS) - -static void __init_or_module omap2_cfg_debug(const struct pin_config *cfg, u16 reg) -{ - u16 orig; - u8 warn = 0, debug = 0; - - orig = omap_mux_read(cfg->mux_reg - OMAP_MUX_BASE_OFFSET); - -#ifdef CONFIG_OMAP_MUX_DEBUG - debug = cfg->debug; -#endif - warn = (orig != reg); - if (debug || warn) - printk(KERN_WARNING - "MUX: setup %s (0x%p): 0x%04x -> 0x%04x\n", - cfg->name, omap_ctrl_base_get() + cfg->mux_reg, - orig, reg); -} -#else -#define omap2_cfg_debug(x, y) do {} while (0) -#endif - -static int __init_or_module omap24xx_cfg_reg(const struct pin_config *cfg) -{ - static DEFINE_SPINLOCK(mux_spin_lock); - unsigned long flags; - u8 reg = 0; - - spin_lock_irqsave(&mux_spin_lock, flags); - reg |= cfg->mask & 0x7; - if (cfg->pull_val) - reg |= OMAP2_PULL_ENA; - if (cfg->pu_pd_val) - reg |= OMAP2_PULL_UP; - omap2_cfg_debug(cfg, reg); - omap_mux_write(reg, cfg->mux_reg - OMAP_MUX_BASE_OFFSET); - spin_unlock_irqrestore(&mux_spin_lock, flags); - - return 0; -} - -int __init omap2_mux_init(void) -{ - u32 mux_pbase; - - if (cpu_is_omap2420()) - mux_pbase = OMAP2420_CTRL_BASE + OMAP_MUX_BASE_OFFSET; - else if (cpu_is_omap2430()) - mux_pbase = OMAP243X_CTRL_BASE + OMAP_MUX_BASE_OFFSET; - else - return -ENODEV; - - mux_base = ioremap(mux_pbase, OMAP_MUX_BASE_SZ); - if (!mux_base) { - printk(KERN_ERR "mux: Could not ioremap\n"); - return -ENODEV; - } - - if (cpu_is_omap24xx()) { - arch_mux_cfg.pins = omap24xx_pins; - arch_mux_cfg.size = OMAP24XX_PINS_SZ; - arch_mux_cfg.cfg_reg = omap24xx_cfg_reg; - - return omap_mux_register(&arch_mux_cfg); - } - - return 0; -} - -#else -int __init omap2_mux_init(void) -{ - return 0; -} -#endif /* CONFIG_OMAP_MUX */ - -/*----------------------------------------------------------------------------*/ - -#ifdef CONFIG_ARCH_OMAP3 static LIST_HEAD(muxmodes); static DEFINE_MUTEX(muxmode_mutex); @@ -381,6 +85,9 @@ static char *omap_mux_options; int __init omap_mux_init_gpio(int gpio, int val) { struct omap_mux_entry *e; + struct omap_mux *gpio_mux = NULL; + u16 old_mode; + u16 mux_mode; int found = 0; if (!gpio) @@ -389,44 +96,45 @@ int __init omap_mux_init_gpio(int gpio, int val) list_for_each_entry(e, &muxmodes, node) { struct omap_mux *m = &e->mux; if (gpio == m->gpio) { - u16 old_mode; - u16 mux_mode; - - old_mode = omap_mux_read(m->reg_offset); - mux_mode = val & ~(OMAP_MUX_NR_MODES - 1); - 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); - omap_mux_write(mux_mode, m->reg_offset); + gpio_mux = m; found++; } } - if (found == 1) - return 0; + if (found == 0) { + printk(KERN_ERR "mux: Could not set gpio%i\n", gpio); + return -ENODEV; + } if (found > 1) { - printk(KERN_ERR "mux: Multiple gpio paths for gpio%i\n", gpio); + printk(KERN_INFO "mux: Multiple gpio paths (%d) for gpio%i\n", + found, gpio); return -EINVAL; } - printk(KERN_ERR "mux: Could not set gpio%i\n", gpio); + old_mode = omap_mux_read(gpio_mux->reg_offset); + mux_mode = val & ~(OMAP_MUX_NR_MODES - 1); + 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", + gpio_mux->muxnames[0], gpio, old_mode, mux_mode); + omap_mux_write(mux_mode, gpio_mux->reg_offset); - return -ENODEV; + return 0; } -int __init omap_mux_init_signal(char *muxname, int val) +int __init omap_mux_init_signal(const char *muxname, int val) { struct omap_mux_entry *e; - char *m0_name = NULL, *mode_name = NULL; - int found = 0; + const char *mode_name; + int found = 0, mode0_len = 0; mode_name = strchr(muxname, '.'); if (mode_name) { - *mode_name = '\0'; + mode0_len = strlen(muxname) - strlen(mode_name); mode_name++; - m0_name = muxname; } else { mode_name = muxname; } @@ -436,9 +144,11 @@ int __init omap_mux_init_signal(char *muxname, int val) char *m0_entry = m->muxnames[0]; int i; - if (m0_name && strcmp(m0_name, m0_entry)) + /* First check for full name in mode0.muxmode format */ + if (mode0_len && strncmp(muxname, m0_entry, mode0_len)) continue; + /* Then check for muxmode only */ for (i = 0; i < OMAP_MUX_NR_MODES; i++) { char *mode_cur = m->muxnames[i]; @@ -1032,6 +742,9 @@ 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); @@ -1039,5 +752,3 @@ int __init omap_mux_init(u32 mux_pbase, u32 mux_size, return 0; } -#endif /* CONFIG_ARCH_OMAP3 */ - |