diff options
| -rw-r--r-- | arch/arm/mach-omap2/control.c | 3 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/control.h | 3 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/pdata-quirks.c | 22 |
3 files changed, 28 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/control.c b/arch/arm/mach-omap2/control.c index af95a624fe71..f008930277ed 100644 --- a/arch/arm/mach-omap2/control.c +++ b/arch/arm/mach-omap2/control.c @@ -112,6 +112,7 @@ struct omap3_control_regs { u32 csirxfe; u32 iva2_bootaddr; u32 iva2_bootmod; + u32 wkup_ctrl; u32 debobs_0; u32 debobs_1; u32 debobs_2; @@ -455,6 +456,7 @@ void omap3_control_save_context(void) omap_ctrl_readl(OMAP343X_CONTROL_IVA2_BOOTADDR); control_context.iva2_bootmod = omap_ctrl_readl(OMAP343X_CONTROL_IVA2_BOOTMOD); + control_context.wkup_ctrl = omap_ctrl_readl(OMAP34XX_CONTROL_WKUP_CTRL); control_context.debobs_0 = omap_ctrl_readl(OMAP343X_CONTROL_DEBOBS(0)); control_context.debobs_1 = omap_ctrl_readl(OMAP343X_CONTROL_DEBOBS(1)); control_context.debobs_2 = omap_ctrl_readl(OMAP343X_CONTROL_DEBOBS(2)); @@ -512,6 +514,7 @@ void omap3_control_restore_context(void) OMAP343X_CONTROL_IVA2_BOOTADDR); omap_ctrl_writel(control_context.iva2_bootmod, OMAP343X_CONTROL_IVA2_BOOTMOD); + omap_ctrl_writel(control_context.wkup_ctrl, OMAP34XX_CONTROL_WKUP_CTRL); omap_ctrl_writel(control_context.debobs_0, OMAP343X_CONTROL_DEBOBS(0)); omap_ctrl_writel(control_context.debobs_1, OMAP343X_CONTROL_DEBOBS(1)); omap_ctrl_writel(control_context.debobs_2, OMAP343X_CONTROL_DEBOBS(2)); diff --git a/arch/arm/mach-omap2/control.h b/arch/arm/mach-omap2/control.h index 80d2b7d8e36e..ec406bc2c6d4 100644 --- a/arch/arm/mach-omap2/control.h +++ b/arch/arm/mach-omap2/control.h @@ -231,6 +231,9 @@ #define OMAP343X_PADCONF_ETK_D15 OMAP343X_PADCONF_ETK(17) /* 34xx GENERAL_WKUP register offsets */ +#define OMAP34XX_CONTROL_WKUP_CTRL (OMAP343X_CONTROL_GENERAL_WKUP - 0x4) +#define OMAP36XX_GPIO_IO_PWRDNZ BIT(6) + #define OMAP343X_CONTROL_WKUP_DEBOBSMUX(i) (OMAP343X_CONTROL_GENERAL_WKUP + \ 0x008 + (i)) #define OMAP343X_CONTROL_WKUP_DEBOBS0 (OMAP343X_CONTROL_GENERAL_WKUP + 0x008) diff --git a/arch/arm/mach-omap2/pdata-quirks.c b/arch/arm/mach-omap2/pdata-quirks.c index af11511dda50..821171cf6b7d 100644 --- a/arch/arm/mach-omap2/pdata-quirks.c +++ b/arch/arm/mach-omap2/pdata-quirks.c @@ -44,6 +44,27 @@ static void __init omap2420_n8x0_legacy_init(void) #endif #ifdef CONFIG_ARCH_OMAP3 +/* + * Configures GPIOs 126, 127 and 129 to 1.8V mode instead of 3.0V + * mode for MMC1 in case bootloader did not configure things. + * Note that if the pins are used for MMC1, pbias-regulator + * manages the IO voltage. + */ +static void __init omap3_gpio126_127_129(void) +{ + u32 reg; + + reg = omap_ctrl_readl(OMAP343X_CONTROL_PBIAS_LITE); + reg &= ~OMAP343X_PBIASLITEVMODE1; + reg |= OMAP343X_PBIASLITEPWRDNZ1; + omap_ctrl_writel(reg, OMAP343X_CONTROL_PBIAS_LITE); + if (cpu_is_omap3630()) { + reg = omap_ctrl_readl(OMAP34XX_CONTROL_WKUP_CTRL); + reg |= OMAP36XX_GPIO_IO_PWRDNZ; + omap_ctrl_writel(reg, OMAP34XX_CONTROL_WKUP_CTRL); + } +} + static void __init hsmmc2_internal_input_clk(void) { u32 reg; @@ -356,6 +377,7 @@ static struct pdata_init pdata_quirks[] __initdata = { { "nokia,omap3-n950", hsmmc2_internal_input_clk, }, { "isee,omap3-igep0020-rev-f", omap3_igep0020_rev_f_legacy_init, }, { "isee,omap3-igep0030-rev-g", omap3_igep0030_rev_g_legacy_init, }, + { "logicpd,dm3730-torpedo-devkit", omap3_gpio126_127_129, }, { "ti,omap3-evm-37xx", omap3_evm_legacy_init, }, { "ti,am3517-evm", am3517_evm_legacy_init, }, { "technexion,omap3-tao3530", omap3_tao3530_legacy_init, }, |