diff options
Diffstat (limited to 'arch/arm/mach-omap2')
-rw-r--r-- | arch/arm/mach-omap2/omap_hwmod_44xx_data.c | 1 | ||||
-rw-r--r-- | arch/arm/mach-omap2/omap_phy_internal.c | 32 | ||||
-rw-r--r-- | arch/arm/mach-omap2/pm.c | 2 | ||||
-rw-r--r-- | arch/arm/mach-omap2/pm.h | 2 | ||||
-rw-r--r-- | arch/arm/mach-omap2/pm44xx.c | 7 | ||||
-rw-r--r-- | arch/arm/mach-omap2/vc.c | 2 |
6 files changed, 38 insertions, 8 deletions
diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c index 219fb075741..ce1661d18e5 100644 --- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c @@ -21,6 +21,7 @@ #include <linux/io.h> #include <linux/platform_data/gpio-omap.h> #include <linux/power/smartreflex.h> +#include <linux/platform_data/omap_ocp2scp.h> #include <linux/i2c-omap.h> #include <linux/omap-dma.h> diff --git a/arch/arm/mach-omap2/omap_phy_internal.c b/arch/arm/mach-omap2/omap_phy_internal.c index 4d76a3ca5bf..e237602e10e 100644 --- a/arch/arm/mach-omap2/omap_phy_internal.c +++ b/arch/arm/mach-omap2/omap_phy_internal.c @@ -33,6 +33,38 @@ #include "control.h" #include "usb.h" +#define CONTROL_DEV_CONF 0x300 +#define PHY_PD 0x1 + +/** + * omap4430_phy_power_down: disable MUSB PHY during early init + * + * OMAP4 MUSB PHY module is enabled by default on reset, but this will + * prevent core retention if not disabled by SW. USB driver will + * later on enable this, once and if the driver needs it. + */ +static int __init omap4430_phy_power_down(void) +{ + void __iomem *ctrl_base; + + if (!cpu_is_omap44xx()) + return 0; + + ctrl_base = ioremap(OMAP443X_SCM_BASE, SZ_1K); + if (!ctrl_base) { + pr_err("control module ioremap failed\n"); + return -ENOMEM; + } + + /* Power down the phy */ + __raw_writel(PHY_PD, ctrl_base + CONTROL_DEV_CONF); + + iounmap(ctrl_base); + + return 0; +} +early_initcall(omap4430_phy_power_down); + void am35x_musb_reset(void) { u32 regval; diff --git a/arch/arm/mach-omap2/pm.c b/arch/arm/mach-omap2/pm.c index e5a4c3a0acc..f4b3143a8b1 100644 --- a/arch/arm/mach-omap2/pm.c +++ b/arch/arm/mach-omap2/pm.c @@ -40,6 +40,7 @@ static struct omap_device_pm_latency *pm_lats; */ int (*omap_pm_suspend)(void); +#ifdef CONFIG_PM /** * struct omap2_oscillator - Describe the board main oscillator latencies * @startup_time: oscillator startup latency @@ -69,6 +70,7 @@ void omap_pm_get_oscillator(u32 *tstart, u32 *tshut) *tstart = oscillator.startup_time; *tshut = oscillator.shutdown_time; } +#endif static int __init _init_omap_device(char *name) { diff --git a/arch/arm/mach-omap2/pm.h b/arch/arm/mach-omap2/pm.h index 4db7b238a0d..02c291c8e47 100644 --- a/arch/arm/mach-omap2/pm.h +++ b/arch/arm/mach-omap2/pm.h @@ -135,7 +135,7 @@ extern void omap_pm_get_oscillator(u32 *tstart, u32 *tshut); extern void omap_pm_setup_sr_i2c_pcb_length(u32 mm); #else static inline void omap_pm_setup_oscillator(u32 tstart, u32 tshut) { } -static inline void omap_pm_get_oscillator(u32 *tstart, u32 *tshut) { } +static inline void omap_pm_get_oscillator(u32 *tstart, u32 *tshut) { *tstart = *tshut = 0; } static inline void omap_pm_setup_sr_i2c_pcb_length(u32 mm) { } #endif diff --git a/arch/arm/mach-omap2/pm44xx.c b/arch/arm/mach-omap2/pm44xx.c index 7da75aed151..aa6fd98f606 100644 --- a/arch/arm/mach-omap2/pm44xx.c +++ b/arch/arm/mach-omap2/pm44xx.c @@ -101,13 +101,6 @@ static int __init pwrdms_setup(struct powerdomain *pwrdm, void *unused) if (!strncmp(pwrdm->name, "cpu", 3)) return 0; - /* - * FIXME: Remove this check when core retention is supported - * Only MPUSS power domain is added in the list. - */ - if (strcmp(pwrdm->name, "mpu_pwrdm")) - return 0; - pwrst = kmalloc(sizeof(struct power_state), GFP_ATOMIC); if (!pwrst) return -ENOMEM; diff --git a/arch/arm/mach-omap2/vc.c b/arch/arm/mach-omap2/vc.c index 71396c3aa35..49ac7977e03 100644 --- a/arch/arm/mach-omap2/vc.c +++ b/arch/arm/mach-omap2/vc.c @@ -666,6 +666,7 @@ static u8 omap_vc_calc_vsel(struct voltagedomain *voltdm, u32 uvolt) return voltdm->pmic->uv_to_vsel(uvolt); } +#ifdef CONFIG_PM /** * omap_pm_setup_sr_i2c_pcb_length - set length of SR I2C traces on PCB * @mm: length of the PCB trace in millimetres @@ -678,6 +679,7 @@ void __init omap_pm_setup_sr_i2c_pcb_length(u32 mm) { sr_i2c_pcb_length = mm; } +#endif void __init omap_vc_init_channel(struct voltagedomain *voltdm) { |