diff options
| author | Vishwanath BS <vishwanath.bs@ti.com> | 2011-03-31 13:01:26 +0530 |
|---|---|---|
| committer | Nicolas Pitre <nicolas.pitre@linaro.org> | 2011-04-01 23:03:00 -0400 |
| commit | 740bcc9b2580f68c9304542d1dc528686c8d3993 (patch) | |
| tree | d3bc8f1e555ce97f095f08024c32c9b707c0acac /arch | |
| parent | ebdb7d0861eb4bffbb79a60d924b9b579febd85d (diff) | |
OMAP3: Add voltage dependency table for VDD1.
In OMAP3, for perfomrance reasons when VDD1 is at voltage above
1.075V, VDD2 should be at 1.15V for perfomrance reasons. This
patch introduce this cross VDD dependency for OMAP3 VDD1.
Signed-off-by: Thara Gopinath <thara@ti.com>
Signed-off-by: Vishwanath BS <vishwanath.bs@ti.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-omap2/omap_opp_data.h | 2 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/opp3xxx_data.c | 33 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/voltagedomains3xxx_data.c | 5 |
3 files changed, 40 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/omap_opp_data.h b/arch/arm/mach-omap2/omap_opp_data.h index 4d9320995d5..4ec4c6243a5 100644 --- a/arch/arm/mach-omap2/omap_opp_data.h +++ b/arch/arm/mach-omap2/omap_opp_data.h @@ -85,8 +85,10 @@ extern int __init omap_init_opp_table(struct omap_opp_def *opp_def, extern struct omap_volt_data omap34xx_vddmpu_volt_data[]; extern struct omap_volt_data omap34xx_vddcore_volt_data[]; +extern struct omap_vdd_dep_info omap34xx_vdd1_dep_info[]; extern struct omap_volt_data omap36xx_vddmpu_volt_data[]; extern struct omap_volt_data omap36xx_vddcore_volt_data[]; +extern struct omap_vdd_dep_info omap36xx_vdd1_dep_info[]; extern struct omap_volt_data omap44xx_vdd_mpu_volt_data[]; extern struct omap_volt_data omap44xx_vdd_iva_volt_data[]; diff --git a/arch/arm/mach-omap2/opp3xxx_data.c b/arch/arm/mach-omap2/opp3xxx_data.c index d95f3f945d4..e71c5ba0eb7 100644 --- a/arch/arm/mach-omap2/opp3xxx_data.c +++ b/arch/arm/mach-omap2/opp3xxx_data.c @@ -57,6 +57,23 @@ struct omap_volt_data omap34xx_vddcore_volt_data[] = { VOLT_DATA_DEFINE(0, 0, 0, 0), }; +/* OMAP 3430 MPU Core VDD dependency table */ +static struct omap_vdd_dep_volt omap34xx_vdd1_vdd2_data[] = { + {.main_vdd_volt = OMAP3430_VDD_MPU_OPP1_UV, .dep_vdd_volt = OMAP3430_VDD_CORE_OPP2_UV}, + {.main_vdd_volt = OMAP3430_VDD_MPU_OPP2_UV, .dep_vdd_volt = OMAP3430_VDD_CORE_OPP2_UV}, + {.main_vdd_volt = OMAP3430_VDD_MPU_OPP3_UV, .dep_vdd_volt = OMAP3430_VDD_CORE_OPP3_UV}, + {.main_vdd_volt = OMAP3430_VDD_MPU_OPP4_UV, .dep_vdd_volt = OMAP3430_VDD_CORE_OPP3_UV}, + {.main_vdd_volt = OMAP3430_VDD_MPU_OPP5_UV, .dep_vdd_volt = OMAP3430_VDD_CORE_OPP3_UV}, + {.main_vdd_volt = 0, .dep_vdd_volt = 0}, +}; + +struct omap_vdd_dep_info omap34xx_vdd1_dep_info[] = { + { + .name = "core", + .dep_table = omap34xx_vdd1_vdd2_data, + }, +}; + /* 36xx */ /* VDD1 */ @@ -150,6 +167,22 @@ static struct omap_opp_def __initdata omap36xx_opp_def_list[] = { OPP_INITIALIZER("iva", false, 800000000, OMAP3630_VDD_MPU_OPP1G_UV), }; +/* OMAP 3630 MPU Core VDD dependency table */ +static struct omap_vdd_dep_volt omap36xx_vdd1_vdd2_data[] = { + {.main_vdd_volt = OMAP3630_VDD_MPU_OPP50_UV, .dep_vdd_volt = OMAP3630_VDD_CORE_OPP50_UV}, + {.main_vdd_volt = OMAP3630_VDD_MPU_OPP100_UV, .dep_vdd_volt = OMAP3630_VDD_CORE_OPP100_UV}, + {.main_vdd_volt = OMAP3630_VDD_MPU_OPP120_UV, .dep_vdd_volt = OMAP3630_VDD_CORE_OPP100_UV}, + {.main_vdd_volt = OMAP3630_VDD_MPU_OPP1G_UV, .dep_vdd_volt = OMAP3630_VDD_CORE_OPP100_UV}, + {.main_vdd_volt = 0, .dep_vdd_volt = 0}, +}; + +struct omap_vdd_dep_info omap36xx_vdd1_dep_info[] = { + { + .name = "core", + .dep_table = omap36xx_vdd1_vdd2_data, + }, +}; + /** * omap3_opp_init() - initialize omap3 opp table */ diff --git a/arch/arm/mach-omap2/voltagedomains3xxx_data.c b/arch/arm/mach-omap2/voltagedomains3xxx_data.c index 49106dad21e..e063de8389a 100644 --- a/arch/arm/mach-omap2/voltagedomains3xxx_data.c +++ b/arch/arm/mach-omap2/voltagedomains3xxx_data.c @@ -83,9 +83,14 @@ static int __init omap3xxx_voltage_early_init(void) if (cpu_is_omap3630()) { omap3_vdd1_info.volt_data = omap36xx_vddmpu_volt_data; omap3_vdd2_info.volt_data = omap36xx_vddcore_volt_data; + omap3_vdd1_info.dep_vdd_info = omap36xx_vdd1_dep_info; + omap3_vdd1_info.nr_dep_vdd = 1; + } else { omap3_vdd1_info.volt_data = omap34xx_vddmpu_volt_data; omap3_vdd2_info.volt_data = omap34xx_vddcore_volt_data; + omap3_vdd1_info.dep_vdd_info = omap34xx_vdd1_dep_info; + omap3_vdd1_info.nr_dep_vdd = 1; } return omap_voltage_early_init(prm_mod, prm_irqst_ocp_mod, |