This patch adds the basic initialization of voltage layer for AM35x. Since AM35x doesn't support voltage scaling, Many functions have been defined to plug into existing voltage layer.
Signed-off-by: Sanjeev Premi <[email protected]> Signed-off-by: Abhilash K V <[email protected]> --- arch/arm/mach-omap2/omap_opp_data.h | 1 + arch/arm/mach-omap2/opp3xxx_data.c | 9 +++++++++ arch/arm/mach-omap2/voltagedomains3xxx_data.c | 10 ++++++++-- 3 files changed, 18 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-omap2/omap_opp_data.h b/arch/arm/mach-omap2/omap_opp_data.h index c784c12..c7cedf3 100644 --- a/arch/arm/mach-omap2/omap_opp_data.h +++ b/arch/arm/mach-omap2/omap_opp_data.h @@ -88,6 +88,7 @@ extern struct omap_volt_data omap34xx_vddmpu_volt_data[]; extern struct omap_volt_data omap34xx_vddcore_volt_data[]; extern struct omap_volt_data omap36xx_vddmpu_volt_data[]; extern struct omap_volt_data omap36xx_vddcore_volt_data[]; +extern struct omap_volt_data am35xx_vdd_volt_data[]; 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 d95f3f9..e4a5ee6 100644 --- a/arch/arm/mach-omap2/opp3xxx_data.c +++ b/arch/arm/mach-omap2/opp3xxx_data.c @@ -85,6 +85,15 @@ struct omap_volt_data omap36xx_vddcore_volt_data[] = { VOLT_DATA_DEFINE(0, 0, 0, 0), }; +/* AM35x + * + * Fields related to SmartReflex and Voltage Processor are set to 0. + */ +struct omap_volt_data am35xx_vdd_volt_data[] = { + VOLT_DATA_DEFINE(OMAP3430_VDD_MPU_OPP3_UV, 0x0, 0x0, 0x0), + VOLT_DATA_DEFINE(0, 0, 0, 0), +}; + /* OPP data */ static struct omap_opp_def __initdata omap34xx_opp_def_list[] = { diff --git a/arch/arm/mach-omap2/voltagedomains3xxx_data.c b/arch/arm/mach-omap2/voltagedomains3xxx_data.c index 071101d..530082f 100644 --- a/arch/arm/mach-omap2/voltagedomains3xxx_data.c +++ b/arch/arm/mach-omap2/voltagedomains3xxx_data.c @@ -85,7 +85,10 @@ void __init omap3xxx_voltagedomains_init(void) * XXX Will depend on the process, validation, and binning * for the currently-running IC */ - if (cpu_is_omap3630()) { + if (cpu_is_omap3505() || cpu_is_omap3517()) { + omap3_voltdm_mpu.volt_data = am35xx_vdd_volt_data; + omap3_voltdm_core.volt_data = am35xx_vdd_volt_data; + } else if (cpu_is_omap3630()) { omap3_voltdm_mpu.volt_data = omap36xx_vddmpu_volt_data; omap3_voltdm_core.volt_data = omap36xx_vddcore_volt_data; } else { @@ -93,8 +96,11 @@ void __init omap3xxx_voltagedomains_init(void) omap3_voltdm_core.volt_data = omap34xx_vddcore_volt_data; } - for (i = 0; voltdm = voltagedomains_omap3[i], voltdm; i++) + for (i = 0; voltdm = voltagedomains_omap3[i], voltdm; i++) { + if (cpu_is_omap3505() || cpu_is_omap3517()) + voltdm->scalable = false; voltdm->sys_clk.name = sys_clk_name; + } voltdm_init(voltagedomains_omap3); }; -- 1.7.1 -- 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
