[PATCH 13/13] OMAP3: Add voltage dependency table for VDD1.

[Thara Gopinath]

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 <th...@ti.com>
---
 arch/arm/mach-omap2/voltage.c |   19 +++++++++++++++++++
 1 files changed, 19 insertions(+), 0 deletions(-)

diff --git a/arch/arm/mach-omap2/voltage.c b/arch/arm/mach-omap2/voltage.c
index 2fd644a..3c990d0 100644
--- a/arch/arm/mach-omap2/voltage.c
+++ b/arch/arm/mach-omap2/voltage.c
@@ -348,6 +348,23 @@ static struct omap_volt_data omap44xx_vdd_core_volt_data[] 
= {
        {.volt_nominal = 1100000, .sr_errminlimit = 0xF9, .vp_errgain = 0x16},
 };
 
+/* OMAP 3430 MPU Core VDD dependency table */
+static struct omap_vdd_dep_volt omap34xx_vdd1_vdd2_data[] = {
+       {.main_vdd_volt = 975000, .dep_vdd_volt = 1050000},
+       {.main_vdd_volt = 1075000, .dep_vdd_volt = 1050000},
+       {.main_vdd_volt = 1200000, .dep_vdd_volt = 1150000},
+       {.main_vdd_volt = 1270000, .dep_vdd_volt = 1150000},
+       {.main_vdd_volt = 1350000, .dep_vdd_volt = 1150000},
+       {.main_vdd_volt = 0, .dep_vdd_volt = 0},
+};
+
+static struct omap_vdd_dep_info omap34xx_vdd1_dep_info[] = {
+       {
+               .name   = "core",
+               .dep_table = omap34xx_vdd1_vdd2_data,
+       },
+};
+
 /* By default VPFORCEUPDATE is the chosen method of voltage scaling */
 static bool voltscale_vpforceupdate = true;
 
@@ -523,6 +540,8 @@ static void __init omap3_vdd_data_configure(struct 
omap_vdd_info *vdd)
                        vdd->volt_data = omap34xx_vdd1_volt_data;
                        vdd->volt_data_count =
                                        ARRAY_SIZE(omap34xx_vdd1_volt_data);
+                       vdd->dep_vdd_info = omap34xx_vdd1_dep_info;
+                       vdd->nr_dep_vdd = ARRAY_SIZE(omap34xx_vdd1_dep_info);
                }
                vdd->volt_clk = clk_get(NULL, "dpll1_ck");
                vdd->opp_dev = omap2_get_mpuss_device();
-- 
1.7.1.GIT

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