[PATCHv2 4/5] TEMP: OMAP3: beagle rev-c4: enable OPP6

[Tero Kristo]

Beagleboard rev-c4 has a speed sorted OMAP3530 chip which can run at 720MHz.

Signed-off-by: Tero Kristo <t-kri...@ti.com>
---
 arch/arm/mach-omap2/board-omap3beagle.c |   32 +++++++++++++++++++++++++++++++
 arch/arm/mach-omap2/opp3xxx_data.c      |    4 +++
 2 files changed, 36 insertions(+), 0 deletions(-)

diff --git a/arch/arm/mach-omap2/board-omap3beagle.c 
b/arch/arm/mach-omap2/board-omap3beagle.c
index d7ae648..5ab507d 100644
--- a/arch/arm/mach-omap2/board-omap3beagle.c
+++ b/arch/arm/mach-omap2/board-omap3beagle.c
@@ -592,6 +592,38 @@ static void __init beagle_opp_init(void)
                return;
        }
 
+       /* Custom OPP enabled for C4 */
+       if (omap3_beagle_version == OMAP3BEAGLE_BOARD_C4) {
+               struct omap_hwmod *mh = omap_hwmod_lookup("mpu");
+               struct omap_hwmod *dh = omap_hwmod_lookup("iva");
+               struct device *dev;
+
+               if (!mh || !dh) {
+                       pr_err("%s: Aiee.. no mpu/dsp devices? %p %p\n",
+                               __func__, mh, dh);
+               }
+               /* Enable MPU 720MHz opp */
+               dev = &mh->od->pdev.dev;
+               r = opp_enable(dev, 720000000);
+
+               /* Enable IVA 520MHz opp */
+               dev = &dh->od->pdev.dev;
+               r |= opp_enable(dev, 520000000);
+
+               if (r) {
+                       pr_err("%s: failed to enable higher opp %d\n",
+                               __func__, r);
+                       /*
+                        * Cleanup - disable the higher freqs - we dont care
+                        * about the results
+                        */
+                       dev = &mh->od->pdev.dev;
+                       opp_disable(dev, 720000000);
+                       dev = &dh->od->pdev.dev;
+                       opp_disable(dev, 520000000);
+               }
+       }
+
        /* Custom OPP enabled for all xM versions */
        if (cpu_is_omap3630()) {
                struct omap_hwmod *mh = omap_hwmod_lookup("mpu");
diff --git a/arch/arm/mach-omap2/opp3xxx_data.c 
b/arch/arm/mach-omap2/opp3xxx_data.c
index d95f3f9..a0f5fe1 100644
--- a/arch/arm/mach-omap2/opp3xxx_data.c
+++ b/arch/arm/mach-omap2/opp3xxx_data.c
@@ -98,6 +98,8 @@ static struct omap_opp_def __initdata omap34xx_opp_def_list[] 
= {
        OPP_INITIALIZER("mpu", true, 550000000, OMAP3430_VDD_MPU_OPP4_UV),
        /* MPU OPP5 */
        OPP_INITIALIZER("mpu", true, 600000000, OMAP3430_VDD_MPU_OPP5_UV),
+       /* MPU OPP6 : omap3530 high speed grade only */
+       OPP_INITIALIZER("mpu", false, 720000000, OMAP3430_VDD_MPU_OPP5_UV),
 
        /*
         * L3 OPP1 - 41.5 MHz is disabled because: The voltage for that OPP is
@@ -123,6 +125,8 @@ static struct omap_opp_def __initdata 
omap34xx_opp_def_list[] = {
        OPP_INITIALIZER("iva", true, 400000000, OMAP3430_VDD_MPU_OPP4_UV),
        /* DSP OPP5 */
        OPP_INITIALIZER("iva", true, 430000000, OMAP3430_VDD_MPU_OPP5_UV),
+       /* DSP OPP6 : omap3530 high speed grade only */
+       OPP_INITIALIZER("iva", false, 520000000, OMAP3430_VDD_MPU_OPP5_UV),
 };
 
 static struct omap_opp_def __initdata omap36xx_opp_def_list[] = {
-- 
1.7.4.1


Texas Instruments Oy, Tekniikantie 12, 02150 Espoo. Y-tunnus: 0115040-6. 
Kotipaikka: Helsinki
 

--
To unsubscribe from this list: send the line "unsubscribe linux-omap" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html