[PATCHv4 4/4] TEMP: OMAP3: beagle rev-c4: enable OPP6

[Tero Kristo <t-kristo@ti.com>]

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

Signed-off-by: Tero Kristo <t-kristo@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 34f8411..ba84c0e 100644
--- a/arch/arm/mach-omap2/board-omap3beagle.c
+++ b/arch/arm/mach-omap2/board-omap3beagle.c
@@ -468,6 +468,38 @@ static void __init beagle_opp_init(void)
 		return;
 	}
 
+	/* Custom OPP enabled for C4 */
+	if (omap3_beagle_get_rev() == 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 XM */
 	if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM) {
 		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


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