linux-kernel - [PATCH] clk: ti: clk-54xx: Set the rate for dpll_abe_m2x2

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Message-ID: <1398857977-30114-1-git-send-email-peter.ujfalusi@ti.com>
Date:	Wed, 30 Apr 2014 14:39:37 +0300
From:	Peter Ujfalusi <peter.ujfalusi@...com>
To:	<mturquette@...aro.org>, <t-kristo@...com>, <tony@...mide.com>
CC:	<linux-kernel@...r.kernel.org>, <linux-omap@...r.kernel.org>
Subject: [PATCH] clk: ti: clk-54xx: Set the rate for dpll_abe_m2x2_ck

In order to get correct clock dividers for AESS/ABE we need to set the
dpll_abe_m2x2_ck rate to be double of dpll_abe_ck.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@...com>
---
 drivers/clk/ti/clk-54xx.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/clk/ti/clk-54xx.c b/drivers/clk/ti/clk-54xx.c
index 08f3d1b915b3..5e183993e3ec 100644
--- a/drivers/clk/ti/clk-54xx.c
+++ b/drivers/clk/ti/clk-54xx.c
@@ -240,6 +240,12 @@ int __init omap5xxx_dt_clk_init(void)
 	if (rc)
 		pr_err("%s: failed to configure ABE DPLL!\n", __func__);
 
+	abe_dpll = clk_get_sys(NULL, "dpll_abe_m2x2_ck");
+	if (!rc)
+		rc = clk_set_rate(abe_dpll, OMAP5_DPLL_ABE_DEFFREQ * 2);
+	if (rc)
+		pr_err("%s: failed to configure ABE m2x2 DPLL!\n", __func__);
+
 	usb_dpll = clk_get_sys(NULL, "dpll_usb_ck");
 	rc = clk_set_rate(usb_dpll, OMAP5_DPLL_USB_DEFFREQ);
 	if (rc)
-- 
1.9.2

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