linux-kernel - [PATCH v3 2/6] clk: berlin: add cpuclk

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Message-Id: <1442484905-15656-3-git-send-email-antoine.tenart@free-electrons.com>
Date:	Thu, 17 Sep 2015 12:15:01 +0200
From:	Antoine Tenart <antoine.tenart@...e-electrons.com>
To:	sebastian.hesselbarth@...il.com, mturquette@...libre.com,
	sboyd@...eaurora.org
Cc:	Antoine Tenart <antoine.tenart@...e-electrons.com>,
	zmxu@...vell.com, jszhang@...vell.com,
	linux-arm-kernel@...ts.infradead.org, linux-clk@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v3 2/6] clk: berlin: add cpuclk

Add cpuclk in the Berlin BG2Q clock driver. This clk has a divider
fixed to 1.

Signed-off-by: Antoine Tenart <antoine.tenart@...e-electrons.com>
Acked-by: Stephen Boyd <sboyd@...eaurora.org>
---
 drivers/clk/berlin/bg2q.c            | 12 ++++++------
 include/dt-bindings/clock/berlin2q.h |  3 ++-
 2 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/drivers/clk/berlin/bg2q.c b/drivers/clk/berlin/bg2q.c
index a27958efab92..c2f48f3773e8 100644
--- a/drivers/clk/berlin/bg2q.c
+++ b/drivers/clk/berlin/bg2q.c
@@ -355,13 +355,13 @@ static void __init berlin2q_clock_setup(struct device_node *np)
 			    gd->bit_idx, 0, &lock);
 	}
 
-	/*
-	 * twdclk is derived from cpu/3
-	 * TODO: use cpupll until cpuclk is not available
-	 */
+	/* cpuclk divider is fixed to 1 */
+	clks[CLKID_CPU] =
+		clk_register_fixed_factor(NULL, "cpu", clk_names[CPUPLL],
+					  0, 1, 1);
+	/* twdclk is derived from cpu/3 */
 	clks[CLKID_TWD] =
-		clk_register_fixed_factor(NULL, "twd", clk_names[CPUPLL],
-					  0, 1, 3);
+		clk_register_fixed_factor(NULL, "twd", "cpu", 0, 1, 3);
 
 	/* check for errors on leaf clocks */
 	for (n = 0; n < MAX_CLKS; n++) {
diff --git a/include/dt-bindings/clock/berlin2q.h b/include/dt-bindings/clock/berlin2q.h
index c79af928ae92..771d8739f67a 100644
--- a/include/dt-bindings/clock/berlin2q.h
+++ b/include/dt-bindings/clock/berlin2q.h
@@ -29,5 +29,6 @@
 #define CLKID_SMEMC		24
 #define CLKID_PCIE		25
 #define CLKID_TWD		26
+#define CLKID_CPU		27
 
-#define MAX_CLKS		27
+#define MAX_CLKS		28
-- 
2.5.2

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