linux-kernel - [PATCH] clk: exynos4: Add clock ID for ppmuleft/right

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Date:	Wed, 12 Mar 2014 16:08:10 +0900
From:	Chanwoo Choi <cw00.choi@...sung.com>
To:	t.figa@...sung.com, a.hajda@...sung.com, mturquette@...aro.org,
	kgene.kim@...sung.com
Cc:	linux-samsung-soc@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, kyungmin.park@...sung.com,
	pawel.moll@....com, mark.rutland@....com,
	ijc+devicetree@...lion.org.uk, galak@...eaurora.org,
	Chanwoo Choi <cw00.choi@...sung.com>
Subject: [PATCH] clk: exynos4: Add clock ID for ppmuleft/right

There is no gate for the PPMU Left/Right to the LEFT/RIGHTBUS block.
So, this patch add ppmuleft/right clock which is used to calculate memory bus
utilization by using PPMU(Performance Profiling Monitoring Unit).

Signed-off-by: Chanwoo Choi <cw00.choi@...sung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@...sung.com>
---
 drivers/clk/samsung/clk-exynos4.c   |  2 ++
 include/dt-bindings/clock/exynos4.h | 26 ++++++++++++++------------
 2 files changed, 16 insertions(+), 12 deletions(-)

diff --git a/drivers/clk/samsung/clk-exynos4.c b/drivers/clk/samsung/clk-exynos4.c
index 010f071..3819485 100644
--- a/drivers/clk/samsung/clk-exynos4.c
+++ b/drivers/clk/samsung/clk-exynos4.c
@@ -717,6 +717,8 @@ static struct samsung_gate_clock exynos4_gate_clks[] __initdata = {
 			0, 0),
 	GATE(CLK_AC97, "ac97", "aclk100", GATE_IP_PERIL, 27,
 			0, 0),
+	GATE(CLK_PPMULEFT, "ppmuleft", "aclk200", GATE_IP_LEFTBUS, 1, 0, 0),
+	GATE(CLK_PPMURIGHT, "ppmuright", "aclk200", GATE_IP_RIGHTBUS, 1, 0, 0),
 };
 
 /* list of gate clocks supported in exynos4210 soc */
diff --git a/include/dt-bindings/clock/exynos4.h b/include/dt-bindings/clock/exynos4.h
index 75aff33..cd7fecf 100644
--- a/include/dt-bindings/clock/exynos4.h
+++ b/include/dt-bindings/clock/exynos4.h
@@ -215,20 +215,22 @@
 #define CLK_SPI1_ISP_SCLK	381 /* Exynos4x12 only */
 #define CLK_UART_ISP_SCLK	382 /* Exynos4x12 only */
 #define CLK_TMU_APBIF		383
+#define CLK_PPMULEFT		384
+#define CLK_PPMURIGHT		385
 
 /* mux clocks */
-#define CLK_MOUT_FIMC0		384
-#define CLK_MOUT_FIMC1		385
-#define CLK_MOUT_FIMC2		386
-#define CLK_MOUT_FIMC3		387
-#define CLK_MOUT_CAM0		388
-#define CLK_MOUT_CAM1		389
-#define CLK_MOUT_CSIS0		390
-#define CLK_MOUT_CSIS1		391
-#define CLK_MOUT_G3D0		392
-#define CLK_MOUT_G3D1		393
-#define CLK_MOUT_G3D		394
-#define CLK_ACLK400_MCUISP	395 /* Exynos4x12 only */
+#define CLK_MOUT_FIMC0		386
+#define CLK_MOUT_FIMC1		387
+#define CLK_MOUT_FIMC2		388
+#define CLK_MOUT_FIMC3		389
+#define CLK_MOUT_CAM0		390
+#define CLK_MOUT_CAM1		391
+#define CLK_MOUT_CSIS0		392
+#define CLK_MOUT_CSIS1		393
+#define CLK_MOUT_G3D0		394
+#define CLK_MOUT_G3D1		395
+#define CLK_MOUT_G3D		396
+#define CLK_ACLK400_MCUISP	397 /* Exynos4x12 only */
 
 /* div clocks */
 #define CLK_DIV_ISP0		450 /* Exynos4x12 only */
-- 
1.8.0

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