linux-kernel - [PATCH 3.12 61/77] clk: samsung: exynos5250: Add MDMA0 clocks

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Date:	Mon, 13 Jan 2014 16:28:22 -0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Abhilash Kesavan <a.kesavan@...sung.com>,
	Mike Turquette <mturquette@...aro.org>,
	Tomasz Figa <t.figa@...sung.com>
Subject: [PATCH 3.12 61/77] clk: samsung: exynos5250: Add MDMA0 clocks

3.12-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Abhilash Kesavan <a.kesavan@...sung.com>

commit 8fb9aeb7a71ef4f3e0613d459a2e1366a7a90469 upstream.

Adds gate clock for MDMA0 on Exynos5250 SoC. This is needed to ensure
that the clock is enabled when MDMA0 is used on systems on which
firmware gates the clockby default.

Signed-off-by: Abhilash Kesavan <a.kesavan@...sung.com>
Acked-by: Mike Turquette <mturquette@...aro.org>
[t.figa: Updated patch description.]
Signed-off-by: Tomasz Figa <t.figa@...sung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 Documentation/devicetree/bindings/clock/exynos5250-clock.txt |    2 ++
 drivers/clk/samsung/clk-exynos5250.c                         |    5 ++++-
 2 files changed, 6 insertions(+), 1 deletion(-)

--- a/Documentation/devicetree/bindings/clock/exynos5250-clock.txt
+++ b/Documentation/devicetree/bindings/clock/exynos5250-clock.txt
@@ -159,6 +159,8 @@ clock which they consume.
   mixer			343
   hdmi			344
   g2d			345
+  mdma0			346
+  smmu_mdma0		347
 
 
    [Clock Muxes]
--- a/drivers/clk/samsung/clk-exynos5250.c
+++ b/drivers/clk/samsung/clk-exynos5250.c
@@ -120,7 +120,8 @@ enum exynos5250_clks {
 	spi2, i2s1, i2s2, pcm1, pcm2, pwm, spdif, ac97, hsi2c0, hsi2c1, hsi2c2,
 	hsi2c3, chipid, sysreg, pmu, cmu_top, cmu_core, cmu_mem, tzpc0, tzpc1,
 	tzpc2, tzpc3, tzpc4, tzpc5, tzpc6, tzpc7, tzpc8, tzpc9, hdmi_cec, mct,
-	wdt, rtc, tmu, fimd1, mie1, dsim0, dp, mixer, hdmi, g2d,
+	wdt, rtc, tmu, fimd1, mie1, dsim0, dp, mixer, hdmi, g2d, mdma0,
+	smmu_mdma0,
 
 	/* mux clocks */
 	mout_hdmi = 1024,
@@ -492,6 +493,8 @@ static struct samsung_gate_clock exynos5
 	GATE(mixer, "mixer", "mout_aclk200_disp1", GATE_IP_DISP1, 5, 0, 0),
 	GATE(hdmi, "hdmi", "mout_aclk200_disp1", GATE_IP_DISP1, 6, 0, 0),
 	GATE(g2d, "g2d", "aclk200", GATE_IP_ACP, 3, 0, 0),
+	GATE(mdma0, "mdma0", "aclk266", GATE_IP_ACP, 1, 0, 0),
+	GATE(smmu_mdma0, "smmu_mdma0", "aclk266", GATE_IP_ACP, 5, 0, 0),
 };
 
 static struct samsung_pll_rate_table vpll_24mhz_tbl[] __initdata = {


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