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authorKuninori Morimoto <kuninori.morimoto.gx@renesas.com>2012-06-25 03:39:20 -0700
committerRafael J. Wysocki <rjw@sisk.pl>2012-06-30 15:13:49 +0200
commit832290b25e20e0c3a6da056f7d0999de51311f2c (patch)
treeb0c0f5d58697a58bf9b34992ff1b7e1ac1995fee /arch/arm/mach-shmobile/clock-sh73a0.c
parent12a7cfef5625ef03c6fdc9bf8a9857dd30d8a11d (diff)
ARM: shmobile: sh73a0: add DMAEngine support for MPDMAC
Current shdmac can support MPDMAC (= sound DMA) on sh73a0. This support reduce CPU load when sound was playback. On v2.0 manual, MPDMAC MID/RID number were wrong. This patch is using the number which seems correct. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Acked-by: Magnus Damm <damm@opensource.se> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Diffstat (limited to 'arch/arm/mach-shmobile/clock-sh73a0.c')
-rw-r--r--arch/arm/mach-shmobile/clock-sh73a0.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/arm/mach-shmobile/clock-sh73a0.c b/arch/arm/mach-shmobile/clock-sh73a0.c
index 06ffa4a31c47..37ba0140b427 100644
--- a/arch/arm/mach-shmobile/clock-sh73a0.c
+++ b/arch/arm/mach-shmobile/clock-sh73a0.c
@@ -475,7 +475,7 @@ static struct clk *late_main_clks[] = {
enum { MSTP001,
MSTP129, MSTP128, MSTP127, MSTP126, MSTP125, MSTP118, MSTP116, MSTP100,
- MSTP219, MSTP218,
+ MSTP219, MSTP218, MSTP217,
MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200,
MSTP331, MSTP329, MSTP328, MSTP325, MSTP323, MSTP322,
MSTP314, MSTP313, MSTP312, MSTP311,
@@ -498,6 +498,7 @@ static struct clk mstp_clks[MSTP_NR] = {
[MSTP100] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 0, 0), /* LCDC0 */
[MSTP219] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 19, 0), /* SCIFA7 */
[MSTP218] = MSTP(&div4_clks[DIV4_HP], SMSTPCR2, 18, 0), /* SY-DMAC */
+ [MSTP217] = MSTP(&div4_clks[DIV4_HP], SMSTPCR2, 17, 0), /* MP-DMAC */
[MSTP207] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 7, 0), /* SCIFA5 */
[MSTP206] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 6, 0), /* SCIFB */
[MSTP204] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 4, 0), /* SCIFA0 */
@@ -555,6 +556,7 @@ static struct clk_lookup lookups[] = {
CLKDEV_DEV_ID("sh_mobile_lcdc_fb.0", &mstp_clks[MSTP100]), /* LCDC0 */
CLKDEV_DEV_ID("sh-sci.7", &mstp_clks[MSTP219]), /* SCIFA7 */
CLKDEV_DEV_ID("sh-dma-engine.0", &mstp_clks[MSTP218]), /* SY-DMAC */
+ CLKDEV_DEV_ID("sh-dma-engine.1", &mstp_clks[MSTP217]), /* MP-DMAC */
CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[MSTP207]), /* SCIFA5 */
CLKDEV_DEV_ID("sh-sci.8", &mstp_clks[MSTP206]), /* SCIFB */
CLKDEV_DEV_ID("sh-sci.0", &mstp_clks[MSTP204]), /* SCIFA0 */