diff options
author | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2012-06-25 14:37:10 +0400 |
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committer | Rafael J. Wysocki <rjw@sisk.pl> | 2012-06-30 17:07:31 +0400 |
commit | dbf382e556931aa75b2d7970d64661544d6c327c (patch) | |
tree | 1a200fda74b220a7cc37b8620f017355605d3970 /arch/arm/mach-shmobile/clock-r8a7740.c | |
parent | cb76eb812ee03187da3b46e190895b55019d2133 (diff) | |
download | linux-dbf382e556931aa75b2d7970d64661544d6c327c.tar.xz |
ARM: shmobile: r8a7740: add DMAEngine support for USB
Current shdmac can support USB DMAC on r8a7740.
This support reduce CPU duty when USB access.
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-r8a7740.c')
-rw-r--r-- | arch/arm/mach-shmobile/clock-r8a7740.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/arm/mach-shmobile/clock-r8a7740.c b/arch/arm/mach-shmobile/clock-r8a7740.c index 39b131101167..daf3eace5dcf 100644 --- a/arch/arm/mach-shmobile/clock-r8a7740.c +++ b/arch/arm/mach-shmobile/clock-r8a7740.c @@ -463,7 +463,7 @@ enum { MSTP230, MSTP222, - MSTP218, MSTP217, MSTP216, + MSTP218, MSTP217, MSTP216, MSTP214, MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200, MSTP329, MSTP328, MSTP323, MSTP320, @@ -489,6 +489,7 @@ static struct clk mstp_clks[MSTP_NR] = { [MSTP218] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR2, 18, 0), /* DMAC1 */ [MSTP217] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR2, 17, 0), /* DMAC2 */ [MSTP216] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR2, 16, 0), /* DMAC3 */ + [MSTP214] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR2, 14, 0), /* USBDMAC */ [MSTP207] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR2, 7, 0), /* SCIFA5 */ [MSTP206] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR2, 6, 0), /* SCIFB */ [MSTP204] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR2, 4, 0), /* SCIFA0 */ @@ -567,6 +568,7 @@ static struct clk_lookup lookups[] = { CLKDEV_DEV_ID("sh-sci.0", &mstp_clks[MSTP204]), CLKDEV_DEV_ID("sh-sci.8", &mstp_clks[MSTP206]), CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[MSTP207]), + CLKDEV_DEV_ID("sh-dma-engine.3", &mstp_clks[MSTP214]), CLKDEV_DEV_ID("sh-dma-engine.2", &mstp_clks[MSTP216]), CLKDEV_DEV_ID("sh-dma-engine.1", &mstp_clks[MSTP217]), CLKDEV_DEV_ID("sh-dma-engine.0", &mstp_clks[MSTP218]), |