diff options
| author | Xinyu Chen <xinyu.chen@freescale.com> | 2011-03-29 15:35:52 +0800 |
|---|---|---|
| committer | Xinyu Chen <xinyu.chen@freescale.com> | 2011-03-29 15:53:05 +0800 |
| commit | f004a3bace4aea0801c1f6fbea8c170d408cc09c (patch) | |
| tree | e2b7d218012513d91acab77cb237503e9af078f1 | |
| parent | 9266381d6dd58e9dd9ee07d88d0b59a04449dd0a (diff) | |
ENGR00141310 mx5x clock: add emi_fast_clk as tz1's parent for uart dma
UART dma mode doing data transfer between uart fifo and ddr.
So emi_fast_clk must be enabled when dma on.
Signed-off-by: Xinyu Chen <xinyu.chen@freescale.com>
| -rw-r--r-- | arch/arm/mach-mx5/clock.c | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/arch/arm/mach-mx5/clock.c b/arch/arm/mach-mx5/clock.c index 4b4750b1d521..e15eae3591a7 100644 --- a/arch/arm/mach-mx5/clock.c +++ b/arch/arm/mach-mx5/clock.c @@ -1340,13 +1340,19 @@ static struct clk ocram_clk = { }; -static struct clk aips_tz1_clk = { - .parent = &ahb_clk, - .secondary = &ahb_max_clk, - .enable_reg = MXC_CCM_CCGR0, - .enable_shift = MXC_CCM_CCGRx_CG12_OFFSET, - .enable = _clk_enable, - .disable = _clk_disable_inwait, +static struct clk aips_tz1_clk[] = { + { + .parent = &ahb_clk, + .secondary = &aips_tz1_clk[1], + .enable_reg = MXC_CCM_CCGR0, + .enable_shift = MXC_CCM_CCGRx_CG12_OFFSET, + .enable = _clk_enable, + .disable = _clk_disable_inwait, + }, + { + .parent = &emi_fast_clk, + .secondary = &ahb_max_clk, + }, }; static struct clk aips_tz2_clk = { @@ -2107,7 +2113,7 @@ static struct clk uart1_clk[] = { .id = 0, .parent = &ipg_clk, #if UART1_DMA_ENABLE - .secondary = &aips_tz1_clk, + .secondary = &aips_tz1_clk[0], #endif .enable_reg = MXC_CCM_CCGR1, .enable_shift = MXC_CCM_CCGRx_CG3_OFFSET, @@ -2133,7 +2139,7 @@ static struct clk uart2_clk[] = { .id = 1, .parent = &ipg_clk, #if UART2_DMA_ENABLE - .secondary = &aips_tz1_clk, + .secondary = &aips_tz1_clk[0], #endif .enable_reg = MXC_CCM_CCGR1, .enable_shift = MXC_CCM_CCGRx_CG5_OFFSET, |