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clk: tegra: Use XUSB-compatible SATA PLL sequence

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Use a sequence for enabling hardware control of the SATA PLL
that works both when using the SATA lane with SATA and when
using it with XUSB.

Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
This commit is contained in:
Mikko Perttunen 2014-07-08 09:30:15 +02:00 • committed by Peter De Schrijver
commit 0e548d50b9
1 changed files with 11 additions and 0 deletions
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11
drivers/clk/tegra/clk-pll.c
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@ -112,6 +112,9 @@
#define SATA_PLL_CFG0 0x490
#define SATA_PLL_CFG0_PADPLL_RESET_SWCTL BIT(0)
#define SATA_PLL_CFG0_PADPLL_USE_LOCKDET BIT(2)
#define SATA_PLL_CFG0_SEQ_ENABLE BIT(24)
#define SATA_PLL_CFG0_SEQ_START_STATE BIT(25)
#define PLLE_MISC_PLLE_PTS BIT(8)
#define PLLE_MISC_IDDQ_SW_VALUE BIT(13)
@ -1367,6 +1370,14 @@ static int clk_plle_tegra114_enable(struct clk_hw *hw)
/* Enable hw control of SATA pll */
val = pll_readl(SATA_PLL_CFG0, pll);
val &= ~SATA_PLL_CFG0_PADPLL_RESET_SWCTL;
val |= SATA_PLL_CFG0_PADPLL_USE_LOCKDET;
val |= SATA_PLL_CFG0_SEQ_START_STATE;
pll_writel(val, SATA_PLL_CFG0, pll);
udelay(1);
val = pll_readl(SATA_PLL_CFG0, pll);
val |= SATA_PLL_CFG0_SEQ_ENABLE;
pll_writel(val, SATA_PLL_CFG0, pll);
out: