clk: tegra: Use XUSB-compatible SATA PLL sequence

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>

diff --git a/drivers/clk/tegra/clk-pll.c b/drivers/clk/tegra/clk-pll.c
index f070c36..c7c6d8f 100644 (file)
--- a/drivers/clk/tegra/clk-pll.c
+++ b/drivers/clk/tegra/clk-pll.c
@@ -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: