[PATCH 8/9] clk: tegra: pll: Fix PLLE SS config
From: Rhyland Klein
Date: Thu Dec 10 2015 - 17:09:56 EST
From: Mark Kuo <mkuo@xxxxxxxxxx>
Fix PLLE spread spectrum configuration so it aligns with downstream
kernel.
Signed-off-by: Mark Kuo <mkuo@xxxxxxxxxx>
Signed-off-by: Rhyland Klein <rklein@xxxxxxxxxx>
---
drivers/clk/tegra/clk-pll.c | 22 ++++++++++++++--------
1 file changed, 14 insertions(+), 8 deletions(-)
diff --git a/drivers/clk/tegra/clk-pll.c b/drivers/clk/tegra/clk-pll.c
index d9c3109b75bd..6ac3f843e7ca 100644
--- a/drivers/clk/tegra/clk-pll.c
+++ b/drivers/clk/tegra/clk-pll.c
@@ -86,15 +86,21 @@
#define PLLE_SS_DISABLE (PLLE_SS_CNTL_BYPASS_SS | PLLE_SS_CNTL_INTERP_RESET |\
PLLE_SS_CNTL_SSC_BYP)
#define PLLE_SS_MAX_MASK 0x1ff
-#define PLLE_SS_MAX_VAL 0x25
+#define PLLE_SS_MAX_VAL_TEGRA114 0x25
+#define PLLE_SS_MAX_VAL_TEGRA210 0x21
#define PLLE_SS_INC_MASK (0xff << 16)
#define PLLE_SS_INC_VAL (0x1 << 16)
#define PLLE_SS_INCINTRV_MASK (0x3f << 24)
-#define PLLE_SS_INCINTRV_VAL (0x20 << 24)
+#define PLLE_SS_INCINTRV_VAL_TEGRA114 (0x20 << 24)
+#define PLLE_SS_INCINTRV_VAL_TEGRA210 (0x23 << 24)
#define PLLE_SS_COEFFICIENTS_MASK \
(PLLE_SS_MAX_MASK | PLLE_SS_INC_MASK | PLLE_SS_INCINTRV_MASK)
-#define PLLE_SS_COEFFICIENTS_VAL \
- (PLLE_SS_MAX_VAL | PLLE_SS_INC_VAL | PLLE_SS_INCINTRV_VAL)
+#define PLLE_SS_COEFFICIENTS_VAL_TEGRA114 \
+ (PLLE_SS_MAX_VAL_TEGRA114 | PLLE_SS_INC_VAL |\
+ PLLE_SS_INCINTRV_VAL_TEGRA114)
+#define PLLE_SS_COEFFICIENTS_VAL_TEGRA210 \
+ (PLLE_SS_MAX_VAL_TEGRA210 | PLLE_SS_INC_VAL |\
+ PLLE_SS_INCINTRV_VAL_TEGRA210)
#define PLLE_AUX_PLLP_SEL BIT(2)
#define PLLE_AUX_USE_LOCKDET BIT(3)
@@ -1401,7 +1407,7 @@ static int clk_plle_tegra114_enable(struct clk_hw *hw)
val |= PLLE_MISC_IDDQ_SW_CTRL;
val &= ~PLLE_MISC_IDDQ_SW_VALUE;
val |= PLLE_MISC_PLLE_PTS;
- val |= PLLE_MISC_VREG_BG_CTRL_MASK | PLLE_MISC_VREG_CTRL_MASK;
+ val &= ~(PLLE_MISC_VREG_BG_CTRL_MASK | PLLE_MISC_VREG_CTRL_MASK);
pll_writel_misc(val, pll);
udelay(5);
@@ -1428,7 +1434,7 @@ static int clk_plle_tegra114_enable(struct clk_hw *hw)
val = pll_readl(PLLE_SS_CTRL, pll);
val &= ~(PLLE_SS_CNTL_CENTER | PLLE_SS_CNTL_INVERT);
val &= ~PLLE_SS_COEFFICIENTS_MASK;
- val |= PLLE_SS_COEFFICIENTS_VAL;
+ val |= PLLE_SS_COEFFICIENTS_VAL_TEGRA114;
pll_writel(val, PLLE_SS_CTRL, pll);
val &= ~(PLLE_SS_CNTL_SSC_BYP | PLLE_SS_CNTL_BYPASS_SS);
pll_writel(val, PLLE_SS_CTRL, pll);
@@ -2035,7 +2041,7 @@ static int clk_plle_tegra210_enable(struct clk_hw *hw)
val |= PLLE_MISC_IDDQ_SW_CTRL;
val &= ~PLLE_MISC_IDDQ_SW_VALUE;
val |= PLLE_MISC_PLLE_PTS;
- val |= PLLE_MISC_VREG_BG_CTRL_MASK | PLLE_MISC_VREG_CTRL_MASK;
+ val &= ~(PLLE_MISC_VREG_BG_CTRL_MASK | PLLE_MISC_VREG_CTRL_MASK);
pll_writel_misc(val, pll);
udelay(5);
@@ -2065,7 +2071,7 @@ static int clk_plle_tegra210_enable(struct clk_hw *hw)
val = pll_readl(PLLE_SS_CTRL, pll);
val &= ~(PLLE_SS_CNTL_CENTER | PLLE_SS_CNTL_INVERT);
val &= ~PLLE_SS_COEFFICIENTS_MASK;
- val |= PLLE_SS_COEFFICIENTS_VAL;
+ val |= PLLE_SS_COEFFICIENTS_VAL_TEGRA210;
pll_writel(val, PLLE_SS_CTRL, pll);
val &= ~(PLLE_SS_CNTL_SSC_BYP | PLLE_SS_CNTL_BYPASS_SS);
pll_writel(val, PLLE_SS_CTRL, pll);
--
1.9.1
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/