clk: tegra: Fix PLLE SS coefficients
authorMark Kuo <mkuo@nvidia.com>
Thu, 14 Jan 2016 19:26:42 +0000 (14:26 -0500)
committerThierry Reding <treding@nvidia.com>
Tue, 2 Feb 2016 14:49:27 +0000 (15:49 +0100)
The PLLE SS coefficients are different between Tegra210 and Tegra114.
Add SoC generation specific versions for Tegra114 and Tegra210 and use
them in their respective ->enable() callbacks.

Signed-off-by: Mark Kuo <mkuo@nvidia.com>
Signed-off-by: Rhyland Klein <rklein@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
drivers/clk/tegra/clk-pll.c

index cb28130..6ac3f84 100644 (file)
 #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)
@@ -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);
@@ -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);