summaryrefslogtreecommitdiff
path: root/drivers/clk/tegra/clk.h
diff options
context:
space:
mode:
authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-01-20 14:01:31 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-01-20 14:01:31 -0300
commitb4b7ff4b08e691656c9d77c758fc355833128ac0 (patch)
tree82fcb00e6b918026dc9f2d1f05ed8eee83874cc0 /drivers/clk/tegra/clk.h
parent35acfa0fc609f2a2cd95cef4a6a9c3a5c38f1778 (diff)
Linux-libre 4.4-gnupck-4.4-gnu
Diffstat (limited to 'drivers/clk/tegra/clk.h')
-rw-r--r--drivers/clk/tegra/clk.h106
1 files changed, 67 insertions, 39 deletions
diff --git a/drivers/clk/tegra/clk.h b/drivers/clk/tegra/clk.h
index 0621887e0..5d2678914 100644
--- a/drivers/clk/tegra/clk.h
+++ b/drivers/clk/tegra/clk.h
@@ -157,7 +157,7 @@ struct div_nmp {
};
/**
- * struct clk_pll_params - PLL parameters
+ * struct tegra_clk_pll_params - PLL parameters
*
* @input_min: Minimum input frequency
* @input_max: Maximum input frequency
@@ -168,9 +168,45 @@ struct div_nmp {
* @base_reg: PLL base reg offset
* @misc_reg: PLL misc reg offset
* @lock_reg: PLL lock reg offset
- * @lock_bit_idx: Bit index for PLL lock status
+ * @lock_mask: Bitmask for PLL lock status
* @lock_enable_bit_idx: Bit index to enable PLL lock
+ * @iddq_reg: PLL IDDQ register offset
+ * @iddq_bit_idx: Bit index to enable PLL IDDQ
+ * @aux_reg: AUX register offset
+ * @dyn_ramp_reg: Dynamic ramp control register offset
+ * @ext_misc_reg: Miscellaneous control register offsets
+ * @pmc_divnm_reg: n, m divider PMC override register offset (PLLM)
+ * @pmc_divp_reg: p divider PMC override register offset (PLLM)
+ * @flags: PLL flags
+ * @stepa_shift: Dynamic ramp step A field shift
+ * @stepb_shift: Dynamic ramp step B field shift
* @lock_delay: Delay in us if PLL lock is not used
+ * @max_p: maximum value for the p divider
+ * @pdiv_tohw: mapping of p divider to register values
+ * @div_nmp: offsets and widths on n, m and p fields
+ * @freq_table: array of frequencies supported by PLL
+ * @fixed_rate: PLL rate if it is fixed
+ *
+ * Flags:
+ * TEGRA_PLL_USE_LOCK - This flag indicated to use lock bits for
+ * PLL locking. If not set it will use lock_delay value to wait.
+ * TEGRA_PLL_HAS_CPCON - This flag indicates that CPCON value needs
+ * to be programmed to change output frequency of the PLL.
+ * TEGRA_PLL_SET_LFCON - This flag indicates that LFCON value needs
+ * to be programmed to change output frequency of the PLL.
+ * TEGRA_PLL_SET_DCCON - This flag indicates that DCCON value needs
+ * to be programmed to change output frequency of the PLL.
+ * TEGRA_PLLU - PLLU has inverted post divider. This flags indicated
+ * that it is PLLU and invert post divider value.
+ * TEGRA_PLLM - PLLM has additional override settings in PMC. This
+ * flag indicates that it is PLLM and use override settings.
+ * TEGRA_PLL_FIXED - We are not supposed to change output frequency
+ * of some plls.
+ * TEGRA_PLLE_CONFIGURE - Configure PLLE when enabling.
+ * TEGRA_PLL_LOCK_MISC - Lock bit is in the misc register instead of the
+ * base register.
+ * TEGRA_PLL_BYPASS - PLL has bypass bit
+ * TEGRA_PLL_HAS_LOCK_ENABLE - PLL has bit to enable lock monitoring
*/
struct tegra_clk_pll_params {
unsigned long input_min;
@@ -203,38 +239,26 @@ struct tegra_clk_pll_params {
unsigned long fixed_rate;
};
+#define TEGRA_PLL_USE_LOCK BIT(0)
+#define TEGRA_PLL_HAS_CPCON BIT(1)
+#define TEGRA_PLL_SET_LFCON BIT(2)
+#define TEGRA_PLL_SET_DCCON BIT(3)
+#define TEGRA_PLLU BIT(4)
+#define TEGRA_PLLM BIT(5)
+#define TEGRA_PLL_FIXED BIT(6)
+#define TEGRA_PLLE_CONFIGURE BIT(7)
+#define TEGRA_PLL_LOCK_MISC BIT(8)
+#define TEGRA_PLL_BYPASS BIT(9)
+#define TEGRA_PLL_HAS_LOCK_ENABLE BIT(10)
+
/**
* struct tegra_clk_pll - Tegra PLL clock
*
* @hw: handle between common and hardware-specifix interfaces
* @clk_base: address of CAR controller
* @pmc: address of PMC, required to read override bits
- * @freq_table: array of frequencies supported by PLL
- * @params: PLL parameters
- * @flags: PLL flags
- * @fixed_rate: PLL rate if it is fixed
* @lock: register lock
- *
- * Flags:
- * TEGRA_PLL_USE_LOCK - This flag indicated to use lock bits for
- * PLL locking. If not set it will use lock_delay value to wait.
- * TEGRA_PLL_HAS_CPCON - This flag indicates that CPCON value needs
- * to be programmed to change output frequency of the PLL.
- * TEGRA_PLL_SET_LFCON - This flag indicates that LFCON value needs
- * to be programmed to change output frequency of the PLL.
- * TEGRA_PLL_SET_DCCON - This flag indicates that DCCON value needs
- * to be programmed to change output frequency of the PLL.
- * TEGRA_PLLU - PLLU has inverted post divider. This flags indicated
- * that it is PLLU and invert post divider value.
- * TEGRA_PLLM - PLLM has additional override settings in PMC. This
- * flag indicates that it is PLLM and use override settings.
- * TEGRA_PLL_FIXED - We are not supposed to change output frequency
- * of some plls.
- * TEGRA_PLLE_CONFIGURE - Configure PLLE when enabling.
- * TEGRA_PLL_LOCK_MISC - Lock bit is in the misc register instead of the
- * base register.
- * TEGRA_PLL_BYPASS - PLL has bypass bit
- * TEGRA_PLL_HAS_LOCK_ENABLE - PLL has bit to enable lock monitoring
+ * @params: PLL parameters
*/
struct tegra_clk_pll {
struct clk_hw hw;
@@ -246,17 +270,20 @@ struct tegra_clk_pll {
#define to_clk_pll(_hw) container_of(_hw, struct tegra_clk_pll, hw)
-#define TEGRA_PLL_USE_LOCK BIT(0)
-#define TEGRA_PLL_HAS_CPCON BIT(1)
-#define TEGRA_PLL_SET_LFCON BIT(2)
-#define TEGRA_PLL_SET_DCCON BIT(3)
-#define TEGRA_PLLU BIT(4)
-#define TEGRA_PLLM BIT(5)
-#define TEGRA_PLL_FIXED BIT(6)
-#define TEGRA_PLLE_CONFIGURE BIT(7)
-#define TEGRA_PLL_LOCK_MISC BIT(8)
-#define TEGRA_PLL_BYPASS BIT(9)
-#define TEGRA_PLL_HAS_LOCK_ENABLE BIT(10)
+/**
+ * struct tegra_audio_clk_info - Tegra Audio Clk Information
+ *
+ * @name: name for the audio pll
+ * @pll_params: pll_params for audio pll
+ * @clk_id: clk_ids for the audio pll
+ * @parent: name of the parent of the audio pll
+ */
+struct tegra_audio_clk_info {
+ char *name;
+ struct tegra_clk_pll_params *pll_params;
+ int clk_id;
+ char *parent;
+};
extern const struct clk_ops tegra_clk_pll_ops;
extern const struct clk_ops tegra_clk_plle_ops;
@@ -610,7 +637,8 @@ void tegra_register_devclks(struct tegra_devclk *dev_clks, int num);
void tegra_audio_clk_init(void __iomem *clk_base,
void __iomem *pmc_base, struct tegra_clk *tegra_clks,
- struct tegra_clk_pll_params *pll_params);
+ struct tegra_audio_clk_info *audio_info,
+ unsigned int num_plls);
void tegra_periph_clk_init(void __iomem *clk_base, void __iomem *pmc_base,
struct tegra_clk *tegra_clks,