clk: iproc: Add support for Cygnus audio clocks

This patch adds support for Broadcom Cygnus audio PLL and leaf
clocks

Signed-off-by: Simran Rai <ssimran@broadcom.com>
Reviewed-by: Scott Branden <sbranden@broadcom.com>
Signed-off-by: Ray Jui <rjui@broadcom.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>

1 files changed, 21 insertions, 0 deletions

diff --git a/drivers/clk/bcm/clk-iproc.h b/drivers/clk/bcm/clk-iproc.h
index 8988de70a98c..febae119f9ef 100644
--- a/drivers/clk/bcm/clk-iproc.h
+++ b/drivers/clk/bcm/clk-iproc.h
@@ -61,6 +61,26 @@
 #define IPROC_CLK_PLL_SPLIT_STAT_CTRL BIT(6)
 
 /*
+ * Some PLLs have an additional divide by 2 in master clock calculation;
+ * MCLK = VCO_freq / (Mdiv * 2). Identify this to let the driver know
+ * of modified calculations
+ */
+#define IPROC_CLK_MCLK_DIV_BY_2 BIT(7)
+
+/*
+ * Some PLLs provide a look up table for the leaf clock frequencies and
+ * auto calculates VCO frequency parameters based on the provided leaf
+ * clock frequencies. They have a user mode that allows the divider
+ * controls to be determined by the user
+ */
+#define IPROC_CLK_PLL_USER_MODE_ON BIT(8)
+
+/*
+ * Some PLLs have an active low reset
+ */
+#define IPROC_CLK_PLL_RESET_ACTIVE_LOW BIT(9)
+
+/*
  * Parameters for VCO frequency configuration
  *
  * VCO frequency =
@@ -149,6 +169,7 @@ struct iproc_pll_ctrl {
 	struct iproc_clk_reg_op pdiv;
 	struct iproc_pll_vco_ctrl vco_ctrl;
 	struct iproc_clk_reg_op status;
+	struct iproc_clk_reg_op macro_mode;
 };
 
 /*