ARM: keystone2: Cleanup PLL init code

There are two types of PLL for all keystone platforms:
Main PLL, Secondary PLL. Instead of duplicating the same definition
for each secondary PLL, have a common function which does
initialization for both PLLs. And also add proper register
definitions.

Reviewed-by: Tom Rini <trini@konsulko.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>

3 files changed, 64 insertions, 7 deletions

diff --git a/arch/arm/mach-keystone/include/mach/clock-k2e.h b/arch/arm/mach-keystone/include/mach/clock-k2e.h
index d013b83..68e15ac 100644
--- a/arch/arm/mach-keystone/include/mach/clock-k2e.h
+++ b/arch/arm/mach-keystone/include/mach/clock-k2e.h
@@ -55,6 +55,7 @@ enum pll_type_e {
 	CORE_PLL,
 	PASS_PLL,
 	DDR3_PLL,
+	TETRIS_PLL,
 };
 
 enum {
diff --git a/arch/arm/mach-keystone/include/mach/clock.h b/arch/arm/mach-keystone/include/mach/clock.h
index 9f6cfb2..8d4cad2 100644
--- a/arch/arm/mach-keystone/include/mach/clock.h
+++ b/arch/arm/mach-keystone/include/mach/clock.h
@@ -52,13 +52,13 @@ struct pll_init_data {
 extern const struct keystone_pll_regs keystone_pll_regs[];
 extern int dev_speeds[];
 extern int arm_speeds[];
+extern s16 divn_val[];
 
 void init_plls(int num_pll, struct pll_init_data *config);
 void init_pll(const struct pll_init_data *data);
 unsigned long clk_get_rate(unsigned int clk);
 unsigned long clk_round_rate(unsigned int clk, unsigned long hz);
 int clk_set_rate(unsigned int clk, unsigned long hz);
-void pass_pll_pa_clk_enable(void);
 int get_max_dev_speed(void);
 int get_max_arm_speed(void);
 
diff --git a/arch/arm/mach-keystone/include/mach/clock_defs.h b/arch/arm/mach-keystone/include/mach/clock_defs.h
index 85a046b..1c9dc3e 100644
--- a/arch/arm/mach-keystone/include/mach/clock_defs.h
+++ b/arch/arm/mach-keystone/include/mach/clock_defs.h
@@ -69,7 +69,6 @@ static struct pllctl_regs *pllctl_regs[] = {
 
 #define pll0div_read(N) ((pllctl_reg_read(CORE_PLL, div##N) & 0xff) + 1)
 
-/* PLLCTL Bits */
 #define PLLCTL_BYPASS           BIT(23)
 #define PLL_PLLRST              BIT(14)
 #define PLLCTL_PAPLL            BIT(13)
@@ -102,10 +101,67 @@ static struct pllctl_regs *pllctl_regs[] = {
 #define PLL_BWADJ_LO_SMASK      (PLL_BWADJ_LO_MASK << PLL_BWADJ_LO_SHIFT)
 #define PLL_BWADJ_HI_MASK       0xf
 
-#define PLLM_RATIO_DIV1         (PLLDIV_ENABLE | 0x0)
-#define PLLM_RATIO_DIV2         (PLLDIV_ENABLE | 0x0)
-#define PLLM_RATIO_DIV3         (PLLDIV_ENABLE | 0x1)
-#define PLLM_RATIO_DIV4         (PLLDIV_ENABLE | 0x4)
-#define PLLM_RATIO_DIV5         (PLLDIV_ENABLE | 0x17)
+/* PLLCTL Bits */
+#define PLLCTL_PLLENSRC_SHIF	5
+#define PLLCTL_PLLENSRC_MASK	BIT(5)
+#define PLLCTL_PLLRST_SHIFT	3
+#define PLLCTL_PLLRST_MASK	BIT(3)
+#define PLLCTL_PLLPWRDN_SHIFT	1
+#define PLLCTL_PLLPWRDN_MASK	BIT(1)
+#define PLLCTL_PLLEN_SHIFT	0
+#define PLLCTL_PLLEN_MASK	BIT(0)
+
+/* SECCTL Bits */
+#define SECCTL_BYPASS_SHIFT	23
+#define SECCTL_BYPASS_MASK	BIT(23)
+#define SECCTL_OP_DIV_SHIFT	19
+#define SECCTL_OP_DIV_MASK	(0xf << 19)
+
+/* PLLM Bits */
+#define PLLM_MULT_LO_SHIFT	0
+#define PLLM_MULT_LO_MASK	0x3f
+#define PLLM_MULT_LO_BITS	6
+
+/* PLLDIVn Bits */
+#define PLLDIV_ENABLE_SHIFT	15
+#define PLLDIV_ENABLE_MASK	BIT(15)
+#define PLLDIV_RATIO_SHIFT	0x0
+#define PLLDIV_RATIO_MASK	0xff
+#define PLLDIV_MAX		16
+
+/* PLLCMD Bits */
+#define PLLCMD_GOSET_SHIFT	0
+#define PLLCMD_GOSET_MASK	BIT(0)
+
+/* PLLSTAT Bits */
+#define PLLSTAT_GOSTAT_SHIFT	0
+#define PLLSTAT_GOSTAT_MASK	BIT(0)
+
+/* Device Config PLLCTL0 */
+#define CFG_PLLCTL0_BWADJ_SHIFT		24
+#define CFG_PLLCTL0_BWADJ_MASK		(0xff << 24)
+#define CFG_PLLCTL0_BWADJ_BITS		8
+#define CFG_PLLCTL0_BYPASS_SHIFT	23
+#define CFG_PLLCTL0_BYPASS_MASK		BIT(23)
+#define CFG_PLLCTL0_CLKOD_SHIFT		19
+#define CFG_PLLCTL0_CLKOD_MASK		(0xf << 19)
+#define CFG_PLLCTL0_PLLM_HI_SHIFT	12
+#define CFG_PLLCTL0_PLLM_HI_MASK	(0x7f << 12)
+#define CFG_PLLCTL0_PLLM_SHIFT		6
+#define CFG_PLLCTL0_PLLM_MASK		(0x1fff << 6)
+#define CFG_PLLCTL0_PLLD_SHIFT		0
+#define CFG_PLLCTL0_PLLD_MASK		0x3f
+
+/* Device Config PLLCTL1 */
+#define CFG_PLLCTL1_RST_SHIFT	14
+#define CFG_PLLCTL1_RST_MASK	BIT(14)
+#define CFG_PLLCTL1_PAPLL_SHIFT	13
+#define CFG_PLLCTL1_PAPLL_MASK	BIT(13)
+#define CFG_PLLCTL1_ENSAT_SHIFT	6
+#define CFG_PLLCTL1_ENSAT_MASK	BIT(6)
+#define CFG_PLLCTL1_BWADJ_SHIFT	0
+#define CFG_PLLCTL1_BWADJ_MASK	0xf
+
+#define MISC_CTL1_ARM_PLL_EN	BIT(13)
 
 #endif  /* _CLOCK_DEFS_H_ */