clk: ti: omap34xx: move omap34xx clock type support code to clock driver

With the legacy clock data gone, this is no longer needed under platform,
so move it under the clock driver itself. Remove unnecessary declarations
from the TI clock header also.

Signed-off-by: Tero Kristo <t-kristo@ti.com>

2 files changed, 122 insertions, 0 deletions

diff --git a/drivers/clk/ti/clk-3xxx.c b/drivers/clk/ti/clk-3xxx.c
index 5489ad8c07d4..58879f0b7949 100644
--- a/drivers/clk/ti/clk-3xxx.c
+++ b/drivers/clk/ti/clk-3xxx.c
@@ -28,6 +28,124 @@
  */
 #define DPLL5_FREQ_FOR_USBHOST		120000000
 
+#define OMAP3430ES2_ST_DSS_IDLE_SHIFT			1
+#define OMAP3430ES2_ST_HSOTGUSB_IDLE_SHIFT		5
+#define OMAP3430ES2_ST_SSI_IDLE_SHIFT			8
+
+#define OMAP34XX_CM_IDLEST_VAL				1
+
+/**
+ * omap3430es2_clk_ssi_find_idlest - return CM_IDLEST info for SSI
+ * @clk: struct clk * being enabled
+ * @idlest_reg: void __iomem ** to store CM_IDLEST reg address into
+ * @idlest_bit: pointer to a u8 to store the CM_IDLEST bit shift into
+ * @idlest_val: pointer to a u8 to store the CM_IDLEST indicator
+ *
+ * The OMAP3430ES2 SSI target CM_IDLEST bit is at a different shift
+ * from the CM_{I,F}CLKEN bit.  Pass back the correct info via
+ * @idlest_reg and @idlest_bit.  No return value.
+ */
+static void omap3430es2_clk_ssi_find_idlest(struct clk_hw_omap *clk,
+					    void __iomem **idlest_reg,
+					    u8 *idlest_bit,
+					    u8 *idlest_val)
+{
+	u32 r;
+
+	r = (((__force u32)clk->enable_reg & ~0xf0) | 0x20);
+	*idlest_reg = (__force void __iomem *)r;
+	*idlest_bit = OMAP3430ES2_ST_SSI_IDLE_SHIFT;
+	*idlest_val = OMAP34XX_CM_IDLEST_VAL;
+}
+
+const struct clk_hw_omap_ops clkhwops_omap3430es2_ssi_wait = {
+	.find_idlest	= omap3430es2_clk_ssi_find_idlest,
+	.find_companion	= omap2_clk_dflt_find_companion,
+};
+
+const struct clk_hw_omap_ops clkhwops_omap3430es2_iclk_ssi_wait = {
+	.allow_idle	= omap2_clkt_iclk_allow_idle,
+	.deny_idle	= omap2_clkt_iclk_deny_idle,
+	.find_idlest	= omap3430es2_clk_ssi_find_idlest,
+	.find_companion	= omap2_clk_dflt_find_companion,
+};
+
+/**
+ * omap3430es2_clk_dss_usbhost_find_idlest - CM_IDLEST info for DSS, USBHOST
+ * @clk: struct clk * being enabled
+ * @idlest_reg: void __iomem ** to store CM_IDLEST reg address into
+ * @idlest_bit: pointer to a u8 to store the CM_IDLEST bit shift into
+ * @idlest_val: pointer to a u8 to store the CM_IDLEST indicator
+ *
+ * Some OMAP modules on OMAP3 ES2+ chips have both initiator and
+ * target IDLEST bits.  For our purposes, we are concerned with the
+ * target IDLEST bits, which exist at a different bit position than
+ * the *CLKEN bit position for these modules (DSS and USBHOST) (The
+ * default find_idlest code assumes that they are at the same
+ * position.)  No return value.
+ */
+static void omap3430es2_clk_dss_usbhost_find_idlest(struct clk_hw_omap *clk,
+						    void __iomem **idlest_reg,
+						    u8 *idlest_bit,
+						    u8 *idlest_val)
+{
+	u32 r;
+
+	r = (((__force u32)clk->enable_reg & ~0xf0) | 0x20);
+	*idlest_reg = (__force void __iomem *)r;
+	/* USBHOST_IDLE has same shift */
+	*idlest_bit = OMAP3430ES2_ST_DSS_IDLE_SHIFT;
+	*idlest_val = OMAP34XX_CM_IDLEST_VAL;
+}
+
+const struct clk_hw_omap_ops clkhwops_omap3430es2_dss_usbhost_wait = {
+	.find_idlest	= omap3430es2_clk_dss_usbhost_find_idlest,
+	.find_companion	= omap2_clk_dflt_find_companion,
+};
+
+const struct clk_hw_omap_ops clkhwops_omap3430es2_iclk_dss_usbhost_wait = {
+	.allow_idle	= omap2_clkt_iclk_allow_idle,
+	.deny_idle	= omap2_clkt_iclk_deny_idle,
+	.find_idlest	= omap3430es2_clk_dss_usbhost_find_idlest,
+	.find_companion	= omap2_clk_dflt_find_companion,
+};
+
+/**
+ * omap3430es2_clk_hsotgusb_find_idlest - return CM_IDLEST info for HSOTGUSB
+ * @clk: struct clk * being enabled
+ * @idlest_reg: void __iomem ** to store CM_IDLEST reg address into
+ * @idlest_bit: pointer to a u8 to store the CM_IDLEST bit shift into
+ * @idlest_val: pointer to a u8 to store the CM_IDLEST indicator
+ *
+ * The OMAP3430ES2 HSOTGUSB target CM_IDLEST bit is at a different
+ * shift from the CM_{I,F}CLKEN bit.  Pass back the correct info via
+ * @idlest_reg and @idlest_bit.  No return value.
+ */
+static void omap3430es2_clk_hsotgusb_find_idlest(struct clk_hw_omap *clk,
+						 void __iomem **idlest_reg,
+						 u8 *idlest_bit,
+						 u8 *idlest_val)
+{
+	u32 r;
+
+	r = (((__force u32)clk->enable_reg & ~0xf0) | 0x20);
+	*idlest_reg = (__force void __iomem *)r;
+	*idlest_bit = OMAP3430ES2_ST_HSOTGUSB_IDLE_SHIFT;
+	*idlest_val = OMAP34XX_CM_IDLEST_VAL;
+}
+
+const struct clk_hw_omap_ops clkhwops_omap3430es2_iclk_hsotgusb_wait = {
+	.allow_idle	= omap2_clkt_iclk_allow_idle,
+	.deny_idle	= omap2_clkt_iclk_deny_idle,
+	.find_idlest	= omap3430es2_clk_hsotgusb_find_idlest,
+	.find_companion	= omap2_clk_dflt_find_companion,
+};
+
+const struct clk_hw_omap_ops clkhwops_omap3430es2_hsotgusb_wait = {
+	.find_idlest	= omap3430es2_clk_hsotgusb_find_idlest,
+	.find_companion	= omap2_clk_dflt_find_companion,
+};
+
 static struct ti_dt_clk omap3xxx_clks[] = {
 	DT_CLK(NULL, "apb_pclk", "dummy_apb_pclk"),
 	DT_CLK(NULL, "omap_32k_fck", "omap_32k_fck"),
diff --git a/drivers/clk/ti/clock.h b/drivers/clk/ti/clock.h
index 83476d12d561..c6fbd153b6d4 100644
--- a/drivers/clk/ti/clock.h
+++ b/drivers/clk/ti/clock.h
@@ -179,6 +179,10 @@ extern const struct clk_hw_omap_ops clkhwops_wait;
 extern const struct clk_hw_omap_ops clkhwops_iclk;
 extern const struct clk_hw_omap_ops clkhwops_iclk_wait;
 extern const struct clk_hw_omap_ops clkhwops_omap2430_i2chs_wait;
+extern const struct clk_hw_omap_ops clkhwops_omap3430es2_dss_usbhost_wait;
+extern const struct clk_hw_omap_ops clkhwops_omap3430es2_iclk_hsotgusb_wait;
+extern const struct clk_hw_omap_ops clkhwops_omap3430es2_iclk_dss_usbhost_wait;
+extern const struct clk_hw_omap_ops clkhwops_omap3430es2_iclk_ssi_wait;
 
 int omap2_clkops_enable_clkdm(struct clk_hw *hw);
 void omap2_clkops_disable_clkdm(struct clk_hw *hw);