clk: ti: move interface clock implementation under drivers/clk

With the legacy clock support gone, the OMAP interface clock implementation
can be moved under the clock driver. Some temporary header file tweaks are
also needed to make this change work properly.

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

diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index 5bcd282f04b3262d3e59e9933ccfc67e2b8e6eba..a2f51564e8d423f9cb21ccaa0976f8a2f5e2ab79 100644 (file)
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -185,13 +185,12 @@ obj-$(CONFIG_SOC_DRA7XX)          += clockdomains7xx_data.o
 obj-$(CONFIG_ARCH_OMAP2)               += $(clock-common) clock2xxx.o
 obj-$(CONFIG_ARCH_OMAP2)               += clkt2xxx_dpllcore.o
 obj-$(CONFIG_ARCH_OMAP2)               += clkt2xxx_virt_prcm_set.o
-obj-$(CONFIG_ARCH_OMAP2)               += clkt2xxx_dpll.o clkt_iclk.o
+obj-$(CONFIG_ARCH_OMAP2)               += clkt2xxx_dpll.o
 obj-$(CONFIG_SOC_OMAP2430)             += clock2430.o
 obj-$(CONFIG_ARCH_OMAP3)               += $(clock-common) clock3xxx.o
 obj-$(CONFIG_ARCH_OMAP3)               += clock34xx.o clkt34xx_dpll3m2.o
 obj-$(CONFIG_ARCH_OMAP3)               += clock3517.o clock36xx.o
 obj-$(CONFIG_ARCH_OMAP3)               += dpll3xxx.o
-obj-$(CONFIG_ARCH_OMAP3)               += clkt_iclk.o
 obj-$(CONFIG_ARCH_OMAP4)               += $(clock-common)
 obj-$(CONFIG_ARCH_OMAP4)               += dpll3xxx.o
 obj-$(CONFIG_SOC_AM33XX)               += $(clock-common) dpll3xxx.o

diff --git a/arch/arm/mach-omap2/clkt_iclk.c b/arch/arm/mach-omap2/clkt_iclk.c
deleted file mode 100644 (file)
index 55eb579..0000000
--- a/arch/arm/mach-omap2/clkt_iclk.c
+++ /dev/null
@@ -1,68 +0,0 @@
-/*
- * OMAP2/3 interface clock control
- *
- * Copyright (C) 2011 Nokia Corporation
- * Paul Walmsley
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-#undef DEBUG
-
-#include <linux/kernel.h>
-#include <linux/clk-provider.h>
-#include <linux/io.h>
-
-#include "clock.h"
-
-/* Register offsets */
-#define CM_AUTOIDLE                    0x30
-#define CM_ICLKEN                      0x10
-
-/* Private functions */
-
-/* XXX */
-void omap2_clkt_iclk_allow_idle(struct clk_hw_omap *clk)
-{
-       u32 v;
-       void __iomem *r;
-
-       r = (__force void __iomem *)
-               ((__force u32)clk->enable_reg ^ (CM_AUTOIDLE ^ CM_ICLKEN));
-
-       v = omap2_clk_readl(clk, r);
-       v |= (1 << clk->enable_bit);
-       omap2_clk_writel(v, clk, r);
-}
-
-/* XXX */
-void omap2_clkt_iclk_deny_idle(struct clk_hw_omap *clk)
-{
-       u32 v;
-       void __iomem *r;
-
-       r = (__force void __iomem *)
-               ((__force u32)clk->enable_reg ^ (CM_AUTOIDLE ^ CM_ICLKEN));
-
-       v = omap2_clk_readl(clk, r);
-       v &= ~(1 << clk->enable_bit);
-       omap2_clk_writel(v, clk, r);
-}
-
-/* Public data */
-
-const struct clk_hw_omap_ops clkhwops_iclk = {
-       .allow_idle     = omap2_clkt_iclk_allow_idle,
-       .deny_idle      = omap2_clkt_iclk_deny_idle,
-};
-
-const struct clk_hw_omap_ops clkhwops_iclk_wait = {
-       .allow_idle     = omap2_clkt_iclk_allow_idle,
-       .deny_idle      = omap2_clkt_iclk_deny_idle,
-       .find_idlest    = omap2_clk_dflt_find_idlest,
-       .find_companion = omap2_clk_dflt_find_companion,
-};
-
-
-

diff --git a/arch/arm/mach-omap2/clock.h b/arch/arm/mach-omap2/clock.h
index d7ed2446057cc0d286c7ad8ca6c1b3e7be2cf024..ca8c42c70db52798dd5362034ddcd510081e997d 100644 (file)
--- a/arch/arm/mach-omap2/clock.h
+++ b/arch/arm/mach-omap2/clock.h
@@ -198,16 +198,6 @@ int omap2_clksel_set_rate(struct clk_hw *hw, unsigned long rate,
                                unsigned long parent_rate);
 int omap2_clksel_set_parent(struct clk_hw *hw, u8 field_val);
 
-/* clkt_iclk.c public functions */
-extern void omap2_clkt_iclk_allow_idle(struct clk_hw_omap *clk);
-extern void omap2_clkt_iclk_deny_idle(struct clk_hw_omap *clk);
-
-void omap2_clk_dflt_find_companion(struct clk_hw_omap *clk,
-                                  void __iomem **other_reg,
-                                  u8 *other_bit);
-void omap2_clk_dflt_find_idlest(struct clk_hw_omap *clk,
-                               void __iomem **idlest_reg,
-                               u8 *idlest_bit, u8 *idlest_val);
 int omap2_clk_enable_autoidle_all(void);
 int omap2_clk_allow_idle(struct clk *clk);
 int omap2_clk_deny_idle(struct clk *clk);
@@ -231,7 +221,6 @@ extern const struct clksel_rate gpt_sys_rates[];
 extern const struct clksel_rate gfx_l3_rates[];
 extern const struct clksel_rate dsp_ick_rates[];
 
-extern const struct clk_hw_omap_ops clkhwops_iclk_wait;
 extern const struct clk_hw_omap_ops clkhwops_wait;
 extern const struct clk_hw_omap_ops clkhwops_omap3430es2_ssi_wait;
 extern const struct clk_hw_omap_ops clkhwops_omap3430es2_dss_usbhost_wait;

diff --git a/drivers/clk/ti/Makefile b/drivers/clk/ti/Makefile
index c3ec3014fb2d80269c7e9b495aefcd66c503bde5..23cd726389706525b9da28ed43d0f2174e764a6c 100644 (file)
--- a/drivers/clk/ti/Makefile
+++ b/drivers/clk/ti/Makefile
@@ -1,7 +1,7 @@
 obj-y                                  += clk.o autoidle.o clockdomain.o
 clk-common                             = dpll.o composite.o divider.o gate.o \
                                          fixed-factor.o mux.o apll.o \
-                                         clkt_dpll.o
+                                         clkt_dpll.o clkt_iclk.o
 obj-$(CONFIG_SOC_AM33XX)               += $(clk-common) clk-33xx.o
 obj-$(CONFIG_SOC_TI81XX)               += $(clk-common) fapll.o clk-816x.o
 obj-$(CONFIG_ARCH_OMAP2)               += $(clk-common) interface.o clk-2xxx.o

diff --git a/drivers/clk/ti/clkt_iclk.c b/drivers/clk/ti/clkt_iclk.c
new file mode 100644 (file)
index 0000000..a03919d
--- /dev/null
+++ b/drivers/clk/ti/clkt_iclk.c
@@ -0,0 +1,66 @@
+/*
+ * OMAP2/3 interface clock control
+ *
+ * Copyright (C) 2011 Nokia Corporation
+ * Paul Walmsley
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#undef DEBUG
+
+#include <linux/kernel.h>
+#include <linux/clk-provider.h>
+#include <linux/io.h>
+#include <linux/clk/ti.h>
+
+#include "clock.h"
+
+/* Register offsets */
+#define CM_AUTOIDLE                    0x30
+#define CM_ICLKEN                      0x10
+
+/* Private functions */
+
+/* XXX */
+void omap2_clkt_iclk_allow_idle(struct clk_hw_omap *clk)
+{
+       u32 v;
+       void __iomem *r;
+
+       r = (__force void __iomem *)
+               ((__force u32)clk->enable_reg ^ (CM_AUTOIDLE ^ CM_ICLKEN));
+
+       v = ti_clk_ll_ops->clk_readl(r);
+       v |= (1 << clk->enable_bit);
+       ti_clk_ll_ops->clk_writel(v, r);
+}
+
+/* XXX */
+void omap2_clkt_iclk_deny_idle(struct clk_hw_omap *clk)
+{
+       u32 v;
+       void __iomem *r;
+
+       r = (__force void __iomem *)
+               ((__force u32)clk->enable_reg ^ (CM_AUTOIDLE ^ CM_ICLKEN));
+
+       v = ti_clk_ll_ops->clk_readl(r);
+       v &= ~(1 << clk->enable_bit);
+       ti_clk_ll_ops->clk_writel(v, r);
+}
+
+/* Public data */
+
+const struct clk_hw_omap_ops clkhwops_iclk = {
+       .allow_idle     = omap2_clkt_iclk_allow_idle,
+       .deny_idle      = omap2_clkt_iclk_deny_idle,
+};
+
+const struct clk_hw_omap_ops clkhwops_iclk_wait = {
+       .allow_idle     = omap2_clkt_iclk_allow_idle,
+       .deny_idle      = omap2_clkt_iclk_deny_idle,
+       .find_idlest    = omap2_clk_dflt_find_idlest,
+       .find_companion = omap2_clk_dflt_find_companion,
+};

diff --git a/drivers/clk/ti/clock.h b/drivers/clk/ti/clock.h
index c75d4b44cbef4fa8a05ecd80683f8de4b45a9238..a7256a98201d9d11d2f4813ca1cbe27602091290 100644 (file)
--- a/drivers/clk/ti/clock.h
+++ b/drivers/clk/ti/clock.h
@@ -170,6 +170,8 @@ struct clk *ti_clk_register_clk(struct ti_clk *setup);
 int ti_clk_register_legacy_clks(struct ti_clk_alias *clks);
 
 extern const struct clk_hw_omap_ops clkhwops_omap4_dpllmx;
+extern const struct clk_hw_omap_ops clkhwops_iclk;
+extern const struct clk_hw_omap_ops clkhwops_iclk_wait;
 
 u8 omap2_init_dpll_parent(struct clk_hw *hw);
 

diff --git a/include/linux/clk/ti.h b/include/linux/clk/ti.h
index ee59e076340f26c0ddff5f47657267ddfa37486b..79e143dfc7931df0b674f9dc5199437f0c67e8ab 100644 (file)
--- a/include/linux/clk/ti.h
+++ b/include/linux/clk/ti.h
@@ -296,6 +296,14 @@ int omap3_dpll4_set_rate_and_parent(struct clk_hw *hw, unsigned long rate,
 int omap2_dflt_clk_enable(struct clk_hw *hw);
 void omap2_dflt_clk_disable(struct clk_hw *hw);
 int omap2_dflt_clk_is_enabled(struct clk_hw *hw);
+void omap2_clkt_iclk_allow_idle(struct clk_hw_omap *clk);
+void omap2_clkt_iclk_deny_idle(struct clk_hw_omap *clk);
+void omap2_clk_dflt_find_companion(struct clk_hw_omap *clk,
+                                  void __iomem **other_reg,
+                                  u8 *other_bit);
+void omap2_clk_dflt_find_idlest(struct clk_hw_omap *clk,
+                               void __iomem **idlest_reg,
+                               u8 *idlest_bit, u8 *idlest_val);
 void omap3_clk_lock_dpll5(void);
 unsigned long omap2_dpllcore_recalc(struct clk_hw *hw,
                                    unsigned long parent_rate);
@@ -358,8 +366,6 @@ extern const struct clk_hw_omap_ops clkhwops_wait;
 extern const struct clk_hw_omap_ops clkhwops_omap3430es2_dss_usbhost_wait;
 extern const struct clk_hw_omap_ops clkhwops_am35xx_ipss_module_wait;
 extern const struct clk_hw_omap_ops clkhwops_am35xx_ipss_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_omap3430es2_iclk_ssi_wait;
 extern const struct clk_hw_omap_ops clkhwops_omap3430es2_iclk_dss_usbhost_wait;
 extern const struct clk_hw_omap_ops clkhwops_omap3430es2_iclk_hsotgusb_wait;