The clock and clkdev for this are added manually.
Signed-off-by: Tero Kristo <t-kristo@xxxxxx>
---
arch/arm/mach-omap2/clkt2xxx_virt_prcm_set.c | 53 ++++++++++++++++++++++++++
drivers/clk/ti/clk-2xxx.c | 2 +
include/linux/clk/ti.h | 1 +
3 files changed, 56 insertions(+)
diff --git a/arch/arm/mach-omap2/clkt2xxx_virt_prcm_set.c b/arch/arm/mach-omap2/clkt2xxx_virt_prcm_set.c
index b935ed2..85e0b0c0 100644
--- a/arch/arm/mach-omap2/clkt2xxx_virt_prcm_set.c
+++ b/arch/arm/mach-omap2/clkt2xxx_virt_prcm_set.c
@@ -208,3 +208,56 @@ void omap2xxx_clkt_vps_late_init(void)
clk_put(c);
}
}
+
+#ifdef CONFIG_OF
+#include <linux/clk-provider.h>
+#include <linux/clkdev.h>
+
+static const struct clk_ops virt_prcm_set_ops = {
+ .recalc_rate = &omap2_table_mpu_recalc,
+ .set_rate = &omap2_select_table_rate,
+ .round_rate = &omap2_round_to_table_rate,
+};
+
+/**
+ * omap2xxx_clkt_vps_init - initialize virt_prcm_set clock
+ *
+ * Does a manual init for the virtual prcm DVFS clock for OMAP2. This
+ * function is called only from omap2 DT clock init, as the virtual
+ * node is not modelled in the DT clock data.
+ */
+void omap2xxx_clkt_vps_init(void)
+{
+ struct clk_init_data init = { NULL };
+ struct clk_hw_omap *hw = NULL;
+ struct clk *clk;
+ const char *parent_name = "mpu_ck";
+ struct clk_lookup *lookup = NULL;
+
+ omap2xxx_clkt_vps_late_init();
+ omap2xxx_clkt_vps_check_bootloader_rates();
+
+ hw = kzalloc(sizeof(*hw), GFP_KERNEL);
+ lookup = kzalloc(sizeof(*lookup), GFP_KERNEL);
+ if (!hw || !lookup)
+ goto cleanup;
+ init.name = "virt_prcm_set";
+ init.ops = &virt_prcm_set_ops;
+ init.parent_names = &parent_name;
+ init.num_parents = 1;
+
+ hw->hw.init = &init;
+
+ clk = clk_register(NULL, &hw->hw);
+
+ lookup->dev_id = NULL;
+ lookup->con_id = "cpufreq_ck";
+ lookup->clk = clk;
+
+ clkdev_add(lookup);
+ return;
+cleanup:
+ kfree(hw);
+ kfree(lookup);
+}
+#endif
diff --git a/drivers/clk/ti/clk-2xxx.c b/drivers/clk/ti/clk-2xxx.c
index f6400fb..c808ab3 100644
--- a/drivers/clk/ti/clk-2xxx.c
+++ b/drivers/clk/ti/clk-2xxx.c
@@ -229,6 +229,8 @@ static int __init omap2xxx_dt_clk_init(int soc_type)
else
ti_dt_clocks_register(omap2430_clks);
+ omap2xxx_clkt_vps_init();
+
omap2_clk_disable_autoidle_all();
omap2_clk_enable_init_clocks(enable_init_clks,
diff --git a/include/linux/clk/ti.h b/include/linux/clk/ti.h
index a5aec68..03decc2 100644
--- a/include/linux/clk/ti.h
+++ b/include/linux/clk/ti.h
@@ -279,6 +279,7 @@ unsigned long omap2_dpllcore_recalc(struct clk_hw *hw,
int omap2_reprogram_dpllcore(struct clk_hw *clk, unsigned long rate,
unsigned long parent_rate);
void omap2xxx_clkt_dpllcore_init(struct clk_hw *hw);
+void omap2xxx_clkt_vps_init(void);
void __iomem *ti_clk_get_reg_addr(struct device_node *node, int index);
void ti_dt_clocks_register(struct ti_dt_clk *oclks);
--
1.7.9.5
--
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