From: Tero Kristo <t-kristo@xxxxxx>
Control module can have multiple instances in a system, each with separate
address space and features. Add base support for these auxiliary instances,
with support for syscon and clock mappings under them.
Signed-off-by: Tero Kristo <t-kristo@xxxxxx>
Tested-by: Peter Ujfalusi <peter.ujfalusi@xxxxxx>
---
arch/arm/mach-omap2/control.c | 15 +++++++++++----
include/linux/clk/ti.h | 1 +
2 files changed, 12 insertions(+), 4 deletions(-)
diff --git a/arch/arm/mach-omap2/control.c b/arch/arm/mach-omap2/control.c
index bd8089ff929f..632adb2b7d03 100644
--- a/arch/arm/mach-omap2/control.c
+++ b/arch/arm/mach-omap2/control.c
@@ -623,6 +623,7 @@ void __init omap3_ctrl_init(void)
struct control_init_data {
int index;
+ void __iomem *mem;
s16 offset;
};
@@ -660,15 +661,21 @@ int __init omap2_control_base_init(void)
struct device_node *np;
const struct of_device_id *match;
struct control_init_data *data;
+ void __iomem *mem;
for_each_matching_node_and_match(np, omap_scrm_dt_match_table, &match) {
data = (struct control_init_data *)match->data;
- omap2_ctrl_base = of_iomap(np, 0);
- if (!omap2_ctrl_base)
+ mem = of_iomap(np, 0);
+ if (!mem)
return -ENOMEM;
- omap2_ctrl_offset = data->offset;
+ if (data->index == TI_CLKM_CTRL) {
+ omap2_ctrl_base = mem;
+ omap2_ctrl_offset = data->offset;
+ }
+
+ data->mem = mem;
}
return 0;
@@ -713,7 +720,7 @@ int __init omap_control_init(void)
} else {
/* No scm_conf found, direct access */
ret = omap2_clk_provider_init(np, data->index, NULL,
- omap2_ctrl_base);
+ data->mem);
if (ret)
return ret;
}
diff --git a/include/linux/clk/ti.h b/include/linux/clk/ti.h
index d18da839b810..7e3bceee3489 100644
--- a/include/linux/clk/ti.h
+++ b/include/linux/clk/ti.h
@@ -203,6 +203,7 @@ enum {
TI_CLKM_PRM,
TI_CLKM_SCRM,
TI_CLKM_CTRL,
+ TI_CLKM_CTRL_AUX,
TI_CLKM_PLLSS,
CLK_MAX_MEMMAPS
};
--
Peter
Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
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