All clock provider related drivers will now register their iomaps
with a static index. This makes it easier to split up the individual
drivers to their own files in subsequent patches.
Signed-off-by: Tero Kristo <t-kri...@ti.com>
---
arch/arm/mach-omap2/prcm-common.h | 8 ++++
arch/arm/mach-omap2/prm_common.c | 79 +++++++++++++++++++++++--------------
include/linux/clk/ti.h | 1 +
3 files changed, 59 insertions(+), 29 deletions(-)
diff --git a/arch/arm/mach-omap2/prcm-common.h
b/arch/arm/mach-omap2/prcm-common.h
index 6163d66..ee38356 100644
--- a/arch/arm/mach-omap2/prcm-common.h
+++ b/arch/arm/mach-omap2/prcm-common.h
@@ -518,6 +518,14 @@ struct omap_prcm_irq_setup {
.priority = _priority \
}
+/**
+ * struct omap_prcm_init_data - PRCM driver init data
+ * @index: clock memory mapping index to be used
+ */
+struct omap_prcm_init_data {
+ int index;
+};
+
extern void omap_prcm_irq_cleanup(void);
extern int omap_prcm_register_chain_handler(
struct omap_prcm_irq_setup *irq_setup);
diff --git a/arch/arm/mach-omap2/prm_common.c b/arch/arm/mach-omap2/prm_common.c
index 79cee11..8ec5201 100644
--- a/arch/arm/mach-omap2/prm_common.c
+++ b/arch/arm/mach-omap2/prm_common.c
@@ -633,31 +633,47 @@ int prm_unregister(struct prm_ll_data *pld)
return 0;
}
+static struct omap_prcm_init_data prm_data = {
+ .index = TI_CLKM_PRM,
+};
+
+static struct omap_prcm_init_data cm_data = {
+ .index = TI_CLKM_CM,
+};
+
+static struct omap_prcm_init_data cm2_data = {
+ .index = TI_CLKM_CM2,
+};
+
+static struct omap_prcm_init_data scrm_data = {
+ .index = TI_CLKM_SCRM,
+};
+
static const struct of_device_id omap_prcm_dt_match_table[] = {
- { .compatible = "ti,am3-prcm" },
- { .compatible = "ti,am3-scrm" },
- { .compatible = "ti,am4-prcm" },
- { .compatible = "ti,am4-scrm" },
- { .compatible = "ti,dm814-prcm" },
- { .compatible = "ti,dm814-scrm" },
- { .compatible = "ti,dm816-prcm" },
- { .compatible = "ti,dm816-scrm" },
- { .compatible = "ti,omap2-prcm" },
- { .compatible = "ti,omap2-scrm" },
- { .compatible = "ti,omap3-prm" },
- { .compatible = "ti,omap3-cm" },
- { .compatible = "ti,omap3-scrm" },
- { .compatible = "ti,omap4-cm1" },
- { .compatible = "ti,omap4-prm" },
- { .compatible = "ti,omap4-cm2" },
- { .compatible = "ti,omap4-scrm" },
- { .compatible = "ti,omap5-prm" },
- { .compatible = "ti,omap5-cm-core-aon" },
- { .compatible = "ti,omap5-scrm" },
- { .compatible = "ti,omap5-cm-core" },
- { .compatible = "ti,dra7-prm" },
- { .compatible = "ti,dra7-cm-core-aon" },
- { .compatible = "ti,dra7-cm-core" },
+ { .compatible = "ti,am3-prcm", .data = &prm_data },
+ { .compatible = "ti,am3-scrm", .data = &scrm_data },
+ { .compatible = "ti,am4-prcm", .data = &prm_data },
+ { .compatible = "ti,am4-scrm", .data = &scrm_data },
+ { .compatible = "ti,dm814-prcm", .data = &prm_data },
+ { .compatible = "ti,dm814-scrm", .data = &scrm_data },
+ { .compatible = "ti,dm816-prcm", .data = &prm_data },
+ { .compatible = "ti,dm816-scrm", .data = &scrm_data },
+ { .compatible = "ti,omap2-prcm", .data = &prm_data },
+ { .compatible = "ti,omap2-scrm", .data = &scrm_data },
+ { .compatible = "ti,omap3-prm", .data = &prm_data },
+ { .compatible = "ti,omap3-cm", .data = &cm_data },
+ { .compatible = "ti,omap3-scrm", .data = &scrm_data },
+ { .compatible = "ti,omap4-cm1", .data = &cm_data },
+ { .compatible = "ti,omap4-prm", .data = &prm_data },
+ { .compatible = "ti,omap4-cm2", .data = &cm2_data },
+ { .compatible = "ti,omap4-scrm", .data = &scrm_data },
+ { .compatible = "ti,omap5-prm", .data = &prm_data },
+ { .compatible = "ti,omap5-cm-core-aon", .data = &cm_data },
+ { .compatible = "ti,omap5-scrm", .data = &scrm_data },
+ { .compatible = "ti,omap5-cm-core", .data = &cm2_data },
+ { .compatible = "ti,dra7-prm", .data = &prm_data },
+ { .compatible = "ti,dra7-cm-core-aon", .data = &cm_data },
+ { .compatible = "ti,dra7-cm-core", .data = &cm2_data },
{ }
};
@@ -690,15 +706,20 @@ int __init omap_prcm_init(void)
{
struct device_node *np;
void __iomem *mem;
- int memmap_index = 0;
+ const struct of_device_id *match;
+ const struct omap_prcm_init_data *data;
ti_clk_ll_ops = &omap_clk_ll_ops;
- for_each_matching_node(np, omap_prcm_dt_match_table) {
+ for_each_matching_node_and_match(np, omap_prcm_dt_match_table, &match) {
+ data = match->data;
+
mem = of_iomap(np, 0);
- clk_memmaps[memmap_index] = mem;
- ti_dt_clk_init_provider(np, memmap_index);
- memmap_index++;
+ if (!mem)
+ return -ENOMEM;
+
+ clk_memmaps[data->index] = mem;
+ ti_dt_clk_init_provider(np, data->index);
}
return 0;
diff --git a/include/linux/clk/ti.h b/include/linux/clk/ti.h
index 6784400..19895a3 100644
--- a/include/linux/clk/ti.h
+++ b/include/linux/clk/ti.h
@@ -221,6 +221,7 @@ struct ti_dt_clk {
/* Static memmap indices */
enum {
TI_CLKM_CM = 0,
+ TI_CLKM_CM2,
TI_CLKM_PRM,
TI_CLKM_SCRM,
};
--
1.7.9.5
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