From: Manjunath Hadli <manjunath.hadli@xxxxxx>
request_mem_region for VPSS_CLK_CTRL register and ioremap.
and enable clocks appropriately.
Signed-off-by: Manjunath Hadli <manjunath.hadli@xxxxxx>
Signed-off-by: Lad, Prabhakar <prabhakar.lad@xxxxxx>
---
drivers/media/platform/davinci/vpss.c | 15 +++++++++++++++
1 files changed, 15 insertions(+), 0 deletions(-)
diff --git a/drivers/media/platform/davinci/vpss.c b/drivers/media/platform/davinci/vpss.c
index 1c96ce8..e4ad63d 100644
--- a/drivers/media/platform/davinci/vpss.c
+++ b/drivers/media/platform/davinci/vpss.c
@@ -69,6 +69,11 @@ MODULE_AUTHOR("Texas Instruments");
#define DM365_ISP5_CCDCMUX 0x20
#define DM365_ISP5_PG_FRAME_SIZE 0x28
#define DM365_VPBE_CLK_CTRL 0x00
+
+#define VPSS_CLK_CTRL 0x01c40044
+#define VPSS_CLK_CTRL_VENCCLKEN BIT(3)
+#define VPSS_CLK_CTRL_DACCLKEN BIT(4)
+
/*
* vpss interrupts. VDINT0 - vpss_int0, VDINT1 - vpss_int1,
* AF - vpss_int3
@@ -112,6 +117,7 @@ struct vpss_hw_ops {
struct vpss_oper_config {
__iomem void *vpss_regs_base0;
__iomem void *vpss_regs_base1;
+ resource_size_t *vpss_regs_base2;
enum vpss_platform_type platform;
spinlock_t vpss_lock;
struct vpss_hw_ops hw_ops;
@@ -492,11 +498,20 @@ static struct platform_driver vpss_driver = {
static void vpss_exit(void)
{
+ iounmap(oper_cfg.vpss_regs_base2);
+ release_mem_region(VPSS_CLK_CTRL, 4);
platform_driver_unregister(&vpss_driver);
}
static int __init vpss_init(void)
{
+ if (!request_mem_region(VPSS_CLK_CTRL, 4, "vpss_clock_control"))
+ return -EBUSY;
+
+ oper_cfg.vpss_regs_base2 = ioremap(VPSS_CLK_CTRL, 4);
+ writel(VPSS_CLK_CTRL_VENCCLKEN |
+ VPSS_CLK_CTRL_DACCLKEN, oper_cfg.vpss_regs_base2);
+
return platform_driver_register(&vpss_driver);
}
subsys_initcall(vpss_init);
--
1.7.4.1
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