OMAP3430 needs various syscon CONTROL_CSIRXFE bits set in order to operate.
Implement the missing functionality.
Signed-off-by: Ivaylo Dimitrov <ivo.g.dimitrov.75@xxxxxxxxx>
---
drivers/media/platform/omap3isp/ispccp2.c | 27 +++++++++++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/drivers/media/platform/omap3isp/ispccp2.c b/drivers/media/platform/omap3isp/ispccp2.c
index 7bb7feb..833eed4 100644
--- a/drivers/media/platform/omap3isp/ispccp2.c
+++ b/drivers/media/platform/omap3isp/ispccp2.c
@@ -21,6 +21,7 @@
#include <linux/mutex.h>
#include <linux/uaccess.h>
#include <linux/regulator/consumer.h>
+#include <linux/regmap.h>
#include "isp.h"
#include "ispreg.h"
@@ -160,6 +161,32 @@ static int ccp2_if_enable(struct isp_ccp2_device *ccp2, u8 enable)
return ret;
}
+ if (isp->revision == ISP_REVISION_2_0) {
+ struct media_pad *pad;
+ struct v4l2_subdev *sensor;
+ const struct isp_ccp2_cfg *buscfg;
+ u32 csirxfe;
+
+ pad = media_entity_remote_pad(&ccp2->pads[CCP2_PAD_SINK]);
+ sensor = media_entity_to_v4l2_subdev(pad->entity);
+ buscfg = &((struct isp_bus_cfg *)sensor->host_priv)->bus.ccp2;
+
+
+ if (enable) {
+ csirxfe = OMAP343X_CONTROL_CSIRXFE_PWRDNZ |
+ OMAP343X_CONTROL_CSIRXFE_RESET;
+
+ if (buscfg->phy_layer)
+ csirxfe |= OMAP343X_CONTROL_CSIRXFE_SELFORM;
+
+ if (buscfg->strobe_clk_pol)
+ csirxfe |= OMAP343X_CONTROL_CSIRXFE_CSIB_INV;
+ } else
+ csirxfe = 0;
+
+ regmap_write(isp->syscon, isp->syscon_offset, csirxfe);
+ }
+
/* Enable/Disable all the LCx channels */
for (i = 0; i < CCP2_LCx_CHANS_NUM; i++)
isp_reg_clr_set(isp, OMAP3_ISP_IOMEM_CCP2, ISPCCP2_LCx_CTRL(i),
--
1.9.1
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