Map the IOMUXC registers, which will be needed by ipu-csi for mux
control.
Signed-off-by: Steve Longerbeam <steve_longerb...@mentor.com>
---
drivers/staging/imx-drm/ipu-v3/ipu-common.c | 8 ++++++++
drivers/staging/imx-drm/ipu-v3/ipu-prv.h | 4 ++++
2 files changed, 12 insertions(+)
diff --git a/drivers/staging/imx-drm/ipu-v3/ipu-common.c
b/drivers/staging/imx-drm/ipu-v3/ipu-common.c
index 2d95a7c..635dafe 100644
--- a/drivers/staging/imx-drm/ipu-v3/ipu-common.c
+++ b/drivers/staging/imx-drm/ipu-v3/ipu-common.c
@@ -1196,6 +1196,14 @@ static int ipu_probe(struct platform_device *pdev)
if (!ipu->cm_reg || !ipu->idmac_reg || !ipu->cpmem_base)
return -ENOMEM;
+ ipu->gp_reg = syscon_regmap_lookup_by_compatible(
+ "fsl,imx6q-iomuxc-gpr");
+ if (IS_ERR(ipu->gp_reg)) {
+ ret = PTR_ERR(ipu->gp_reg);
+ dev_err(&pdev->dev, "failed to map iomuxc regs with %d\n", ret);
+ return ret;
+ }
+
ipu->clk = devm_clk_get(&pdev->dev, "bus");
if (IS_ERR(ipu->clk)) {
ret = PTR_ERR(ipu->clk);
diff --git a/drivers/staging/imx-drm/ipu-v3/ipu-prv.h
b/drivers/staging/imx-drm/ipu-v3/ipu-prv.h
index 9e4cf4b..90c0c50 100644
--- a/drivers/staging/imx-drm/ipu-v3/ipu-prv.h
+++ b/drivers/staging/imx-drm/ipu-v3/ipu-prv.h
@@ -21,6 +21,9 @@ struct ipu_soc;
#include <linux/device.h>
#include <linux/clk.h>
#include <linux/platform_device.h>
+#include <linux/regmap.h>
+#include <linux/mfd/syscon.h>
+#include <linux/mfd/syscon/imx6q-iomuxc-gpr.h>
#include <linux/platform_data/imx-ipu-v3.h>
@@ -163,6 +166,7 @@ struct ipu_soc {
void __iomem *cm_reg;
void __iomem *idmac_reg;
struct ipu_ch_param __iomem *cpmem_base;
+ struct regmap *gp_reg;
int id;
int usecount;
--
1.7.9.5
--
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