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-rw-r--r--arch/arm/mach-omap2/devices.c10
-rw-r--r--drivers/media/platform/Kconfig1
-rw-r--r--drivers/media/platform/omap3isp/isp.c20
-rw-r--r--drivers/media/platform/omap3isp/isp.h19
-rw-r--r--drivers/media/platform/omap3isp/ispcsiphy.c20
5 files changed, 43 insertions, 27 deletions
diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index 1afb50d6d636..e945957c1604 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -143,16 +143,6 @@ static struct resource omap3isp_resources[] = {
.flags = IORESOURCE_MEM,
},
{
- .start = OMAP343X_CTRL_BASE + OMAP343X_CONTROL_CSIRXFE,
- .end = OMAP343X_CTRL_BASE + OMAP343X_CONTROL_CSIRXFE + 3,
- .flags = IORESOURCE_MEM,
- },
- {
- .start = OMAP343X_CTRL_BASE + OMAP3630_CONTROL_CAMERA_PHY_CTRL,
- .end = OMAP343X_CTRL_BASE + OMAP3630_CONTROL_CAMERA_PHY_CTRL + 3,
- .flags = IORESOURCE_MEM,
- },
- {
.start = 24 + OMAP_INTC_START,
.flags = IORESOURCE_IRQ,
}
diff --git a/drivers/media/platform/Kconfig b/drivers/media/platform/Kconfig
index 2e30be55d17a..272dc8c40f57 100644
--- a/drivers/media/platform/Kconfig
+++ b/drivers/media/platform/Kconfig
@@ -90,6 +90,7 @@ config VIDEO_OMAP3
select ARM_DMA_USE_IOMMU
select OMAP_IOMMU
select VIDEOBUF2_DMA_CONTIG
+ select MFD_SYSCON
---help---
Driver for an OMAP 3 camera controller.
diff --git a/drivers/media/platform/omap3isp/isp.c b/drivers/media/platform/omap3isp/isp.c
index 68d7edfc6553..83b4368380cf 100644
--- a/drivers/media/platform/omap3isp/isp.c
+++ b/drivers/media/platform/omap3isp/isp.c
@@ -51,6 +51,7 @@
#include <linux/dma-mapping.h>
#include <linux/i2c.h>
#include <linux/interrupt.h>
+#include <linux/mfd/syscon.h>
#include <linux/module.h>
#include <linux/omap-iommu.h>
#include <linux/platform_device.h>
@@ -94,8 +95,9 @@ static const struct isp_res_mapping isp_res_maps[] = {
1 << OMAP3_ISP_IOMEM_RESZ |
1 << OMAP3_ISP_IOMEM_SBL |
1 << OMAP3_ISP_IOMEM_CSI2A_REGS1 |
- 1 << OMAP3_ISP_IOMEM_CSIPHY2 |
- 1 << OMAP3_ISP_IOMEM_343X_CONTROL_CSIRXFE,
+ 1 << OMAP3_ISP_IOMEM_CSIPHY2,
+ .syscon_offset = 0xdc,
+ .phy_type = ISP_PHY_TYPE_3430,
},
{
.isp_rev = ISP_REVISION_15_0,
@@ -112,8 +114,9 @@ static const struct isp_res_mapping isp_res_maps[] = {
1 << OMAP3_ISP_IOMEM_CSI2A_REGS2 |
1 << OMAP3_ISP_IOMEM_CSI2C_REGS1 |
1 << OMAP3_ISP_IOMEM_CSIPHY1 |
- 1 << OMAP3_ISP_IOMEM_CSI2C_REGS2 |
- 1 << OMAP3_ISP_IOMEM_3630_CONTROL_CAMERA_PHY_CTRL,
+ 1 << OMAP3_ISP_IOMEM_CSI2C_REGS2,
+ .syscon_offset = 0x2f0,
+ .phy_type = ISP_PHY_TYPE_3630,
},
};
@@ -2352,6 +2355,15 @@ static int isp_probe(struct platform_device *pdev)
}
}
+ isp->syscon = syscon_regmap_lookup_by_pdevname("syscon.0");
+ if (IS_ERR(isp->syscon)) {
+ ret = PTR_ERR(isp->syscon);
+ goto error_isp;
+ }
+
+ isp->syscon_offset = isp_res_maps[m].syscon_offset;
+ isp->phy_type = isp_res_maps[m].phy_type;
+
/* IOMMU */
ret = isp_attach_iommu(isp);
if (ret < 0) {
diff --git a/drivers/media/platform/omap3isp/isp.h b/drivers/media/platform/omap3isp/isp.h
index 9535524a21f6..03d21298c1f5 100644
--- a/drivers/media/platform/omap3isp/isp.h
+++ b/drivers/media/platform/omap3isp/isp.h
@@ -59,8 +59,6 @@ enum isp_mem_resources {
OMAP3_ISP_IOMEM_CSI2C_REGS1,
OMAP3_ISP_IOMEM_CSIPHY1,
OMAP3_ISP_IOMEM_CSI2C_REGS2,
- OMAP3_ISP_IOMEM_343X_CONTROL_CSIRXFE,
- OMAP3_ISP_IOMEM_3630_CONTROL_CAMERA_PHY_CTRL,
OMAP3_ISP_IOMEM_LAST
};
@@ -93,14 +91,25 @@ enum isp_subclk_resource {
/* ISP2P: OMAP 36xx */
#define ISP_REVISION_15_0 0xF0
+#define ISP_PHY_TYPE_3430 0
+#define ISP_PHY_TYPE_3630 1
+
+struct regmap;
+
/*
* struct isp_res_mapping - Map ISP io resources to ISP revision.
* @isp_rev: ISP_REVISION_x_x
* @map: bitmap for enum isp_mem_resources
+ * @syscon_offset: offset of the syscon register for 343x / 3630
+ * (CONTROL_CSIRXFE / CONTROL_CAMERA_PHY_CTRL, respectively)
+ * from the syscon base address
+ * @phy_type: ISP_PHY_TYPE_{3430,3630}
*/
struct isp_res_mapping {
u32 isp_rev;
u32 map;
+ u32 syscon_offset;
+ u32 phy_type;
};
/*
@@ -140,6 +149,9 @@ struct isp_xclk {
* regions.
* @mmio_hist_base_phys: Physical L4 bus address for ISP hist block register
* region.
+ * @syscon: Regmap for the syscon register space
+ * @syscon_offset: Offset of the CSIPHY control register in syscon
+ * @phy_type: ISP_PHY_TYPE_{3430,3630}
* @mapping: IOMMU mapping
* @stat_lock: Spinlock for handling statistics
* @isp_mutex: Mutex for serializing requests to ISP.
@@ -176,6 +188,9 @@ struct isp_device {
void __iomem *mmio_base[OMAP3_ISP_IOMEM_LAST];
unsigned long mmio_hist_base_phys;
+ struct regmap *syscon;
+ u32 syscon_offset;
+ u32 phy_type;
struct dma_iommu_mapping *mapping;
diff --git a/drivers/media/platform/omap3isp/ispcsiphy.c b/drivers/media/platform/omap3isp/ispcsiphy.c
index 4486e9f492df..d91dde19eb14 100644
--- a/drivers/media/platform/omap3isp/ispcsiphy.c
+++ b/drivers/media/platform/omap3isp/ispcsiphy.c
@@ -16,6 +16,7 @@
#include <linux/delay.h>
#include <linux/device.h>
+#include <linux/regmap.h>
#include <linux/regulator/consumer.h>
#include "isp.h"
@@ -26,10 +27,11 @@ static void csiphy_routing_cfg_3630(struct isp_csiphy *phy,
enum isp_interface_type iface,
bool ccp2_strobe)
{
- u32 reg = isp_reg_readl(
- phy->isp, OMAP3_ISP_IOMEM_3630_CONTROL_CAMERA_PHY_CTRL, 0);
+ u32 reg;
u32 shift, mode;
+ regmap_read(phy->isp->syscon, phy->isp->syscon_offset, &reg);
+
switch (iface) {
default:
/* Should not happen in practice, but let's keep the compiler happy. */
@@ -63,8 +65,7 @@ static void csiphy_routing_cfg_3630(struct isp_csiphy *phy,
reg &= ~(OMAP3630_CONTROL_CAMERA_PHY_CTRL_CAMMODE_MASK << shift);
reg |= mode << shift;
- isp_reg_writel(phy->isp, reg,
- OMAP3_ISP_IOMEM_3630_CONTROL_CAMERA_PHY_CTRL, 0);
+ regmap_write(phy->isp->syscon, phy->isp->syscon_offset, reg);
}
static void csiphy_routing_cfg_3430(struct isp_csiphy *phy, u32 iface, bool on,
@@ -78,16 +79,14 @@ static void csiphy_routing_cfg_3430(struct isp_csiphy *phy, u32 iface, bool on,
return;
if (!on) {
- isp_reg_writel(phy->isp, 0,
- OMAP3_ISP_IOMEM_343X_CONTROL_CSIRXFE, 0);
+ regmap_write(phy->isp->syscon, phy->isp->syscon_offset, 0);
return;
}
if (ccp2_strobe)
csirxfe |= OMAP343X_CONTROL_CSIRXFE_SELFORM;
- isp_reg_writel(phy->isp, csirxfe,
- OMAP3_ISP_IOMEM_343X_CONTROL_CSIRXFE, 0);
+ regmap_write(phy->isp->syscon, phy->isp->syscon_offset, csirxfe);
}
/*
@@ -106,10 +105,9 @@ static void csiphy_routing_cfg(struct isp_csiphy *phy,
enum isp_interface_type iface, bool on,
bool ccp2_strobe)
{
- if (phy->isp->mmio_base[OMAP3_ISP_IOMEM_3630_CONTROL_CAMERA_PHY_CTRL]
- && on)
+ if (phy->isp->phy_type == ISP_PHY_TYPE_3630 && on)
return csiphy_routing_cfg_3630(phy, iface, ccp2_strobe);
- if (phy->isp->mmio_base[OMAP3_ISP_IOMEM_343X_CONTROL_CSIRXFE])
+ if (phy->isp->phy_type == ISP_PHY_TYPE_3430)
return csiphy_routing_cfg_3430(phy, iface, on, ccp2_strobe);
}
generated by cgit (git 2.34.1) at 2024-05-25 05:26:26 +0000