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-rw-r--r--arch/arm/mach-omap2/devices.c79
1 files changed, 79 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index cba60e05e32e..c72b5a727720 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -19,6 +19,7 @@
19#include <linux/of.h> 19#include <linux/of.h>
20#include <linux/pinctrl/machine.h> 20#include <linux/pinctrl/machine.h>
21#include <linux/platform_data/omap4-keypad.h> 21#include <linux/platform_data/omap4-keypad.h>
22#include <linux/platform_data/omap_ocp2scp.h>
22 23
23#include <asm/mach-types.h> 24#include <asm/mach-types.h>
24#include <asm/mach/map.h> 25#include <asm/mach/map.h>
@@ -613,6 +614,83 @@ static void omap_init_vout(void)
613static inline void omap_init_vout(void) {} 614static inline void omap_init_vout(void) {}
614#endif 615#endif
615 616
617#if defined(CONFIG_OMAP_OCP2SCP) || defined(CONFIG_OMAP_OCP2SCP_MODULE)
618static int count_ocp2scp_devices(struct omap_ocp2scp_dev *ocp2scp_dev)
619{
620 int cnt = 0;
621
622 while (ocp2scp_dev->drv_name != NULL) {
623 cnt++;
624 ocp2scp_dev++;
625 }
626
627 return cnt;
628}
629
630static void omap_init_ocp2scp(void)
631{
632 struct omap_hwmod *oh;
633 struct platform_device *pdev;
634 int bus_id = -1, dev_cnt = 0, i;
635 struct omap_ocp2scp_dev *ocp2scp_dev;
636 const char *oh_name, *name;
637 struct omap_ocp2scp_platform_data *pdata;
638
639 if (!cpu_is_omap44xx())
640 return;
641
642 oh_name = "ocp2scp_usb_phy";
643 name = "omap-ocp2scp";
644
645 oh = omap_hwmod_lookup(oh_name);
646 if (!oh) {
647 pr_err("%s: could not find omap_hwmod for %s\n", __func__,
648 oh_name);
649 return;
650 }
651
652 pdata = kzalloc(sizeof(*pdata), GFP_KERNEL);
653 if (!pdata) {
654 pr_err("%s: No memory for ocp2scp pdata\n", __func__);
655 return;
656 }
657
658 ocp2scp_dev = oh->dev_attr;
659 dev_cnt = count_ocp2scp_devices(ocp2scp_dev);
660
661 if (!dev_cnt) {
662 pr_err("%s: No devices connected to ocp2scp\n", __func__);
663 kfree(pdata);
664 return;
665 }
666
667 pdata->devices = kzalloc(sizeof(struct omap_ocp2scp_dev *)
668 * dev_cnt, GFP_KERNEL);
669 if (!pdata->devices) {
670 pr_err("%s: No memory for ocp2scp pdata devices\n", __func__);
671 kfree(pdata);
672 return;
673 }
674
675 for (i = 0; i < dev_cnt; i++, ocp2scp_dev++)
676 pdata->devices[i] = ocp2scp_dev;
677
678 pdata->dev_cnt = dev_cnt;
679
680 pdev = omap_device_build(name, bus_id, oh, pdata, sizeof(*pdata), NULL,
681 0, false);
682 if (IS_ERR(pdev)) {
683 pr_err("Could not build omap_device for %s %s\n",
684 name, oh_name);
685 kfree(pdata->devices);
686 kfree(pdata);
687 return;
688 }
689}
690#else
691static inline void omap_init_ocp2scp(void) { }
692#endif
693
616/*-------------------------------------------------------------------------*/ 694/*-------------------------------------------------------------------------*/
617 695
618static int __init omap2_init_devices(void) 696static int __init omap2_init_devices(void)
@@ -640,6 +718,7 @@ static int __init omap2_init_devices(void)
640 omap_init_sham(); 718 omap_init_sham();
641 omap_init_aes(); 719 omap_init_aes();
642 omap_init_vout(); 720 omap_init_vout();
721 omap_init_ocp2scp();
643 722
644 return 0; 723 return 0;
645} 724}