aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-omap2/devices.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-omap2/devices.c')
-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 cf365c387c06..d2215e9873a5 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>
@@ -615,6 +616,83 @@ static void omap_init_vout(void)
615static inline void omap_init_vout(void) {} 616static inline void omap_init_vout(void) {}
616#endif 617#endif
617 618
619#if defined(CONFIG_OMAP_OCP2SCP) || defined(CONFIG_OMAP_OCP2SCP_MODULE)
620static int count_ocp2scp_devices(struct omap_ocp2scp_dev *ocp2scp_dev)
621{
622 int cnt = 0;
623
624 while (ocp2scp_dev->drv_name != NULL) {
625 cnt++;
626 ocp2scp_dev++;
627 }
628
629 return cnt;
630}
631
632static void omap_init_ocp2scp(void)
633{
634 struct omap_hwmod *oh;
635 struct platform_device *pdev;
636 int bus_id = -1, dev_cnt = 0, i;
637 struct omap_ocp2scp_dev *ocp2scp_dev;
638 const char *oh_name, *name;
639 struct omap_ocp2scp_platform_data *pdata;
640
641 if (!cpu_is_omap44xx())
642 return;
643
644 oh_name = "ocp2scp_usb_phy";
645 name = "omap-ocp2scp";
646
647 oh = omap_hwmod_lookup(oh_name);
648 if (!oh) {
649 pr_err("%s: could not find omap_hwmod for %s\n", __func__,
650 oh_name);
651 return;
652 }
653
654 pdata = kzalloc(sizeof(*pdata), GFP_KERNEL);
655 if (!pdata) {
656 pr_err("%s: No memory for ocp2scp pdata\n", __func__);
657 return;
658 }
659
660 ocp2scp_dev = oh->dev_attr;
661 dev_cnt = count_ocp2scp_devices(ocp2scp_dev);
662
663 if (!dev_cnt) {
664 pr_err("%s: No devices connected to ocp2scp\n", __func__);
665 kfree(pdata);
666 return;
667 }
668
669 pdata->devices = kzalloc(sizeof(struct omap_ocp2scp_dev *)
670 * dev_cnt, GFP_KERNEL);
671 if (!pdata->devices) {
672 pr_err("%s: No memory for ocp2scp pdata devices\n", __func__);
673 kfree(pdata);
674 return;
675 }
676
677 for (i = 0; i < dev_cnt; i++, ocp2scp_dev++)
678 pdata->devices[i] = ocp2scp_dev;
679
680 pdata->dev_cnt = dev_cnt;
681
682 pdev = omap_device_build(name, bus_id, oh, pdata, sizeof(*pdata), NULL,
683 0, false);
684 if (IS_ERR(pdev)) {
685 pr_err("Could not build omap_device for %s %s\n",
686 name, oh_name);
687 kfree(pdata->devices);
688 kfree(pdata);
689 return;
690 }
691}
692#else
693static inline void omap_init_ocp2scp(void) { }
694#endif
695
618/*-------------------------------------------------------------------------*/ 696/*-------------------------------------------------------------------------*/
619 697
620static int __init omap2_init_devices(void) 698static int __init omap2_init_devices(void)
@@ -642,6 +720,7 @@ static int __init omap2_init_devices(void)
642 omap_init_sham(); 720 omap_init_sham();
643 omap_init_aes(); 721 omap_init_aes();
644 omap_init_vout(); 722 omap_init_vout();
723 omap_init_ocp2scp();
645 724
646 return 0; 725 return 0;
647} 726}