![Laurent Pinchart](/assets/img/avatar_default.png)
The OMAP3 ISP is now fully supported in DT, remove its instantiation from C code. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
286 lines
6.6 KiB
C
286 lines
6.6 KiB
C
/*
|
|
* linux/arch/arm/mach-omap2/devices.c
|
|
*
|
|
* OMAP2 platform device setup/initialization
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*/
|
|
#include <linux/gpio.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/init.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/io.h>
|
|
#include <linux/clk.h>
|
|
#include <linux/err.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/of.h>
|
|
#include <linux/pinctrl/machine.h>
|
|
#include <linux/platform_data/mailbox-omap.h>
|
|
|
|
#include <asm/mach-types.h>
|
|
#include <asm/mach/map.h>
|
|
|
|
#include <linux/omap-dma.h>
|
|
|
|
#include "iomap.h"
|
|
#include "omap_hwmod.h"
|
|
#include "omap_device.h"
|
|
|
|
#include "soc.h"
|
|
#include "common.h"
|
|
#include "mux.h"
|
|
#include "control.h"
|
|
#include "display.h"
|
|
|
|
#define L3_MODULES_MAX_LEN 12
|
|
#define L3_MODULES 3
|
|
|
|
static int __init omap3_l3_init(void)
|
|
{
|
|
struct omap_hwmod *oh;
|
|
struct platform_device *pdev;
|
|
char oh_name[L3_MODULES_MAX_LEN];
|
|
|
|
/*
|
|
* To avoid code running on other OMAPs in
|
|
* multi-omap builds
|
|
*/
|
|
if (!(cpu_is_omap34xx()) || of_have_populated_dt())
|
|
return -ENODEV;
|
|
|
|
snprintf(oh_name, L3_MODULES_MAX_LEN, "l3_main");
|
|
|
|
oh = omap_hwmod_lookup(oh_name);
|
|
|
|
if (!oh)
|
|
pr_err("could not look up %s\n", oh_name);
|
|
|
|
pdev = omap_device_build("omap_l3_smx", 0, oh, NULL, 0);
|
|
|
|
WARN(IS_ERR(pdev), "could not build omap_device for %s\n", oh_name);
|
|
|
|
return PTR_ERR_OR_ZERO(pdev);
|
|
}
|
|
omap_postcore_initcall(omap3_l3_init);
|
|
|
|
#if defined(CONFIG_OMAP2PLUS_MBOX) || defined(CONFIG_OMAP2PLUS_MBOX_MODULE)
|
|
static inline void __init omap_init_mbox(void)
|
|
{
|
|
struct omap_hwmod *oh;
|
|
struct platform_device *pdev;
|
|
struct omap_mbox_pdata *pdata;
|
|
|
|
oh = omap_hwmod_lookup("mailbox");
|
|
if (!oh) {
|
|
pr_err("%s: unable to find hwmod\n", __func__);
|
|
return;
|
|
}
|
|
if (!oh->dev_attr) {
|
|
pr_err("%s: hwmod doesn't have valid attrs\n", __func__);
|
|
return;
|
|
}
|
|
|
|
pdata = (struct omap_mbox_pdata *)oh->dev_attr;
|
|
pdev = omap_device_build("omap-mailbox", -1, oh, pdata, sizeof(*pdata));
|
|
WARN(IS_ERR(pdev), "%s: could not build device, err %ld\n",
|
|
__func__, PTR_ERR(pdev));
|
|
}
|
|
#else
|
|
static inline void omap_init_mbox(void) { }
|
|
#endif /* CONFIG_OMAP2PLUS_MBOX */
|
|
|
|
static inline void omap_init_sti(void) {}
|
|
|
|
#if defined(CONFIG_SND_SOC) || defined(CONFIG_SND_SOC_MODULE)
|
|
|
|
static struct platform_device omap_pcm = {
|
|
.name = "omap-pcm-audio",
|
|
.id = -1,
|
|
};
|
|
|
|
static void omap_init_audio(void)
|
|
{
|
|
platform_device_register(&omap_pcm);
|
|
}
|
|
|
|
#else
|
|
static inline void omap_init_audio(void) {}
|
|
#endif
|
|
|
|
#if defined(CONFIG_SPI_OMAP24XX) || defined(CONFIG_SPI_OMAP24XX_MODULE)
|
|
|
|
#include <linux/platform_data/spi-omap2-mcspi.h>
|
|
|
|
static int __init omap_mcspi_init(struct omap_hwmod *oh, void *unused)
|
|
{
|
|
struct platform_device *pdev;
|
|
char *name = "omap2_mcspi";
|
|
struct omap2_mcspi_platform_config *pdata;
|
|
static int spi_num;
|
|
struct omap2_mcspi_dev_attr *mcspi_attrib = oh->dev_attr;
|
|
|
|
pdata = kzalloc(sizeof(*pdata), GFP_KERNEL);
|
|
if (!pdata) {
|
|
pr_err("Memory allocation for McSPI device failed\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
pdata->num_cs = mcspi_attrib->num_chipselect;
|
|
switch (oh->class->rev) {
|
|
case OMAP2_MCSPI_REV:
|
|
case OMAP3_MCSPI_REV:
|
|
pdata->regs_offset = 0;
|
|
break;
|
|
case OMAP4_MCSPI_REV:
|
|
pdata->regs_offset = OMAP4_MCSPI_REG_OFFSET;
|
|
break;
|
|
default:
|
|
pr_err("Invalid McSPI Revision value\n");
|
|
kfree(pdata);
|
|
return -EINVAL;
|
|
}
|
|
|
|
spi_num++;
|
|
pdev = omap_device_build(name, spi_num, oh, pdata, sizeof(*pdata));
|
|
WARN(IS_ERR(pdev), "Can't build omap_device for %s:%s\n",
|
|
name, oh->name);
|
|
kfree(pdata);
|
|
return 0;
|
|
}
|
|
|
|
static void omap_init_mcspi(void)
|
|
{
|
|
omap_hwmod_for_each_by_class("mcspi", omap_mcspi_init, NULL);
|
|
}
|
|
|
|
#else
|
|
static inline void omap_init_mcspi(void) {}
|
|
#endif
|
|
|
|
/**
|
|
* omap_init_rng - bind the RNG hwmod to the RNG omap_device
|
|
*
|
|
* Bind the RNG hwmod to the RNG omap_device. No return value.
|
|
*/
|
|
static void omap_init_rng(void)
|
|
{
|
|
struct omap_hwmod *oh;
|
|
struct platform_device *pdev;
|
|
|
|
oh = omap_hwmod_lookup("rng");
|
|
if (!oh)
|
|
return;
|
|
|
|
pdev = omap_device_build("omap_rng", -1, oh, NULL, 0);
|
|
WARN(IS_ERR(pdev), "Can't build omap_device for omap_rng\n");
|
|
}
|
|
|
|
static void __init omap_init_sham(void)
|
|
{
|
|
struct omap_hwmod *oh;
|
|
struct platform_device *pdev;
|
|
|
|
oh = omap_hwmod_lookup("sham");
|
|
if (!oh)
|
|
return;
|
|
|
|
pdev = omap_device_build("omap-sham", -1, oh, NULL, 0);
|
|
WARN(IS_ERR(pdev), "Can't build omap_device for omap-sham\n");
|
|
}
|
|
|
|
static void __init omap_init_aes(void)
|
|
{
|
|
struct omap_hwmod *oh;
|
|
struct platform_device *pdev;
|
|
|
|
oh = omap_hwmod_lookup("aes");
|
|
if (!oh)
|
|
return;
|
|
|
|
pdev = omap_device_build("omap-aes", -1, oh, NULL, 0);
|
|
WARN(IS_ERR(pdev), "Can't build omap_device for omap-aes\n");
|
|
}
|
|
|
|
/*-------------------------------------------------------------------------*/
|
|
|
|
#if defined(CONFIG_VIDEO_OMAP2_VOUT) || \
|
|
defined(CONFIG_VIDEO_OMAP2_VOUT_MODULE)
|
|
#if defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE)
|
|
static struct resource omap_vout_resource[3 - CONFIG_FB_OMAP2_NUM_FBS] = {
|
|
};
|
|
#else
|
|
static struct resource omap_vout_resource[2] = {
|
|
};
|
|
#endif
|
|
|
|
static struct platform_device omap_vout_device = {
|
|
.name = "omap_vout",
|
|
.num_resources = ARRAY_SIZE(omap_vout_resource),
|
|
.resource = &omap_vout_resource[0],
|
|
.id = -1,
|
|
};
|
|
|
|
int __init omap_init_vout(void)
|
|
{
|
|
return platform_device_register(&omap_vout_device);
|
|
}
|
|
#else
|
|
int __init omap_init_vout(void) { return 0; }
|
|
#endif
|
|
|
|
/*-------------------------------------------------------------------------*/
|
|
|
|
static int __init omap2_init_devices(void)
|
|
{
|
|
/* Enable dummy states for those platforms without pinctrl support */
|
|
if (!of_have_populated_dt())
|
|
pinctrl_provide_dummies();
|
|
|
|
/*
|
|
* please keep these calls, and their implementations above,
|
|
* in alphabetical order so they're easier to sort through.
|
|
*/
|
|
omap_init_audio();
|
|
/* If dtb is there, the devices will be created dynamically */
|
|
if (!of_have_populated_dt()) {
|
|
omap_init_mbox();
|
|
omap_init_mcspi();
|
|
omap_init_sham();
|
|
omap_init_aes();
|
|
omap_init_rng();
|
|
}
|
|
omap_init_sti();
|
|
|
|
return 0;
|
|
}
|
|
omap_arch_initcall(omap2_init_devices);
|
|
|
|
static int __init omap_gpmc_init(void)
|
|
{
|
|
struct omap_hwmod *oh;
|
|
struct platform_device *pdev;
|
|
char *oh_name = "gpmc";
|
|
|
|
/*
|
|
* if the board boots up with a populated DT, do not
|
|
* manually add the device from this initcall
|
|
*/
|
|
if (of_have_populated_dt())
|
|
return -ENODEV;
|
|
|
|
oh = omap_hwmod_lookup(oh_name);
|
|
if (!oh) {
|
|
pr_err("Could not look up %s\n", oh_name);
|
|
return -ENODEV;
|
|
}
|
|
|
|
pdev = omap_device_build("omap-gpmc", -1, oh, NULL, 0);
|
|
WARN(IS_ERR(pdev), "could not build omap_device for %s\n", oh_name);
|
|
|
|
return PTR_ERR_OR_ZERO(pdev);
|
|
}
|
|
omap_postcore_initcall(omap_gpmc_init);
|