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usb: musb: split blackfin to its own platform_driver
Just adding its own platform_driver, not really using it yet. Later patches will come to split power management code from musb_core and move it completely to HW glue layer. Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
parent
8ceae51ed5
commit
9cb0308eec
9 changed files with 92 additions and 10 deletions
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@ -83,7 +83,7 @@ static struct musb_hdrc_platform_data musb_plat = {
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static u64 musb_dmamask = ~(u32)0;
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static struct platform_device musb_device = {
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.name = "musb-hdrc",
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.name = "musb-blackfin",
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.id = 0,
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.dev = {
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.dma_mask = &musb_dmamask,
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@ -120,7 +120,7 @@ static struct musb_hdrc_platform_data musb_plat = {
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static u64 musb_dmamask = ~(u32)0;
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static struct platform_device musb_device = {
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.name = "musb-hdrc",
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.name = "musb-blackfin",
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.id = 0,
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.dev = {
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.dma_mask = &musb_dmamask,
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@ -84,7 +84,7 @@ static struct musb_hdrc_platform_data musb_plat = {
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static u64 musb_dmamask = ~(u32)0;
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static struct platform_device musb_device = {
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.name = "musb-hdrc",
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.name = "musb-blackfin",
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.id = 0,
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.dev = {
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.dma_mask = &musb_dmamask,
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@ -124,7 +124,7 @@ static struct musb_hdrc_platform_data musb_plat = {
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static u64 musb_dmamask = ~(u32)0;
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static struct platform_device musb_device = {
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.name = "musb-hdrc",
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.name = "musb-blackfin",
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.id = 0,
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.dev = {
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.dma_mask = &musb_dmamask,
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@ -91,7 +91,7 @@ static struct musb_hdrc_platform_data musb_plat = {
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static u64 musb_dmamask = ~(u32)0;
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static struct platform_device musb_device = {
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.name = "musb-hdrc",
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.name = "musb-blackfin",
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.id = 0,
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.dev = {
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.dma_mask = &musb_dmamask,
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@ -520,7 +520,7 @@ static struct musb_hdrc_platform_data musb_plat = {
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static u64 musb_dmamask = ~(u32)0;
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static struct platform_device musb_device = {
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.name = "musb-hdrc",
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.name = "musb-blackfin",
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.id = 0,
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.dev = {
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.dma_mask = &musb_dmamask,
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@ -625,7 +625,7 @@ static struct musb_hdrc_platform_data musb_plat = {
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static u64 musb_dmamask = ~(u32)0;
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static struct platform_device musb_device = {
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.name = "musb-hdrc",
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.name = "musb-blackfin",
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.id = 0,
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.dev = {
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.dma_mask = &musb_dmamask,
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@ -13,14 +13,12 @@ musb_hdrc-$(CONFIG_USB_MUSB_HDRC_HCD) += musb_virthub.o musb_host.o
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musb_hdrc-$(CONFIG_DEBUG_FS) += musb_debugfs.o
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# Hardware Glue Layer
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musb_hdrc-$(CONFIG_USB_MUSB_BLACKFIN) += blackfin.o
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obj-$(CONFIG_USB_MUSB_OMAP2PLUS) += omap2430.o
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obj-$(CONFIG_USB_MUSB_AM35X) += am35x.o
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obj-$(CONFIG_USB_MUSB_TUSB6010) += tusb6010.o
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obj-$(CONFIG_USB_MUSB_DAVINCI) += davinci.o
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obj-$(CONFIG_USB_MUSB_DA8XX) += da8xx.o
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obj-$(CONFIG_USB_MUSB_BLACKFIN) += blackfin.o
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# the kconfig must guarantee that only one of the
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# possible I/O schemes will be enabled at a time ...
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@ -15,6 +15,8 @@
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#include <linux/list.h>
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#include <linux/gpio.h>
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#include <linux/io.h>
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#include <linux/platform_device.h>
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#include <linux/dma-mapping.h>
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#include <asm/cacheflush.h>
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@ -442,3 +444,85 @@ const struct musb_platform_ops musb_ops = {
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.vbus_status = bfin_musb_vbus_status,
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.set_vbus = bfin_musb_set_vbus,
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};
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static u64 bfin_dmamask = DMA_BIT_MASK(32);
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static int __init bfin_probe(struct platform_device *pdev)
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{
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struct musb_hdrc_platform_data *pdata = pdev->dev.platform_data;
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struct platform_device *musb;
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int ret = -ENOMEM;
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musb = platform_device_alloc("musb-hdrc", -1);
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if (!musb) {
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dev_err(&pdev->dev, "failed to allocate musb device\n");
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goto err0;
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}
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musb->dev.parent = &pdev->dev;
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musb->dev.dma_mask = &bfin_dmamask;
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musb->dev.coherent_dma_mask = bfin_dmamask;
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platform_set_drvdata(pdev, musb);
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ret = platform_device_add_resources(musb, pdev->resource,
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pdev->num_resources);
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if (ret) {
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dev_err(&pdev->dev, "failed to add resources\n");
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goto err1;
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}
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ret = platform_device_add_data(musb, pdata, sizeof(*pdata));
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if (ret) {
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dev_err(&pdev->dev, "failed to add platform_data\n");
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goto err1;
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}
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ret = platform_device_add(musb);
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if (ret) {
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dev_err(&pdev->dev, "failed to register musb device\n");
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goto err1;
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}
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return 0;
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err1:
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platform_device_put(musb);
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err0:
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return ret;
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}
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static int __exit bfin_remove(struct platform_device *pdev)
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{
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struct platform_device *musb = platform_get_drvdata(pdev);
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platform_device_del(musb);
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platform_device_put(musb);
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return 0;
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}
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static struct platform_driver bfin_driver = {
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.remove = __exit_p(bfin_remove),
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.driver = {
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.name = "musb-bfin",
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},
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};
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MODULE_DESCRIPTION("Blackfin MUSB Glue Layer");
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MODULE_AUTHOR("Bryan Wy <cooloney@kernel.org>");
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MODULE_LICENSE("GPL v2");
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static int __init bfin_init(void)
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{
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return platform_driver_probe(&bfin_driver, bfin_probe);
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}
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subsys_initcall(bfin_init);
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static void __exit bfin_exit(void)
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{
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platform_driver_unregister(&bfin_driver);
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}
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module_exit(bfin_exit);
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