mirror of https://gitee.com/openkylin/linux.git
ARM: shmobile: lager: Add USBHS support
This adds USBHS PHY and registers USBHS device if the driver is enabled. Signed-off-by: Valentine Barshak <valentine.barshak@cogentembedded.com> Acked-by: Magnus Damm <damm@opensource.se> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
This commit is contained in:
Valentine Barshak
Simon Horman
parent
ca1187521b
commit
1eabe028f8
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@ -30,6 +30,7 @@
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#include <linux/platform_data/camera-rcar.h>
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#include <linux/platform_data/gpio-rcar.h>
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#include <linux/platform_data/rcar-du.h>
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#include <linux/platform_data/usb-rcar-gen2-phy.h>
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#include <linux/platform_device.h>
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#include <linux/phy.h>
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#include <linux/regulator/driver.h>
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@ -37,6 +38,8 @@
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#include <linux/regulator/gpio-regulator.h>
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#include <linux/regulator/machine.h>
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#include <linux/sh_eth.h>
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#include <linux/usb/phy.h>
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#include <linux/usb/renesas_usbhs.h>
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#include <mach/common.h>
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#include <mach/irqs.h>
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#include <mach/r8a7790.h>
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@ -364,6 +367,131 @@ static const struct platform_device_info sata1_info __initconst = {
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.dma_mask = DMA_BIT_MASK(32),
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};
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/* USBHS */
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#if IS_ENABLED(CONFIG_USB_RENESAS_USBHS_UDC)
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static const struct resource usbhs_resources[] __initconst = {
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DEFINE_RES_MEM(0xe6590000, 0x100),
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DEFINE_RES_IRQ(gic_spi(107)),
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};
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struct usbhs_private {
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struct renesas_usbhs_platform_info info;
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struct usb_phy *phy;
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};
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#define usbhs_get_priv(pdev) \
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container_of(renesas_usbhs_get_info(pdev), struct usbhs_private, info)
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static int usbhs_power_ctrl(struct platform_device *pdev,
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void __iomem *base, int enable)
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{
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struct usbhs_private *priv = usbhs_get_priv(pdev);
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if (!priv->phy)
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return -ENODEV;
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if (enable) {
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int retval = usb_phy_init(priv->phy);
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if (!retval)
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retval = usb_phy_set_suspend(priv->phy, 0);
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return retval;
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}
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usb_phy_set_suspend(priv->phy, 1);
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usb_phy_shutdown(priv->phy);
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return 0;
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}
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static int usbhs_hardware_init(struct platform_device *pdev)
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{
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struct usbhs_private *priv = usbhs_get_priv(pdev);
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struct usb_phy *phy;
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phy = usb_get_phy_dev(&pdev->dev, 0);
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if (IS_ERR(phy))
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return PTR_ERR(phy);
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priv->phy = phy;
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return 0;
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}
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static int usbhs_hardware_exit(struct platform_device *pdev)
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{
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struct usbhs_private *priv = usbhs_get_priv(pdev);
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if (!priv->phy)
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return 0;
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usb_put_phy(priv->phy);
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priv->phy = NULL;
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return 0;
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}
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static int usbhs_get_id(struct platform_device *pdev)
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{
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return USBHS_GADGET;
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}
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static u32 lager_usbhs_pipe_type[] = {
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USB_ENDPOINT_XFER_CONTROL,
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USB_ENDPOINT_XFER_ISOC,
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USB_ENDPOINT_XFER_ISOC,
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USB_ENDPOINT_XFER_BULK,
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USB_ENDPOINT_XFER_BULK,
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USB_ENDPOINT_XFER_BULK,
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USB_ENDPOINT_XFER_INT,
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USB_ENDPOINT_XFER_INT,
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USB_ENDPOINT_XFER_INT,
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USB_ENDPOINT_XFER_BULK,
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USB_ENDPOINT_XFER_BULK,
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USB_ENDPOINT_XFER_BULK,
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USB_ENDPOINT_XFER_BULK,
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USB_ENDPOINT_XFER_BULK,
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USB_ENDPOINT_XFER_BULK,
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USB_ENDPOINT_XFER_BULK,
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};
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static struct usbhs_private usbhs_priv __initdata = {
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.info = {
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.platform_callback = {
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.power_ctrl = usbhs_power_ctrl,
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.hardware_init = usbhs_hardware_init,
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.hardware_exit = usbhs_hardware_exit,
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.get_id = usbhs_get_id,
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},
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.driver_param = {
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.buswait_bwait = 4,
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.pipe_type = lager_usbhs_pipe_type,
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.pipe_size = ARRAY_SIZE(lager_usbhs_pipe_type),
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},
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}
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};
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static void __init lager_register_usbhs(void)
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{
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usb_bind_phy("renesas_usbhs", 0, "usb_phy_rcar_gen2");
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platform_device_register_resndata(&platform_bus,
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"renesas_usbhs", -1,
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usbhs_resources,
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ARRAY_SIZE(usbhs_resources),
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&usbhs_priv.info,
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sizeof(usbhs_priv.info));
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}
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#else /* CONFIG_USB_RENESAS_USBHS_UDC */
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static inline void lager_register_usbhs(void) { }
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#endif /* CONFIG_USB_RENESAS_USBHS_UDC */
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/* USBHS PHY */
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static const struct rcar_gen2_phy_platform_data usbhs_phy_pdata __initconst = {
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.chan0_pci = 0, /* Channel 0 is USBHS */
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.chan2_pci = 1, /* Channel 2 is PCI USB */
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};
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static const struct resource usbhs_phy_resources[] __initconst = {
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DEFINE_RES_MEM(0xe6590100, 0x100),
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};
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static const struct pinctrl_map lager_pinctrl_map[] = {
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/* DU (CN10: ARGB0, CN13: LVDS) */
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PIN_MAP_MUX_GROUP_DEFAULT("rcar-du-r8a7790", "pfc-r8a7790",
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@ -408,6 +536,9 @@ static const struct pinctrl_map lager_pinctrl_map[] = {
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"vin1_data8", "vin1"),
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PIN_MAP_MUX_GROUP_DEFAULT("r8a7790-vin.1", "pfc-r8a7790",
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"vin1_clk", "vin1"),
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/* USB0 */
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PIN_MAP_MUX_GROUP_DEFAULT("renesas_usbhs", "pfc-r8a7790",
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"usb0", "usb0"),
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};
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static void __init lager_add_standard_devices(void)
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@ -461,6 +592,13 @@ static void __init lager_add_standard_devices(void)
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lager_add_camera1_device();
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platform_device_register_full(&sata1_info);
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platform_device_register_resndata(&platform_bus, "usb_phy_rcar_gen2",
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-1, usbhs_phy_resources,
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ARRAY_SIZE(usbhs_phy_resources),
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&usbhs_phy_pdata,
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sizeof(usbhs_phy_pdata));
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lager_register_usbhs();
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}
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/*
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