X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fsvn-archive%2Farchive.git;a=blobdiff_plain;f=target%2Flinux%2Framips%2Fpatches-3.14%2F0037-USB-phy-add-ralink-SoC-driver.patch;fp=target%2Flinux%2Framips%2Fpatches-3.14%2F0037-USB-phy-add-ralink-SoC-driver.patch;h=0000000000000000000000000000000000000000;hp=b5c199a85171e238d94133a2f0f7d3593813e97a;hb=0de37ca4e2cbc4517f2cdf7138d3c4696277e481;hpb=5764701152d42440932297a8d660ab4a6655ce00 diff --git a/target/linux/ramips/patches-3.14/0037-USB-phy-add-ralink-SoC-driver.patch b/target/linux/ramips/patches-3.14/0037-USB-phy-add-ralink-SoC-driver.patch deleted file mode 100644 index b5c199a851..0000000000 --- a/target/linux/ramips/patches-3.14/0037-USB-phy-add-ralink-SoC-driver.patch +++ /dev/null @@ -1,233 +0,0 @@ -From 900fa0abfea0cb7562c523769981dadc25f1f8cd Mon Sep 17 00:00:00 2001 -From: John Crispin -Date: Sun, 27 Jul 2014 09:43:42 +0100 -Subject: [PATCH 37/57] USB: phy: add ralink SoC driver - -Signed-off-by: John Crispin ---- - drivers/usb/phy/Kconfig | 8 ++ - drivers/usb/phy/Makefile | 1 + - drivers/usb/phy/ralink-phy.c | 190 ++++++++++++++++++++++++++++++++++++++++++ - 3 files changed, 199 insertions(+) - create mode 100644 drivers/usb/phy/ralink-phy.c - ---- a/drivers/usb/phy/Kconfig -+++ b/drivers/usb/phy/Kconfig -@@ -251,6 +251,14 @@ config USB_RCAR_GEN2_PHY - To compile this driver as a module, choose M here: the - module will be called phy-rcar-gen2-usb. - -+config RALINK_USBPHY -+ bool "Ralink USB PHY controller Driver" -+ depends on MIPS && RALINK -+ select USB_PHY -+ help -+ Enable this to support ralink USB phy controller for ralink -+ SoCs. -+ - config USB_ULPI - bool "Generic ULPI Transceiver Driver" - depends on ARM ---- a/drivers/usb/phy/Makefile -+++ b/drivers/usb/phy/Makefile -@@ -33,3 +33,4 @@ obj-$(CONFIG_USB_RCAR_GEN2_PHY) += phy- - obj-$(CONFIG_USB_ULPI) += phy-ulpi.o - obj-$(CONFIG_USB_ULPI_VIEWPORT) += phy-ulpi-viewport.o - obj-$(CONFIG_KEYSTONE_USB_PHY) += phy-keystone.o -+obj-$(CONFIG_RALINK_USBPHY) += ralink-phy.o ---- /dev/null -+++ b/drivers/usb/phy/ralink-phy.c -@@ -0,0 +1,193 @@ -+/* -+ * Copyright (C) 2013 John Crispin -+ * -+ * based on: Renesas R-Car USB phy driver -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+ -+#include -+ -+#define RT_SYSC_REG_SYSCFG1 0x014 -+#define RT_SYSC_REG_CLKCFG1 0x030 -+#define RT_SYSC_REG_USB_PHY_CFG 0x05c -+ -+#define RT_RSTCTRL_UDEV BIT(25) -+#define RT_RSTCTRL_UHST BIT(22) -+#define RT_SYSCFG1_USB0_HOST_MODE BIT(10) -+ -+#define MT7620_CLKCFG1_UPHY0_CLK_EN BIT(25) -+#define MT7620_CLKCFG1_UPHY1_CLK_EN BIT(22) -+#define RT_CLKCFG1_UPHY1_CLK_EN BIT(20) -+#define RT_CLKCFG1_UPHY0_CLK_EN BIT(18) -+ -+#define USB_PHY_UTMI_8B60M BIT(1) -+#define UDEV_WAKEUP BIT(0) -+ -+static atomic_t usb_pwr_ref = ATOMIC_INIT(0); -+static struct reset_control *rstdev; -+static struct reset_control *rsthost; -+static u32 phy_clk; -+ -+static void usb_phy_enable(int state) -+{ -+ if (state) -+ rt_sysc_m32(0, phy_clk, RT_SYSC_REG_CLKCFG1); -+ else -+ rt_sysc_m32(phy_clk, 0, RT_SYSC_REG_CLKCFG1); -+ mdelay(100); -+} -+ -+static int usb_power_on(struct usb_phy *phy) -+{ -+ if (atomic_inc_return(&usb_pwr_ref) == 1) { -+ u32 t; -+ -+ usb_phy_enable(1); -+ -+// reset_control_assert(rstdev); -+// reset_control_assert(rsthost); -+ -+ if (OTG_STATE_B_HOST) { -+ rt_sysc_m32(0, RT_SYSCFG1_USB0_HOST_MODE, RT_SYSC_REG_SYSCFG1); -+ if (!IS_ERR(rsthost)) -+ reset_control_deassert(rsthost); -+ if (!IS_ERR(rstdev)) -+ reset_control_deassert(rstdev); -+ } else { -+ rt_sysc_m32(RT_SYSCFG1_USB0_HOST_MODE, 0, RT_SYSC_REG_SYSCFG1); -+ if (!IS_ERR(rstdev)) -+ reset_control_deassert(rstdev); -+ } -+ mdelay(100); -+ -+ t = rt_sysc_r32(RT_SYSC_REG_USB_PHY_CFG); -+ dev_info(phy->dev, "remote usb device wakeup %s\n", -+ (t & UDEV_WAKEUP) ? ("enabbled") : ("disabled")); -+ if (t & USB_PHY_UTMI_8B60M) -+ dev_info(phy->dev, "UTMI 8bit 60MHz\n"); -+ else -+ dev_info(phy->dev, "UTMI 16bit 30MHz\n"); -+ } -+ -+ return 0; -+} -+ -+static void usb_power_off(struct usb_phy *phy) -+{ -+ if (atomic_dec_return(&usb_pwr_ref) == 0) { -+ usb_phy_enable(0); -+ if (!IS_ERR(rstdev)) -+ reset_control_assert(rstdev); -+ if (!IS_ERR(rsthost)) -+ reset_control_assert(rsthost); -+ } -+} -+ -+static int usb_set_host(struct usb_otg *otg, struct usb_bus *host) -+{ -+ otg->gadget = NULL; -+ otg->host = host; -+ -+ return 0; -+} -+ -+static int usb_set_peripheral(struct usb_otg *otg, -+ struct usb_gadget *gadget) -+{ -+ otg->host = NULL; -+ otg->gadget = gadget; -+ -+ return 0; -+} -+ -+static const struct of_device_id ralink_usbphy_dt_match[] = { -+ { .compatible = "ralink,rt3xxx-usbphy", .data = (void *) (RT_CLKCFG1_UPHY1_CLK_EN | RT_CLKCFG1_UPHY0_CLK_EN) }, -+ { .compatible = "ralink,mt7620a-usbphy", .data = (void *) (MT7620_CLKCFG1_UPHY1_CLK_EN | MT7620_CLKCFG1_UPHY0_CLK_EN) }, -+ {}, -+}; -+MODULE_DEVICE_TABLE(of, ralink_usbphy_dt_match); -+ -+static int usb_phy_probe(struct platform_device *pdev) -+{ -+ const struct of_device_id *match; -+ struct device *dev = &pdev->dev; -+ struct usb_otg *otg; -+ struct usb_phy *phy; -+ int ret; -+ -+ match = of_match_device(ralink_usbphy_dt_match, &pdev->dev); -+ phy_clk = (int) match->data; -+ -+ rsthost = devm_reset_control_get(&pdev->dev, "host"); -+ rstdev = devm_reset_control_get(&pdev->dev, "device"); -+ -+ phy = devm_kzalloc(dev, sizeof(*phy), GFP_KERNEL); -+ if (!phy) { -+ dev_err(&pdev->dev, "unable to allocate memory for USB PHY\n"); -+ return -ENOMEM; -+ } -+ -+ otg = devm_kzalloc(&pdev->dev, sizeof(*otg), GFP_KERNEL); -+ if (!otg) { -+ dev_err(&pdev->dev, "unable to allocate memory for USB OTG\n"); -+ return -ENOMEM; -+ } -+ -+ phy->dev = dev; -+ phy->label = dev_name(dev); -+ phy->init = usb_power_on; -+ phy->shutdown = usb_power_off; -+ otg->set_host = usb_set_host; -+ otg->set_peripheral = usb_set_peripheral; -+ otg->phy = phy; -+ phy->otg = otg; -+ ret = usb_add_phy(phy, USB_PHY_TYPE_USB2); -+ -+ if (ret < 0) { -+ dev_err(dev, "usb phy addition error\n"); -+ return ret; -+ } -+ -+ platform_set_drvdata(pdev, phy); -+ -+ dev_info(&pdev->dev, "loaded\n"); -+ -+ return ret; -+} -+ -+static int usb_phy_remove(struct platform_device *pdev) -+{ -+ struct usb_phy *phy = platform_get_drvdata(pdev); -+ -+ usb_remove_phy(phy); -+ -+ return 0; -+} -+ -+static struct platform_driver usb_phy_driver = { -+ .driver = { -+ .owner = THIS_MODULE, -+ .name = "rt3xxx-usbphy", -+ .of_match_table = of_match_ptr(ralink_usbphy_dt_match), -+ }, -+ .probe = usb_phy_probe, -+ .remove = usb_phy_remove, -+}; -+ -+module_platform_driver(usb_phy_driver); -+ -+MODULE_LICENSE("GPL v2"); -+MODULE_DESCRIPTION("Ralink USB phy"); -+MODULE_AUTHOR("John Crispin ");