diff options
Diffstat (limited to 'target/linux/ramips/patches-3.18/0037-USB-phy-add-ralink-SoC-driver.patch')
| -rw-r--r-- | target/linux/ramips/patches-3.18/0037-USB-phy-add-ralink-SoC-driver.patch | 199 |
1 files changed, 0 insertions, 199 deletions
diff --git a/target/linux/ramips/patches-3.18/0037-USB-phy-add-ralink-SoC-driver.patch b/target/linux/ramips/patches-3.18/0037-USB-phy-add-ralink-SoC-driver.patch deleted file mode 100644 index 2448d0ab31..0000000000 --- a/target/linux/ramips/patches-3.18/0037-USB-phy-add-ralink-SoC-driver.patch +++ /dev/null @@ -1,199 +0,0 @@ ---- a/drivers/phy/Kconfig -+++ b/drivers/phy/Kconfig -@@ -239,6 +239,11 @@ config PHY_XGENE - help - This option enables support for APM X-Gene SoC multi-purpose PHY. - -+config PHY_RALINK_USB -+ tristate "Ralink USB PHY driver" -+ select GENERIC_PHY -+ depends on RALINK -+ - config PHY_STIH407_USB - tristate "STMicroelectronics USB2 picoPHY driver for STiH407 family" - depends on RESET_CONTROLLER ---- a/drivers/phy/Makefile -+++ b/drivers/phy/Makefile -@@ -31,3 +31,4 @@ obj-$(CONFIG_PHY_ST_SPEAR1340_MIPHY) += - obj-$(CONFIG_PHY_XGENE) += phy-xgene.o - obj-$(CONFIG_PHY_STIH407_USB) += phy-stih407-usb.o - obj-$(CONFIG_PHY_STIH41X_USB) += phy-stih41x-usb.o -+obj-$(CONFIG_PHY_RALINK_USB) += phy-ralink-usb.o ---- /dev/null -+++ b/drivers/phy/phy-ralink-usb.c -@@ -0,0 +1,175 @@ -+/* -+ * Allwinner ralink USB phy driver -+ * -+ * Copyright (C) 2014 John Crispin <blogic@openwrt.org> -+ * -+ * Based on code from -+ * Allwinner Technology Co., Ltd. <www.allwinnertech.com> -+ * -+ * 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. -+ * -+ * This program is distributed in the hope that it will be useful, -+ * but WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ * GNU General Public License for more details. -+ */ -+ -+#include <linux/delay.h> -+#include <linux/err.h> -+#include <linux/io.h> -+#include <linux/kernel.h> -+#include <linux/module.h> -+#include <linux/mutex.h> -+#include <linux/phy/phy.h> -+#include <linux/platform_device.h> -+#include <linux/reset.h> -+#include <linux/of_platform.h> -+ -+#include <asm/mach-ralink/ralink_regs.h> -+ -+#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 struct phy *rt_phy; -+ -+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 ralink_usb_phy_init(struct phy *_phy) -+{ -+ return 0; -+} -+ -+static int ralink_usb_phy_exit(struct phy *_phy) -+{ -+ return 0; -+} -+ -+static int ralink_usb_phy_power_on(struct phy *_phy) -+{ -+ if (atomic_inc_return(&usb_pwr_ref) == 1) { -+ int host = 1; -+ u32 t; -+ -+ usb_phy_enable(1); -+ -+ if (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 int ralink_usb_phy_power_off(struct 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); -+ } -+ -+ return 0; -+} -+ -+static struct phy_ops ralink_usb_phy_ops = { -+ .init = ralink_usb_phy_init, -+ .exit = ralink_usb_phy_exit, -+ .power_on = ralink_usb_phy_power_on, -+ .power_off = ralink_usb_phy_power_off, -+ .owner = THIS_MODULE, -+}; -+ -+static struct phy *ralink_usb_phy_xlate(struct device *dev, -+ struct of_phandle_args *args) -+{ -+ return rt_phy; -+} -+ -+static const struct of_device_id ralink_usb_phy_of_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_usb_phy_of_match); -+ -+static int ralink_usb_phy_probe(struct platform_device *pdev) -+{ -+ struct device *dev = &pdev->dev; -+ struct phy_provider *phy_provider; -+ const struct of_device_id *match; -+ -+ match = of_match_device(ralink_usb_phy_of_match, &pdev->dev); -+ phy_clk = (int) match->data; -+ -+ rsthost = devm_reset_control_get(&pdev->dev, "host"); -+ rstdev = devm_reset_control_get(&pdev->dev, "device"); -+ -+ rt_phy = devm_phy_create(dev, NULL, &ralink_usb_phy_ops, NULL); -+ if (IS_ERR(rt_phy)) { -+ dev_err(dev, "failed to create PHY\n"); -+ return PTR_ERR(rt_phy); -+ } -+ -+ phy_provider = devm_of_phy_provider_register(dev, ralink_usb_phy_xlate); -+ -+ return PTR_ERR_OR_ZERO(phy_provider); -+} -+ -+static struct platform_driver ralink_usb_phy_driver = { -+ .probe = ralink_usb_phy_probe, -+ .driver = { -+ .of_match_table = ralink_usb_phy_of_match, -+ .name = "ralink-usb-phy", -+ } -+}; -+module_platform_driver(ralink_usb_phy_driver); -+ -+MODULE_DESCRIPTION("Ralink USB phy driver"); -+MODULE_AUTHOR("John Crispin <blogic@openwrt.org>"); -+MODULE_LICENSE("GPL v2"); |