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author | John Crispin <blogic@openwrt.org> | 2013-08-14 18:15:15 +0000 |
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committer | John Crispin <blogic@openwrt.org> | 2013-08-14 18:15:15 +0000 |
commit | b9aed7de867a25b5b25ec73107aad58694920dab (patch) | |
tree | d43e79ac4ba86ff1867147c7e55ff19ace92cb9a /target/linux/ramips/patches-3.10/0018-USB-phy-add-ralink-SoC-driver.patch | |
parent | 4e0f16aad4b317d3625bba23334f44053672cf43 (diff) | |
download | upstream-b9aed7de867a25b5b25ec73107aad58694920dab.tar.gz upstream-b9aed7de867a25b5b25ec73107aad58694920dab.tar.bz2 upstream-b9aed7de867a25b5b25ec73107aad58694920dab.zip |
ramips: update v3.10 patches
Sync the patches with those sent upstream for v3.12.
Signed-off-by: John Crispin <blogic@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@37778 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/ramips/patches-3.10/0018-USB-phy-add-ralink-SoC-driver.patch')
-rw-r--r-- | target/linux/ramips/patches-3.10/0018-USB-phy-add-ralink-SoC-driver.patch | 229 |
1 files changed, 0 insertions, 229 deletions
diff --git a/target/linux/ramips/patches-3.10/0018-USB-phy-add-ralink-SoC-driver.patch b/target/linux/ramips/patches-3.10/0018-USB-phy-add-ralink-SoC-driver.patch deleted file mode 100644 index ddfc856687..0000000000 --- a/target/linux/ramips/patches-3.10/0018-USB-phy-add-ralink-SoC-driver.patch +++ /dev/null @@ -1,229 +0,0 @@ -From c5f51197b13fd312324ac0486a46e530e163eade Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Sun, 14 Jul 2013 23:31:19 +0200 -Subject: [PATCH 18/33] USB: phy: add ralink SoC driver - -Signed-off-by: John Crispin <blogic@openwrt.org> ---- - drivers/usb/phy/Kconfig | 8 ++ - drivers/usb/phy/Makefile | 1 + - drivers/usb/phy/ralink-phy.c | 191 ++++++++++++++++++++++++++++++++++++++++++ - 3 files changed, 200 insertions(+) - create mode 100644 drivers/usb/phy/ralink-phy.c - ---- a/drivers/usb/phy/Kconfig -+++ b/drivers/usb/phy/Kconfig -@@ -210,4 +210,12 @@ config USB_ULPI_VIEWPORT - Provides read/write operations to the ULPI phy register set for - controllers with a viewport register (e.g. Chipidea/ARC controllers). - -+config RALINK_USBPHY -+ bool "Ralink USB PHY controller Driver" -+ depends on MIPS && RALINK -+ select USB_OTG_UTILS -+ help -+ Enable this to support ralink USB phy controller for ralink -+ SoCs. -+ - endif # USB_PHY ---- a/drivers/usb/phy/Makefile -+++ b/drivers/usb/phy/Makefile -@@ -31,3 +31,4 @@ obj-$(CONFIG_USB_MXS_PHY) += phy-mxs-us - obj-$(CONFIG_USB_RCAR_PHY) += phy-rcar-usb.o - obj-$(CONFIG_USB_ULPI) += phy-ulpi.o - obj-$(CONFIG_USB_ULPI_VIEWPORT) += phy-ulpi-viewport.o -+obj-$(CONFIG_RALINK_USBPHY) += ralink-phy.o ---- /dev/null -+++ b/drivers/usb/phy/ralink-phy.c -@@ -0,0 +1,191 @@ -+/* -+ * Copyright (C) 2013 John Crispin <blogic@openwrt.org> -+ * -+ * 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 <linux/delay.h> -+#include <linux/io.h> -+#include <linux/usb/otg.h> -+#include <linux/of_platform.h> -+#include <linux/platform_device.h> -+#include <linux/spinlock.h> -+#include <linux/module.h> -+#include <linux/reset.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 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); -+ reset_control_deassert(rsthost); -+ } else { -+ rt_sysc_m32(RT_SYSCFG1_USB0_HOST_MODE, 0, RT_SYSC_REG_SYSCFG1); -+ 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); -+ reset_control_assert(rstdev); -+ 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_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"); -+ if (IS_ERR(rsthost)) -+ return PTR_ERR(rsthost); -+ -+ rstdev = devm_reset_control_get(&pdev->dev, "device"); -+ if (IS_ERR(rstdev)) -+ return PTR_ERR(rstdev); -+ -+ 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 <blogic@openwrt.org>"); |