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author | Felix Fietkau <nbd@openwrt.org> | 2016-03-07 17:56:53 +0000 |
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committer | Felix Fietkau <nbd@openwrt.org> | 2016-03-07 17:56:53 +0000 |
commit | 1e91df0491af50d6bb3872bf1951e47c31694f3d (patch) | |
tree | feb1e217b182e8c5b30d910a506e4b9f07f7e780 /target/linux/ramips/patches-4.3/0029-phy-usb-add-ralink-phy.patch | |
parent | 95cd00b31eea8f61158c2b2f05698688321a0ccd (diff) | |
download | master-187ad058-1e91df0491af50d6bb3872bf1951e47c31694f3d.tar.gz master-187ad058-1e91df0491af50d6bb3872bf1951e47c31694f3d.tar.bz2 master-187ad058-1e91df0491af50d6bb3872bf1951e47c31694f3d.zip |
ramips: convert the remaining subtargets to 4.4
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@48954 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/ramips/patches-4.3/0029-phy-usb-add-ralink-phy.patch')
-rw-r--r-- | target/linux/ramips/patches-4.3/0029-phy-usb-add-ralink-phy.patch | 293 |
1 files changed, 0 insertions, 293 deletions
diff --git a/target/linux/ramips/patches-4.3/0029-phy-usb-add-ralink-phy.patch b/target/linux/ramips/patches-4.3/0029-phy-usb-add-ralink-phy.patch deleted file mode 100644 index 30db4ab326..0000000000 --- a/target/linux/ramips/patches-4.3/0029-phy-usb-add-ralink-phy.patch +++ /dev/null @@ -1,293 +0,0 @@ -From b00b5eafa7e8d059bd0ce844e66f648916953270 Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Sun, 3 Jan 2016 19:11:22 +0100 -Subject: [PATCH 2/3] phy: ralink-usb: add driver for Mediatek/Ralink - -Add a driver to setup the USB phy on Mediatek/Ralink SoCs. -The driver is trivial and only sets up power and host mode. - -Signed-off-by: John Crispin <blogic@openwrt.org> ---- - .../devicetree/bindings/phy/ralink-usb-phy.txt | 17 ++ - drivers/phy/Kconfig | 8 + - drivers/phy/Makefile | 1 + - drivers/phy/phy-ralink-usb.c | 171 ++++++++++++++++++++ - 4 files changed, 197 insertions(+) - create mode 100644 Documentation/devicetree/bindings/phy/ralink-usb-phy.txt - create mode 100644 drivers/phy/phy-ralink-usb.c - ---- /dev/null -+++ b/Documentation/devicetree/bindings/phy/ralink-usb-phy.txt -@@ -0,0 +1,17 @@ -+Mediatek/Ralink USB PHY -+ -+Required properties: -+ - compatible: ralink,rt3352-usbphy or mediatek,mt7620-usbphy -+ - #phy-cells: should be 0 -+ - resets: the two reset controllers for host and device -+ - reset-names: the names of the 2 reset controllers -+ -+Example: -+ -+usbphy: phy { -+ compatible = "mediatek,mt7620-usbphy"; -+ #phy-cells = <0>; -+ -+ resets = <&rstctrl 22 &rstctrl 25>; -+ reset-names = "host", "device"; -+}; ---- a/drivers/phy/Kconfig -+++ b/drivers/phy/Kconfig -@@ -331,6 +331,14 @@ - 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 -+ help -+ This option enables support for the Ralink USB PHY found inside -+ RT3352 and MT7620. -+ - config PHY_STIH407_USB - tristate "STMicroelectronics USB2 picoPHY driver for STiH407 family" - depends on RESET_CONTROLLER ---- a/drivers/phy/Makefile -+++ b/drivers/phy/Makefile -@@ -46,3 +46,4 @@ - obj-$(CONFIG_PHY_TUSB1210) += phy-tusb1210.o - obj-$(CONFIG_PHY_BRCMSTB_SATA) += phy-brcmstb-sata.o - obj-$(CONFIG_PHY_PISTACHIO_USB) += phy-pistachio-usb.o -+obj-$(CONFIG_PHY_RALINK_USB) += phy-ralink-usb.o ---- /dev/null -+++ b/drivers/phy/phy-ralink-usb.c -@@ -0,0 +1,228 @@ -+/* -+ * Allwinner ralink USB phy driver -+ * -+ * Copyright (C) 2016 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 OFS_U2_PHY_AC0 0x00 -+#define OFS_U2_PHY_AC1 0x04 -+#define OFS_U2_PHY_AC2 0x08 -+#define OFS_U2_PHY_ACR0 0x10 -+#define OFS_U2_PHY_ACR1 0x14 -+#define OFS_U2_PHY_ACR2 0x18 -+#define OFS_U2_PHY_ACR3 0x1C -+#define OFS_U2_PHY_ACR4 0x20 -+#define OFS_U2_PHY_AMON0 0x24 -+#define OFS_U2_PHY_DCR0 0x60 -+#define OFS_U2_PHY_DCR1 0x64 -+#define OFS_U2_PHY_DTM0 0x68 -+#define OFS_U2_PHY_DTM1 0x6C -+ -+#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) -+ -+struct ralink_usb_phy { -+ struct reset_control *rstdev; -+ struct reset_control *rsthost; -+ u32 clk; -+ struct phy *phy; -+ void __iomem *base; -+}; -+ -+static void u2_phy_w32(struct ralink_usb_phy *phy, u32 val, u32 reg) -+{ -+ iowrite32(val, phy->base + reg); -+} -+ -+static u32 u2_phy_r32(struct ralink_usb_phy *phy, u32 reg) -+{ -+ return ioread32(phy->base + reg); -+} -+ -+static void -+u2_phy_init(struct ralink_usb_phy *phy) -+{ -+ u2_phy_r32(phy, OFS_U2_PHY_AC2); -+ u2_phy_r32(phy, OFS_U2_PHY_ACR0); -+ u2_phy_r32(phy, OFS_U2_PHY_DCR0); -+ -+ u2_phy_w32(phy, 0x00ffff02, OFS_U2_PHY_DCR0); -+ u2_phy_r32(phy, OFS_U2_PHY_DCR0); -+ u2_phy_w32(phy, 0x00555502, OFS_U2_PHY_DCR0); -+ u2_phy_r32(phy, OFS_U2_PHY_DCR0); -+ u2_phy_w32(phy, 0x00aaaa02, OFS_U2_PHY_DCR0); -+ u2_phy_r32(phy, OFS_U2_PHY_DCR0); -+ u2_phy_w32(phy, 0x00000402, OFS_U2_PHY_DCR0); -+ u2_phy_r32(phy, OFS_U2_PHY_DCR0); -+ u2_phy_w32(phy, 0x0048086a, OFS_U2_PHY_AC0); -+ u2_phy_w32(phy, 0x4400001c, OFS_U2_PHY_AC1); -+ u2_phy_w32(phy, 0xc0200000, OFS_U2_PHY_ACR3); -+ u2_phy_w32(phy, 0x02000000, OFS_U2_PHY_DTM0); -+} -+ -+static int ralink_usb_phy_power_on(struct phy *_phy) -+{ -+ struct ralink_usb_phy *phy = phy_get_drvdata(_phy); -+ u32 t; -+ -+ /* enable the phy */ -+ rt_sysc_m32(0, phy->clk, RT_SYSC_REG_CLKCFG1); -+ -+ /* setup host mode */ -+ rt_sysc_m32(0, RT_SYSCFG1_USB0_HOST_MODE, RT_SYSC_REG_SYSCFG1); -+ -+ /* deassert the reset lines */ -+ reset_control_deassert(phy->rsthost); -+ reset_control_deassert(phy->rstdev); -+ -+ /* -+ * The SDK kernel had a delay of 100ms. however on device -+ * testing showed that 10ms is enough -+ */ -+ mdelay(10); -+ -+ if (!IS_ERR(phy->base)) -+ u2_phy_init(phy); -+ -+ /* print some status info */ -+ t = rt_sysc_r32(RT_SYSC_REG_USB_PHY_CFG); -+ dev_info(&phy->phy->dev, "remote usb device wakeup %s\n", -+ (t & UDEV_WAKEUP) ? ("enabled") : ("disabled")); -+ if (t & USB_PHY_UTMI_8B60M) -+ dev_info(&phy->phy->dev, "UTMI 8bit 60MHz\n"); -+ else -+ dev_info(&phy->phy->dev, "UTMI 16bit 30MHz\n"); -+ -+ return 0; -+} -+ -+static int ralink_usb_phy_power_off(struct phy *_phy) -+{ -+ struct ralink_usb_phy *phy = phy_get_drvdata(_phy); -+ -+ /* assert the reset lines */ -+ reset_control_assert(phy->rstdev); -+ reset_control_assert(phy->rsthost); -+ -+ /* disable the phy */ -+ rt_sysc_m32(phy->clk, 0, RT_SYSC_REG_CLKCFG1); -+ -+ return 0; -+} -+ -+static struct phy_ops ralink_usb_phy_ops = { -+ .power_on = ralink_usb_phy_power_on, -+ .power_off = ralink_usb_phy_power_off, -+ .owner = THIS_MODULE, -+}; -+ -+static const struct of_device_id ralink_usb_phy_of_match[] = { -+ { -+ .compatible = "ralink,rt3352-usbphy", -+ .data = (void *) (RT_CLKCFG1_UPHY1_CLK_EN | -+ RT_CLKCFG1_UPHY0_CLK_EN) -+ }, -+ { -+ .compatible = "mediatek,mt7620-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 resource *res; -+ struct device *dev = &pdev->dev; -+ struct phy_provider *phy_provider; -+ const struct of_device_id *match; -+ struct ralink_usb_phy *phy; -+ -+ phy = devm_kzalloc(dev, sizeof(*phy), GFP_KERNEL); -+ if (!phy) -+ return -ENOMEM; -+ -+ match = of_match_device(ralink_usb_phy_of_match, &pdev->dev); -+ if (!match) -+ return -ENODEV; -+ -+ phy->clk = (int) match->data; -+ -+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ phy->base = devm_ioremap_resource(&pdev->dev, res); -+ -+ phy->rsthost = devm_reset_control_get(&pdev->dev, "host"); -+ if (IS_ERR(phy->rsthost)) { -+ dev_err(dev, "host reset is missing\n"); -+ return PTR_ERR(phy->rsthost); -+ } -+ -+ phy->rstdev = devm_reset_control_get(&pdev->dev, "device"); -+ if (IS_ERR(phy->rstdev)) { -+ dev_err(dev, "device reset is missing\n"); -+ return PTR_ERR(phy->rstdev); -+ } -+ -+ phy->phy = devm_phy_create(dev, NULL, &ralink_usb_phy_ops); -+ if (IS_ERR(phy->phy)) { -+ dev_err(dev, "failed to create PHY\n"); -+ return PTR_ERR(phy->phy); -+ } -+ phy_set_drvdata(phy->phy, phy); -+ -+ phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_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"); |