diff options
Diffstat (limited to 'target/linux/ipq40xx/patches-4.14/306-qcom-ipq4019-add-USB-nodes-to-ipq4019-SoC-device-tre.patch')
| -rw-r--r-- | target/linux/ipq40xx/patches-4.14/306-qcom-ipq4019-add-USB-nodes-to-ipq4019-SoC-device-tre.patch | 235 |
1 files changed, 227 insertions, 8 deletions
diff --git a/target/linux/ipq40xx/patches-4.14/306-qcom-ipq4019-add-USB-nodes-to-ipq4019-SoC-device-tre.patch b/target/linux/ipq40xx/patches-4.14/306-qcom-ipq4019-add-USB-nodes-to-ipq4019-SoC-device-tre.patch index 33d744251c..ee2beaa64d 100644 --- a/target/linux/ipq40xx/patches-4.14/306-qcom-ipq4019-add-USB-nodes-to-ipq4019-SoC-device-tre.patch +++ b/target/linux/ipq40xx/patches-4.14/306-qcom-ipq4019-add-USB-nodes-to-ipq4019-SoC-device-tre.patch @@ -51,13 +51,14 @@ Changes: }; --- a/arch/arm/boot/dts/qcom-ipq4019.dtsi +++ b/arch/arm/boot/dts/qcom-ipq4019.dtsi -@@ -539,5 +539,76 @@ +@@ -539,5 +539,79 @@ "legacy"; status = "disabled"; }; + + usb3_ss_phy: ssphy@9a000 { -+ compatible = "qca,uni-ssphy"; ++ compatible = "qcom,usb-ss-ipq4019-phy"; ++ #phy-cells = <0>; + reg = <0x9a000 0x800>; + reg-names = "phy_base"; + resets = <&gcc USB3_UNIPHY_PHY_ARES>; @@ -66,7 +67,8 @@ Changes: + }; + + usb3_hs_phy: hsphy@a6000 { -+ compatible = "qca,baldur-usb3-hsphy"; ++ compatible = "qcom,usb-hs-ipq4019-phy"; ++ #phy-cells = <0>; + reg = <0xa6000 0x40>; + reg-names = "phy_base"; + resets = <&gcc USB3_HSPHY_POR_ARES>, <&gcc USB3_HSPHY_S_ARES>; @@ -75,7 +77,7 @@ Changes: + }; + + usb3@8af8800 { -+ compatible = "qca,ipq4019-dwc3"; ++ compatible = "qcom,dwc3"; + reg = <0x8af8800 0x100>; + #address-cells = <1>; + #size-cells = <1>; @@ -90,14 +92,15 @@ Changes: + compatible = "snps,dwc3"; + reg = <0x8a00000 0xf8000>; + interrupts = <0 132 0>; -+ usb-phy = <&usb3_hs_phy>, <&usb3_ss_phy>; ++ phys = <&usb3_hs_phy>, <&usb3_ss_phy>; + phy-names = "usb2-phy", "usb3-phy"; + dr_mode = "host"; + }; + }; + + usb2_hs_phy: hsphy@a8000 { -+ compatible = "qca,baldur-usb2-hsphy"; ++ compatible = "qcom,usb-hs-ipq4019-phy"; ++ #phy-cells = <0>; + reg = <0xa8000 0x40>; + reg-names = "phy_base"; + resets = <&gcc USB2_HSPHY_POR_ARES>, <&gcc USB2_HSPHY_S_ARES>; @@ -106,7 +109,7 @@ Changes: + }; + + usb2@60f8800 { -+ compatible = "qca,ipq4019-dwc3"; ++ compatible = "qcom,dwc3"; + reg = <0x60f8800 0x100>; + #address-cells = <1>; + #size-cells = <1>; @@ -121,10 +124,226 @@ Changes: + compatible = "snps,dwc3"; + reg = <0x6000000 0xf8000>; + interrupts = <0 136 0>; -+ usb-phy = <&usb2_hs_phy>; ++ phys = <&usb2_hs_phy>; + phy-names = "usb2-phy"; + dr_mode = "host"; + }; + }; }; }; +--- a/drivers/phy/qualcomm/Kconfig ++++ b/drivers/phy/qualcomm/Kconfig +@@ -8,6 +8,13 @@ config PHY_QCOM_APQ8064_SATA + depends on OF + select GENERIC_PHY + ++config PHY_QCOM_IPQ4019_USB ++ tristate "Qualcomm IPQ4019 USB PHY module" ++ depends on OF && ARCH_QCOM ++ select GENERIC_PHY ++ help ++ Support for the USB PHY on QCOM IPQ4019/Dakota chipsets. ++ + config PHY_QCOM_IPQ806X_SATA + tristate "Qualcomm IPQ806x SATA SerDes/PHY driver" + depends on ARCH_QCOM +--- a/drivers/phy/qualcomm/Makefile ++++ b/drivers/phy/qualcomm/Makefile +@@ -1,5 +1,6 @@ + # SPDX-License-Identifier: GPL-2.0 + obj-$(CONFIG_PHY_QCOM_APQ8064_SATA) += phy-qcom-apq8064-sata.o ++obj-$(CONFIG_PHY_QCOM_IPQ4019_USB) += phy-qcom-ipq4019-usb.o + obj-$(CONFIG_PHY_QCOM_IPQ806X_SATA) += phy-qcom-ipq806x-sata.o + obj-$(CONFIG_PHY_QCOM_QMP) += phy-qcom-qmp.o + obj-$(CONFIG_PHY_QCOM_QUSB2) += phy-qcom-qusb2.o +--- /dev/null ++++ b/drivers/phy/qualcomm/phy-qcom-ipq4019-usb.c +@@ -0,0 +1,188 @@ ++/* ++ * Copyright (C) 2018 John Crispin <john@phrozen.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/of_platform.h> ++#include <linux/phy/phy.h> ++#include <linux/platform_device.h> ++#include <linux/reset.h> ++ ++/* ++ * Magic registers copied from the SDK driver code ++ */ ++#define PHY_CTRL0_ADDR 0x000 ++#define PHY_CTRL1_ADDR 0x004 ++#define PHY_CTRL2_ADDR 0x008 ++#define PHY_CTRL3_ADDR 0x00C ++#define PHY_CTRL4_ADDR 0x010 ++#define PHY_MISC_ADDR 0x024 ++#define PHY_IPG_ADDR 0x030 ++ ++#define PHY_CTRL0_VAL 0xA4600015 ++#define PHY_CTRL1_VAL 0x09500000 ++#define PHY_CTRL2_VAL 0x00058180 ++#define PHY_CTRL3_VAL 0x6DB6DCD6 ++#define PHY_CTRL4_VAL 0x836DB6DB ++#define PHY_MISC_VAL 0x3803FB0C ++#define PHY_IPG_VAL 0x47323232 ++ ++struct ipq4019_usb_phy { ++ struct device *dev; ++ struct phy *phy; ++ void __iomem *base; ++ struct reset_control *por_rst; ++ struct reset_control *srif_rst; ++}; ++ ++static int ipq4019_ss_phy_power_off(struct phy *_phy) ++{ ++ struct ipq4019_usb_phy *phy = phy_get_drvdata(_phy); ++ ++ reset_control_assert(phy->por_rst); ++ msleep(10); ++ ++ return 0; ++} ++ ++static int ipq4019_ss_phy_power_on(struct phy *_phy) ++{ ++ struct ipq4019_usb_phy *phy = phy_get_drvdata(_phy); ++ ++ ipq4019_ss_phy_power_off(_phy); ++ ++ reset_control_deassert(phy->por_rst); ++ ++ return 0; ++} ++ ++static struct phy_ops ipq4019_usb_ss_phy_ops = { ++ .power_on = ipq4019_ss_phy_power_on, ++ .power_off = ipq4019_ss_phy_power_off, ++}; ++ ++static int ipq4019_hs_phy_power_off(struct phy *_phy) ++{ ++ struct ipq4019_usb_phy *phy = phy_get_drvdata(_phy); ++ ++ reset_control_assert(phy->por_rst); ++ msleep(10); ++ ++ reset_control_assert(phy->srif_rst); ++ msleep(10); ++ ++ return 0; ++} ++ ++static int ipq4019_hs_phy_power_on(struct phy *_phy) ++{ ++ struct ipq4019_usb_phy *phy = phy_get_drvdata(_phy); ++ ++ ipq4019_hs_phy_power_off(_phy); ++ ++ reset_control_deassert(phy->srif_rst); ++ msleep(10); ++ ++ writel(PHY_CTRL0_VAL, phy->base + PHY_CTRL0_ADDR); ++ writel(PHY_CTRL1_VAL, phy->base + PHY_CTRL1_ADDR); ++ writel(PHY_CTRL2_VAL, phy->base + PHY_CTRL2_ADDR); ++ writel(PHY_CTRL3_VAL, phy->base + PHY_CTRL3_ADDR); ++ writel(PHY_CTRL4_VAL, phy->base + PHY_CTRL4_ADDR); ++ writel(PHY_MISC_VAL, phy->base + PHY_MISC_ADDR); ++ writel(PHY_IPG_VAL, phy->base + PHY_IPG_ADDR); ++ msleep(10); ++ ++ reset_control_deassert(phy->por_rst); ++ ++ return 0; ++} ++ ++static struct phy_ops ipq4019_usb_hs_phy_ops = { ++ .power_on = ipq4019_hs_phy_power_on, ++ .power_off = ipq4019_hs_phy_power_off, ++}; ++ ++static const struct of_device_id ipq4019_usb_phy_of_match[] = { ++ { .compatible = "qcom,usb-hs-ipq4019-phy", .data = &ipq4019_usb_hs_phy_ops}, ++ { .compatible = "qcom,usb-ss-ipq4019-phy", .data = &ipq4019_usb_ss_phy_ops}, ++ { }, ++}; ++MODULE_DEVICE_TABLE(of, ipq4019_usb_phy_of_match); ++ ++static int ipq4019_usb_phy_probe(struct platform_device *pdev) ++{ ++ struct device *dev = &pdev->dev; ++ struct resource *res; ++ struct phy_provider *phy_provider; ++ struct ipq4019_usb_phy *phy; ++ const struct of_device_id *match; ++ ++ match = of_match_device(ipq4019_usb_phy_of_match, &pdev->dev); ++ if (!match) ++ return -ENODEV; ++ ++ phy = devm_kzalloc(dev, sizeof(*phy), GFP_KERNEL); ++ if (!phy) ++ return -ENOMEM; ++ ++ phy->dev = &pdev->dev; ++ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); ++ phy->base = devm_ioremap_resource(&pdev->dev, res); ++ if (IS_ERR(phy->base)) { ++ dev_err(dev, "failed to remap register memory\n"); ++ return PTR_ERR(phy->base); ++ } ++ ++ phy->por_rst = devm_reset_control_get(phy->dev, "por_rst"); ++ if (IS_ERR(phy->por_rst)) { ++ if (PTR_ERR(phy->por_rst) != -EPROBE_DEFER) ++ dev_err(dev, "POR reset is missing\n"); ++ return PTR_ERR(phy->por_rst); ++ } ++ ++ phy->srif_rst = devm_reset_control_get_optional(phy->dev, "srif_rst"); ++ if (IS_ERR(phy->srif_rst)) ++ return PTR_ERR(phy->srif_rst); ++ ++ phy->phy = devm_phy_create(dev, NULL, match->data); ++ 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 ipq4019_usb_phy_driver = { ++ .probe = ipq4019_usb_phy_probe, ++ .driver = { ++ .of_match_table = ipq4019_usb_phy_of_match, ++ .name = "ipq4019-usb-phy", ++ } ++}; ++module_platform_driver(ipq4019_usb_phy_driver); ++ ++MODULE_DESCRIPTION("QCOM/IPQ4019 USB phy driver"); ++MODULE_AUTHOR("John Crispin <john@phrozen.org>"); ++MODULE_LICENSE("GPL v2"); |