diff options
Diffstat (limited to 'target/linux/ipq40xx/patches-4.19/076-phy-qcom-ipq4019-usb-add-driver-for-QCOM-IPQ4019.patch')
-rw-r--r-- | target/linux/ipq40xx/patches-4.19/076-phy-qcom-ipq4019-usb-add-driver-for-QCOM-IPQ4019.patch | 234 |
1 files changed, 0 insertions, 234 deletions
diff --git a/target/linux/ipq40xx/patches-4.19/076-phy-qcom-ipq4019-usb-add-driver-for-QCOM-IPQ4019.patch b/target/linux/ipq40xx/patches-4.19/076-phy-qcom-ipq4019-usb-add-driver-for-QCOM-IPQ4019.patch deleted file mode 100644 index e7e7a1f89a..0000000000 --- a/target/linux/ipq40xx/patches-4.19/076-phy-qcom-ipq4019-usb-add-driver-for-QCOM-IPQ4019.patch +++ /dev/null @@ -1,234 +0,0 @@ -From 633f0e08498aebfdb932bd71319b4cb136709499 Mon Sep 17 00:00:00 2001 -From: John Crispin <john@phrozen.org> -Date: Tue, 24 Jul 2018 14:45:49 +0200 -Subject: [PATCH 2/3] phy: qcom-ipq4019-usb: add driver for QCOM/IPQ4019 - -Add a driver to setup the USB phy on Qualcom Dakota SoCs. -The driver sets up HS and SS phys. In case of HS some magic values need to -be written to magic offsets. These were taken from the SDK driver. - -Signed-off-by: John Crispin <john@phrozen.org> ---- - drivers/phy/qualcomm/Kconfig | 7 ++ - drivers/phy/qualcomm/Makefile | 1 + - drivers/phy/qualcomm/phy-qcom-ipq4019-usb.c | 188 ++++++++++++++++++++++++++++ - 3 files changed, 196 insertions(+) - create mode 100644 drivers/phy/qualcomm/phy-qcom-ipq4019-usb.c - ---- a/drivers/phy/qualcomm/Kconfig -+++ b/drivers/phy/qualcomm/Kconfig -@@ -17,6 +17,13 @@ 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 ---- /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"); ---- a/drivers/phy/qualcomm/Makefile -+++ b/drivers/phy/qualcomm/Makefile -@@ -1,6 +1,7 @@ - # SPDX-License-Identifier: GPL-2.0 - obj-$(CONFIG_PHY_ATH79_USB) += phy-ath79-usb.o - obj-$(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 |