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Diffstat (limited to 'target/linux/ipq40xx/patches-5.4/0005-01-v5.8-net-phy-mdio-add-IPQ4019-MDIO-driver.patch')
-rw-r--r--target/linux/ipq40xx/patches-5.4/0005-01-v5.8-net-phy-mdio-add-IPQ4019-MDIO-driver.patch210
1 files changed, 0 insertions, 210 deletions
diff --git a/target/linux/ipq40xx/patches-5.4/0005-01-v5.8-net-phy-mdio-add-IPQ4019-MDIO-driver.patch b/target/linux/ipq40xx/patches-5.4/0005-01-v5.8-net-phy-mdio-add-IPQ4019-MDIO-driver.patch
deleted file mode 100644
index b48e922fb0..0000000000
--- a/target/linux/ipq40xx/patches-5.4/0005-01-v5.8-net-phy-mdio-add-IPQ4019-MDIO-driver.patch
+++ /dev/null
@@ -1,210 +0,0 @@
-From 466ed24fb22342f3ae1c10758a6a0c6a8c081b2d Mon Sep 17 00:00:00 2001
-From: Robert Marko <robert.marko@sartura.hr>
-Date: Thu, 30 Apr 2020 11:07:05 +0200
-Subject: [PATCH] net: phy: mdio: add IPQ4019 MDIO driver
-
-This patch adds the driver for the MDIO interface
-inside of Qualcomm IPQ40xx series SoC-s.
-
-Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
-Signed-off-by: Robert Marko <robert.marko@sartura.hr>
-Reviewed-by: Andrew Lunn <andrew@lunn.ch>
-Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
-Cc: Luka Perkov <luka.perkov@sartura.hr>
-Signed-off-by: David S. Miller <davem@davemloft.net>
----
- drivers/net/phy/Kconfig | 7 ++
- drivers/net/phy/Makefile | 1 +
- drivers/net/phy/mdio-ipq4019.c | 160 +++++++++++++++++++++++++++++++++
- 3 files changed, 168 insertions(+)
- create mode 100644 drivers/net/phy/mdio-ipq4019.c
-
---- a/drivers/net/phy/Kconfig
-+++ b/drivers/net/phy/Kconfig
-@@ -156,6 +156,13 @@ config MDIO_I2C
-
- This is library mode.
-
-+config MDIO_IPQ4019
-+ tristate "Qualcomm IPQ4019 MDIO interface support"
-+ depends on HAS_IOMEM && OF_MDIO
-+ help
-+ This driver supports the MDIO interface found in Qualcomm
-+ IPQ40xx series Soc-s.
-+
- config MDIO_MOXART
- tristate "MOXA ART MDIO interface support"
- depends on ARCH_MOXART || COMPILE_TEST
---- a/drivers/net/phy/Makefile
-+++ b/drivers/net/phy/Makefile
-@@ -49,6 +49,7 @@ obj-$(CONFIG_MDIO_CAVIUM) += mdio-cavium
- obj-$(CONFIG_MDIO_GPIO) += mdio-gpio.o
- obj-$(CONFIG_MDIO_HISI_FEMAC) += mdio-hisi-femac.o
- obj-$(CONFIG_MDIO_I2C) += mdio-i2c.o
-+obj-$(CONFIG_MDIO_IPQ4019) += mdio-ipq4019.o
- obj-$(CONFIG_MDIO_MOXART) += mdio-moxart.o
- obj-$(CONFIG_MDIO_MSCC_MIIM) += mdio-mscc-miim.o
- obj-$(CONFIG_MDIO_OCTEON) += mdio-octeon.o
---- /dev/null
-+++ b/drivers/net/phy/mdio-ipq4019.c
-@@ -0,0 +1,160 @@
-+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
-+/* Copyright (c) 2015, The Linux Foundation. All rights reserved. */
-+/* Copyright (c) 2020 Sartura Ltd. */
-+
-+#include <linux/delay.h>
-+#include <linux/kernel.h>
-+#include <linux/module.h>
-+#include <linux/io.h>
-+#include <linux/iopoll.h>
-+#include <linux/of_address.h>
-+#include <linux/of_mdio.h>
-+#include <linux/phy.h>
-+#include <linux/platform_device.h>
-+
-+#define MDIO_ADDR_REG 0x44
-+#define MDIO_DATA_WRITE_REG 0x48
-+#define MDIO_DATA_READ_REG 0x4c
-+#define MDIO_CMD_REG 0x50
-+#define MDIO_CMD_ACCESS_BUSY BIT(16)
-+#define MDIO_CMD_ACCESS_START BIT(8)
-+#define MDIO_CMD_ACCESS_CODE_READ 0
-+#define MDIO_CMD_ACCESS_CODE_WRITE 1
-+
-+#define ipq4019_MDIO_TIMEOUT 10000
-+#define ipq4019_MDIO_SLEEP 10
-+
-+struct ipq4019_mdio_data {
-+ void __iomem *membase;
-+};
-+
-+static int ipq4019_mdio_wait_busy(struct mii_bus *bus)
-+{
-+ struct ipq4019_mdio_data *priv = bus->priv;
-+ unsigned int busy;
-+
-+ return readl_poll_timeout(priv->membase + MDIO_CMD_REG, busy,
-+ (busy & MDIO_CMD_ACCESS_BUSY) == 0,
-+ ipq4019_MDIO_SLEEP, ipq4019_MDIO_TIMEOUT);
-+}
-+
-+static int ipq4019_mdio_read(struct mii_bus *bus, int mii_id, int regnum)
-+{
-+ struct ipq4019_mdio_data *priv = bus->priv;
-+ unsigned int cmd;
-+
-+ /* Reject clause 45 */
-+ if (regnum & MII_ADDR_C45)
-+ return -EOPNOTSUPP;
-+
-+ if (ipq4019_mdio_wait_busy(bus))
-+ return -ETIMEDOUT;
-+
-+ /* issue the phy address and reg */
-+ writel((mii_id << 8) | regnum, priv->membase + MDIO_ADDR_REG);
-+
-+ cmd = MDIO_CMD_ACCESS_START | MDIO_CMD_ACCESS_CODE_READ;
-+
-+ /* issue read command */
-+ writel(cmd, priv->membase + MDIO_CMD_REG);
-+
-+ /* Wait read complete */
-+ if (ipq4019_mdio_wait_busy(bus))
-+ return -ETIMEDOUT;
-+
-+ /* Read and return data */
-+ return readl(priv->membase + MDIO_DATA_READ_REG);
-+}
-+
-+static int ipq4019_mdio_write(struct mii_bus *bus, int mii_id, int regnum,
-+ u16 value)
-+{
-+ struct ipq4019_mdio_data *priv = bus->priv;
-+ unsigned int cmd;
-+
-+ /* Reject clause 45 */
-+ if (regnum & MII_ADDR_C45)
-+ return -EOPNOTSUPP;
-+
-+ if (ipq4019_mdio_wait_busy(bus))
-+ return -ETIMEDOUT;
-+
-+ /* issue the phy address and reg */
-+ writel((mii_id << 8) | regnum, priv->membase + MDIO_ADDR_REG);
-+
-+ /* issue write data */
-+ writel(value, priv->membase + MDIO_DATA_WRITE_REG);
-+
-+ cmd = MDIO_CMD_ACCESS_START | MDIO_CMD_ACCESS_CODE_WRITE;
-+ /* issue write command */
-+ writel(cmd, priv->membase + MDIO_CMD_REG);
-+
-+ /* Wait write complete */
-+ if (ipq4019_mdio_wait_busy(bus))
-+ return -ETIMEDOUT;
-+
-+ return 0;
-+}
-+
-+static int ipq4019_mdio_probe(struct platform_device *pdev)
-+{
-+ struct ipq4019_mdio_data *priv;
-+ struct mii_bus *bus;
-+ int ret;
-+
-+ bus = devm_mdiobus_alloc_size(&pdev->dev, sizeof(*priv));
-+ if (!bus)
-+ return -ENOMEM;
-+
-+ priv = bus->priv;
-+
-+ priv->membase = devm_platform_ioremap_resource(pdev, 0);
-+ if (IS_ERR(priv->membase))
-+ return PTR_ERR(priv->membase);
-+
-+ bus->name = "ipq4019_mdio";
-+ bus->read = ipq4019_mdio_read;
-+ bus->write = ipq4019_mdio_write;
-+ bus->parent = &pdev->dev;
-+ snprintf(bus->id, MII_BUS_ID_SIZE, "%s%d", pdev->name, pdev->id);
-+
-+ ret = of_mdiobus_register(bus, pdev->dev.of_node);
-+ if (ret) {
-+ dev_err(&pdev->dev, "Cannot register MDIO bus!\n");
-+ return ret;
-+ }
-+
-+ platform_set_drvdata(pdev, bus);
-+
-+ return 0;
-+}
-+
-+static int ipq4019_mdio_remove(struct platform_device *pdev)
-+{
-+ struct mii_bus *bus = platform_get_drvdata(pdev);
-+
-+ mdiobus_unregister(bus);
-+
-+ return 0;
-+}
-+
-+static const struct of_device_id ipq4019_mdio_dt_ids[] = {
-+ { .compatible = "qcom,ipq4019-mdio" },
-+ { }
-+};
-+MODULE_DEVICE_TABLE(of, ipq4019_mdio_dt_ids);
-+
-+static struct platform_driver ipq4019_mdio_driver = {
-+ .probe = ipq4019_mdio_probe,
-+ .remove = ipq4019_mdio_remove,
-+ .driver = {
-+ .name = "ipq4019-mdio",
-+ .of_match_table = ipq4019_mdio_dt_ids,
-+ },
-+};
-+
-+module_platform_driver(ipq4019_mdio_driver);
-+
-+MODULE_DESCRIPTION("ipq4019 MDIO interface driver");
-+MODULE_AUTHOR("Qualcomm Atheros");
-+MODULE_LICENSE("Dual BSD/GPL");
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-30 08:59:33 +0000