usb: renesas_usbhs: Add support for RZ/A2 (b69dce63) · Commits · 戴 / test

drivers/usb/renesas_usbhs/Makefile

+1 −1

Original line number	Diff line number	Diff line
		@@ -5,7 +5,7 @@

		obj-$(CONFIG_USB_RENESAS_USBHS) += renesas_usbhs.o

		renesas_usbhs-y := common.o mod.o pipe.o fifo.o rcar2.o rcar3.o rza.o
		renesas_usbhs-y := common.o mod.o pipe.o fifo.o rcar2.o rcar3.o rza.o rza2.o

		ifneq ($(CONFIG_USB_RENESAS_USBHS_HCD),)
		renesas_usbhs-y += mod_host.o

drivers/usb/renesas_usbhs/common.c

+15 −0

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		@@ -571,6 +571,17 @@ static const struct usbhs_of_data rza1_data = {
		}
		};

		static const struct usbhs_of_data rza2_data = {
		.platform_callback = &usbhs_rza2_ops,
		.param = {
		.type = USBHS_TYPE_RZA2,
		.has_cnen = 1,
		.cfifo_byte_addr = 1,
		.pipe_configs = usbhsc_new_pipe,
		.pipe_size = ARRAY_SIZE(usbhsc_new_pipe),
		}
		};

		/*
		* platform functions
		*/
		@@ -619,6 +630,10 @@ static const struct of_device_id usbhs_of_match[] = {
		.compatible = "renesas,rza1-usbhs",
		.data = &rza1_data,
		},
		{
		.compatible = "renesas,rza2-usbhs",
		.data = &rza2_data,
		},
		{ },
		};
		MODULE_DEVICE_TABLE(of, usbhs_of_match);

drivers/usb/renesas_usbhs/rza.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -2,3 +2,4 @@
		#include "common.h"

		extern const struct renesas_usbhs_platform_callback usbhs_rza1_ops;
		extern const struct renesas_usbhs_platform_callback usbhs_rza2_ops;

drivers/usb/renesas_usbhs/rza2.c

0 → 100644

+72 −0

Original line number	Diff line number	Diff line
		// SPDX-License-Identifier: GPL-2.0
		/*
		* Renesas USB driver RZ/A2 initialization and power control
		*
		* Copyright (C) 2019 Chris Brandt
		* Copyright (C) 2019 Renesas Electronics Corporation
		*/

		#include <linux/delay.h>
		#include <linux/io.h>
		#include <linux/of_device.h>
		#include <linux/phy/phy.h>
		#include "common.h"
		#include "rza.h"

		static int usbhs_rza2_hardware_init(struct platform_device *pdev)
		{
		struct usbhs_priv *priv = usbhs_pdev_to_priv(pdev);
		struct phy *phy = phy_get(&pdev->dev, "usb");

		if (IS_ERR(phy))
		return PTR_ERR(phy);

		priv->phy = phy;
		return 0;
		}

		static int usbhs_rza2_hardware_exit(struct platform_device *pdev)
		{
		struct usbhs_priv *priv = usbhs_pdev_to_priv(pdev);

		phy_put(priv->phy);
		priv->phy = NULL;

		return 0;
		}

		static int usbhs_rza2_power_ctrl(struct platform_device *pdev,
		void __iomem *base, int enable)
		{
		struct usbhs_priv *priv = usbhs_pdev_to_priv(pdev);
		int retval = 0;

		if (!priv->phy)
		return -ENODEV;

		if (enable) {
		retval = phy_init(priv->phy);
		usbhs_bset(priv, SUSPMODE, SUSPM, SUSPM);
		udelay(100); /* Wait for PLL to become stable */
		if (!retval)
		retval = phy_power_on(priv->phy);
		} else {
		usbhs_bset(priv, SUSPMODE, SUSPM, 0);
		phy_power_off(priv->phy);
		phy_exit(priv->phy);
		}

		return retval;
		}

		static int usbhs_rza2_get_id(struct platform_device *pdev)
		{
		return USBHS_GADGET;
		}

		const struct renesas_usbhs_platform_callback usbhs_rza2_ops = {
		.hardware_init = usbhs_rza2_hardware_init,
		.hardware_exit = usbhs_rza2_hardware_exit,
		.power_ctrl = usbhs_rza2_power_ctrl,
		.get_id = usbhs_rza2_get_id,
		};

include/linux/usb/renesas_usbhs.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -199,6 +199,7 @@ struct renesas_usbhs_driver_param {
		#define USBHS_TYPE_RCAR_GEN3 2
		#define USBHS_TYPE_RCAR_GEN3_WITH_PLL 3
		#define USBHS_TYPE_RZA1 4
		#define USBHS_TYPE_RZA2 5

		/*
		* option:

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