sunxi: usb: Rename the usbc.? files to usb_phy.?

The usbc.? files now only contain usb-phy related code, rename them to make
this clear.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>

1 files changed, 0 insertions, 278 deletions

diff --git a/arch/arm/cpu/armv7/sunxi/usbc.c b/arch/arm/cpu/armv7/sunxi/usbc.c
deleted file mode 100644
index 71817c192a..0000000000
--- a/arch/arm/cpu/armv7/sunxi/usbc.c
+++ /dev/null
@@ -1,278 +0,0 @@
-/*
- * Sunxi usb-phy code
- *
- * Copyright (C) 2015 Hans de Goede <hdegoede@redhat.com>
- * Copyright (C) 2014 Roman Byshko <rbyshko@gmail.com>
- *
- * Based on code from
- * Allwinner Technology Co., Ltd. <www.allwinnertech.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/arch/clock.h>
-#include <asm/arch/cpu.h>
-#include <asm/arch/usbc.h>
-#include <asm/gpio.h>
-#include <asm/io.h>
-#include <errno.h>
-#ifdef CONFIG_AXP152_POWER
-#include <axp152.h>
-#endif
-#ifdef CONFIG_AXP209_POWER
-#include <axp209.h>
-#endif
-#ifdef CONFIG_AXP221_POWER
-#include <axp221.h>
-#endif
-
-#define SUNXI_USB_PMU_IRQ_ENABLE	0x800
-#ifdef CONFIG_MACH_SUN8I_A33
-#define SUNXI_USB_CSR			0x410
-#else
-#define SUNXI_USB_CSR			0x404
-#endif
-#define SUNXI_USB_PASSBY_EN		1
-
-#define SUNXI_EHCI_AHB_ICHR8_EN		(1 << 10)
-#define SUNXI_EHCI_AHB_INCR4_BURST_EN	(1 << 9)
-#define SUNXI_EHCI_AHB_INCRX_ALIGN_EN	(1 << 8)
-#define SUNXI_EHCI_ULPI_BYPASS_EN	(1 << 0)
-
-static struct sunxi_usb_phy {
-	int usb_rst_mask;
-	int gpio_vbus;
-	int gpio_vbus_det;
-	int id;
-} sunxi_usb_phy[] = {
-	{
-		.usb_rst_mask = CCM_USB_CTRL_PHY0_RST | CCM_USB_CTRL_PHY0_CLK,
-		.id = 0,
-	},
-	{
-		.usb_rst_mask = CCM_USB_CTRL_PHY1_RST | CCM_USB_CTRL_PHY1_CLK,
-		.id = 1,
-	},
-#if (CONFIG_USB_MAX_CONTROLLER_COUNT > 1)
-	{
-		.usb_rst_mask = CCM_USB_CTRL_PHY2_RST | CCM_USB_CTRL_PHY2_CLK,
-		.id = 2,
-	}
-#endif
-};
-
-static int sunxi_usb_phy_enabled_count;
-
-static int get_vbus_gpio(int index)
-{
-	switch (index) {
-	case 0: return sunxi_name_to_gpio(CONFIG_USB0_VBUS_PIN);
-	case 1: return sunxi_name_to_gpio(CONFIG_USB1_VBUS_PIN);
-	case 2: return sunxi_name_to_gpio(CONFIG_USB2_VBUS_PIN);
-	}
-	return -EINVAL;
-}
-
-static int get_vbus_detect_gpio(int index)
-{
-	switch (index) {
-	case 0: return sunxi_name_to_gpio(CONFIG_USB0_VBUS_DET);
-	}
-	return -EINVAL;
-}
-
-static void usb_phy_write(struct sunxi_usb_phy *phy, int addr,
-			  int data, int len)
-{
-	int j = 0, usbc_bit = 0;
-	void *dest = (void *)SUNXI_USB0_BASE + SUNXI_USB_CSR;
-
-#ifdef CONFIG_MACH_SUN8I_A33
-	/* CSR needs to be explicitly initialized to 0 on A33 */
-	writel(0, dest);
-#endif
-
-	usbc_bit = 1 << (phy->id * 2);
-	for (j = 0; j < len; j++) {
-		/* set the bit address to be written */
-		clrbits_le32(dest, 0xff << 8);
-		setbits_le32(dest, (addr + j) << 8);
-
-		clrbits_le32(dest, usbc_bit);
-		/* set data bit */
-		if (data & 0x1)
-			setbits_le32(dest, 1 << 7);
-		else
-			clrbits_le32(dest, 1 << 7);
-
-		setbits_le32(dest, usbc_bit);
-
-		clrbits_le32(dest, usbc_bit);
-
-		data >>= 1;
-	}
-}
-
-static void sunxi_usb_phy_config(struct sunxi_usb_phy *phy)
-{
-	/* The following comments are machine
-	 * translated from Chinese, you have been warned!
-	 */
-
-	/* Regulation 45 ohms */
-	if (phy->id == 0)
-		usb_phy_write(phy, 0x0c, 0x01, 1);
-
-	/* adjust PHY's magnitude and rate */
-	usb_phy_write(phy, 0x20, 0x14, 5);
-
-	/* threshold adjustment disconnect */
-#if defined CONFIG_MACH_SUN4I || defined CONFIG_MACH_SUN6I
-	usb_phy_write(phy, 0x2a, 3, 2);
-#else
-	usb_phy_write(phy, 0x2a, 2, 2);
-#endif
-
-	return;
-}
-
-static void sunxi_usb_phy_passby(int index, int enable)
-{
-	unsigned long bits = 0;
-	void *addr;
-
-	if (index == 1)
-		addr = (void *)SUNXI_USB1_BASE + SUNXI_USB_PMU_IRQ_ENABLE;
-	else
-		addr = (void *)SUNXI_USB2_BASE + SUNXI_USB_PMU_IRQ_ENABLE;
-
-	bits = SUNXI_EHCI_AHB_ICHR8_EN |
-		SUNXI_EHCI_AHB_INCR4_BURST_EN |
-		SUNXI_EHCI_AHB_INCRX_ALIGN_EN |
-		SUNXI_EHCI_ULPI_BYPASS_EN;
-
-	if (enable)
-		setbits_le32(addr, bits);
-	else
-		clrbits_le32(addr, bits);
-
-	return;
-}
-
-void sunxi_usb_phy_enable_squelch_detect(int index, int enable)
-{
-	struct sunxi_usb_phy *phy = &sunxi_usb_phy[index];
-
-	usb_phy_write(phy, 0x3c, enable ? 0 : 2, 2);
-}
-
-int sunxi_usb_phy_probe(int index)
-{
-	struct sunxi_usb_phy *phy = &sunxi_usb_phy[index];
-	int ret = 0;
-
-	phy->gpio_vbus = get_vbus_gpio(index);
-	if (phy->gpio_vbus >= 0) {
-		ret |= gpio_request(phy->gpio_vbus, "usbc_vbus");
-		ret |= gpio_direction_output(phy->gpio_vbus, 0);
-	}
-
-	phy->gpio_vbus_det = get_vbus_detect_gpio(index);
-	if (phy->gpio_vbus_det >= 0) {
-		ret |= gpio_request(phy->gpio_vbus_det, "usbc_vbus_det");
-		ret |= gpio_direction_input(phy->gpio_vbus_det);
-	}
-
-	return ret;
-}
-
-int sunxi_usb_phy_remove(int index)
-{
-	struct sunxi_usb_phy *phy = &sunxi_usb_phy[index];
-	int ret = 0;
-
-	if (phy->gpio_vbus >= 0)
-		ret |= gpio_free(phy->gpio_vbus);
-
-	if (phy->gpio_vbus_det >= 0)
-		ret |= gpio_free(phy->gpio_vbus_det);
-
-	return ret;
-}
-
-void sunxi_usb_phy_init(int index)
-{
-	struct sunxi_usb_phy *phy = &sunxi_usb_phy[index];
-	struct sunxi_ccm_reg *ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
-
-	/* enable common PHY only once */
-	if (sunxi_usb_phy_enabled_count == 0)
-		setbits_le32(&ccm->usb_clk_cfg, CCM_USB_CTRL_PHYGATE);
-
-	setbits_le32(&ccm->usb_clk_cfg, phy->usb_rst_mask);
-
-	sunxi_usb_phy_config(phy);
-
-	if (phy->id != 0)
-		sunxi_usb_phy_passby(index, SUNXI_USB_PASSBY_EN);
-
-	sunxi_usb_phy_enabled_count++;
-}
-
-void sunxi_usb_phy_exit(int index)
-{
-	struct sunxi_usb_phy *phy = &sunxi_usb_phy[index];
-	struct sunxi_ccm_reg *ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
-
-	if (phy->id != 0)
-		sunxi_usb_phy_passby(index, !SUNXI_USB_PASSBY_EN);
-
-	clrbits_le32(&ccm->usb_clk_cfg, phy->usb_rst_mask);
-
-	/* disable common PHY only once, for the last enabled phy */
-	if (sunxi_usb_phy_enabled_count == 1)
-		clrbits_le32(&ccm->usb_clk_cfg, CCM_USB_CTRL_PHYGATE);
-
-	sunxi_usb_phy_enabled_count--;
-}
-
-void sunxi_usb_phy_power_on(int index)
-{
-	struct sunxi_usb_phy *phy = &sunxi_usb_phy[index];
-
-	if (phy->gpio_vbus >= 0)
-		gpio_set_value(phy->gpio_vbus, 1);
-}
-
-void sunxi_usb_phy_power_off(int index)
-{
-	struct sunxi_usb_phy *phy = &sunxi_usb_phy[index];
-
-	if (phy->gpio_vbus >= 0)
-		gpio_set_value(phy->gpio_vbus, 0);
-}
-
-int sunxi_usb_phy_vbus_detect(int index)
-{
-	struct sunxi_usb_phy *phy = &sunxi_usb_phy[index];
-	int err, retries = 3;
-
-	if (phy->gpio_vbus_det < 0) {
-		eprintf("Error: invalid vbus detection pin\n");
-		return phy->gpio_vbus_det;
-	}
-
-	err = gpio_get_value(phy->gpio_vbus_det);
-	/*
-	 * Vbus may have been provided by the board and just been turned of
-	 * some milliseconds ago on reset, what we're measuring then is a
-	 * residual charge on Vbus, sleep a bit and try again.
-	 */
-	while (err > 0 && retries--) {
-		mdelay(100);
-		err = gpio_get_value(phy->gpio_vbus_det);
-	}
-
-	return err;
-}