1 files changed, 0 insertions, 147 deletions
diff --git a/drivers/clk/at91/clk-usb.c b/drivers/clk/at91/clk-usb.c
deleted file mode 100644
index af9d7243693..00000000000
--- a/drivers/clk/at91/clk-usb.c
+++ /dev/null
@@ -1,147 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Copyright (C) 2018 Microhip / Atmel Corporation
- *               Wenyou.Yang <wenyou.yang@microchip.com>
- */
-
-#include <common.h>
-#include <clk-uclass.h>
-#include <log.h>
-#include <dm/device.h>
-#include <linux/err.h>
-#include <linux/io.h>
-#include <mach/at91_pmc.h>
-#include "pmc.h"
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#define AT91_USB_CLK_SOURCE_MAX	2
-#define AT91_USB_CLK_MAX_DIV	15
-
-struct at91_usb_clk_priv {
-	u32 num_clksource;
-};
-
-static ulong at91_usb_clk_get_rate(struct clk *clk)
-{
-	struct pmc_platdata *plat = dev_get_platdata(clk->dev);
-	struct at91_pmc *pmc = plat->reg_base;
-	struct clk source;
-	u32 tmp, usbdiv;
-	u8 source_index;
-	int ret;
-
-	tmp = readl(&pmc->pcr);
-	source_index = (tmp >> AT91_PMC_USB_USBS_OFFSET) &
-			AT91_PMC_USB_USBS_MASK;
-	usbdiv = (tmp >> AT91_PMC_USB_DIV_OFFSET) & AT91_PMC_USB_DIV_MASK;
-
-	ret = clk_get_by_index(clk->dev, source_index, &source);
-	if (ret)
-		return 0;
-
-	return clk_get_rate(&source) / (usbdiv + 1);
-}
-
-static ulong at91_usb_clk_set_rate(struct clk *clk, ulong rate)
-{
-	struct pmc_platdata *plat = dev_get_platdata(clk->dev);
-	struct at91_pmc *pmc = plat->reg_base;
-	struct at91_usb_clk_priv *priv = dev_get_priv(clk->dev);
-	struct clk source, best_source;
-	ulong tmp_rate, best_rate = rate, source_rate;
-	int tmp_diff, best_diff = -1;
-	u32 div, best_div = 0;
-	u8 best_source_index = 0;
-	u8 i;
-	u32 tmp;
-	int ret;
-
-	for (i = 0; i < priv->num_clksource; i++) {
-		ret = clk_get_by_index(clk->dev, i, &source);
-		if (ret)
-			return ret;
-
-		source_rate = clk_get_rate(&source);
-		if (IS_ERR_VALUE(source_rate))
-			return source_rate;
-
-		for (div = 1; div < AT91_USB_CLK_MAX_DIV + 2; div++) {
-			tmp_rate = DIV_ROUND_CLOSEST(source_rate, div);
-			tmp_diff = abs(rate - tmp_rate);
-
-			if (best_diff < 0 || best_diff > tmp_diff) {
-				best_rate = tmp_rate;
-				best_diff = tmp_diff;
-
-				best_div = div - 1;
-				best_source = source;
-				best_source_index = i;
-			}
-
-			if (!best_diff || tmp_rate < rate)
-				break;
-		}
-
-		if (!best_diff)
-			break;
-	}
-
-	debug("AT91 USB: best sourc: %s, best_rate = %ld, best_div = %d\n",
-	      best_source.dev->name, best_rate, best_div);
-
-	ret = clk_enable(&best_source);
-	if (ret)
-		return ret;
-
-	tmp = AT91_PMC_USB_USBS_(best_source_index) |
-	      AT91_PMC_USB_DIV_(best_div);
-	writel(tmp, &pmc->usb);
-
-	return 0;
-}
-
-static struct clk_ops at91_usb_clk_ops = {
-	.get_rate = at91_usb_clk_get_rate,
-	.set_rate = at91_usb_clk_set_rate,
-};
-
-static int at91_usb_clk_ofdata_to_platdata(struct udevice *dev)
-{
-	struct at91_usb_clk_priv *priv = dev_get_priv(dev);
-	u32 cells[AT91_USB_CLK_SOURCE_MAX];
-	u32 num_clksource;
-
-	num_clksource = fdtdec_get_int_array_count(gd->fdt_blob,
-						   dev_of_offset(dev),
-						   "clocks", cells,
-						   AT91_USB_CLK_SOURCE_MAX);
-
-	if (!num_clksource)
-		return -1;
-
-	priv->num_clksource = num_clksource;
-
-	return 0;
-}
-
-static int at91_usb_clk_probe(struct udevice *dev)
-{
-	return at91_pmc_core_probe(dev);
-}
-
-static const struct udevice_id at91_usb_clk_match[] = {
-	{ .compatible = "atmel,at91sam9x5-clk-usb" },
-	{}
-};
-
-U_BOOT_DRIVER(at91_usb_clk) = {
-	.name = "at91-usb-clk",
-	.id = UCLASS_CLK,
-	.of_match = at91_usb_clk_match,
-	.probe = at91_usb_clk_probe,
-	.ofdata_to_platdata = at91_usb_clk_ofdata_to_platdata,
-	.priv_auto_alloc_size = sizeof(struct at91_usb_clk_priv),
-	.platdata_auto_alloc_size = sizeof(struct pmc_platdata),
-	.ops = &at91_usb_clk_ops,
-};