diff options
Diffstat (limited to 'drivers/memory/atmel-sdramc.c')
| -rw-r--r-- | drivers/memory/atmel-sdramc.c | 74 | 
1 files changed, 0 insertions, 74 deletions
diff --git a/drivers/memory/atmel-sdramc.c b/drivers/memory/atmel-sdramc.c deleted file mode 100644 index ea6e9e1eaf04..000000000000 --- a/drivers/memory/atmel-sdramc.c +++ /dev/null @@ -1,74 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Atmel (Multi-port DDR-)SDRAM Controller driver - * - * Author: Alexandre Belloni <alexandre.belloni@free-electrons.com> - * - * Copyright (C) 2014 Atmel - */ - -#include <linux/clk.h> -#include <linux/err.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/of_platform.h> -#include <linux/platform_device.h> - -struct at91_ramc_caps { -	bool has_ddrck; -	bool has_mpddr_clk; -}; - -static const struct at91_ramc_caps at91rm9200_caps = { }; - -static const struct at91_ramc_caps at91sam9g45_caps = { -	.has_ddrck = 1, -	.has_mpddr_clk = 0, -}; - -static const struct at91_ramc_caps sama5d3_caps = { -	.has_ddrck = 1, -	.has_mpddr_clk = 1, -}; - -static const struct of_device_id atmel_ramc_of_match[] = { -	{ .compatible = "atmel,at91rm9200-sdramc", .data = &at91rm9200_caps, }, -	{ .compatible = "atmel,at91sam9260-sdramc", .data = &at91rm9200_caps, }, -	{ .compatible = "atmel,at91sam9g45-ddramc", .data = &at91sam9g45_caps, }, -	{ .compatible = "atmel,sama5d3-ddramc", .data = &sama5d3_caps, }, -	{}, -}; - -static int atmel_ramc_probe(struct platform_device *pdev) -{ -	const struct at91_ramc_caps *caps; -	struct clk *clk; - -	caps = of_device_get_match_data(&pdev->dev); - -	if (caps->has_ddrck) { -		clk = devm_clk_get_enabled(&pdev->dev, "ddrck"); -		if (IS_ERR(clk)) -			return PTR_ERR(clk); -	} - -	if (caps->has_mpddr_clk) { -		clk = devm_clk_get_enabled(&pdev->dev, "mpddr"); -		if (IS_ERR(clk)) { -			pr_err("AT91 RAMC: couldn't get mpddr clock\n"); -			return PTR_ERR(clk); -		} -	} - -	return 0; -} - -static struct platform_driver atmel_ramc_driver = { -	.probe		= atmel_ramc_probe, -	.driver		= { -		.name	= "atmel-ramc", -		.of_match_table = atmel_ramc_of_match, -	}, -}; - -builtin_platform_driver(atmel_ramc_driver);  | 
