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Commit cfe76a28 authored by Linus Walleij's avatar Linus Walleij Committed by Stephen Boyd
Browse files

clk: versatile: delete old RealView clock implementation 



The old RealView clock implementation is not used anymore
(nothing in the kernel calls realview_clk_init()) as we have
moved all clocks over to device tree. Delete it.

Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: default avatarStephen Boyd <sboyd@codeaurora.org>
parent 3542976d

drivers/clk/versatile/Makefile

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# Makefile for Versatile-specific clocks

obj-$(CONFIG_ICST)		+= icst.o clk-icst.o clk-versatile.o

obj-$(CONFIG_INTEGRATOR_IMPD1)	+= clk-impd1.o

obj-$(CONFIG_ARCH_REALVIEW)	+= clk-realview.o

obj-$(CONFIG_CLK_SP810)		+= clk-sp810.o

obj-$(CONFIG_CLK_VEXPRESS_OSC)	+= clk-vexpress-osc.o

drivers/clk/versatile/clk-realview.c

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/*

 * Clock driver for the ARM RealView boards

 * Copyright (C) 2012 Linus Walleij

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 as

 * published by the Free Software Foundation.

 */

#include <linux/clkdev.h>

#include <linux/err.h>

#include <linux/io.h>

#include <linux/clk-provider.h>



#include "icst.h"

#include "clk-icst.h"



#define REALVIEW_SYS_OSC0_OFFSET             0x0C

#define REALVIEW_SYS_OSC1_OFFSET             0x10

#define REALVIEW_SYS_OSC2_OFFSET             0x14

#define REALVIEW_SYS_OSC3_OFFSET             0x18

#define REALVIEW_SYS_OSC4_OFFSET             0x1C	/* OSC1 for RealView/AB */

#define REALVIEW_SYS_LOCK_OFFSET             0x20



/*

 * Implementation of the ARM RealView clock trees.

 */



static const struct icst_params realview_oscvco_params = {

	.ref		= 24000000,

	.vco_max	= ICST307_VCO_MAX,

	.vco_min	= ICST307_VCO_MIN,

	.vd_min		= 4 + 8,

	.vd_max		= 511 + 8,

	.rd_min		= 1 + 2,

	.rd_max		= 127 + 2,

	.s2div		= icst307_s2div,

	.idx2s		= icst307_idx2s,

};



static const struct clk_icst_desc realview_osc0_desc __initconst = {

	.params = &realview_oscvco_params,

	.vco_offset = REALVIEW_SYS_OSC0_OFFSET,

	.lock_offset = REALVIEW_SYS_LOCK_OFFSET,

};



static const struct clk_icst_desc realview_osc4_desc __initconst = {

	.params = &realview_oscvco_params,

	.vco_offset = REALVIEW_SYS_OSC4_OFFSET,

	.lock_offset = REALVIEW_SYS_LOCK_OFFSET,

};



/*

 * realview_clk_init() - set up the RealView clock tree

 */

void __init realview_clk_init(void __iomem *sysbase, bool is_pb1176)

{

	struct clk *clk;



	/* APB clock dummy */

	clk = clk_register_fixed_rate(NULL, "apb_pclk", NULL, 0, 0);

	clk_register_clkdev(clk, "apb_pclk", NULL);



	/* 24 MHz clock */

	clk = clk_register_fixed_rate(NULL, "clk24mhz", NULL, 0, 24000000);

	clk_register_clkdev(clk, NULL, "dev:uart0");

	clk_register_clkdev(clk, NULL, "dev:uart1");

	clk_register_clkdev(clk, NULL, "dev:uart2");

	clk_register_clkdev(clk, NULL, "fpga:kmi0");

	clk_register_clkdev(clk, NULL, "fpga:kmi1");

	clk_register_clkdev(clk, NULL, "fpga:mmc0");

	clk_register_clkdev(clk, NULL, "dev:ssp0");

	if (is_pb1176) {

		/*

		 * UART3 is on the dev chip in PB1176

		 * UART4 only exists in PB1176

		 */

		clk_register_clkdev(clk, NULL, "dev:uart3");

		clk_register_clkdev(clk, NULL, "dev:uart4");

	} else

		clk_register_clkdev(clk, NULL, "fpga:uart3");





	/* 1 MHz clock */

	clk = clk_register_fixed_rate(NULL, "clk1mhz", NULL, 0, 1000000);

	clk_register_clkdev(clk, NULL, "sp804");



	/* ICST VCO clock */

	if (is_pb1176)

		clk = icst_clk_register(NULL, &realview_osc0_desc,

					"osc0", NULL, sysbase);

	else

		clk = icst_clk_register(NULL, &realview_osc4_desc,

					"osc4", NULL, sysbase);



	clk_register_clkdev(clk, NULL, "dev:clcd");

	clk_register_clkdev(clk, NULL, "issp:clcd");

}

include/linux/platform_data/clk-realview.h

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void realview_clk_init(void __iomem *sysbase, bool is_pb1176);