forked from Minki/linux
97e04ea15f
The Pistachio platform code is not a clock provider, and just needs to call of_clk_init(). Hence it can include <linux/of_clk.h> instead of <linux/clk-provider.h>. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Stephen Boyd <sboyd@kernel.org> Acked-by: James Hartley <james.hartley@sondrel.com> Signed-off-by: Paul Burton <paulburton@kernel.org> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Florian Fainelli <f.fainelli@gmail.com> Cc: Paul Cercueil <paul@crapouillou.net> Cc: John Crispin <john@phrozen.org> Cc: linux-mips@vger.kernel.org Cc: bcm-kernel-feedback-list@broadcom.com Cc: linux-clk@vger.kernel.org Cc: linux-kernel@vger.kernel.org
56 lines
942 B
C
56 lines
942 B
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Pistachio clocksource/timer setup
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*
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* Copyright (C) 2014 Google, Inc.
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*/
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#include <linux/clk.h>
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#include <linux/clocksource.h>
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#include <linux/init.h>
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#include <linux/of.h>
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#include <linux/of_clk.h>
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#include <asm/mips-cps.h>
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#include <asm/time.h>
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unsigned int get_c0_compare_int(void)
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{
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return gic_get_c0_compare_int();
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}
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int get_c0_perfcount_int(void)
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{
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return gic_get_c0_perfcount_int();
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}
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EXPORT_SYMBOL_GPL(get_c0_perfcount_int);
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int get_c0_fdc_int(void)
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{
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return gic_get_c0_fdc_int();
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}
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void __init plat_time_init(void)
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{
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struct device_node *np;
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struct clk *clk;
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of_clk_init(NULL);
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timer_probe();
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np = of_get_cpu_node(0, NULL);
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if (!np) {
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pr_err("Failed to get CPU node\n");
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return;
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}
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clk = of_clk_get(np, 0);
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if (IS_ERR(clk)) {
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pr_err("Failed to get CPU clock: %ld\n", PTR_ERR(clk));
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return;
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}
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mips_hpt_frequency = clk_get_rate(clk) / 2;
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clk_put(clk);
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}
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