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/*
* DRA7 Clock init
*
* Copyright (C) 2013 Texas Instruments, Inc.
*
* Tero Kristo (t-kristo@ti.com)
*
* 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/kernel.h>
#include <linux/list.h>
#include <linux/clk.h>
#include <linux/clkdev.h>
#include <linux/clk/ti.h>
#include "clock.h"
#define DRA7_DPLL_GMAC_DEFFREQ 1000000000
#define DRA7_DPLL_USB_DEFFREQ 960000000
static struct ti_dt_clk dra7xx_clks[] = {
DT_CLK(NULL, "timer_32k_ck", "sys_32k_ck"),
DT_CLK(NULL, "sys_clkin_ck", "timer_sys_clk_div"),
DT_CLK(NULL, "sys_clkin", "sys_clkin1"),
{ .node_name = NULL },
};
int __init dra7xx_dt_clk_init(void)
{
int rc;
struct clk *dpll_ck, *hdcp_ck;
ti_dt_clocks_register(dra7xx_clks);
omap2_clk_disable_autoidle_all();
ti_clk_add_aliases();
dpll_ck = clk_get_sys(NULL, "dpll_gmac_ck");
rc = clk_set_rate(dpll_ck, DRA7_DPLL_GMAC_DEFFREQ);
if (rc)
pr_err("%s: failed to configure GMAC DPLL!\n", __func__);
dpll_ck = clk_get_sys(NULL, "dpll_usb_ck");
rc = clk_set_rate(dpll_ck, DRA7_DPLL_USB_DEFFREQ);
if (rc)
pr_err("%s: failed to configure USB DPLL!\n", __func__);
dpll_ck = clk_get_sys(NULL, "dpll_usb_m2_ck");
rc = clk_set_rate(dpll_ck, DRA7_DPLL_USB_DEFFREQ/2);
if (rc)
pr_err("%s: failed to set USB_DPLL M2 OUT\n", __func__);
hdcp_ck = clk_get_sys(NULL, "dss_deshdcp_clk");
rc = clk_prepare_enable(hdcp_ck);
if (rc)
pr_err("%s: failed to set dss_deshdcp_clk\n", __func__);
return rc;
}
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