clk-mstp.c (cdd5b5a9761fd66d17586e4f4ba6588c70e640ea) clk-mstp.c (4ae2c995c4339959ef04eb9afbbda1966299e5d6)
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * R-Car MSTP clocks
4 *
5 * Copyright (C) 2013 Ideas On Board SPRL
6 * Copyright (C) 2015 Glider bvba
7 *
8 * Contact: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
9 */
10
11#include <linux/clk.h>
12#include <linux/clk-provider.h>
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * R-Car MSTP clocks
4 *
5 * Copyright (C) 2013 Ideas On Board SPRL
6 * Copyright (C) 2015 Glider bvba
7 *
8 * Contact: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
9 */
10
11#include <linux/clk.h>
12#include <linux/clk-provider.h>
13#include <linux/clkdev.h>
14#include <linux/clk/renesas.h>
15#include <linux/device.h>
16#include <linux/io.h>
17#include <linux/iopoll.h>
18#include <linux/of.h>
19#include <linux/of_address.h>
20#include <linux/pm_clock.h>
21#include <linux/pm_domain.h>
13#include <linux/clk/renesas.h>
14#include <linux/device.h>
15#include <linux/io.h>
16#include <linux/iopoll.h>
17#include <linux/of.h>
18#include <linux/of_address.h>
19#include <linux/pm_clock.h>
20#include <linux/pm_domain.h>
21#include <linux/slab.h>
22#include <linux/spinlock.h>
23
24/*
25 * MSTP clocks. We can't use standard gate clocks as we need to poll on the
26 * status register when enabling the clock.
27 */
28
29#define MSTP_MAX_CLOCKS 32

--- 202 unchanged lines hidden (view full) ---

232 if (clkidx >= MSTP_MAX_CLOCKS) {
233 pr_err("%s: invalid clock %pOFn %s index %u\n",
234 __func__, np, name, clkidx);
235 continue;
236 }
237
238 clks[clkidx] = cpg_mstp_clock_register(name, parent_name,
239 clkidx, group);
22#include <linux/spinlock.h>
23
24/*
25 * MSTP clocks. We can't use standard gate clocks as we need to poll on the
26 * status register when enabling the clock.
27 */
28
29#define MSTP_MAX_CLOCKS 32

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232 if (clkidx >= MSTP_MAX_CLOCKS) {
233 pr_err("%s: invalid clock %pOFn %s index %u\n",
234 __func__, np, name, clkidx);
235 continue;
236 }
237
238 clks[clkidx] = cpg_mstp_clock_register(name, parent_name,
239 clkidx, group);
240 if (!IS_ERR(clks[clkidx])) {
240 if (!IS_ERR(clks[clkidx]))
241 group->data.clk_num = max(group->data.clk_num,
242 clkidx + 1);
241 group->data.clk_num = max(group->data.clk_num,
242 clkidx + 1);
243 /*
244 * Register a clkdev to let board code retrieve the
245 * clock by name and register aliases for non-DT
246 * devices.
247 *
248 * FIXME: Remove this when all devices that require a
249 * clock will be instantiated from DT.
250 */
251 clk_register_clkdev(clks[clkidx], name, NULL);
252 } else {
243 else
253 pr_err("%s: failed to register %pOFn %s clock (%ld)\n",
254 __func__, np, name, PTR_ERR(clks[clkidx]));
244 pr_err("%s: failed to register %pOFn %s clock (%ld)\n",
245 __func__, np, name, PTR_ERR(clks[clkidx]));
255 }
256 }
257
258 of_clk_add_provider(np, of_clk_src_onecell_get, &group->data);
259}
260CLK_OF_DECLARE(cpg_mstp_clks, "renesas,cpg-mstp-clocks", cpg_mstp_clocks_init);
261
262int cpg_mstp_attach_dev(struct generic_pm_domain *unused, struct device *dev)
263{

--- 75 unchanged lines hidden --- 		246 }
247
248 of_clk_add_provider(np, of_clk_src_onecell_get, &group->data);
249}
250CLK_OF_DECLARE(cpg_mstp_clks, "renesas,cpg-mstp-clocks", cpg_mstp_clocks_init);
251
252int cpg_mstp_attach_dev(struct generic_pm_domain *unused, struct device *dev)
253{

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