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Commit 177f86fb authored by David Collins's avatar David Collins
Browse files

clk: qcom: clk-spmi-pmic-div: add support for clock-output-names 



Some boards utilize several PMICs which contain clock divider
peripherals.  Add support for the clock-output-names property
so that unique names can be specified for each divider clock.
If clock-output-names is not specified, then the clock names
will be div_clkN where N=1 to qcom,num-clkdivs.

Change-Id: I66b5fcd0a3890886fe1e8cd85b15ada8a55ecb0f
Signed-off-by: default avatarDavid Collins <collinsd@codeaurora.org>
parent c9ad2d07

drivers/clk/qcom/clk-spmi-pmic-div.c

+16 −2
Original line number Diff line number Diff line 
/* Copyright (c) 2017, The Linux Foundation. All rights reserved.

/* Copyright (c) 2017-2018, The Linux Foundation. All rights reserved.

 *

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

 * it under the terms of the GNU General Public License version 2 and
@@ -212,6 +212,7 @@ static int spmi_pmic_clkdiv_probe(struct platform_device *pdev) 
	struct regmap *regmap;

	struct device *dev = &pdev->dev;

	struct device_node *of_node = dev->of_node;

	bool use_dt_name = false;

	const char *parent_name;

	int nclks, i, ret, cxo_hz;

	char name[20];
@@ -261,13 +262,26 @@ static int spmi_pmic_clkdiv_probe(struct platform_device *pdev) 
		return -ENODEV;

	}



	if (of_find_property(of_node, "clock-output-names", NULL))

		use_dt_name = true;



	init.name = name;

	init.parent_names = &parent_name;

	init.num_parents = 1;

	init.ops = &clk_spmi_pmic_div_ops;



	for (i = 0, clkdiv = cc->clks; i < nclks; i++) {

		if (use_dt_name) {

			ret = of_property_read_string_index(of_node,

				"clock-output-names", i, &init.name);

			if (ret) {

				dev_err(dev, "could not read clock-output-names %d, ret=%d\n",

					i, ret);

				return ret;

			}

		} else {

			snprintf(name, sizeof(name), "div_clk%d", i + 1);

		}



		spin_lock_init(&clkdiv[i].lock);

		clkdiv[i].base = start + i * 0x100;