mirror of
https://github.com/AsahiLinux/u-boot
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65e25bea59
In the spirit of using the same base name for all of these related macros, rename this to have the operation at the end. This is not widely used so the impact is fairly small. Signed-off-by: Simon Glass <sjg@chromium.org>
117 lines
2.1 KiB
C
117 lines
2.1 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright 2018 NXP
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* Peng Fan <peng.fan@nxp.com>
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*/
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#include <common.h>
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#include <clk-uclass.h>
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#include <dm.h>
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#include <log.h>
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#include <malloc.h>
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#include <asm/arch/sci/sci.h>
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#include <asm/arch/clock.h>
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#include <dt-bindings/clock/imx8qxp-clock.h>
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#include <dt-bindings/soc/imx_rsrc.h>
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#include <misc.h>
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#include "clk-imx8.h"
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__weak ulong imx8_clk_get_rate(struct clk *clk)
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{
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return 0;
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}
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__weak ulong imx8_clk_set_rate(struct clk *clk, unsigned long rate)
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{
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return 0;
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}
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__weak int __imx8_clk_enable(struct clk *clk, bool enable)
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{
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return -ENOTSUPP;
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}
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static int imx8_clk_disable(struct clk *clk)
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{
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return __imx8_clk_enable(clk, 0);
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}
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static int imx8_clk_enable(struct clk *clk)
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{
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return __imx8_clk_enable(clk, 1);
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}
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#if CONFIG_IS_ENABLED(CMD_CLK)
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int soc_clk_dump(void)
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{
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struct udevice *dev;
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struct clk clk;
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unsigned long rate;
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int i, ret;
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ret = uclass_get_device_by_driver(UCLASS_CLK,
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DM_DRIVER_GET(imx8_clk), &dev);
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if (ret)
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return ret;
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printf("Clk\t\tHz\n");
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for (i = 0; i < num_clks; i++) {
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clk.id = imx8_clk_names[i].id;
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ret = clk_request(dev, &clk);
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if (ret < 0) {
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debug("%s clk_request() failed: %d\n", __func__, ret);
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continue;
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}
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ret = clk_get_rate(&clk);
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rate = ret;
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clk_free(&clk);
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if (ret == -ENOTSUPP) {
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printf("clk ID %lu not supported yet\n",
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imx8_clk_names[i].id);
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continue;
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}
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if (ret < 0) {
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printf("%s %lu: get_rate err: %d\n",
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__func__, imx8_clk_names[i].id, ret);
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continue;
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}
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printf("%s(%3lu):\t%lu\n",
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imx8_clk_names[i].name, imx8_clk_names[i].id, rate);
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}
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return 0;
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}
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#endif
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static struct clk_ops imx8_clk_ops = {
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.set_rate = imx8_clk_set_rate,
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.get_rate = imx8_clk_get_rate,
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.enable = imx8_clk_enable,
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.disable = imx8_clk_disable,
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};
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static int imx8_clk_probe(struct udevice *dev)
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{
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return 0;
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}
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static const struct udevice_id imx8_clk_ids[] = {
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{ .compatible = "fsl,imx8qxp-clk" },
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{ .compatible = "fsl,imx8qm-clk" },
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{ },
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};
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U_BOOT_DRIVER(imx8_clk) = {
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.name = "clk_imx8",
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.id = UCLASS_CLK,
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.of_match = imx8_clk_ids,
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.ops = &imx8_clk_ops,
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.probe = imx8_clk_probe,
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.flags = DM_FLAG_PRE_RELOC,
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};
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