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soc: mediatek: mtk-dvfsrc: Get and Enable DVFSRC clock

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The DVFSRC has a clock on all platforms.

Get and enable it in the probe function, so that Linux's common clock
framework knows we're a user of it.

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Nicolas Frattaroli <nicolas.frattaroli@collabora.com>
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
This commit is contained in:
Nicolas Frattaroli 2025-11-24 12:06:58 +01:00 committed by AngeloGioacchino Del Regno
parent 75cf308fee
commit 39aa8c4e76
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1 changed files with 7 additions and 0 deletions
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7
drivers/soc/mediatek/mtk-dvfsrc.c
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@ -7,6 +7,7 @@
#include <linux/arm-smccc.h>
#include <linux/bitfield.h>
#include <linux/clk.h>
#include <linux/iopoll.h>
#include <linux/module.h>
#include <linux/of.h>
@ -83,6 +84,7 @@ struct dvfsrc_opp_desc {
struct dvfsrc_soc_data;
struct mtk_dvfsrc {
struct device *dev;
struct clk *clk;
struct platform_device *icc;
struct platform_device *regulator;
const struct dvfsrc_soc_data *dvd;
@ -650,6 +652,11 @@ static int mtk_dvfsrc_probe(struct platform_device *pdev)
if (IS_ERR(dvfsrc->regs))
return PTR_ERR(dvfsrc->regs);
dvfsrc->clk = devm_clk_get_enabled(&pdev->dev, NULL);
if (IS_ERR(dvfsrc->clk))
return dev_err_probe(&pdev->dev, PTR_ERR(dvfsrc->clk),
"Couldn't get and enable DVFSRC clock\n");
arm_smccc_smc(MTK_SIP_DVFSRC_VCOREFS_CONTROL, MTK_SIP_DVFSRC_INIT,
0, 0, 0, 0, 0, 0, &ares);
if (ares.a0)