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spi: mtk-snfi: Add optional nfi_hclk which is needed for MT7986

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Add optional nfi_hclk which is needed for MT7986.

Signed-off-by: Xiangsheng Hou <xiangsheng.hou@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20230201020921.26712-3-xiangsheng.hou@mediatek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Xiangsheng Hou 2023-02-01 10:09:18 +08:00 committed by Mark Brown
parent 2b1e19811a
commit e40fa32855
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GPG Key ID: 24D68B725D5487D0
1 changed files with 18 additions and 0 deletions
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18
drivers/spi/spi-mtk-snfi.c
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@ -297,6 +297,7 @@ struct mtk_snand {
struct device *dev; struct device *dev;
struct clk *nfi_clk; struct clk *nfi_clk;
struct clk *pad_clk; struct clk *pad_clk;
struct clk *nfi_hclk;
void __iomem *nfi_base; void __iomem *nfi_base;
int irq; int irq;
struct completion op_done; struct completion op_done;
@ -1339,7 +1340,16 @@ static int mtk_snand_enable_clk(struct mtk_snand *ms)
dev_err(ms->dev, "unable to enable pad clk\n"); dev_err(ms->dev, "unable to enable pad clk\n");
goto err1; goto err1;
} }
ret = clk_prepare_enable(ms->nfi_hclk);
if (ret) {
dev_err(ms->dev, "unable to enable nfi hclk\n");
goto err2;
}
return 0; return 0;
err2:
clk_disable_unprepare(ms->pad_clk);
err1: err1:
clk_disable_unprepare(ms->nfi_clk); clk_disable_unprepare(ms->nfi_clk);
return ret; return ret;
@ -1347,6 +1357,7 @@ err1:
static void mtk_snand_disable_clk(struct mtk_snand *ms) static void mtk_snand_disable_clk(struct mtk_snand *ms)
{ {
clk_disable_unprepare(ms->nfi_hclk);
clk_disable_unprepare(ms->pad_clk); clk_disable_unprepare(ms->pad_clk);
clk_disable_unprepare(ms->nfi_clk); clk_disable_unprepare(ms->nfi_clk);
} }
@ -1401,6 +1412,13 @@ static int mtk_snand_probe(struct platform_device *pdev)
goto release_ecc; goto release_ecc;
} }
ms->nfi_hclk = devm_clk_get_optional(&pdev->dev, "nfi_hclk");
if (IS_ERR(ms->nfi_hclk)) {
ret = PTR_ERR(ms->nfi_hclk);
dev_err(&pdev->dev, "unable to get nfi_hclk, err = %d\n", ret);
goto release_ecc;
}
ret = mtk_snand_enable_clk(ms); ret = mtk_snand_enable_clk(ms);
if (ret) if (ret)
goto release_ecc; goto release_ecc;