diff options
| author | Xiangsheng Hou <xiangsheng.hou@mediatek.com> | 2023-02-01 05:09:18 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2023-02-09 20:07:19 +0300 |
| commit | e40fa328551dd67d14e5dc3e4ed82b5b770f027f (patch) | |
| tree | 9b05a83ace295637fe2847ad00e2d11352f22f9c /drivers/spi | |
| parent | 2b1e19811a8ecc776d15da4ca89df48db6974d66 (diff) | |
| download | linux-e40fa328551dd67d14e5dc3e4ed82b5b770f027f.tar.xz | |
spi: mtk-snfi: Add optional nfi_hclk which is needed for MT7986
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>
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/spi-mtk-snfi.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/spi/spi-mtk-snfi.c b/drivers/spi/spi-mtk-snfi.c index 719fc6f53ab1..85644308df23 100644 --- a/drivers/spi/spi-mtk-snfi.c +++ b/drivers/spi/spi-mtk-snfi.c @@ -297,6 +297,7 @@ struct mtk_snand { struct device *dev; struct clk *nfi_clk; struct clk *pad_clk; + struct clk *nfi_hclk; void __iomem *nfi_base; int irq; 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"); 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; + +err2: + clk_disable_unprepare(ms->pad_clk); err1: clk_disable_unprepare(ms->nfi_clk); return ret; @@ -1347,6 +1357,7 @@ err1: 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->nfi_clk); } @@ -1401,6 +1412,13 @@ static int mtk_snand_probe(struct platform_device *pdev) 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); if (ret) goto release_ecc; |