On MT8196, some clock controllers use a separate regmap for hardware voting via set/clear/status registers. Add mtk_clk_get_hwv_regmap() to retrieve this optional regmap, avoiding duplicated lookup code in  mtk_clk_register_muxes() and mtk_clk_register_gate(). Reviewed-by: Nícolas F. R. A. Prado Reviewed-by: AngeloGioacchino Del Regno Signed-off-by: Laura Nao --- drivers/clk/mediatek/clk-mtk.c | 16 ++++++++++++++++ drivers/clk/mediatek/clk-mtk.h | 1 + 2 files changed, 17 insertions(+) diff --git a/drivers/clk/mediatek/clk-mtk.c b/drivers/clk/mediatek/clk-mtk.c index ba1d1c495bc2..19cd27941747 100644 --- a/drivers/clk/mediatek/clk-mtk.c +++ b/drivers/clk/mediatek/clk-mtk.c @@ -685,4 +685,20 @@ void mtk_clk_simple_remove(struct platform_device *pdev) } EXPORT_SYMBOL_GPL(mtk_clk_simple_remove); +struct regmap *mtk_clk_get_hwv_regmap(struct device_node *node) +{ + struct device_node *hwv_node; + struct regmap *regmap_hwv; + + hwv_node = of_parse_phandle(node, "mediatek,hardware-voter", 0); + if (!hwv_node) + return NULL; + + regmap_hwv = device_node_to_regmap(hwv_node); + of_node_put(hwv_node); + + return regmap_hwv; +} +EXPORT_SYMBOL_GPL(mtk_clk_get_hwv_regmap); + MODULE_LICENSE("GPL"); diff --git a/drivers/clk/mediatek/clk-mtk.h b/drivers/clk/mediatek/clk-mtk.h index 136a4bc6dbe6..8ed2c9208b1f 100644 --- a/drivers/clk/mediatek/clk-mtk.h +++ b/drivers/clk/mediatek/clk-mtk.h @@ -247,5 +247,6 @@ int mtk_clk_pdev_probe(struct platform_device *pdev); void mtk_clk_pdev_remove(struct platform_device *pdev); int mtk_clk_simple_probe(struct platform_device *pdev); void mtk_clk_simple_remove(struct platform_device *pdev); +struct regmap *mtk_clk_get_hwv_regmap(struct device_node *node); #endif /* __DRV_CLK_MTK_H */ -- 2.39.5