diff options
| author | Chun-Jie Chen <chun-jie.chen@mediatek.com> | 2021-07-26 12:57:06 +0200 |
|---|---|---|
| committer | Stephen Boyd <sboyd@kernel.org> | 2021-07-27 19:53:07 +0200 |
| commit | c58cd0e40ffac67961b945793876b973728f9b80 (patch) | |
| tree | d0fd77ee562ffcf8febeb85c490f48b458853eb3 | |
| parent | clk: mediatek: Add configurable enable control to mtk_pll_data (diff) | |
| download | linux-c58cd0e40ffac67961b945793876b973728f9b80.tar.xz linux-c58cd0e40ffac67961b945793876b973728f9b80.zip | |
clk: mediatek: Add mtk_clk_simple_probe() to simplify clock providers
Most of subsystem clock providers only need to register clock gates
in their probe() function.
To reduce the duplicated code by add a generic function.
Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com>
Signed-off-by: Chun-Jie Chen <chun-jie.chen@mediatek.com>
Link: https://lore.kernel.org/r/20210726105719.15793-9-chun-jie.chen@mediatek.com
Reviewed-by: Ikjoon Jang <ikjn@chromium.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
| -rw-r--r-- | drivers/clk/mediatek/clk-mtk.c | 23 | ||||
| -rw-r--r-- | drivers/clk/mediatek/clk-mtk.h | 8 |
2 files changed, 31 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/clk-mtk.c b/drivers/clk/mediatek/clk-mtk.c index 37d2aa32175e..4b6096c44d74 100644 --- a/drivers/clk/mediatek/clk-mtk.c +++ b/drivers/clk/mediatek/clk-mtk.c @@ -13,6 +13,7 @@ #include <linux/clkdev.h> #include <linux/mfd/syscon.h> #include <linux/device.h> +#include <linux/of_device.h> #include "clk-mtk.h" #include "clk-gate.h" @@ -286,3 +287,25 @@ void mtk_clk_register_dividers(const struct mtk_clk_divider *mcds, clk_data->clks[mcd->id] = clk; } } + +int mtk_clk_simple_probe(struct platform_device *pdev) +{ + const struct mtk_clk_desc *mcd; + struct clk_onecell_data *clk_data; + struct device_node *node = pdev->dev.of_node; + int r; + + mcd = of_device_get_match_data(&pdev->dev); + if (!mcd) + return -EINVAL; + + clk_data = mtk_alloc_clk_data(mcd->num_clks); + if (!clk_data) + return -ENOMEM; + + r = mtk_clk_register_gates(node, mcd->clks, mcd->num_clks, clk_data); + if (r) + return r; + + return of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); +} diff --git a/drivers/clk/mediatek/clk-mtk.h b/drivers/clk/mediatek/clk-mtk.h index 31c7cb304508..7de41c3b3206 100644 --- a/drivers/clk/mediatek/clk-mtk.h +++ b/drivers/clk/mediatek/clk-mtk.h @@ -10,6 +10,7 @@ #include <linux/regmap.h> #include <linux/bitops.h> #include <linux/clk-provider.h> +#include <linux/platform_device.h> struct clk; struct clk_onecell_data; @@ -250,4 +251,11 @@ void mtk_register_reset_controller(struct device_node *np, void mtk_register_reset_controller_set_clr(struct device_node *np, unsigned int num_regs, int regofs); +struct mtk_clk_desc { + const struct mtk_gate *clks; + size_t num_clks; +}; + +int mtk_clk_simple_probe(struct platform_device *pdev); + #endif /* __DRV_CLK_MTK_H */ |