diff options
| author | Konrad Dybcio <konrad.dybcio@linaro.org> | 2023-05-17 18:40:39 +0200 |
|---|---|---|
| committer | Bjorn Andersson <andersson@kernel.org> | 2023-05-27 03:22:58 +0200 |
| commit | a0e0ec7424c99a0459b44fbf0459de9728be37ab (patch) | |
| tree | 711117c831d2621c6e94d7946c079ac600a7f75b /drivers/clk | |
| parent | Merge branch 'sm8450-sm8550-gpucc-binding' into clk-for-6.5 (diff) | |
| download | linux-a0e0ec7424c99a0459b44fbf0459de9728be37ab.tar.xz linux-a0e0ec7424c99a0459b44fbf0459de9728be37ab.zip | |
clk: qcom: rcg2: Make hw_clk_ctrl toggleable
Certain SoCs use the HW_CLK_CTRL feature on some of the clocks they
host. This allows the clocks to be turned on automatically when a
downstream branch tries to change rate or config.
Make it togglable so that we can utilize this.
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230517-topic-waipio-gpucc-v1-2-4f40e282af1d@linaro.org
Diffstat (limited to 'drivers/clk')
| -rw-r--r-- | drivers/clk/qcom/clk-rcg.h | 2 | ||||
| -rw-r--r-- | drivers/clk/qcom/clk-rcg2.c | 2 |
2 files changed, 4 insertions, 0 deletions
diff --git a/drivers/clk/qcom/clk-rcg.h b/drivers/clk/qcom/clk-rcg.h index 01581f4d2c39..e6d84c8c7989 100644 --- a/drivers/clk/qcom/clk-rcg.h +++ b/drivers/clk/qcom/clk-rcg.h @@ -141,6 +141,7 @@ extern const struct clk_ops clk_dyn_rcg_ops; * @clkr: regmap clock handle * @cfg_off: defines the cfg register offset from the CMD_RCGR + CFG_REG * @parked_cfg: cached value of the CFG register for parked RCGs + * @hw_clk_ctrl: whether to enable hardware clock control */ struct clk_rcg2 { u32 cmd_rcgr; @@ -152,6 +153,7 @@ struct clk_rcg2 { struct clk_regmap clkr; u8 cfg_off; u32 parked_cfg; + bool hw_clk_ctrl; }; #define to_clk_rcg2(_hw) container_of(to_clk_regmap(_hw), struct clk_rcg2, clkr) diff --git a/drivers/clk/qcom/clk-rcg2.c b/drivers/clk/qcom/clk-rcg2.c index 76551534f10d..e22baf3a7112 100644 --- a/drivers/clk/qcom/clk-rcg2.c +++ b/drivers/clk/qcom/clk-rcg2.c @@ -325,6 +325,8 @@ static int __clk_rcg2_configure(struct clk_rcg2 *rcg, const struct freq_tbl *f, cfg |= rcg->parent_map[index].cfg << CFG_SRC_SEL_SHIFT; if (rcg->mnd_width && f->n && (f->m != f->n)) cfg |= CFG_MODE_DUAL_EDGE; + if (rcg->hw_clk_ctrl) + cfg |= CFG_HW_CLK_CTRL_MASK; *_cfg &= ~mask; *_cfg |= cfg; |