Re: [PATCH 3/7] clk: qcom: clk-alpha-pll: Add support for controlling Taycan PLLs

From: Bjorn Andersson
Date: Tue Oct 22 2024 - 23:48:31 EST


On Mon, Oct 21, 2024 at 04:03:55PM GMT, Melody Olvera wrote:
> From: Taniya Das <quic_tdas@xxxxxxxxxxx>
>
> Update the clock ops for Taycan PLL, add the register offsets for
> supporting the PLL.

Subject and patch says "Add" so why does it say "Update" here?

>
> Signed-off-by: Taniya Das <quic_tdas@xxxxxxxxxxx>
> Signed-off-by: Melody Olvera <quic_molvera@xxxxxxxxxxx>
> ---
> drivers/clk/qcom/clk-alpha-pll.c | 14 ++++++++++++++
> drivers/clk/qcom/clk-alpha-pll.h | 7 +++++++
> 2 files changed, 21 insertions(+)
>
> diff --git a/drivers/clk/qcom/clk-alpha-pll.c b/drivers/clk/qcom/clk-alpha-pll.c
> index be9bee6ab65f..57a15ac7b052 100644
> --- a/drivers/clk/qcom/clk-alpha-pll.c
> +++ b/drivers/clk/qcom/clk-alpha-pll.c
> @@ -267,6 +267,20 @@ const u8 clk_alpha_pll_regs[][PLL_OFF_MAX_REGS] = {
> [PLL_OFF_OPMODE] = 0x30,
> [PLL_OFF_STATUS] = 0x3c,
> },
> + [CLK_ALPHA_PLL_TYPE_TAYCAN_ELU] = {

The other entries in this array are following the order of the enum, how
come this is different?

Regards,
Bjorn

> + [PLL_OFF_OPMODE] = 0x04,
> + [PLL_OFF_STATE] = 0x08,
> + [PLL_OFF_STATUS] = 0x0c,
> + [PLL_OFF_L_VAL] = 0x10,
> + [PLL_OFF_ALPHA_VAL] = 0x14,
> + [PLL_OFF_USER_CTL] = 0x18,
> + [PLL_OFF_USER_CTL_U] = 0x1c,
> + [PLL_OFF_CONFIG_CTL] = 0x20,
> + [PLL_OFF_CONFIG_CTL_U] = 0x24,
> + [PLL_OFF_CONFIG_CTL_U1] = 0x28,
> + [PLL_OFF_TEST_CTL] = 0x2c,
> + [PLL_OFF_TEST_CTL_U] = 0x30,
> + },
> };
> EXPORT_SYMBOL_GPL(clk_alpha_pll_regs);
>
> diff --git a/drivers/clk/qcom/clk-alpha-pll.h b/drivers/clk/qcom/clk-alpha-pll.h
> index 55eca04b23a1..5ba06d9ba77e 100644
> --- a/drivers/clk/qcom/clk-alpha-pll.h
> +++ b/drivers/clk/qcom/clk-alpha-pll.h
> @@ -27,6 +27,7 @@ enum {
> CLK_ALPHA_PLL_TYPE_ZONDA_OLE,
> CLK_ALPHA_PLL_TYPE_LUCID_EVO,
> CLK_ALPHA_PLL_TYPE_LUCID_OLE,
> + CLK_ALPHA_PLL_TYPE_TAYCAN_ELU,
> CLK_ALPHA_PLL_TYPE_RIVIAN_EVO,
> CLK_ALPHA_PLL_TYPE_DEFAULT_EVO,
> CLK_ALPHA_PLL_TYPE_BRAMMO_EVO,
> @@ -184,12 +185,15 @@ extern const struct clk_ops clk_alpha_pll_zonda_ops;
> #define clk_alpha_pll_zonda_ole_ops clk_alpha_pll_zonda_ops
>
> extern const struct clk_ops clk_alpha_pll_lucid_evo_ops;
> +#define clk_alpha_pll_taycan_elu_ops clk_alpha_pll_lucid_evo_ops
> extern const struct clk_ops clk_alpha_pll_reset_lucid_evo_ops;
> #define clk_alpha_pll_reset_lucid_ole_ops clk_alpha_pll_reset_lucid_evo_ops
> extern const struct clk_ops clk_alpha_pll_fixed_lucid_evo_ops;
> #define clk_alpha_pll_fixed_lucid_ole_ops clk_alpha_pll_fixed_lucid_evo_ops
> +#define clk_alpha_pll_fixed_taycan_elu_ops clk_alpha_pll_fixed_lucid_evo_ops
> extern const struct clk_ops clk_alpha_pll_postdiv_lucid_evo_ops;
> #define clk_alpha_pll_postdiv_lucid_ole_ops clk_alpha_pll_postdiv_lucid_evo_ops
> +#define clk_alpha_pll_postdiv_taycan_elu_ops clk_alpha_pll_postdiv_lucid_evo_ops
>
> extern const struct clk_ops clk_alpha_pll_rivian_evo_ops;
> #define clk_alpha_pll_postdiv_rivian_evo_ops clk_alpha_pll_postdiv_fabia_ops
> @@ -217,6 +221,9 @@ void clk_lucid_evo_pll_configure(struct clk_alpha_pll *pll, struct regmap *regma
> const struct alpha_pll_config *config);
> void clk_lucid_ole_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
> const struct alpha_pll_config *config);
> +#define clk_taycan_elu_pll_configure(pll, regmap, config) \
> + clk_lucid_evo_pll_configure(pll, regmap, config)
> +
> void clk_rivian_evo_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
> const struct alpha_pll_config *config);
> void clk_stromer_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
> --
> 2.46.1
>