Hi,

Your v5 and my review on v4 just crossed. My comment still holds

On 04/05/2020 21:58:44+0200, Michał Mirosław wrote:
> We need to have clocks accessible via phandle to select them
> as peripheral clock parent using assigned-clock-parents in DT.
> Add support for PLLACK/PLLBCK/AUDIOPLLCK clocks where available.
> 
> Signed-off-by: Michał Mirosław <mirq-li...@rere.qmqm.pl>
> ---
> v2: rebase to clk/clk-at91 branch
> v3: no changes
> v4: extend to whole family
> v5: fix copy-and-paste bugs for SAMA5D3/4
> ---
>  drivers/clk/at91/at91rm9200.c    | 6 +++++-
>  drivers/clk/at91/at91sam9260.c   | 6 +++++-
>  drivers/clk/at91/at91sam9g45.c   | 4 +++-
>  drivers/clk/at91/at91sam9n12.c   | 6 +++++-
>  drivers/clk/at91/at91sam9rl.c    | 4 +++-
>  drivers/clk/at91/at91sam9x5.c    | 4 +++-
>  drivers/clk/at91/sam9x60.c       | 4 +++-
>  drivers/clk/at91/sama5d2.c       | 6 +++++-
>  drivers/clk/at91/sama5d3.c       | 4 +++-
>  drivers/clk/at91/sama5d4.c       | 4 +++-
>  include/dt-bindings/clock/at91.h | 3 +++
>  11 files changed, 41 insertions(+), 10 deletions(-)
> 
> diff --git a/drivers/clk/at91/at91rm9200.c b/drivers/clk/at91/at91rm9200.c
> index 8da88e9a95d8..38bdb4981315 100644
> --- a/drivers/clk/at91/at91rm9200.c
> +++ b/drivers/clk/at91/at91rm9200.c
> @@ -98,7 +98,7 @@ static void __init at91rm9200_pmc_setup(struct device_node 
> *np)
>       if (IS_ERR(regmap))
>               return;
>  
> -     at91rm9200_pmc = pmc_data_allocate(PMC_MAIN + 1,
> +     at91rm9200_pmc = pmc_data_allocate(PMC_PLLBCK + 1,
>                                           nck(at91rm9200_systemck),
>                                           nck(at91rm9200_periphck), 0, 4);
>       if (!at91rm9200_pmc)
> @@ -123,12 +123,16 @@ static void __init at91rm9200_pmc_setup(struct 
> device_node *np)
>       if (IS_ERR(hw))
>               goto err_free;
>  
> +     at91rm9200_pmc->chws[PMC_PLLACK] = hw;
> +
>       hw = at91_clk_register_pll(regmap, "pllbck", "mainck", 1,
>                                  &at91rm9200_pll_layout,
>                                  &rm9200_pll_characteristics);
>       if (IS_ERR(hw))
>               goto err_free;
>  
> +     at91rm9200_pmc->chws[PMC_PLLBCK] = hw;
> +
>       parent_names[0] = slowxtal_name;
>       parent_names[1] = "mainck";
>       parent_names[2] = "pllack";
> diff --git a/drivers/clk/at91/at91sam9260.c b/drivers/clk/at91/at91sam9260.c
> index 7e5ff252fffc..6d0723aa8b13 100644
> --- a/drivers/clk/at91/at91sam9260.c
> +++ b/drivers/clk/at91/at91sam9260.c
> @@ -352,7 +352,7 @@ static void __init at91sam926x_pmc_setup(struct 
> device_node *np,
>       if (IS_ERR(regmap))
>               return;
>  
> -     at91sam9260_pmc = pmc_data_allocate(PMC_MAIN + 1,
> +     at91sam9260_pmc = pmc_data_allocate(PMC_PLLBCK + 1,
>                                           ndck(data->sck, data->num_sck),
>                                           ndck(data->pck, data->num_pck),
>                                           0, data->num_progck);
> @@ -399,12 +399,16 @@ static void __init at91sam926x_pmc_setup(struct 
> device_node *np,
>       if (IS_ERR(hw))
>               goto err_free;
>  
> +     at91sam9260_pmc->chws[PMC_PLLACK] = hw;
> +
>       hw = at91_clk_register_pll(regmap, "pllbck", "mainck", 1,
>                                  data->pllb_layout,
>                                  data->pllb_characteristics);
>       if (IS_ERR(hw))
>               goto err_free;
>  
> +     at91sam9260_pmc->chws[PMC_PLLBCK] = hw;
> +
>       parent_names[0] = slck_name;
>       parent_names[1] = "mainck";
>       parent_names[2] = "pllack";
> diff --git a/drivers/clk/at91/at91sam9g45.c b/drivers/clk/at91/at91sam9g45.c
> index 5d18eb04c218..9873b583c260 100644
> --- a/drivers/clk/at91/at91sam9g45.c
> +++ b/drivers/clk/at91/at91sam9g45.c
> @@ -115,7 +115,7 @@ static void __init at91sam9g45_pmc_setup(struct 
> device_node *np)
>       if (IS_ERR(regmap))
>               return;
>  
> -     at91sam9g45_pmc = pmc_data_allocate(PMC_MAIN + 1,
> +     at91sam9g45_pmc = pmc_data_allocate(PMC_PLLACK + 1,
>                                           nck(at91sam9g45_systemck),
>                                           nck(at91sam9g45_periphck), 0, 2);
>       if (!at91sam9g45_pmc)
> @@ -143,6 +143,8 @@ static void __init at91sam9g45_pmc_setup(struct 
> device_node *np)
>       if (IS_ERR(hw))
>               goto err_free;
>  
> +     at91sam9g45_pmc->chws[PMC_PLLACK] = hw;
> +
>       hw = at91_clk_register_utmi(regmap, NULL, "utmick", "mainck");
>       if (IS_ERR(hw))
>               goto err_free;
> diff --git a/drivers/clk/at91/at91sam9n12.c b/drivers/clk/at91/at91sam9n12.c
> index 3a2564c2f724..630dc5d87171 100644
> --- a/drivers/clk/at91/at91sam9n12.c
> +++ b/drivers/clk/at91/at91sam9n12.c
> @@ -128,7 +128,7 @@ static void __init at91sam9n12_pmc_setup(struct 
> device_node *np)
>       if (IS_ERR(regmap))
>               return;
>  
> -     at91sam9n12_pmc = pmc_data_allocate(PMC_MAIN + 1,
> +     at91sam9n12_pmc = pmc_data_allocate(PMC_PLLBCK + 1,
>                                          nck(at91sam9n12_systemck), 31, 0, 2);
>       if (!at91sam9n12_pmc)
>               return;
> @@ -162,11 +162,15 @@ static void __init at91sam9n12_pmc_setup(struct 
> device_node *np)
>       if (IS_ERR(hw))
>               goto err_free;
>  
> +     at91sam9n12_pmc->chws[PMC_PLLACK] = hw;
> +
>       hw = at91_clk_register_pll(regmap, "pllbck", "mainck", 1,
>                                  &at91rm9200_pll_layout, 
> &pllb_characteristics);
>       if (IS_ERR(hw))
>               goto err_free;
>  
> +     at91sam9n12_pmc->chws[PMC_PLLBCK] = hw;
> +
>       parent_names[0] = slck_name;
>       parent_names[1] = "mainck";
>       parent_names[2] = "plladivck";
> diff --git a/drivers/clk/at91/at91sam9rl.c b/drivers/clk/at91/at91sam9rl.c
> index bcf07f6a0e0e..0d1cc44b056f 100644
> --- a/drivers/clk/at91/at91sam9rl.c
> +++ b/drivers/clk/at91/at91sam9rl.c
> @@ -87,7 +87,7 @@ static void __init at91sam9rl_pmc_setup(struct device_node 
> *np)
>       if (IS_ERR(regmap))
>               return;
>  
> -     at91sam9rl_pmc = pmc_data_allocate(PMC_MAIN + 1,
> +     at91sam9rl_pmc = pmc_data_allocate(PMC_PLLACK + 1,
>                                          nck(at91sam9rl_systemck),
>                                          nck(at91sam9rl_periphck), 0, 2);
>       if (!at91sam9rl_pmc)
> @@ -105,6 +105,8 @@ static void __init at91sam9rl_pmc_setup(struct 
> device_node *np)
>       if (IS_ERR(hw))
>               goto err_free;
>  
> +     at91sam9rl_pmc->chws[PMC_PLLACK] = hw;
> +
>       hw = at91_clk_register_utmi(regmap, NULL, "utmick", "mainck");
>       if (IS_ERR(hw))
>               goto err_free;
> diff --git a/drivers/clk/at91/at91sam9x5.c b/drivers/clk/at91/at91sam9x5.c
> index f13756b407e2..0ce3da080287 100644
> --- a/drivers/clk/at91/at91sam9x5.c
> +++ b/drivers/clk/at91/at91sam9x5.c
> @@ -150,7 +150,7 @@ static void __init at91sam9x5_pmc_setup(struct 
> device_node *np,
>       if (IS_ERR(regmap))
>               return;
>  
> -     at91sam9x5_pmc = pmc_data_allocate(PMC_MAIN + 1,
> +     at91sam9x5_pmc = pmc_data_allocate(PMC_PLLACK + 1,
>                                          nck(at91sam9x5_systemck), 31, 0, 2);
>       if (!at91sam9x5_pmc)
>               return;
> @@ -184,6 +184,8 @@ static void __init at91sam9x5_pmc_setup(struct 
> device_node *np,
>       if (IS_ERR(hw))
>               goto err_free;
>  
> +     at91sam9x5_pmc->chws[PMC_PLLACK] = hw;
> +
>       hw = at91_clk_register_utmi(regmap, NULL, "utmick", "mainck");
>       if (IS_ERR(hw))
>               goto err_free;
> diff --git a/drivers/clk/at91/sam9x60.c b/drivers/clk/at91/sam9x60.c
> index db14e0427c7f..3e20aa68259f 100644
> --- a/drivers/clk/at91/sam9x60.c
> +++ b/drivers/clk/at91/sam9x60.c
> @@ -182,7 +182,7 @@ static void __init sam9x60_pmc_setup(struct device_node 
> *np)
>       if (IS_ERR(regmap))
>               return;
>  
> -     sam9x60_pmc = pmc_data_allocate(PMC_MAIN + 1,
> +     sam9x60_pmc = pmc_data_allocate(PMC_PLLACK + 1,
>                                       nck(sam9x60_systemck),
>                                       nck(sam9x60_periphck),
>                                       nck(sam9x60_gck), 8);
> @@ -214,6 +214,8 @@ static void __init sam9x60_pmc_setup(struct device_node 
> *np)
>       if (IS_ERR(hw))
>               goto err_free;
>  
> +     sam9x60_pmc->chws[PMC_PLLACK] = hw;
> +
>       hw = sam9x60_clk_register_pll(regmap, &pmc_pll_lock, "upllck",
>                                     "main_osc", 1, &upll_characteristics);
>       if (IS_ERR(hw))
> diff --git a/drivers/clk/at91/sama5d2.c b/drivers/clk/at91/sama5d2.c
> index ae5e83cadb3d..b3fa2291ccd8 100644
> --- a/drivers/clk/at91/sama5d2.c
> +++ b/drivers/clk/at91/sama5d2.c
> @@ -166,7 +166,7 @@ static void __init sama5d2_pmc_setup(struct device_node 
> *np)
>       if (IS_ERR(regmap))
>               return;
>  
> -     sama5d2_pmc = pmc_data_allocate(PMC_I2S1_MUX + 1,
> +     sama5d2_pmc = pmc_data_allocate(PMC_AUDIOPLLCK + 1,
>                                       nck(sama5d2_systemck),
>                                       nck(sama5d2_periph32ck),
>                                       nck(sama5d2_gck), 3);
> @@ -202,6 +202,8 @@ static void __init sama5d2_pmc_setup(struct device_node 
> *np)
>       if (IS_ERR(hw))
>               goto err_free;
>  
> +     sama5d2_pmc->chws[PMC_PLLACK] = hw;
> +
>       hw = at91_clk_register_audio_pll_frac(regmap, "audiopll_fracck",
>                                             "mainck");
>       if (IS_ERR(hw))
> @@ -217,6 +219,8 @@ static void __init sama5d2_pmc_setup(struct device_node 
> *np)
>       if (IS_ERR(hw))
>               goto err_free;
>  
> +     sama5d2_pmc->chws[PMC_AUDIOPLLCK] = hw;
> +
>       regmap_sfr = syscon_regmap_lookup_by_compatible("atmel,sama5d2-sfr");
>       if (IS_ERR(regmap_sfr))
>               regmap_sfr = NULL;
> diff --git a/drivers/clk/at91/sama5d3.c b/drivers/clk/at91/sama5d3.c
> index 507eef6797f1..5e4e44dd4c37 100644
> --- a/drivers/clk/at91/sama5d3.c
> +++ b/drivers/clk/at91/sama5d3.c
> @@ -125,7 +125,7 @@ static void __init sama5d3_pmc_setup(struct device_node 
> *np)
>       if (IS_ERR(regmap))
>               return;
>  
> -     sama5d3_pmc = pmc_data_allocate(PMC_MAIN + 1,
> +     sama5d3_pmc = pmc_data_allocate(PMC_PLLACK + 1,
>                                       nck(sama5d3_systemck),
>                                       nck(sama5d3_periphck), 0, 3);
>       if (!sama5d3_pmc)
> @@ -158,6 +158,8 @@ static void __init sama5d3_pmc_setup(struct device_node 
> *np)
>       if (IS_ERR(hw))
>               goto err_free;
>  
> +     sama5d3_pmc->chws[PMC_PLLACK] = hw;
> +
>       hw = at91_clk_register_utmi(regmap, NULL, "utmick", "mainck");
>       if (IS_ERR(hw))
>               goto err_free;
> diff --git a/drivers/clk/at91/sama5d4.c b/drivers/clk/at91/sama5d4.c
> index 80692902b4e4..662ff5fa6e98 100644
> --- a/drivers/clk/at91/sama5d4.c
> +++ b/drivers/clk/at91/sama5d4.c
> @@ -140,7 +140,7 @@ static void __init sama5d4_pmc_setup(struct device_node 
> *np)
>       if (IS_ERR(regmap))
>               return;
>  
> -     sama5d4_pmc = pmc_data_allocate(PMC_MCK2 + 1,
> +     sama5d4_pmc = pmc_data_allocate(PMC_PLLACK + 1,
>                                       nck(sama5d4_systemck),
>                                       nck(sama5d4_periph32ck), 0, 3);
>       if (!sama5d4_pmc)
> @@ -173,6 +173,8 @@ static void __init sama5d4_pmc_setup(struct device_node 
> *np)
>       if (IS_ERR(hw))
>               goto err_free;
>  
> +     sama5d4_pmc->chws[PMC_PLLACK] = hw;
> +
>       hw = at91_clk_register_utmi(regmap, NULL, "utmick", "mainck");
>       if (IS_ERR(hw))
>               goto err_free;
> diff --git a/include/dt-bindings/clock/at91.h 
> b/include/dt-bindings/clock/at91.h
> index c3f4aa6a2d29..adcf608b41fa 100644
> --- a/include/dt-bindings/clock/at91.h
> +++ b/include/dt-bindings/clock/at91.h
> @@ -21,6 +21,9 @@
>  #define PMC_MCK2             4
>  #define PMC_I2S0_MUX         5
>  #define PMC_I2S1_MUX         6
> +#define PMC_PLLACK           7
> +#define PMC_PLLBCK           8
> +#define PMC_AUDIOPLLCK               8               /* SAMA5D2-only, no 
> PLLB there */
>  
>  #ifndef AT91_PMC_MOSCS
>  #define AT91_PMC_MOSCS               0               /* MOSCS Flag */
> -- 
> 2.20.1
> 

-- 
Alexandre Belloni, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

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