| Message ID | 787d012c250cc2e9abb88a9848664336b6eb0174.1588526049.git.mirq-linux@rere.qmqm.pl (mailing list archive) |
|---|---|
| State | Superseded, archived |
| Headers | show |
| Series | clk: at91: support configuring more clocks via DT | expand |
On 03/05/2020 19:19:25+0200, Michał Mirosław wrote: > This exposes PROGx clocks for use in assigned-clocks DeviceTree property > for selecting PCKx parent clock. > > Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com> > --- > v2: rebase and update to clk/clk-at91 branch > v3: rebase > v4: no changes > --- > drivers/clk/at91/at91rm9200.c | 6 ++++-- > drivers/clk/at91/at91sam9260.c | 5 ++++- > drivers/clk/at91/at91sam9g45.c | 6 ++++-- > drivers/clk/at91/at91sam9n12.c | 6 ++++-- > drivers/clk/at91/at91sam9rl.c | 4 +++- > drivers/clk/at91/at91sam9x5.c | 4 +++- > drivers/clk/at91/pmc.c | 12 ++++++++++-- > drivers/clk/at91/pmc.h | 5 ++++- > drivers/clk/at91/sam9x60.c | 4 +++- > drivers/clk/at91/sama5d2.c | 4 +++- > drivers/clk/at91/sama5d3.c | 6 ++++-- > drivers/clk/at91/sama5d4.c | 4 +++- > include/dt-bindings/clock/at91.h | 1 + > 13 files changed, 50 insertions(+), 17 deletions(-) > > diff --git a/drivers/clk/at91/at91rm9200.c b/drivers/clk/at91/at91rm9200.c > index c44a431b6c97..8da88e9a95d8 100644 > --- a/drivers/clk/at91/at91rm9200.c > +++ b/drivers/clk/at91/at91rm9200.c > @@ -100,7 +100,7 @@ static void __init at91rm9200_pmc_setup(struct device_node *np) > > at91rm9200_pmc = pmc_data_allocate(PMC_MAIN + 1, > nck(at91rm9200_systemck), > - nck(at91rm9200_periphck), 0); > + nck(at91rm9200_periphck), 0, 4); > if (!at91rm9200_pmc) > return; > > @@ -159,6 +159,8 @@ static void __init at91rm9200_pmc_setup(struct device_node *np) > &at91rm9200_programmable_layout); > if (IS_ERR(hw)) > goto err_free; > + > + at91rm9200_pmc->pchws[i] = hw; > } > > for (i = 0; i < ARRAY_SIZE(at91rm9200_systemck); i++) { > @@ -187,7 +189,7 @@ static void __init at91rm9200_pmc_setup(struct device_node *np) > return; > > err_free: > - pmc_data_free(at91rm9200_pmc); > + kfree(at91rm9200_pmc); > } > /* > * While the TCB can be used as the clocksource, the system timer is most likely > diff --git a/drivers/clk/at91/at91sam9260.c b/drivers/clk/at91/at91sam9260.c > index 946f03a09858..7e5ff252fffc 100644 > --- a/drivers/clk/at91/at91sam9260.c > +++ b/drivers/clk/at91/at91sam9260.c > @@ -354,7 +354,8 @@ static void __init at91sam926x_pmc_setup(struct device_node *np, > > at91sam9260_pmc = pmc_data_allocate(PMC_MAIN + 1, > ndck(data->sck, data->num_sck), > - ndck(data->pck, data->num_pck), 0); > + ndck(data->pck, data->num_pck), > + 0, data->num_progck); > if (!at91sam9260_pmc) > return; > > @@ -434,6 +435,8 @@ static void __init at91sam926x_pmc_setup(struct device_node *np, > &at91rm9200_programmable_layout); > if (IS_ERR(hw)) > goto err_free; > + > + at91sam9260_pmc->pchws[i] = hw; > } > > for (i = 0; i < data->num_sck; i++) { > diff --git a/drivers/clk/at91/at91sam9g45.c b/drivers/clk/at91/at91sam9g45.c > index 38a7d2d2df0c..5d18eb04c218 100644 > --- a/drivers/clk/at91/at91sam9g45.c > +++ b/drivers/clk/at91/at91sam9g45.c > @@ -117,7 +117,7 @@ static void __init at91sam9g45_pmc_setup(struct device_node *np) > > at91sam9g45_pmc = pmc_data_allocate(PMC_MAIN + 1, > nck(at91sam9g45_systemck), > - nck(at91sam9g45_periphck), 0); > + nck(at91sam9g45_periphck), 0, 2); > if (!at91sam9g45_pmc) > return; > > @@ -182,6 +182,8 @@ static void __init at91sam9g45_pmc_setup(struct device_node *np) > &at91sam9g45_programmable_layout); > if (IS_ERR(hw)) > goto err_free; > + > + at91sam9g45_pmc->pchws[i] = hw; > } > > for (i = 0; i < ARRAY_SIZE(at91sam9g45_systemck); i++) { > @@ -210,7 +212,7 @@ static void __init at91sam9g45_pmc_setup(struct device_node *np) > return; > > err_free: > - pmc_data_free(at91sam9g45_pmc); > + kfree(at91sam9g45_pmc); > } > /* > * The TCB is used as the clocksource so its clock is needed early. This means > diff --git a/drivers/clk/at91/at91sam9n12.c b/drivers/clk/at91/at91sam9n12.c > index 8bb39d2ba84b..3a2564c2f724 100644 > --- a/drivers/clk/at91/at91sam9n12.c > +++ b/drivers/clk/at91/at91sam9n12.c > @@ -129,7 +129,7 @@ static void __init at91sam9n12_pmc_setup(struct device_node *np) > return; > > at91sam9n12_pmc = pmc_data_allocate(PMC_MAIN + 1, > - nck(at91sam9n12_systemck), 31, 0); > + nck(at91sam9n12_systemck), 31, 0, 2); > if (!at91sam9n12_pmc) > return; > > @@ -198,6 +198,8 @@ static void __init at91sam9n12_pmc_setup(struct device_node *np) > &at91sam9x5_programmable_layout); > if (IS_ERR(hw)) > goto err_free; > + > + at91sam9n12_pmc->pchws[i] = hw; > } > > for (i = 0; i < ARRAY_SIZE(at91sam9n12_systemck); i++) { > @@ -228,7 +230,7 @@ static void __init at91sam9n12_pmc_setup(struct device_node *np) > return; > > err_free: > - pmc_data_free(at91sam9n12_pmc); > + kfree(at91sam9n12_pmc); > } > /* > * The TCB is used as the clocksource so its clock is needed early. This means > diff --git a/drivers/clk/at91/at91sam9rl.c b/drivers/clk/at91/at91sam9rl.c > index cc739d214ae3..bcf07f6a0e0e 100644 > --- a/drivers/clk/at91/at91sam9rl.c > +++ b/drivers/clk/at91/at91sam9rl.c > @@ -89,7 +89,7 @@ static void __init at91sam9rl_pmc_setup(struct device_node *np) > > at91sam9rl_pmc = pmc_data_allocate(PMC_MAIN + 1, > nck(at91sam9rl_systemck), > - nck(at91sam9rl_periphck), 0); > + nck(at91sam9rl_periphck), 0, 2); > if (!at91sam9rl_pmc) > return; > > @@ -138,6 +138,8 @@ static void __init at91sam9rl_pmc_setup(struct device_node *np) > &at91rm9200_programmable_layout); > if (IS_ERR(hw)) > goto err_free; > + > + at91sam9rl_pmc->pchws[i] = hw; > } > > for (i = 0; i < ARRAY_SIZE(at91sam9rl_systemck); i++) { > diff --git a/drivers/clk/at91/at91sam9x5.c b/drivers/clk/at91/at91sam9x5.c > index aac99d699568..f13756b407e2 100644 > --- a/drivers/clk/at91/at91sam9x5.c > +++ b/drivers/clk/at91/at91sam9x5.c > @@ -151,7 +151,7 @@ static void __init at91sam9x5_pmc_setup(struct device_node *np, > return; > > at91sam9x5_pmc = pmc_data_allocate(PMC_MAIN + 1, > - nck(at91sam9x5_systemck), 31, 0); > + nck(at91sam9x5_systemck), 31, 0, 2); > if (!at91sam9x5_pmc) > return; > > @@ -227,6 +227,8 @@ static void __init at91sam9x5_pmc_setup(struct device_node *np, > &at91sam9x5_programmable_layout); > if (IS_ERR(hw)) > goto err_free; > + > + at91sam9x5_pmc->pchws[i] = hw; > } > > for (i = 0; i < ARRAY_SIZE(at91sam9x5_systemck); i++) { > diff --git a/drivers/clk/at91/pmc.c b/drivers/clk/at91/pmc.c > index ac46ea1b9fda..8a1577e2c2fd 100644 > --- a/drivers/clk/at91/pmc.c > +++ b/drivers/clk/at91/pmc.c > @@ -67,6 +67,10 @@ struct clk_hw *of_clk_hw_pmc_get(struct of_phandle_args *clkspec, void *data) > if (idx < pmc_data->ngck) > return pmc_data->ghws[idx]; > break; > + case PMC_TYPE_PROGRAMMABLE: > + if (idx < pmc_data->npck) > + return pmc_data->pchws[idx]; > + break; > default: > break; > } > @@ -77,9 +81,10 @@ struct clk_hw *of_clk_hw_pmc_get(struct of_phandle_args *clkspec, void *data) > } > > struct pmc_data *pmc_data_allocate(unsigned int ncore, unsigned int nsystem, > - unsigned int nperiph, unsigned int ngck) > + unsigned int nperiph, unsigned int ngck, > + unsigned int npck) > { > - unsigned int num_clks = ncore + nsystem + nperiph + ngck; > + unsigned int num_clks = ncore + nsystem + nperiph + ngck + npck; > struct pmc_data *pmc_data; > > pmc_data = kzalloc(struct_size(pmc_data, hwtable, num_clks), > @@ -99,6 +104,9 @@ struct pmc_data *pmc_data_allocate(unsigned int ncore, unsigned int nsystem, > pmc_data->ngck = ngck; > pmc_data->ghws = pmc_data->phws + nperiph; > > + pmc_data->npck = npck; > + pmc_data->pchws = pmc_data->ghws + ngck; > + > return pmc_data; > } > > diff --git a/drivers/clk/at91/pmc.h b/drivers/clk/at91/pmc.h > index fc3ef772b9d9..df616f2937e7 100644 > --- a/drivers/clk/at91/pmc.h > +++ b/drivers/clk/at91/pmc.h > @@ -24,6 +24,8 @@ struct pmc_data { > struct clk_hw **phws; > unsigned int ngck; > struct clk_hw **ghws; > + unsigned int npck; > + struct clk_hw **pchws; > > struct clk_hw *hwtable[]; > }; > @@ -96,7 +98,8 @@ struct clk_pcr_layout { > #define ndck(a, s) (a[s - 1].id + 1) > #define nck(a) (a[ARRAY_SIZE(a) - 1].id + 1) > struct pmc_data *pmc_data_allocate(unsigned int ncore, unsigned int nsystem, > - unsigned int nperiph, unsigned int ngck); > + unsigned int nperiph, unsigned int ngck, > + unsigned int npck); > > int of_at91_get_clk_range(struct device_node *np, const char *propname, > struct clk_range *range); > diff --git a/drivers/clk/at91/sam9x60.c b/drivers/clk/at91/sam9x60.c > index a7d4f648db26..db14e0427c7f 100644 > --- a/drivers/clk/at91/sam9x60.c > +++ b/drivers/clk/at91/sam9x60.c > @@ -185,7 +185,7 @@ static void __init sam9x60_pmc_setup(struct device_node *np) > sam9x60_pmc = pmc_data_allocate(PMC_MAIN + 1, > nck(sam9x60_systemck), > nck(sam9x60_periphck), > - nck(sam9x60_gck)); > + nck(sam9x60_gck), 8); > if (!sam9x60_pmc) > return; > > @@ -255,6 +255,8 @@ static void __init sam9x60_pmc_setup(struct device_node *np) > &sam9x60_programmable_layout); > if (IS_ERR(hw)) > goto err_free; > + > + sam9x60_pmc->pchws[i] = hw; > } > > for (i = 0; i < ARRAY_SIZE(sam9x60_systemck); i++) { > diff --git a/drivers/clk/at91/sama5d2.c b/drivers/clk/at91/sama5d2.c > index b2560670e5af..ae5e83cadb3d 100644 > --- a/drivers/clk/at91/sama5d2.c > +++ b/drivers/clk/at91/sama5d2.c > @@ -169,7 +169,7 @@ static void __init sama5d2_pmc_setup(struct device_node *np) > sama5d2_pmc = pmc_data_allocate(PMC_I2S1_MUX + 1, > nck(sama5d2_systemck), > nck(sama5d2_periph32ck), > - nck(sama5d2_gck)); > + nck(sama5d2_gck), 3); > if (!sama5d2_pmc) > return; > > @@ -267,6 +267,8 @@ static void __init sama5d2_pmc_setup(struct device_node *np) > &sama5d2_programmable_layout); > if (IS_ERR(hw)) > goto err_free; > + > + sama5d2_pmc->pchws[i] = hw; > } > > for (i = 0; i < ARRAY_SIZE(sama5d2_systemck); i++) { > diff --git a/drivers/clk/at91/sama5d3.c b/drivers/clk/at91/sama5d3.c > index 88506f909c08..507eef6797f1 100644 > --- a/drivers/clk/at91/sama5d3.c > +++ b/drivers/clk/at91/sama5d3.c > @@ -127,7 +127,7 @@ static void __init sama5d3_pmc_setup(struct device_node *np) > > sama5d3_pmc = pmc_data_allocate(PMC_MAIN + 1, > nck(sama5d3_systemck), > - nck(sama5d3_periphck), 0); > + nck(sama5d3_periphck), 0, 3); > if (!sama5d3_pmc) > return; > > @@ -201,6 +201,8 @@ static void __init sama5d3_pmc_setup(struct device_node *np) > &at91sam9x5_programmable_layout); > if (IS_ERR(hw)) > goto err_free; > + > + sama5d3_pmc->pchws[i] = hw; > } > > for (i = 0; i < ARRAY_SIZE(sama5d3_systemck); i++) { > @@ -231,7 +233,7 @@ static void __init sama5d3_pmc_setup(struct device_node *np) > return; > > err_free: > - pmc_data_free(sama5d3_pmc); > + kfree(sama5d3_pmc); > } > /* > * The TCB is used as the clocksource so its clock is needed early. This means > diff --git a/drivers/clk/at91/sama5d4.c b/drivers/clk/at91/sama5d4.c > index 4ca9a4619500..80692902b4e4 100644 > --- a/drivers/clk/at91/sama5d4.c > +++ b/drivers/clk/at91/sama5d4.c > @@ -142,7 +142,7 @@ static void __init sama5d4_pmc_setup(struct device_node *np) > > sama5d4_pmc = pmc_data_allocate(PMC_MCK2 + 1, > nck(sama5d4_systemck), > - nck(sama5d4_periph32ck), 0); > + nck(sama5d4_periph32ck), 0, 3); > if (!sama5d4_pmc) > return; > > @@ -224,6 +224,8 @@ static void __init sama5d4_pmc_setup(struct device_node *np) > &at91sam9x5_programmable_layout); > if (IS_ERR(hw)) > goto err_free; > + > + sama5d4_pmc->pchws[i] = hw; > } > > for (i = 0; i < ARRAY_SIZE(sama5d4_systemck); i++) { > diff --git a/include/dt-bindings/clock/at91.h b/include/dt-bindings/clock/at91.h > index 38b5554153c8..c3f4aa6a2d29 100644 > --- a/include/dt-bindings/clock/at91.h > +++ b/include/dt-bindings/clock/at91.h > @@ -12,6 +12,7 @@ > #define PMC_TYPE_SYSTEM 1 > #define PMC_TYPE_PERIPHERAL 2 > #define PMC_TYPE_GCK 3 > +#define PMC_TYPE_PROGRAMMABLE 4 > > #define PMC_SLOW 0 > #define PMC_MCK 1 > -- > 2.20.1 >
diff --git a/drivers/clk/at91/at91rm9200.c b/drivers/clk/at91/at91rm9200.c index c44a431b6c97..8da88e9a95d8 100644 --- a/drivers/clk/at91/at91rm9200.c +++ b/drivers/clk/at91/at91rm9200.c @@ -100,7 +100,7 @@ static void __init at91rm9200_pmc_setup(struct device_node *np) at91rm9200_pmc = pmc_data_allocate(PMC_MAIN + 1, nck(at91rm9200_systemck), - nck(at91rm9200_periphck), 0); + nck(at91rm9200_periphck), 0, 4); if (!at91rm9200_pmc) return; @@ -159,6 +159,8 @@ static void __init at91rm9200_pmc_setup(struct device_node *np) &at91rm9200_programmable_layout); if (IS_ERR(hw)) goto err_free; + + at91rm9200_pmc->pchws[i] = hw; } for (i = 0; i < ARRAY_SIZE(at91rm9200_systemck); i++) { @@ -187,7 +189,7 @@ static void __init at91rm9200_pmc_setup(struct device_node *np) return; err_free: - pmc_data_free(at91rm9200_pmc); + kfree(at91rm9200_pmc); } /* * While the TCB can be used as the clocksource, the system timer is most likely diff --git a/drivers/clk/at91/at91sam9260.c b/drivers/clk/at91/at91sam9260.c index 946f03a09858..7e5ff252fffc 100644 --- a/drivers/clk/at91/at91sam9260.c +++ b/drivers/clk/at91/at91sam9260.c @@ -354,7 +354,8 @@ static void __init at91sam926x_pmc_setup(struct device_node *np, at91sam9260_pmc = pmc_data_allocate(PMC_MAIN + 1, ndck(data->sck, data->num_sck), - ndck(data->pck, data->num_pck), 0); + ndck(data->pck, data->num_pck), + 0, data->num_progck); if (!at91sam9260_pmc) return; @@ -434,6 +435,8 @@ static void __init at91sam926x_pmc_setup(struct device_node *np, &at91rm9200_programmable_layout); if (IS_ERR(hw)) goto err_free; + + at91sam9260_pmc->pchws[i] = hw; } for (i = 0; i < data->num_sck; i++) { diff --git a/drivers/clk/at91/at91sam9g45.c b/drivers/clk/at91/at91sam9g45.c index 38a7d2d2df0c..5d18eb04c218 100644 --- a/drivers/clk/at91/at91sam9g45.c +++ b/drivers/clk/at91/at91sam9g45.c @@ -117,7 +117,7 @@ static void __init at91sam9g45_pmc_setup(struct device_node *np) at91sam9g45_pmc = pmc_data_allocate(PMC_MAIN + 1, nck(at91sam9g45_systemck), - nck(at91sam9g45_periphck), 0); + nck(at91sam9g45_periphck), 0, 2); if (!at91sam9g45_pmc) return; @@ -182,6 +182,8 @@ static void __init at91sam9g45_pmc_setup(struct device_node *np) &at91sam9g45_programmable_layout); if (IS_ERR(hw)) goto err_free; + + at91sam9g45_pmc->pchws[i] = hw; } for (i = 0; i < ARRAY_SIZE(at91sam9g45_systemck); i++) { @@ -210,7 +212,7 @@ static void __init at91sam9g45_pmc_setup(struct device_node *np) return; err_free: - pmc_data_free(at91sam9g45_pmc); + kfree(at91sam9g45_pmc); } /* * The TCB is used as the clocksource so its clock is needed early. This means diff --git a/drivers/clk/at91/at91sam9n12.c b/drivers/clk/at91/at91sam9n12.c index 8bb39d2ba84b..3a2564c2f724 100644 --- a/drivers/clk/at91/at91sam9n12.c +++ b/drivers/clk/at91/at91sam9n12.c @@ -129,7 +129,7 @@ static void __init at91sam9n12_pmc_setup(struct device_node *np) return; at91sam9n12_pmc = pmc_data_allocate(PMC_MAIN + 1, - nck(at91sam9n12_systemck), 31, 0); + nck(at91sam9n12_systemck), 31, 0, 2); if (!at91sam9n12_pmc) return; @@ -198,6 +198,8 @@ static void __init at91sam9n12_pmc_setup(struct device_node *np) &at91sam9x5_programmable_layout); if (IS_ERR(hw)) goto err_free; + + at91sam9n12_pmc->pchws[i] = hw; } for (i = 0; i < ARRAY_SIZE(at91sam9n12_systemck); i++) { @@ -228,7 +230,7 @@ static void __init at91sam9n12_pmc_setup(struct device_node *np) return; err_free: - pmc_data_free(at91sam9n12_pmc); + kfree(at91sam9n12_pmc); } /* * The TCB is used as the clocksource so its clock is needed early. This means diff --git a/drivers/clk/at91/at91sam9rl.c b/drivers/clk/at91/at91sam9rl.c index cc739d214ae3..bcf07f6a0e0e 100644 --- a/drivers/clk/at91/at91sam9rl.c +++ b/drivers/clk/at91/at91sam9rl.c @@ -89,7 +89,7 @@ static void __init at91sam9rl_pmc_setup(struct device_node *np) at91sam9rl_pmc = pmc_data_allocate(PMC_MAIN + 1, nck(at91sam9rl_systemck), - nck(at91sam9rl_periphck), 0); + nck(at91sam9rl_periphck), 0, 2); if (!at91sam9rl_pmc) return; @@ -138,6 +138,8 @@ static void __init at91sam9rl_pmc_setup(struct device_node *np) &at91rm9200_programmable_layout); if (IS_ERR(hw)) goto err_free; + + at91sam9rl_pmc->pchws[i] = hw; } for (i = 0; i < ARRAY_SIZE(at91sam9rl_systemck); i++) { diff --git a/drivers/clk/at91/at91sam9x5.c b/drivers/clk/at91/at91sam9x5.c index aac99d699568..f13756b407e2 100644 --- a/drivers/clk/at91/at91sam9x5.c +++ b/drivers/clk/at91/at91sam9x5.c @@ -151,7 +151,7 @@ static void __init at91sam9x5_pmc_setup(struct device_node *np, return; at91sam9x5_pmc = pmc_data_allocate(PMC_MAIN + 1, - nck(at91sam9x5_systemck), 31, 0); + nck(at91sam9x5_systemck), 31, 0, 2); if (!at91sam9x5_pmc) return; @@ -227,6 +227,8 @@ static void __init at91sam9x5_pmc_setup(struct device_node *np, &at91sam9x5_programmable_layout); if (IS_ERR(hw)) goto err_free; + + at91sam9x5_pmc->pchws[i] = hw; } for (i = 0; i < ARRAY_SIZE(at91sam9x5_systemck); i++) { diff --git a/drivers/clk/at91/pmc.c b/drivers/clk/at91/pmc.c index ac46ea1b9fda..8a1577e2c2fd 100644 --- a/drivers/clk/at91/pmc.c +++ b/drivers/clk/at91/pmc.c @@ -67,6 +67,10 @@ struct clk_hw *of_clk_hw_pmc_get(struct of_phandle_args *clkspec, void *data) if (idx < pmc_data->ngck) return pmc_data->ghws[idx]; break; + case PMC_TYPE_PROGRAMMABLE: + if (idx < pmc_data->npck) + return pmc_data->pchws[idx]; + break; default: break; } @@ -77,9 +81,10 @@ struct clk_hw *of_clk_hw_pmc_get(struct of_phandle_args *clkspec, void *data) } struct pmc_data *pmc_data_allocate(unsigned int ncore, unsigned int nsystem, - unsigned int nperiph, unsigned int ngck) + unsigned int nperiph, unsigned int ngck, + unsigned int npck) { - unsigned int num_clks = ncore + nsystem + nperiph + ngck; + unsigned int num_clks = ncore + nsystem + nperiph + ngck + npck; struct pmc_data *pmc_data; pmc_data = kzalloc(struct_size(pmc_data, hwtable, num_clks), @@ -99,6 +104,9 @@ struct pmc_data *pmc_data_allocate(unsigned int ncore, unsigned int nsystem, pmc_data->ngck = ngck; pmc_data->ghws = pmc_data->phws + nperiph; + pmc_data->npck = npck; + pmc_data->pchws = pmc_data->ghws + ngck; + return pmc_data; } diff --git a/drivers/clk/at91/pmc.h b/drivers/clk/at91/pmc.h index fc3ef772b9d9..df616f2937e7 100644 --- a/drivers/clk/at91/pmc.h +++ b/drivers/clk/at91/pmc.h @@ -24,6 +24,8 @@ struct pmc_data { struct clk_hw **phws; unsigned int ngck; struct clk_hw **ghws; + unsigned int npck; + struct clk_hw **pchws; struct clk_hw *hwtable[]; }; @@ -96,7 +98,8 @@ struct clk_pcr_layout { #define ndck(a, s) (a[s - 1].id + 1) #define nck(a) (a[ARRAY_SIZE(a) - 1].id + 1) struct pmc_data *pmc_data_allocate(unsigned int ncore, unsigned int nsystem, - unsigned int nperiph, unsigned int ngck); + unsigned int nperiph, unsigned int ngck, + unsigned int npck); int of_at91_get_clk_range(struct device_node *np, const char *propname, struct clk_range *range); diff --git a/drivers/clk/at91/sam9x60.c b/drivers/clk/at91/sam9x60.c index a7d4f648db26..db14e0427c7f 100644 --- a/drivers/clk/at91/sam9x60.c +++ b/drivers/clk/at91/sam9x60.c @@ -185,7 +185,7 @@ static void __init sam9x60_pmc_setup(struct device_node *np) sam9x60_pmc = pmc_data_allocate(PMC_MAIN + 1, nck(sam9x60_systemck), nck(sam9x60_periphck), - nck(sam9x60_gck)); + nck(sam9x60_gck), 8); if (!sam9x60_pmc) return; @@ -255,6 +255,8 @@ static void __init sam9x60_pmc_setup(struct device_node *np) &sam9x60_programmable_layout); if (IS_ERR(hw)) goto err_free; + + sam9x60_pmc->pchws[i] = hw; } for (i = 0; i < ARRAY_SIZE(sam9x60_systemck); i++) { diff --git a/drivers/clk/at91/sama5d2.c b/drivers/clk/at91/sama5d2.c index b2560670e5af..ae5e83cadb3d 100644 --- a/drivers/clk/at91/sama5d2.c +++ b/drivers/clk/at91/sama5d2.c @@ -169,7 +169,7 @@ static void __init sama5d2_pmc_setup(struct device_node *np) sama5d2_pmc = pmc_data_allocate(PMC_I2S1_MUX + 1, nck(sama5d2_systemck), nck(sama5d2_periph32ck), - nck(sama5d2_gck)); + nck(sama5d2_gck), 3); if (!sama5d2_pmc) return; @@ -267,6 +267,8 @@ static void __init sama5d2_pmc_setup(struct device_node *np) &sama5d2_programmable_layout); if (IS_ERR(hw)) goto err_free; + + sama5d2_pmc->pchws[i] = hw; } for (i = 0; i < ARRAY_SIZE(sama5d2_systemck); i++) { diff --git a/drivers/clk/at91/sama5d3.c b/drivers/clk/at91/sama5d3.c index 88506f909c08..507eef6797f1 100644 --- a/drivers/clk/at91/sama5d3.c +++ b/drivers/clk/at91/sama5d3.c @@ -127,7 +127,7 @@ static void __init sama5d3_pmc_setup(struct device_node *np) sama5d3_pmc = pmc_data_allocate(PMC_MAIN + 1, nck(sama5d3_systemck), - nck(sama5d3_periphck), 0); + nck(sama5d3_periphck), 0, 3); if (!sama5d3_pmc) return; @@ -201,6 +201,8 @@ static void __init sama5d3_pmc_setup(struct device_node *np) &at91sam9x5_programmable_layout); if (IS_ERR(hw)) goto err_free; + + sama5d3_pmc->pchws[i] = hw; } for (i = 0; i < ARRAY_SIZE(sama5d3_systemck); i++) { @@ -231,7 +233,7 @@ static void __init sama5d3_pmc_setup(struct device_node *np) return; err_free: - pmc_data_free(sama5d3_pmc); + kfree(sama5d3_pmc); } /* * The TCB is used as the clocksource so its clock is needed early. This means diff --git a/drivers/clk/at91/sama5d4.c b/drivers/clk/at91/sama5d4.c index 4ca9a4619500..80692902b4e4 100644 --- a/drivers/clk/at91/sama5d4.c +++ b/drivers/clk/at91/sama5d4.c @@ -142,7 +142,7 @@ static void __init sama5d4_pmc_setup(struct device_node *np) sama5d4_pmc = pmc_data_allocate(PMC_MCK2 + 1, nck(sama5d4_systemck), - nck(sama5d4_periph32ck), 0); + nck(sama5d4_periph32ck), 0, 3); if (!sama5d4_pmc) return; @@ -224,6 +224,8 @@ static void __init sama5d4_pmc_setup(struct device_node *np) &at91sam9x5_programmable_layout); if (IS_ERR(hw)) goto err_free; + + sama5d4_pmc->pchws[i] = hw; } for (i = 0; i < ARRAY_SIZE(sama5d4_systemck); i++) { diff --git a/include/dt-bindings/clock/at91.h b/include/dt-bindings/clock/at91.h index 38b5554153c8..c3f4aa6a2d29 100644 --- a/include/dt-bindings/clock/at91.h +++ b/include/dt-bindings/clock/at91.h @@ -12,6 +12,7 @@ #define PMC_TYPE_SYSTEM 1 #define PMC_TYPE_PERIPHERAL 2 #define PMC_TYPE_GCK 3 +#define PMC_TYPE_PROGRAMMABLE 4 #define PMC_SLOW 0 #define PMC_MCK 1
This exposes PROGx clocks for use in assigned-clocks DeviceTree property for selecting PCKx parent clock. Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> --- v2: rebase and update to clk/clk-at91 branch v3: rebase v4: no changes --- drivers/clk/at91/at91rm9200.c | 6 ++++-- drivers/clk/at91/at91sam9260.c | 5 ++++- drivers/clk/at91/at91sam9g45.c | 6 ++++-- drivers/clk/at91/at91sam9n12.c | 6 ++++-- drivers/clk/at91/at91sam9rl.c | 4 +++- drivers/clk/at91/at91sam9x5.c | 4 +++- drivers/clk/at91/pmc.c | 12 ++++++++++-- drivers/clk/at91/pmc.h | 5 ++++- drivers/clk/at91/sam9x60.c | 4 +++- drivers/clk/at91/sama5d2.c | 4 +++- drivers/clk/at91/sama5d3.c | 6 ++++-- drivers/clk/at91/sama5d4.c | 4 +++- include/dt-bindings/clock/at91.h | 1 + 13 files changed, 50 insertions(+), 17 deletions(-)