Message ID | 20230607-topic-amlogic-upstream-clkid-public-migration-v1-3-9676afa6b22c@linaro.org (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | clk: meson: move all private clk IDs to public dt-bindings headers | expand |
> > +struct meson_a1_pll_clks { > + struct clk_hw **hw_clks; > + unsigned int hw_clk_num; > +}; > + > +static struct meson_a1_pll_clks a1_pll_clks = { > + .hw_clks = a1_pll_hw_clks, > + .hw_clk_num = ARRAY_SIZE(a1_pll_hw_clks), > +}; > + > +static struct clk_hw *meson_a1_pll_hw_get(struct of_phandle_args *clkspec, void *clk_data) > +{ > + const struct meson_a1_pll_clks *data = clk_data; > + unsigned int idx = clkspec->args[0]; > + > + if (idx >= data->hw_clk_num) { > + pr_err("%s: invalid index %u\n", __func__, idx); > + return ERR_PTR(-EINVAL); > + } > + > + return data->hw_clks[idx]; > +} I'd prefer to have a single struct type and and single custom callback for the different SoC please.
On 08/06/2023 14:45, Jerome Brunet wrote: >> >> +struct meson_a1_pll_clks { >> + struct clk_hw **hw_clks; >> + unsigned int hw_clk_num; >> +}; >> + >> +static struct meson_a1_pll_clks a1_pll_clks = { >> + .hw_clks = a1_pll_hw_clks, >> + .hw_clk_num = ARRAY_SIZE(a1_pll_hw_clks), >> +}; >> + >> +static struct clk_hw *meson_a1_pll_hw_get(struct of_phandle_args *clkspec, void *clk_data) >> +{ >> + const struct meson_a1_pll_clks *data = clk_data; >> + unsigned int idx = clkspec->args[0]; >> + >> + if (idx >= data->hw_clk_num) { >> + pr_err("%s: invalid index %u\n", __func__, idx); >> + return ERR_PTR(-EINVAL); >> + } >> + >> + return data->hw_clks[idx]; >> +} > > I'd prefer to have a single struct type and and single custom > callback for the different SoC please. Sure, I've written a common code for that, but I have a hard time finding a proper naming for it... so I choosed meson-clkc since it could have more common helper code for duplicated code over the clk driver: ===================================><============================================================================ diff --git a/drivers/clk/meson/Kconfig b/drivers/clk/meson/Kconfig index 8ce846fdbe43..9070dcfd9e71 100644 --- a/drivers/clk/meson/Kconfig +++ b/drivers/clk/meson/Kconfig @@ -30,6 +30,9 @@ config COMMON_CLK_MESON_VID_PLL_DIV tristate select COMMON_CLK_MESON_REGMAP +config COMMON_CLK_MESON_CLKC + tristate + config COMMON_CLK_MESON_AO_CLKC tristate select COMMON_CLK_MESON_REGMAP diff --git a/drivers/clk/meson/Makefile b/drivers/clk/meson/Makefile index d5288662881d..13c6db466986 100644 --- a/drivers/clk/meson/Makefile +++ b/drivers/clk/meson/Makefile @@ -1,6 +1,7 @@ # SPDX-License-Identifier: GPL-2.0-only # Amlogic clock drivers +obj-$(CONFIG_COMMON_CLK_MESON_CLKC) += meson-clkc.o obj-$(CONFIG_COMMON_CLK_MESON_AO_CLKC) += meson-aoclk.o obj-$(CONFIG_COMMON_CLK_MESON_CPU_DYNDIV) += clk-cpu-dyndiv.o obj-$(CONFIG_COMMON_CLK_MESON_DUALDIV) += clk-dualdiv.o diff --git a/drivers/clk/meson/meson-clkc.c b/drivers/clk/meson/meson-clkc.c new file mode 100644 index 000000000000..fa98b9d09011 --- /dev/null +++ b/drivers/clk/meson/meson-clkc.c @@ -0,0 +1,25 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (c) 2023 Neil Armstrong <neil.armstrong@linaro.org> + */ + +#include <linux/of_device.h> +#include <linux/clk-provider.h> +#include <linux/module.h> +#include "meson-clkc.h" + +struct clk_hw *meson_clk_hw_get(struct of_phandle_args *clkspec, void *clk_hw_data) +{ + const struct meson_clk_hw_data *data = clk_hw_data; + unsigned int idx = clkspec->args[0]; + + if (idx >= data->num) { + pr_err("%s: invalid index %u\n", __func__, idx); + return ERR_PTR(-EINVAL); + } + + return data->hws[idx]; +} +EXPORT_SYMBOL_GPL(meson_clk_hw_get); + +MODULE_LICENSE("GPL v2"); diff --git a/drivers/clk/meson/meson-clkc.h b/drivers/clk/meson/meson-clkc.h new file mode 100644 index 000000000000..e3bad2aa17eb --- /dev/null +++ b/drivers/clk/meson/meson-clkc.h @@ -0,0 +1,19 @@ +/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */ +/* + * Copyright (c) 2023 Neil Armstrong <neil.armstrong@linaro.org> + */ + +#ifndef __MESON_HW_CLKC_H__ +#define __MESON_HW_CLKC_H__ + +#include <linux/of_device.h> +#include <linux/clk-provider.h> + +struct meson_clk_hw_data { + struct clk_hw **hws; + unsigned int num; +}; + +struct clk_hw *meson_clk_hw_get(struct of_phandle_args *clkspec, void *clk_hw_data); + +#endif ===================================><============================================================================ If it's ok I'll send a v2 using this. Thanks, Neil
Hello Neil, On Thu, Jun 08, 2023 at 02:53:50PM +0200, Neil Armstrong wrote: > On 08/06/2023 14:45, Jerome Brunet wrote: > > > +struct meson_a1_pll_clks { > > > + struct clk_hw **hw_clks; > > > + unsigned int hw_clk_num; > > > +}; > > > + > > > +static struct meson_a1_pll_clks a1_pll_clks = { > > > + .hw_clks = a1_pll_hw_clks, > > > + .hw_clk_num = ARRAY_SIZE(a1_pll_hw_clks), > > > +}; > > > + > > > +static struct clk_hw *meson_a1_pll_hw_get(struct of_phandle_args *clkspec, void *clk_data) > > > +{ > > > + const struct meson_a1_pll_clks *data = clk_data; > > > + unsigned int idx = clkspec->args[0]; > > > + > > > + if (idx >= data->hw_clk_num) { > > > + pr_err("%s: invalid index %u\n", __func__, idx); > > > + return ERR_PTR(-EINVAL); > > > + } > > > + > > > + return data->hw_clks[idx]; > > > +} > > > > I'd prefer to have a single struct type and and single custom > > callback for the different SoC please. > > Sure, I've written a common code for that, but I have a hard time finding > a proper naming for it... so I choosed meson-clkc since it could have > more common helper code for duplicated code over the clk driver: > > ===================================><============================================================================ > diff --git a/drivers/clk/meson/Kconfig b/drivers/clk/meson/Kconfig > index 8ce846fdbe43..9070dcfd9e71 100644 > --- a/drivers/clk/meson/Kconfig > +++ b/drivers/clk/meson/Kconfig > @@ -30,6 +30,9 @@ config COMMON_CLK_MESON_VID_PLL_DIV > tristate > select COMMON_CLK_MESON_REGMAP > > +config COMMON_CLK_MESON_CLKC > + tristate > + > config COMMON_CLK_MESON_AO_CLKC > tristate > select COMMON_CLK_MESON_REGMAP > diff --git a/drivers/clk/meson/Makefile b/drivers/clk/meson/Makefile > index d5288662881d..13c6db466986 100644 > --- a/drivers/clk/meson/Makefile > +++ b/drivers/clk/meson/Makefile > @@ -1,6 +1,7 @@ > # SPDX-License-Identifier: GPL-2.0-only > # Amlogic clock drivers > > +obj-$(CONFIG_COMMON_CLK_MESON_CLKC) += meson-clkc.o > obj-$(CONFIG_COMMON_CLK_MESON_AO_CLKC) += meson-aoclk.o > obj-$(CONFIG_COMMON_CLK_MESON_CPU_DYNDIV) += clk-cpu-dyndiv.o > obj-$(CONFIG_COMMON_CLK_MESON_DUALDIV) += clk-dualdiv.o > diff --git a/drivers/clk/meson/meson-clkc.c b/drivers/clk/meson/meson-clkc.c > new file mode 100644 > index 000000000000..fa98b9d09011 > --- /dev/null > +++ b/drivers/clk/meson/meson-clkc.c > @@ -0,0 +1,25 @@ > +// SPDX-License-Identifier: GPL-2.0+ > +/* > + * Copyright (c) 2023 Neil Armstrong <neil.armstrong@linaro.org> > + */ > + > +#include <linux/of_device.h> > +#include <linux/clk-provider.h> > +#include <linux/module.h> > +#include "meson-clkc.h" > + > +struct clk_hw *meson_clk_hw_get(struct of_phandle_args *clkspec, void *clk_hw_data) > +{ > + const struct meson_clk_hw_data *data = clk_hw_data; > + unsigned int idx = clkspec->args[0]; > + > + if (idx >= data->num) { > + pr_err("%s: invalid index %u\n", __func__, idx); > + return ERR_PTR(-EINVAL); > + } > + > + return data->hws[idx]; > +} > +EXPORT_SYMBOL_GPL(meson_clk_hw_get); > + > +MODULE_LICENSE("GPL v2"); > diff --git a/drivers/clk/meson/meson-clkc.h b/drivers/clk/meson/meson-clkc.h > new file mode 100644 > index 000000000000..e3bad2aa17eb > --- /dev/null > +++ b/drivers/clk/meson/meson-clkc.h > @@ -0,0 +1,19 @@ > +/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */ > +/* > + * Copyright (c) 2023 Neil Armstrong <neil.armstrong@linaro.org> > + */ > + > +#ifndef __MESON_HW_CLKC_H__ > +#define __MESON_HW_CLKC_H__ > + > +#include <linux/of_device.h> > +#include <linux/clk-provider.h> > + > +struct meson_clk_hw_data { > + struct clk_hw **hws; > + unsigned int num; > +}; > + > +struct clk_hw *meson_clk_hw_get(struct of_phandle_args *clkspec, void *clk_hw_data); > + > +#endif > ===================================><============================================================================ > > If it's ok I'll send a v2 using this. > > Thanks, > Neil In addition, I propose consolidating the probe() routine of the a1 clocks into a common part, which can be utilized for s4 and other similar clocks. This solution was presented in the early a1 review stages of this patch set. https://lore.kernel.org/linux-amlogic/20221201225703.6507-7-ddrokosov@sberdevices.ru/ Maybe, it can be generalized for the all meson clock controller drivers.
Hi, On 09/06/2023 13:48, Dmitry Rokosov wrote: > Hello Neil, > > On Thu, Jun 08, 2023 at 02:53:50PM +0200, Neil Armstrong wrote: >> On 08/06/2023 14:45, Jerome Brunet wrote: >>>> +struct meson_a1_pll_clks { >>>> + struct clk_hw **hw_clks; >>>> + unsigned int hw_clk_num; >>>> +}; >>>> + >>>> +static struct meson_a1_pll_clks a1_pll_clks = { >>>> + .hw_clks = a1_pll_hw_clks, >>>> + .hw_clk_num = ARRAY_SIZE(a1_pll_hw_clks), >>>> +}; >>>> + >>>> +static struct clk_hw *meson_a1_pll_hw_get(struct of_phandle_args *clkspec, void *clk_data) >>>> +{ >>>> + const struct meson_a1_pll_clks *data = clk_data; >>>> + unsigned int idx = clkspec->args[0]; >>>> + >>>> + if (idx >= data->hw_clk_num) { >>>> + pr_err("%s: invalid index %u\n", __func__, idx); >>>> + return ERR_PTR(-EINVAL); >>>> + } >>>> + >>>> + return data->hw_clks[idx]; >>>> +} >>> >>> I'd prefer to have a single struct type and and single custom >>> callback for the different SoC please. >> >> Sure, I've written a common code for that, but I have a hard time finding >> a proper naming for it... so I choosed meson-clkc since it could have >> more common helper code for duplicated code over the clk driver: >> >> ===================================><============================================================================ >> diff --git a/drivers/clk/meson/Kconfig b/drivers/clk/meson/Kconfig >> index 8ce846fdbe43..9070dcfd9e71 100644 >> --- a/drivers/clk/meson/Kconfig >> +++ b/drivers/clk/meson/Kconfig >> @@ -30,6 +30,9 @@ config COMMON_CLK_MESON_VID_PLL_DIV >> tristate >> select COMMON_CLK_MESON_REGMAP >> >> +config COMMON_CLK_MESON_CLKC >> + tristate >> + >> config COMMON_CLK_MESON_AO_CLKC >> tristate >> select COMMON_CLK_MESON_REGMAP >> diff --git a/drivers/clk/meson/Makefile b/drivers/clk/meson/Makefile >> index d5288662881d..13c6db466986 100644 >> --- a/drivers/clk/meson/Makefile >> +++ b/drivers/clk/meson/Makefile >> @@ -1,6 +1,7 @@ >> # SPDX-License-Identifier: GPL-2.0-only >> # Amlogic clock drivers >> >> +obj-$(CONFIG_COMMON_CLK_MESON_CLKC) += meson-clkc.o >> obj-$(CONFIG_COMMON_CLK_MESON_AO_CLKC) += meson-aoclk.o >> obj-$(CONFIG_COMMON_CLK_MESON_CPU_DYNDIV) += clk-cpu-dyndiv.o >> obj-$(CONFIG_COMMON_CLK_MESON_DUALDIV) += clk-dualdiv.o >> diff --git a/drivers/clk/meson/meson-clkc.c b/drivers/clk/meson/meson-clkc.c >> new file mode 100644 >> index 000000000000..fa98b9d09011 >> --- /dev/null >> +++ b/drivers/clk/meson/meson-clkc.c >> @@ -0,0 +1,25 @@ >> +// SPDX-License-Identifier: GPL-2.0+ >> +/* >> + * Copyright (c) 2023 Neil Armstrong <neil.armstrong@linaro.org> >> + */ >> + >> +#include <linux/of_device.h> >> +#include <linux/clk-provider.h> >> +#include <linux/module.h> >> +#include "meson-clkc.h" >> + >> +struct clk_hw *meson_clk_hw_get(struct of_phandle_args *clkspec, void *clk_hw_data) >> +{ >> + const struct meson_clk_hw_data *data = clk_hw_data; >> + unsigned int idx = clkspec->args[0]; >> + >> + if (idx >= data->num) { >> + pr_err("%s: invalid index %u\n", __func__, idx); >> + return ERR_PTR(-EINVAL); >> + } >> + >> + return data->hws[idx]; >> +} >> +EXPORT_SYMBOL_GPL(meson_clk_hw_get); >> + >> +MODULE_LICENSE("GPL v2"); >> diff --git a/drivers/clk/meson/meson-clkc.h b/drivers/clk/meson/meson-clkc.h >> new file mode 100644 >> index 000000000000..e3bad2aa17eb >> --- /dev/null >> +++ b/drivers/clk/meson/meson-clkc.h >> @@ -0,0 +1,19 @@ >> +/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */ >> +/* >> + * Copyright (c) 2023 Neil Armstrong <neil.armstrong@linaro.org> >> + */ >> + >> +#ifndef __MESON_HW_CLKC_H__ >> +#define __MESON_HW_CLKC_H__ >> + >> +#include <linux/of_device.h> >> +#include <linux/clk-provider.h> >> + >> +struct meson_clk_hw_data { >> + struct clk_hw **hws; >> + unsigned int num; >> +}; >> + >> +struct clk_hw *meson_clk_hw_get(struct of_phandle_args *clkspec, void *clk_hw_data); >> + >> +#endif >> ===================================><============================================================================ >> >> If it's ok I'll send a v2 using this. >> >> Thanks, >> Neil > > In addition, I propose consolidating the probe() routine of the a1 > clocks into a common part, which can be utilized for s4 and other > similar clocks. This solution was presented in the early a1 review > stages of this patch set. > > https://lore.kernel.org/linux-amlogic/20221201225703.6507-7-ddrokosov@sberdevices.ru/ > > Maybe, it can be generalized for the all meson clock controller drivers. > Sure, the goal of that is to get rid of NR_CLKS & private IDS only, then yes afterwards any common clkc function will be welcome ! Neil
On Fri, Jun 09, 2023 at 02:47:04PM +0200, Neil Armstrong wrote: > Hi, > > On 09/06/2023 13:48, Dmitry Rokosov wrote: > > Hello Neil, > > > > On Thu, Jun 08, 2023 at 02:53:50PM +0200, Neil Armstrong wrote: > > > On 08/06/2023 14:45, Jerome Brunet wrote: > > > > > +struct meson_a1_pll_clks { > > > > > + struct clk_hw **hw_clks; > > > > > + unsigned int hw_clk_num; > > > > > +}; > > > > > + > > > > > +static struct meson_a1_pll_clks a1_pll_clks = { > > > > > + .hw_clks = a1_pll_hw_clks, > > > > > + .hw_clk_num = ARRAY_SIZE(a1_pll_hw_clks), > > > > > +}; > > > > > + > > > > > +static struct clk_hw *meson_a1_pll_hw_get(struct of_phandle_args *clkspec, void *clk_data) > > > > > +{ > > > > > + const struct meson_a1_pll_clks *data = clk_data; > > > > > + unsigned int idx = clkspec->args[0]; > > > > > + > > > > > + if (idx >= data->hw_clk_num) { > > > > > + pr_err("%s: invalid index %u\n", __func__, idx); > > > > > + return ERR_PTR(-EINVAL); > > > > > + } > > > > > + > > > > > + return data->hw_clks[idx]; > > > > > +} > > > > > > > > I'd prefer to have a single struct type and and single custom > > > > callback for the different SoC please. > > > > > > Sure, I've written a common code for that, but I have a hard time finding > > > a proper naming for it... so I choosed meson-clkc since it could have > > > more common helper code for duplicated code over the clk driver: > > > > > > ===================================><============================================================================ > > > diff --git a/drivers/clk/meson/Kconfig b/drivers/clk/meson/Kconfig > > > index 8ce846fdbe43..9070dcfd9e71 100644 > > > --- a/drivers/clk/meson/Kconfig > > > +++ b/drivers/clk/meson/Kconfig > > > @@ -30,6 +30,9 @@ config COMMON_CLK_MESON_VID_PLL_DIV > > > tristate > > > select COMMON_CLK_MESON_REGMAP > > > > > > +config COMMON_CLK_MESON_CLKC > > > + tristate > > > + > > > config COMMON_CLK_MESON_AO_CLKC > > > tristate > > > select COMMON_CLK_MESON_REGMAP > > > diff --git a/drivers/clk/meson/Makefile b/drivers/clk/meson/Makefile > > > index d5288662881d..13c6db466986 100644 > > > --- a/drivers/clk/meson/Makefile > > > +++ b/drivers/clk/meson/Makefile > > > @@ -1,6 +1,7 @@ > > > # SPDX-License-Identifier: GPL-2.0-only > > > # Amlogic clock drivers > > > > > > +obj-$(CONFIG_COMMON_CLK_MESON_CLKC) += meson-clkc.o > > > obj-$(CONFIG_COMMON_CLK_MESON_AO_CLKC) += meson-aoclk.o > > > obj-$(CONFIG_COMMON_CLK_MESON_CPU_DYNDIV) += clk-cpu-dyndiv.o > > > obj-$(CONFIG_COMMON_CLK_MESON_DUALDIV) += clk-dualdiv.o > > > diff --git a/drivers/clk/meson/meson-clkc.c b/drivers/clk/meson/meson-clkc.c > > > new file mode 100644 > > > index 000000000000..fa98b9d09011 > > > --- /dev/null > > > +++ b/drivers/clk/meson/meson-clkc.c > > > @@ -0,0 +1,25 @@ > > > +// SPDX-License-Identifier: GPL-2.0+ > > > +/* > > > + * Copyright (c) 2023 Neil Armstrong <neil.armstrong@linaro.org> > > > + */ > > > + > > > +#include <linux/of_device.h> > > > +#include <linux/clk-provider.h> > > > +#include <linux/module.h> > > > +#include "meson-clkc.h" > > > + > > > +struct clk_hw *meson_clk_hw_get(struct of_phandle_args *clkspec, void *clk_hw_data) > > > +{ > > > + const struct meson_clk_hw_data *data = clk_hw_data; > > > + unsigned int idx = clkspec->args[0]; > > > + > > > + if (idx >= data->num) { > > > + pr_err("%s: invalid index %u\n", __func__, idx); > > > + return ERR_PTR(-EINVAL); > > > + } > > > + > > > + return data->hws[idx]; > > > +} > > > +EXPORT_SYMBOL_GPL(meson_clk_hw_get); > > > + > > > +MODULE_LICENSE("GPL v2"); > > > diff --git a/drivers/clk/meson/meson-clkc.h b/drivers/clk/meson/meson-clkc.h > > > new file mode 100644 > > > index 000000000000..e3bad2aa17eb > > > --- /dev/null > > > +++ b/drivers/clk/meson/meson-clkc.h > > > @@ -0,0 +1,19 @@ > > > +/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */ > > > +/* > > > + * Copyright (c) 2023 Neil Armstrong <neil.armstrong@linaro.org> > > > + */ > > > + > > > +#ifndef __MESON_HW_CLKC_H__ > > > +#define __MESON_HW_CLKC_H__ > > > + > > > +#include <linux/of_device.h> > > > +#include <linux/clk-provider.h> > > > + > > > +struct meson_clk_hw_data { > > > + struct clk_hw **hws; > > > + unsigned int num; > > > +}; > > > + > > > +struct clk_hw *meson_clk_hw_get(struct of_phandle_args *clkspec, void *clk_hw_data); > > > + > > > +#endif > > > ===================================><============================================================================ > > > > > > If it's ok I'll send a v2 using this. > > > > > > Thanks, > > > Neil > > > > In addition, I propose consolidating the probe() routine of the a1 > > clocks into a common part, which can be utilized for s4 and other > > similar clocks. This solution was presented in the early a1 review > > stages of this patch set. > > > > https://lore.kernel.org/linux-amlogic/20221201225703.6507-7-ddrokosov@sberdevices.ru/ > > > > Maybe, it can be generalized for the all meson clock controller drivers. > > > > Sure, the goal of that is to get rid of NR_CLKS & private IDS only, > then yes afterwards any common clkc function will be welcome ! > > Neil > Understood, I fully endorse and support this approach!
On Thu 08 Jun 2023 at 14:53, Neil Armstrong <neil.armstrong@linaro.org> wrote: > On 08/06/2023 14:45, Jerome Brunet wrote: >>> +struct meson_a1_pll_clks { >>> + struct clk_hw **hw_clks; >>> + unsigned int hw_clk_num; >>> +}; >>> + >>> +static struct meson_a1_pll_clks a1_pll_clks = { >>> + .hw_clks = a1_pll_hw_clks, >>> + .hw_clk_num = ARRAY_SIZE(a1_pll_hw_clks), >>> +}; >>> + >>> +static struct clk_hw *meson_a1_pll_hw_get(struct of_phandle_args *clkspec, void *clk_data) >>> +{ >>> + const struct meson_a1_pll_clks *data = clk_data; >>> + unsigned int idx = clkspec->args[0]; >>> + >>> + if (idx >= data->hw_clk_num) { >>> + pr_err("%s: invalid index %u\n", __func__, idx); >>> + return ERR_PTR(-EINVAL); >>> + } >>> + >>> + return data->hw_clks[idx]; >>> +} >> I'd prefer to have a single struct type and and single custom >> callback for the different SoC please. > > Sure, I've written a common code for that, but I have a hard time finding > a proper naming for it... so I choosed meson-clkc since it could have > more common helper code for duplicated code over the clk driver: Agreed. meson-clkc-utils maybe ? > > ===================================><============================================================================ > diff --git a/drivers/clk/meson/Kconfig b/drivers/clk/meson/Kconfig > index 8ce846fdbe43..9070dcfd9e71 100644 > --- a/drivers/clk/meson/Kconfig > +++ b/drivers/clk/meson/Kconfig > @@ -30,6 +30,9 @@ config COMMON_CLK_MESON_VID_PLL_DIV > tristate > select COMMON_CLK_MESON_REGMAP > > +config COMMON_CLK_MESON_CLKC > + tristate > + > config COMMON_CLK_MESON_AO_CLKC > tristate > select COMMON_CLK_MESON_REGMAP > diff --git a/drivers/clk/meson/Makefile b/drivers/clk/meson/Makefile > index d5288662881d..13c6db466986 100644 > --- a/drivers/clk/meson/Makefile > +++ b/drivers/clk/meson/Makefile > @@ -1,6 +1,7 @@ > # SPDX-License-Identifier: GPL-2.0-only > # Amlogic clock drivers > > +obj-$(CONFIG_COMMON_CLK_MESON_CLKC) += meson-clkc.o > obj-$(CONFIG_COMMON_CLK_MESON_AO_CLKC) += meson-aoclk.o > obj-$(CONFIG_COMMON_CLK_MESON_CPU_DYNDIV) += clk-cpu-dyndiv.o > obj-$(CONFIG_COMMON_CLK_MESON_DUALDIV) += clk-dualdiv.o > diff --git a/drivers/clk/meson/meson-clkc.c b/drivers/clk/meson/meson-clkc.c > new file mode 100644 > index 000000000000..fa98b9d09011 > --- /dev/null > +++ b/drivers/clk/meson/meson-clkc.c > @@ -0,0 +1,25 @@ > +// SPDX-License-Identifier: GPL-2.0+ > +/* > + * Copyright (c) 2023 Neil Armstrong <neil.armstrong@linaro.org> > + */ > + > +#include <linux/of_device.h> > +#include <linux/clk-provider.h> > +#include <linux/module.h> > +#include "meson-clkc.h" > + > +struct clk_hw *meson_clk_hw_get(struct of_phandle_args *clkspec, void *clk_hw_data) > +{ > + const struct meson_clk_hw_data *data = clk_hw_data; > + unsigned int idx = clkspec->args[0]; > + > + if (idx >= data->num) { > + pr_err("%s: invalid index %u\n", __func__, idx); > + return ERR_PTR(-EINVAL); > + } > + > + return data->hws[idx]; > +} > +EXPORT_SYMBOL_GPL(meson_clk_hw_get); > + > +MODULE_LICENSE("GPL v2"); > diff --git a/drivers/clk/meson/meson-clkc.h b/drivers/clk/meson/meson-clkc.h > new file mode 100644 > index 000000000000..e3bad2aa17eb > --- /dev/null > +++ b/drivers/clk/meson/meson-clkc.h > @@ -0,0 +1,19 @@ > +/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */ > +/* > + * Copyright (c) 2023 Neil Armstrong <neil.armstrong@linaro.org> > + */ > + > +#ifndef __MESON_HW_CLKC_H__ > +#define __MESON_HW_CLKC_H__ > + > +#include <linux/of_device.h> > +#include <linux/clk-provider.h> > + > +struct meson_clk_hw_data { > + struct clk_hw **hws; > + unsigned int num; > +}; > + > +struct clk_hw *meson_clk_hw_get(struct of_phandle_args *clkspec, void *clk_hw_data); > + > +#endif > ===================================><============================================================================ > > If it's ok I'll send a v2 using this. > > Thanks, > Neil
On 09/06/2023 16:30, Jerome Brunet wrote: > > On Thu 08 Jun 2023 at 14:53, Neil Armstrong <neil.armstrong@linaro.org> wrote: > >> On 08/06/2023 14:45, Jerome Brunet wrote: >>>> +struct meson_a1_pll_clks { >>>> + struct clk_hw **hw_clks; >>>> + unsigned int hw_clk_num; >>>> +}; >>>> + >>>> +static struct meson_a1_pll_clks a1_pll_clks = { >>>> + .hw_clks = a1_pll_hw_clks, >>>> + .hw_clk_num = ARRAY_SIZE(a1_pll_hw_clks), >>>> +}; >>>> + >>>> +static struct clk_hw *meson_a1_pll_hw_get(struct of_phandle_args *clkspec, void *clk_data) >>>> +{ >>>> + const struct meson_a1_pll_clks *data = clk_data; >>>> + unsigned int idx = clkspec->args[0]; >>>> + >>>> + if (idx >= data->hw_clk_num) { >>>> + pr_err("%s: invalid index %u\n", __func__, idx); >>>> + return ERR_PTR(-EINVAL); >>>> + } >>>> + >>>> + return data->hw_clks[idx]; >>>> +} >>> I'd prefer to have a single struct type and and single custom >>> callback for the different SoC please. >> >> Sure, I've written a common code for that, but I have a hard time finding >> a proper naming for it... so I choosed meson-clkc since it could have >> more common helper code for duplicated code over the clk driver: > > Agreed. meson-clkc-utils maybe ? Ack seems better Thanks Neil > >> >> ===================================><============================================================================ >> diff --git a/drivers/clk/meson/Kconfig b/drivers/clk/meson/Kconfig >> index 8ce846fdbe43..9070dcfd9e71 100644 >> --- a/drivers/clk/meson/Kconfig >> +++ b/drivers/clk/meson/Kconfig >> @@ -30,6 +30,9 @@ config COMMON_CLK_MESON_VID_PLL_DIV >> tristate >> select COMMON_CLK_MESON_REGMAP >> >> +config COMMON_CLK_MESON_CLKC >> + tristate >> + >> config COMMON_CLK_MESON_AO_CLKC >> tristate >> select COMMON_CLK_MESON_REGMAP >> diff --git a/drivers/clk/meson/Makefile b/drivers/clk/meson/Makefile >> index d5288662881d..13c6db466986 100644 >> --- a/drivers/clk/meson/Makefile >> +++ b/drivers/clk/meson/Makefile >> @@ -1,6 +1,7 @@ >> # SPDX-License-Identifier: GPL-2.0-only >> # Amlogic clock drivers >> >> +obj-$(CONFIG_COMMON_CLK_MESON_CLKC) += meson-clkc.o >> obj-$(CONFIG_COMMON_CLK_MESON_AO_CLKC) += meson-aoclk.o >> obj-$(CONFIG_COMMON_CLK_MESON_CPU_DYNDIV) += clk-cpu-dyndiv.o >> obj-$(CONFIG_COMMON_CLK_MESON_DUALDIV) += clk-dualdiv.o >> diff --git a/drivers/clk/meson/meson-clkc.c b/drivers/clk/meson/meson-clkc.c >> new file mode 100644 >> index 000000000000..fa98b9d09011 >> --- /dev/null >> +++ b/drivers/clk/meson/meson-clkc.c >> @@ -0,0 +1,25 @@ >> +// SPDX-License-Identifier: GPL-2.0+ >> +/* >> + * Copyright (c) 2023 Neil Armstrong <neil.armstrong@linaro.org> >> + */ >> + >> +#include <linux/of_device.h> >> +#include <linux/clk-provider.h> >> +#include <linux/module.h> >> +#include "meson-clkc.h" >> + >> +struct clk_hw *meson_clk_hw_get(struct of_phandle_args *clkspec, void *clk_hw_data) >> +{ >> + const struct meson_clk_hw_data *data = clk_hw_data; >> + unsigned int idx = clkspec->args[0]; >> + >> + if (idx >= data->num) { >> + pr_err("%s: invalid index %u\n", __func__, idx); >> + return ERR_PTR(-EINVAL); >> + } >> + >> + return data->hws[idx]; >> +} >> +EXPORT_SYMBOL_GPL(meson_clk_hw_get); >> + >> +MODULE_LICENSE("GPL v2"); >> diff --git a/drivers/clk/meson/meson-clkc.h b/drivers/clk/meson/meson-clkc.h >> new file mode 100644 >> index 000000000000..e3bad2aa17eb >> --- /dev/null >> +++ b/drivers/clk/meson/meson-clkc.h >> @@ -0,0 +1,19 @@ >> +/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */ >> +/* >> + * Copyright (c) 2023 Neil Armstrong <neil.armstrong@linaro.org> >> + */ >> + >> +#ifndef __MESON_HW_CLKC_H__ >> +#define __MESON_HW_CLKC_H__ >> + >> +#include <linux/of_device.h> >> +#include <linux/clk-provider.h> >> + >> +struct meson_clk_hw_data { >> + struct clk_hw **hws; >> + unsigned int num; >> +}; >> + >> +struct clk_hw *meson_clk_hw_get(struct of_phandle_args *clkspec, void *clk_hw_data); >> + >> +#endif >> ===================================><============================================================================ >> >> If it's ok I'll send a v2 using this. >> >> Thanks, >> Neil >
diff --git a/drivers/clk/meson/a1-peripherals.c b/drivers/clk/meson/a1-peripherals.c index b320134fefeb..094246cb5f6c 100644 --- a/drivers/clk/meson/a1-peripherals.c +++ b/drivers/clk/meson/a1-peripherals.c @@ -1866,165 +1866,161 @@ static MESON_GATE(rom, AXI_CLK_EN, 11); static MESON_GATE(prod_i2c, AXI_CLK_EN, 12); /* Array of all clocks registered by this provider */ -static struct clk_hw_onecell_data a1_periphs_clks = { - .hws = { - [CLKID_XTAL_IN] = &xtal_in.hw, - [CLKID_FIXPLL_IN] = &fixpll_in.hw, - [CLKID_USB_PHY_IN] = &usb_phy_in.hw, - [CLKID_USB_CTRL_IN] = &usb_ctrl_in.hw, - [CLKID_HIFIPLL_IN] = &hifipll_in.hw, - [CLKID_SYSPLL_IN] = &syspll_in.hw, - [CLKID_DDS_IN] = &dds_in.hw, - [CLKID_SYS] = &sys.hw, - [CLKID_CLKTREE] = &clktree.hw, - [CLKID_RESET_CTRL] = &reset_ctrl.hw, - [CLKID_ANALOG_CTRL] = &analog_ctrl.hw, - [CLKID_PWR_CTRL] = &pwr_ctrl.hw, - [CLKID_PAD_CTRL] = &pad_ctrl.hw, - [CLKID_SYS_CTRL] = &sys_ctrl.hw, - [CLKID_TEMP_SENSOR] = &temp_sensor.hw, - [CLKID_AM2AXI_DIV] = &am2axi_dev.hw, - [CLKID_SPICC_B] = &spicc_b.hw, - [CLKID_SPICC_A] = &spicc_a.hw, - [CLKID_MSR] = &msr.hw, - [CLKID_AUDIO] = &audio.hw, - [CLKID_JTAG_CTRL] = &jtag_ctrl.hw, - [CLKID_SARADC_EN] = &saradc_en.hw, - [CLKID_PWM_EF] = &pwm_ef.hw, - [CLKID_PWM_CD] = &pwm_cd.hw, - [CLKID_PWM_AB] = &pwm_ab.hw, - [CLKID_CEC] = &cec.hw, - [CLKID_I2C_S] = &i2c_s.hw, - [CLKID_IR_CTRL] = &ir_ctrl.hw, - [CLKID_I2C_M_D] = &i2c_m_d.hw, - [CLKID_I2C_M_C] = &i2c_m_c.hw, - [CLKID_I2C_M_B] = &i2c_m_b.hw, - [CLKID_I2C_M_A] = &i2c_m_a.hw, - [CLKID_ACODEC] = &acodec.hw, - [CLKID_OTP] = &otp.hw, - [CLKID_SD_EMMC_A] = &sd_emmc_a.hw, - [CLKID_USB_PHY] = &usb_phy.hw, - [CLKID_USB_CTRL] = &usb_ctrl.hw, - [CLKID_SYS_DSPB] = &sys_dspb.hw, - [CLKID_SYS_DSPA] = &sys_dspa.hw, - [CLKID_DMA] = &dma.hw, - [CLKID_IRQ_CTRL] = &irq_ctrl.hw, - [CLKID_NIC] = &nic.hw, - [CLKID_GIC] = &gic.hw, - [CLKID_UART_C] = &uart_c.hw, - [CLKID_UART_B] = &uart_b.hw, - [CLKID_UART_A] = &uart_a.hw, - [CLKID_SYS_PSRAM] = &sys_psram.hw, - [CLKID_RSA] = &rsa.hw, - [CLKID_CORESIGHT] = &coresight.hw, - [CLKID_AM2AXI_VAD] = &am2axi_vad.hw, - [CLKID_AUDIO_VAD] = &audio_vad.hw, - [CLKID_AXI_DMC] = &axi_dmc.hw, - [CLKID_AXI_PSRAM] = &axi_psram.hw, - [CLKID_RAMB] = &ramb.hw, - [CLKID_RAMA] = &rama.hw, - [CLKID_AXI_SPIFC] = &axi_spifc.hw, - [CLKID_AXI_NIC] = &axi_nic.hw, - [CLKID_AXI_DMA] = &axi_dma.hw, - [CLKID_CPU_CTRL] = &cpu_ctrl.hw, - [CLKID_ROM] = &rom.hw, - [CLKID_PROC_I2C] = &prod_i2c.hw, - [CLKID_DSPA_SEL] = &dspa_sel.hw, - [CLKID_DSPB_SEL] = &dspb_sel.hw, - [CLKID_DSPA_EN] = &dspa_en.hw, - [CLKID_DSPA_EN_NIC] = &dspa_en_nic.hw, - [CLKID_DSPB_EN] = &dspb_en.hw, - [CLKID_DSPB_EN_NIC] = &dspb_en_nic.hw, - [CLKID_RTC] = &rtc.hw, - [CLKID_CECA_32K] = &ceca_32k_out.hw, - [CLKID_CECB_32K] = &cecb_32k_out.hw, - [CLKID_24M] = &clk_24m.hw, - [CLKID_12M] = &clk_12m.hw, - [CLKID_FCLK_DIV2_DIVN] = &fclk_div2_divn.hw, - [CLKID_GEN] = &gen.hw, - [CLKID_SARADC_SEL] = &saradc_sel.hw, - [CLKID_SARADC] = &saradc.hw, - [CLKID_PWM_A] = &pwm_a.hw, - [CLKID_PWM_B] = &pwm_b.hw, - [CLKID_PWM_C] = &pwm_c.hw, - [CLKID_PWM_D] = &pwm_d.hw, - [CLKID_PWM_E] = &pwm_e.hw, - [CLKID_PWM_F] = &pwm_f.hw, - [CLKID_SPICC] = &spicc.hw, - [CLKID_TS] = &ts.hw, - [CLKID_SPIFC] = &spifc.hw, - [CLKID_USB_BUS] = &usb_bus.hw, - [CLKID_SD_EMMC] = &sd_emmc.hw, - [CLKID_PSRAM] = &psram.hw, - [CLKID_DMC] = &dmc.hw, - [CLKID_SYS_A_SEL] = &sys_a_sel.hw, - [CLKID_SYS_A_DIV] = &sys_a_div.hw, - [CLKID_SYS_A] = &sys_a.hw, - [CLKID_SYS_B_SEL] = &sys_b_sel.hw, - [CLKID_SYS_B_DIV] = &sys_b_div.hw, - [CLKID_SYS_B] = &sys_b.hw, - [CLKID_DSPA_A_SEL] = &dspa_a_sel.hw, - [CLKID_DSPA_A_DIV] = &dspa_a_div.hw, - [CLKID_DSPA_A] = &dspa_a.hw, - [CLKID_DSPA_B_SEL] = &dspa_b_sel.hw, - [CLKID_DSPA_B_DIV] = &dspa_b_div.hw, - [CLKID_DSPA_B] = &dspa_b.hw, - [CLKID_DSPB_A_SEL] = &dspb_a_sel.hw, - [CLKID_DSPB_A_DIV] = &dspb_a_div.hw, - [CLKID_DSPB_A] = &dspb_a.hw, - [CLKID_DSPB_B_SEL] = &dspb_b_sel.hw, - [CLKID_DSPB_B_DIV] = &dspb_b_div.hw, - [CLKID_DSPB_B] = &dspb_b.hw, - [CLKID_RTC_32K_IN] = &rtc_32k_in.hw, - [CLKID_RTC_32K_DIV] = &rtc_32k_div.hw, - [CLKID_RTC_32K_XTAL] = &rtc_32k_xtal.hw, - [CLKID_RTC_32K_SEL] = &rtc_32k_sel.hw, - [CLKID_CECB_32K_IN] = &cecb_32k_in.hw, - [CLKID_CECB_32K_DIV] = &cecb_32k_div.hw, - [CLKID_CECB_32K_SEL_PRE] = &cecb_32k_sel_pre.hw, - [CLKID_CECB_32K_SEL] = &cecb_32k_sel.hw, - [CLKID_CECA_32K_IN] = &ceca_32k_in.hw, - [CLKID_CECA_32K_DIV] = &ceca_32k_div.hw, - [CLKID_CECA_32K_SEL_PRE] = &ceca_32k_sel_pre.hw, - [CLKID_CECA_32K_SEL] = &ceca_32k_sel.hw, - [CLKID_DIV2_PRE] = &fclk_div2_divn_pre.hw, - [CLKID_24M_DIV2] = &clk_24m_div2.hw, - [CLKID_GEN_SEL] = &gen_sel.hw, - [CLKID_GEN_DIV] = &gen_div.hw, - [CLKID_SARADC_DIV] = &saradc_div.hw, - [CLKID_PWM_A_SEL] = &pwm_a_sel.hw, - [CLKID_PWM_A_DIV] = &pwm_a_div.hw, - [CLKID_PWM_B_SEL] = &pwm_b_sel.hw, - [CLKID_PWM_B_DIV] = &pwm_b_div.hw, - [CLKID_PWM_C_SEL] = &pwm_c_sel.hw, - [CLKID_PWM_C_DIV] = &pwm_c_div.hw, - [CLKID_PWM_D_SEL] = &pwm_d_sel.hw, - [CLKID_PWM_D_DIV] = &pwm_d_div.hw, - [CLKID_PWM_E_SEL] = &pwm_e_sel.hw, - [CLKID_PWM_E_DIV] = &pwm_e_div.hw, - [CLKID_PWM_F_SEL] = &pwm_f_sel.hw, - [CLKID_PWM_F_DIV] = &pwm_f_div.hw, - [CLKID_SPICC_SEL] = &spicc_sel.hw, - [CLKID_SPICC_DIV] = &spicc_div.hw, - [CLKID_SPICC_SEL2] = &spicc_sel2.hw, - [CLKID_TS_DIV] = &ts_div.hw, - [CLKID_SPIFC_SEL] = &spifc_sel.hw, - [CLKID_SPIFC_DIV] = &spifc_div.hw, - [CLKID_SPIFC_SEL2] = &spifc_sel2.hw, - [CLKID_USB_BUS_SEL] = &usb_bus_sel.hw, - [CLKID_USB_BUS_DIV] = &usb_bus_div.hw, - [CLKID_SD_EMMC_SEL] = &sd_emmc_sel.hw, - [CLKID_SD_EMMC_DIV] = &sd_emmc_div.hw, - [CLKID_SD_EMMC_SEL2] = &sd_emmc_sel2.hw, - [CLKID_PSRAM_SEL] = &psram_sel.hw, - [CLKID_PSRAM_DIV] = &psram_div.hw, - [CLKID_PSRAM_SEL2] = &psram_sel2.hw, - [CLKID_DMC_SEL] = &dmc_sel.hw, - [CLKID_DMC_DIV] = &dmc_div.hw, - [CLKID_DMC_SEL2] = &dmc_sel2.hw, - [NR_CLKS] = NULL, - }, - .num = NR_CLKS, +static struct clk_hw *a1_periphs_hw_clks[] = { + [CLKID_XTAL_IN] = &xtal_in.hw, + [CLKID_FIXPLL_IN] = &fixpll_in.hw, + [CLKID_USB_PHY_IN] = &usb_phy_in.hw, + [CLKID_USB_CTRL_IN] = &usb_ctrl_in.hw, + [CLKID_HIFIPLL_IN] = &hifipll_in.hw, + [CLKID_SYSPLL_IN] = &syspll_in.hw, + [CLKID_DDS_IN] = &dds_in.hw, + [CLKID_SYS] = &sys.hw, + [CLKID_CLKTREE] = &clktree.hw, + [CLKID_RESET_CTRL] = &reset_ctrl.hw, + [CLKID_ANALOG_CTRL] = &analog_ctrl.hw, + [CLKID_PWR_CTRL] = &pwr_ctrl.hw, + [CLKID_PAD_CTRL] = &pad_ctrl.hw, + [CLKID_SYS_CTRL] = &sys_ctrl.hw, + [CLKID_TEMP_SENSOR] = &temp_sensor.hw, + [CLKID_AM2AXI_DIV] = &am2axi_dev.hw, + [CLKID_SPICC_B] = &spicc_b.hw, + [CLKID_SPICC_A] = &spicc_a.hw, + [CLKID_MSR] = &msr.hw, + [CLKID_AUDIO] = &audio.hw, + [CLKID_JTAG_CTRL] = &jtag_ctrl.hw, + [CLKID_SARADC_EN] = &saradc_en.hw, + [CLKID_PWM_EF] = &pwm_ef.hw, + [CLKID_PWM_CD] = &pwm_cd.hw, + [CLKID_PWM_AB] = &pwm_ab.hw, + [CLKID_CEC] = &cec.hw, + [CLKID_I2C_S] = &i2c_s.hw, + [CLKID_IR_CTRL] = &ir_ctrl.hw, + [CLKID_I2C_M_D] = &i2c_m_d.hw, + [CLKID_I2C_M_C] = &i2c_m_c.hw, + [CLKID_I2C_M_B] = &i2c_m_b.hw, + [CLKID_I2C_M_A] = &i2c_m_a.hw, + [CLKID_ACODEC] = &acodec.hw, + [CLKID_OTP] = &otp.hw, + [CLKID_SD_EMMC_A] = &sd_emmc_a.hw, + [CLKID_USB_PHY] = &usb_phy.hw, + [CLKID_USB_CTRL] = &usb_ctrl.hw, + [CLKID_SYS_DSPB] = &sys_dspb.hw, + [CLKID_SYS_DSPA] = &sys_dspa.hw, + [CLKID_DMA] = &dma.hw, + [CLKID_IRQ_CTRL] = &irq_ctrl.hw, + [CLKID_NIC] = &nic.hw, + [CLKID_GIC] = &gic.hw, + [CLKID_UART_C] = &uart_c.hw, + [CLKID_UART_B] = &uart_b.hw, + [CLKID_UART_A] = &uart_a.hw, + [CLKID_SYS_PSRAM] = &sys_psram.hw, + [CLKID_RSA] = &rsa.hw, + [CLKID_CORESIGHT] = &coresight.hw, + [CLKID_AM2AXI_VAD] = &am2axi_vad.hw, + [CLKID_AUDIO_VAD] = &audio_vad.hw, + [CLKID_AXI_DMC] = &axi_dmc.hw, + [CLKID_AXI_PSRAM] = &axi_psram.hw, + [CLKID_RAMB] = &ramb.hw, + [CLKID_RAMA] = &rama.hw, + [CLKID_AXI_SPIFC] = &axi_spifc.hw, + [CLKID_AXI_NIC] = &axi_nic.hw, + [CLKID_AXI_DMA] = &axi_dma.hw, + [CLKID_CPU_CTRL] = &cpu_ctrl.hw, + [CLKID_ROM] = &rom.hw, + [CLKID_PROC_I2C] = &prod_i2c.hw, + [CLKID_DSPA_SEL] = &dspa_sel.hw, + [CLKID_DSPB_SEL] = &dspb_sel.hw, + [CLKID_DSPA_EN] = &dspa_en.hw, + [CLKID_DSPA_EN_NIC] = &dspa_en_nic.hw, + [CLKID_DSPB_EN] = &dspb_en.hw, + [CLKID_DSPB_EN_NIC] = &dspb_en_nic.hw, + [CLKID_RTC] = &rtc.hw, + [CLKID_CECA_32K] = &ceca_32k_out.hw, + [CLKID_CECB_32K] = &cecb_32k_out.hw, + [CLKID_24M] = &clk_24m.hw, + [CLKID_12M] = &clk_12m.hw, + [CLKID_FCLK_DIV2_DIVN] = &fclk_div2_divn.hw, + [CLKID_GEN] = &gen.hw, + [CLKID_SARADC_SEL] = &saradc_sel.hw, + [CLKID_SARADC] = &saradc.hw, + [CLKID_PWM_A] = &pwm_a.hw, + [CLKID_PWM_B] = &pwm_b.hw, + [CLKID_PWM_C] = &pwm_c.hw, + [CLKID_PWM_D] = &pwm_d.hw, + [CLKID_PWM_E] = &pwm_e.hw, + [CLKID_PWM_F] = &pwm_f.hw, + [CLKID_SPICC] = &spicc.hw, + [CLKID_TS] = &ts.hw, + [CLKID_SPIFC] = &spifc.hw, + [CLKID_USB_BUS] = &usb_bus.hw, + [CLKID_SD_EMMC] = &sd_emmc.hw, + [CLKID_PSRAM] = &psram.hw, + [CLKID_DMC] = &dmc.hw, + [CLKID_SYS_A_SEL] = &sys_a_sel.hw, + [CLKID_SYS_A_DIV] = &sys_a_div.hw, + [CLKID_SYS_A] = &sys_a.hw, + [CLKID_SYS_B_SEL] = &sys_b_sel.hw, + [CLKID_SYS_B_DIV] = &sys_b_div.hw, + [CLKID_SYS_B] = &sys_b.hw, + [CLKID_DSPA_A_SEL] = &dspa_a_sel.hw, + [CLKID_DSPA_A_DIV] = &dspa_a_div.hw, + [CLKID_DSPA_A] = &dspa_a.hw, + [CLKID_DSPA_B_SEL] = &dspa_b_sel.hw, + [CLKID_DSPA_B_DIV] = &dspa_b_div.hw, + [CLKID_DSPA_B] = &dspa_b.hw, + [CLKID_DSPB_A_SEL] = &dspb_a_sel.hw, + [CLKID_DSPB_A_DIV] = &dspb_a_div.hw, + [CLKID_DSPB_A] = &dspb_a.hw, + [CLKID_DSPB_B_SEL] = &dspb_b_sel.hw, + [CLKID_DSPB_B_DIV] = &dspb_b_div.hw, + [CLKID_DSPB_B] = &dspb_b.hw, + [CLKID_RTC_32K_IN] = &rtc_32k_in.hw, + [CLKID_RTC_32K_DIV] = &rtc_32k_div.hw, + [CLKID_RTC_32K_XTAL] = &rtc_32k_xtal.hw, + [CLKID_RTC_32K_SEL] = &rtc_32k_sel.hw, + [CLKID_CECB_32K_IN] = &cecb_32k_in.hw, + [CLKID_CECB_32K_DIV] = &cecb_32k_div.hw, + [CLKID_CECB_32K_SEL_PRE] = &cecb_32k_sel_pre.hw, + [CLKID_CECB_32K_SEL] = &cecb_32k_sel.hw, + [CLKID_CECA_32K_IN] = &ceca_32k_in.hw, + [CLKID_CECA_32K_DIV] = &ceca_32k_div.hw, + [CLKID_CECA_32K_SEL_PRE] = &ceca_32k_sel_pre.hw, + [CLKID_CECA_32K_SEL] = &ceca_32k_sel.hw, + [CLKID_DIV2_PRE] = &fclk_div2_divn_pre.hw, + [CLKID_24M_DIV2] = &clk_24m_div2.hw, + [CLKID_GEN_SEL] = &gen_sel.hw, + [CLKID_GEN_DIV] = &gen_div.hw, + [CLKID_SARADC_DIV] = &saradc_div.hw, + [CLKID_PWM_A_SEL] = &pwm_a_sel.hw, + [CLKID_PWM_A_DIV] = &pwm_a_div.hw, + [CLKID_PWM_B_SEL] = &pwm_b_sel.hw, + [CLKID_PWM_B_DIV] = &pwm_b_div.hw, + [CLKID_PWM_C_SEL] = &pwm_c_sel.hw, + [CLKID_PWM_C_DIV] = &pwm_c_div.hw, + [CLKID_PWM_D_SEL] = &pwm_d_sel.hw, + [CLKID_PWM_D_DIV] = &pwm_d_div.hw, + [CLKID_PWM_E_SEL] = &pwm_e_sel.hw, + [CLKID_PWM_E_DIV] = &pwm_e_div.hw, + [CLKID_PWM_F_SEL] = &pwm_f_sel.hw, + [CLKID_PWM_F_DIV] = &pwm_f_div.hw, + [CLKID_SPICC_SEL] = &spicc_sel.hw, + [CLKID_SPICC_DIV] = &spicc_div.hw, + [CLKID_SPICC_SEL2] = &spicc_sel2.hw, + [CLKID_TS_DIV] = &ts_div.hw, + [CLKID_SPIFC_SEL] = &spifc_sel.hw, + [CLKID_SPIFC_DIV] = &spifc_div.hw, + [CLKID_SPIFC_SEL2] = &spifc_sel2.hw, + [CLKID_USB_BUS_SEL] = &usb_bus_sel.hw, + [CLKID_USB_BUS_DIV] = &usb_bus_div.hw, + [CLKID_SD_EMMC_SEL] = &sd_emmc_sel.hw, + [CLKID_SD_EMMC_DIV] = &sd_emmc_div.hw, + [CLKID_SD_EMMC_SEL2] = &sd_emmc_sel2.hw, + [CLKID_PSRAM_SEL] = &psram_sel.hw, + [CLKID_PSRAM_DIV] = &psram_div.hw, + [CLKID_PSRAM_SEL2] = &psram_sel2.hw, + [CLKID_DMC_SEL] = &dmc_sel.hw, + [CLKID_DMC_DIV] = &dmc_div.hw, + [CLKID_DMC_SEL2] = &dmc_sel2.hw, }; /* Convenience table to populate regmap in .probe */ @@ -2190,6 +2186,29 @@ static struct regmap_config a1_periphs_regmap_cfg = { .reg_stride = 4, }; +struct meson_a1_periphs_clks { + struct clk_hw **hw_clks; + unsigned int hw_clk_num; +}; + +static struct meson_a1_periphs_clks a1_periphs_clks = { + .hw_clks = a1_periphs_hw_clks, + .hw_clk_num = ARRAY_SIZE(a1_periphs_hw_clks), +}; + +static struct clk_hw *meson_a1_periphs_hw_get(struct of_phandle_args *clkspec, void *clk_data) +{ + const struct meson_a1_periphs_clks *data = clk_data; + unsigned int idx = clkspec->args[0]; + + if (idx >= data->hw_clk_num) { + pr_err("%s: invalid index %u\n", __func__, idx); + return ERR_PTR(-EINVAL); + } + + return data->hw_clks[idx]; +} + static int meson_a1_periphs_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -2211,15 +2230,15 @@ static int meson_a1_periphs_probe(struct platform_device *pdev) for (i = 0; i < ARRAY_SIZE(a1_periphs_regmaps); i++) a1_periphs_regmaps[i]->map = map; - for (clkid = 0; clkid < a1_periphs_clks.num; clkid++) { - err = devm_clk_hw_register(dev, a1_periphs_clks.hws[clkid]); + for (clkid = 0; clkid < a1_periphs_clks.hw_clk_num; clkid++) { + err = devm_clk_hw_register(dev, a1_periphs_clks.hw_clks[clkid]); if (err) return dev_err_probe(dev, err, "clock[%d] registration failed\n", clkid); } - return devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get, + return devm_of_clk_add_hw_provider(dev, meson_a1_periphs_hw_get, &a1_periphs_clks); } diff --git a/drivers/clk/meson/a1-peripherals.h b/drivers/clk/meson/a1-peripherals.h index 526fc9ba5c9f..4d60456a95a9 100644 --- a/drivers/clk/meson/a1-peripherals.h +++ b/drivers/clk/meson/a1-peripherals.h @@ -108,6 +108,5 @@ #define CLKID_DMC_SEL 151 #define CLKID_DMC_DIV 152 #define CLKID_DMC_SEL2 153 -#define NR_CLKS 154 #endif /* __A1_PERIPHERALS_H */ diff --git a/drivers/clk/meson/a1-pll.c b/drivers/clk/meson/a1-pll.c index bd2f1d1ec6e4..25d102dc8a5d 100644 --- a/drivers/clk/meson/a1-pll.c +++ b/drivers/clk/meson/a1-pll.c @@ -268,22 +268,18 @@ static struct clk_regmap fclk_div7 = { }; /* Array of all clocks registered by this provider */ -static struct clk_hw_onecell_data a1_pll_clks = { - .hws = { - [CLKID_FIXED_PLL_DCO] = &fixed_pll_dco.hw, - [CLKID_FIXED_PLL] = &fixed_pll.hw, - [CLKID_FCLK_DIV2_DIV] = &fclk_div2_div.hw, - [CLKID_FCLK_DIV3_DIV] = &fclk_div3_div.hw, - [CLKID_FCLK_DIV5_DIV] = &fclk_div5_div.hw, - [CLKID_FCLK_DIV7_DIV] = &fclk_div7_div.hw, - [CLKID_FCLK_DIV2] = &fclk_div2.hw, - [CLKID_FCLK_DIV3] = &fclk_div3.hw, - [CLKID_FCLK_DIV5] = &fclk_div5.hw, - [CLKID_FCLK_DIV7] = &fclk_div7.hw, - [CLKID_HIFI_PLL] = &hifi_pll.hw, - [NR_PLL_CLKS] = NULL, - }, - .num = NR_PLL_CLKS, +static struct clk_hw *a1_pll_hw_clks[] = { + [CLKID_FIXED_PLL_DCO] = &fixed_pll_dco.hw, + [CLKID_FIXED_PLL] = &fixed_pll.hw, + [CLKID_FCLK_DIV2_DIV] = &fclk_div2_div.hw, + [CLKID_FCLK_DIV3_DIV] = &fclk_div3_div.hw, + [CLKID_FCLK_DIV5_DIV] = &fclk_div5_div.hw, + [CLKID_FCLK_DIV7_DIV] = &fclk_div7_div.hw, + [CLKID_FCLK_DIV2] = &fclk_div2.hw, + [CLKID_FCLK_DIV3] = &fclk_div3.hw, + [CLKID_FCLK_DIV5] = &fclk_div5.hw, + [CLKID_FCLK_DIV7] = &fclk_div7.hw, + [CLKID_HIFI_PLL] = &hifi_pll.hw, }; static struct clk_regmap *const a1_pll_regmaps[] = { @@ -302,6 +298,29 @@ static struct regmap_config a1_pll_regmap_cfg = { .reg_stride = 4, }; +struct meson_a1_pll_clks { + struct clk_hw **hw_clks; + unsigned int hw_clk_num; +}; + +static struct meson_a1_pll_clks a1_pll_clks = { + .hw_clks = a1_pll_hw_clks, + .hw_clk_num = ARRAY_SIZE(a1_pll_hw_clks), +}; + +static struct clk_hw *meson_a1_pll_hw_get(struct of_phandle_args *clkspec, void *clk_data) +{ + const struct meson_a1_pll_clks *data = clk_data; + unsigned int idx = clkspec->args[0]; + + if (idx >= data->hw_clk_num) { + pr_err("%s: invalid index %u\n", __func__, idx); + return ERR_PTR(-EINVAL); + } + + return data->hw_clks[idx]; +} + static int meson_a1_pll_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -324,15 +343,15 @@ static int meson_a1_pll_probe(struct platform_device *pdev) a1_pll_regmaps[i]->map = map; /* Register clocks */ - for (clkid = 0; clkid < a1_pll_clks.num; clkid++) { - err = devm_clk_hw_register(dev, a1_pll_clks.hws[clkid]); + for (clkid = 0; clkid < a1_pll_clks.hw_clk_num; clkid++) { + err = devm_clk_hw_register(dev, a1_pll_clks.hw_clks[clkid]); if (err) return dev_err_probe(dev, err, "clock[%d] registration failed\n", clkid); } - return devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get, + return devm_of_clk_add_hw_provider(dev, meson_a1_pll_hw_get, &a1_pll_clks); } diff --git a/drivers/clk/meson/a1-pll.h b/drivers/clk/meson/a1-pll.h index 29726651b056..82570759e6a2 100644 --- a/drivers/clk/meson/a1-pll.h +++ b/drivers/clk/meson/a1-pll.h @@ -42,6 +42,5 @@ #define CLKID_FCLK_DIV3_DIV 3 #define CLKID_FCLK_DIV5_DIV 4 #define CLKID_FCLK_DIV7_DIV 5 -#define NR_PLL_CLKS 11 #endif /* __A1_PLL_H */
The way hw_onecell_data is declared: struct clk_hw_onecell_data { unsigned int num; struct clk_hw *hws[]; }; makes it impossible to have the clk_hw table declared outside while using ARRAY_SIZE() to determine ".num" due to ".hws" being a flexible array member. Completely move out of hw_onecell_data and add a custom devm_of_clk_add_hw_provider() "get" callback to retrieve the clk_hw in order to finally get rid on the NR_CLKS define. Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> --- drivers/clk/meson/a1-peripherals.c | 343 +++++++++++++++++++------------------ drivers/clk/meson/a1-peripherals.h | 1 - drivers/clk/meson/a1-pll.c | 57 ++++-- drivers/clk/meson/a1-pll.h | 1 - 4 files changed, 219 insertions(+), 183 deletions(-)