From: Alain Volmat <avolmat@me.com> To: Michael Turquette <mturquette@baylibre.com>, Stephen Boyd <sboyd@kernel.org>, Rob Herring <robh+dt@kernel.org>, Patrice Chotard <patrice.chotard@foss.st.com> Cc: Lee Jones <lee.jones@linaro.org>, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Alain Volmat <avolmat@me.com> Subject: [PATCH v2 06/16] clk: st: clkgen-fsyn: embed soc clock outputs within compatible data Date: Thu, 25 Mar 2021 08:50:08 +0100 [thread overview] Message-ID: <20210325075018.6598-7-avolmat@me.com> (raw) In-Reply-To: <20210325075018.6598-1-avolmat@me.com> In order to avoid relying on the old style description via the DT clock-output-names, add compatible data describing the flexgen outputs clocks for all STiH407/STiH410 and STiH418 SOCs. In order to ease transition between the two methods, this commit introduce the new compatible without removing the old method. Once DTs will be fixed, the method relying on DT clock-output-names will be removed from this driver as well as old compatibles. Signed-off-by: Alain Volmat <avolmat@me.com> --- v2: clk-s-c0-fs0-ch0 do not need to be CLK_IS_CRITICAL drivers/clk/st/clkgen-fsyn.c | 113 +++++++++++++++++++++++++++++++---- 1 file changed, 101 insertions(+), 12 deletions(-) diff --git a/drivers/clk/st/clkgen-fsyn.c b/drivers/clk/st/clkgen-fsyn.c index dd6062e043e0..164285d6be97 100644 --- a/drivers/clk/st/clkgen-fsyn.c +++ b/drivers/clk/st/clkgen-fsyn.c @@ -66,6 +66,16 @@ struct clkgen_quadfs_data { unsigned long *); }; +struct clkgen_clk_out { + const char *name; + unsigned long flags; +}; + +struct clkgen_quadfs_data_clks { + struct clkgen_quadfs_data *data; + const struct clkgen_clk_out *outputs; +}; + static const struct clk_ops st_quadfs_pll_c32_ops; static int clk_fs660c32_dig_get_params(unsigned long input, @@ -115,6 +125,18 @@ static const struct clkgen_quadfs_data st_fs660c32_C = { .get_rate = clk_fs660c32_dig_get_rate, }; +static const struct clkgen_clk_out st_fs660c32_C_clks[] = { + { .name = "clk-s-c0-fs0-ch0", }, + { .name = "clk-s-c0-fs0-ch1", }, + { .name = "clk-s-c0-fs0-ch2", }, + { .name = "clk-s-c0-fs0-ch3", }, +}; + +static const struct clkgen_quadfs_data_clks st_fs660c32_C_data = { + .data = (struct clkgen_quadfs_data *)&st_fs660c32_C, + .outputs = st_fs660c32_C_clks, +}; + static const struct clkgen_quadfs_data st_fs660c32_D = { .nrst_present = true, .nrst = { CLKGEN_FIELD(0x2a0, 0x1, 0), @@ -156,6 +178,46 @@ static const struct clkgen_quadfs_data st_fs660c32_D = { .get_params = clk_fs660c32_dig_get_params, .get_rate = clk_fs660c32_dig_get_rate,}; +static const struct clkgen_quadfs_data_clks st_fs660c32_D_data = { + .data = (struct clkgen_quadfs_data *)&st_fs660c32_D, +}; + +static const struct clkgen_clk_out st_fs660c32_D0_clks[] = { + { .name = "clk-s-d0-fs0-ch0", }, + { .name = "clk-s-d0-fs0-ch1", }, + { .name = "clk-s-d0-fs0-ch2", }, + { .name = "clk-s-d0-fs0-ch3", }, +}; + +static const struct clkgen_quadfs_data_clks st_fs660c32_D0_data = { + .data = (struct clkgen_quadfs_data *)&st_fs660c32_D, + .outputs = st_fs660c32_D0_clks, +}; + +static const struct clkgen_clk_out st_fs660c32_D2_clks[] = { + { .name = "clk-s-d2-fs0-ch0", }, + { .name = "clk-s-d2-fs0-ch1", }, + { .name = "clk-s-d2-fs0-ch2", }, + { .name = "clk-s-d2-fs0-ch3", }, +}; + +static const struct clkgen_quadfs_data_clks st_fs660c32_D2_data = { + .data = (struct clkgen_quadfs_data *)&st_fs660c32_D, + .outputs = st_fs660c32_D2_clks, +}; + +static const struct clkgen_clk_out st_fs660c32_D3_clks[] = { + { .name = "clk-s-d3-fs0-ch0", }, + { .name = "clk-s-d3-fs0-ch1", }, + { .name = "clk-s-d3-fs0-ch2", }, + { .name = "clk-s-d3-fs0-ch3", }, +}; + +static const struct clkgen_quadfs_data_clks st_fs660c32_D3_data = { + .data = (struct clkgen_quadfs_data *)&st_fs660c32_D, + .outputs = st_fs660c32_D3_clks, +}; + /** * DOC: A Frequency Synthesizer that multiples its input clock by a fixed factor * @@ -857,7 +919,7 @@ static struct clk * __init st_clk_register_quadfs_fsynth( static void __init st_of_create_quadfs_fsynths( struct device_node *np, const char *pll_name, - struct clkgen_quadfs_data *quadfs, void __iomem *reg, + struct clkgen_quadfs_data_clks *quadfs, void __iomem *reg, spinlock_t *lock) { struct clk_onecell_data *clk_data; @@ -881,9 +943,15 @@ static void __init st_of_create_quadfs_fsynths( const char *clk_name; unsigned long flags = 0; - if (of_property_read_string_index(np, "clock-output-names", - fschan, &clk_name)) { - break; + if (quadfs->outputs) { + clk_name = quadfs->outputs[fschan].name; + flags = quadfs->outputs[fschan].flags; + } else { + if (of_property_read_string_index(np, + "clock-output-names", + fschan, &clk_name)) + break; + of_clk_detect_critical(np, fschan, &flags); } /* @@ -892,10 +960,8 @@ static void __init st_of_create_quadfs_fsynths( if (*clk_name == '\0') continue; - of_clk_detect_critical(np, fschan, &flags); - clk = st_clk_register_quadfs_fsynth(clk_name, pll_name, - quadfs, reg, fschan, + quadfs->data, reg, fschan, flags, lock); /* @@ -915,7 +981,7 @@ static void __init st_of_create_quadfs_fsynths( } static void __init st_of_quadfs_setup(struct device_node *np, - struct clkgen_quadfs_data *data) + struct clkgen_quadfs_data_clks *datac) { struct clk *clk; const char *pll_name, *clk_parent_name; @@ -940,7 +1006,7 @@ static void __init st_of_quadfs_setup(struct device_node *np, spin_lock_init(lock); - clk = st_clk_register_quadfs_pll(pll_name, clk_parent_name, data, + clk = st_clk_register_quadfs_pll(pll_name, clk_parent_name, datac->data, reg, lock); if (IS_ERR(clk)) goto err_exit; @@ -950,7 +1016,7 @@ static void __init st_of_quadfs_setup(struct device_node *np, __clk_get_name(clk_get_parent(clk)), (unsigned int)clk_get_rate(clk)); - st_of_create_quadfs_fsynths(np, pll_name, data, reg, lock); + st_of_create_quadfs_fsynths(np, pll_name, datac, reg, lock); err_exit: kfree(pll_name); /* No longer need local copy of the PLL name */ @@ -958,12 +1024,35 @@ static void __init st_of_quadfs_setup(struct device_node *np, static void __init st_of_quadfs660C_setup(struct device_node *np) { - st_of_quadfs_setup(np, (struct clkgen_quadfs_data *) &st_fs660c32_C); + st_of_quadfs_setup(np, + (struct clkgen_quadfs_data_clks *) &st_fs660c32_C_data); } CLK_OF_DECLARE(quadfs660C, "st,quadfs-pll", st_of_quadfs660C_setup); static void __init st_of_quadfs660D_setup(struct device_node *np) { - st_of_quadfs_setup(np, (struct clkgen_quadfs_data *) &st_fs660c32_D); + st_of_quadfs_setup(np, + (struct clkgen_quadfs_data_clks *) &st_fs660c32_D_data); } CLK_OF_DECLARE(quadfs660D, "st,quadfs", st_of_quadfs660D_setup); + +static void __init st_of_quadfs660D0_setup(struct device_node *np) +{ + st_of_quadfs_setup(np, + (struct clkgen_quadfs_data_clks *) &st_fs660c32_D0_data); +} +CLK_OF_DECLARE(quadfs660D0, "st,quadfs-d0", st_of_quadfs660D0_setup); + +static void __init st_of_quadfs660D2_setup(struct device_node *np) +{ + st_of_quadfs_setup(np, + (struct clkgen_quadfs_data_clks *) &st_fs660c32_D2_data); +} +CLK_OF_DECLARE(quadfs660D2, "st,quadfs-d2", st_of_quadfs660D2_setup); + +static void __init st_of_quadfs660D3_setup(struct device_node *np) +{ + st_of_quadfs_setup(np, + (struct clkgen_quadfs_data_clks *) &st_fs660c32_D3_data); +} +CLK_OF_DECLARE(quadfs660D3, "st,quadfs-d3", st_of_quadfs660D3_setup); -- 2.17.1
WARNING: multiple messages have this Message-ID (diff)
From: Alain Volmat <avolmat@me.com> To: Michael Turquette <mturquette@baylibre.com>, Stephen Boyd <sboyd@kernel.org>, Rob Herring <robh+dt@kernel.org>, Patrice Chotard <patrice.chotard@foss.st.com> Cc: Lee Jones <lee.jones@linaro.org>, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Alain Volmat <avolmat@me.com> Subject: [PATCH v2 06/16] clk: st: clkgen-fsyn: embed soc clock outputs within compatible data Date: Thu, 25 Mar 2021 08:50:08 +0100 [thread overview] Message-ID: <20210325075018.6598-7-avolmat@me.com> (raw) In-Reply-To: <20210325075018.6598-1-avolmat@me.com> In order to avoid relying on the old style description via the DT clock-output-names, add compatible data describing the flexgen outputs clocks for all STiH407/STiH410 and STiH418 SOCs. In order to ease transition between the two methods, this commit introduce the new compatible without removing the old method. Once DTs will be fixed, the method relying on DT clock-output-names will be removed from this driver as well as old compatibles. Signed-off-by: Alain Volmat <avolmat@me.com> --- v2: clk-s-c0-fs0-ch0 do not need to be CLK_IS_CRITICAL drivers/clk/st/clkgen-fsyn.c | 113 +++++++++++++++++++++++++++++++---- 1 file changed, 101 insertions(+), 12 deletions(-) diff --git a/drivers/clk/st/clkgen-fsyn.c b/drivers/clk/st/clkgen-fsyn.c index dd6062e043e0..164285d6be97 100644 --- a/drivers/clk/st/clkgen-fsyn.c +++ b/drivers/clk/st/clkgen-fsyn.c @@ -66,6 +66,16 @@ struct clkgen_quadfs_data { unsigned long *); }; +struct clkgen_clk_out { + const char *name; + unsigned long flags; +}; + +struct clkgen_quadfs_data_clks { + struct clkgen_quadfs_data *data; + const struct clkgen_clk_out *outputs; +}; + static const struct clk_ops st_quadfs_pll_c32_ops; static int clk_fs660c32_dig_get_params(unsigned long input, @@ -115,6 +125,18 @@ static const struct clkgen_quadfs_data st_fs660c32_C = { .get_rate = clk_fs660c32_dig_get_rate, }; +static const struct clkgen_clk_out st_fs660c32_C_clks[] = { + { .name = "clk-s-c0-fs0-ch0", }, + { .name = "clk-s-c0-fs0-ch1", }, + { .name = "clk-s-c0-fs0-ch2", }, + { .name = "clk-s-c0-fs0-ch3", }, +}; + +static const struct clkgen_quadfs_data_clks st_fs660c32_C_data = { + .data = (struct clkgen_quadfs_data *)&st_fs660c32_C, + .outputs = st_fs660c32_C_clks, +}; + static const struct clkgen_quadfs_data st_fs660c32_D = { .nrst_present = true, .nrst = { CLKGEN_FIELD(0x2a0, 0x1, 0), @@ -156,6 +178,46 @@ static const struct clkgen_quadfs_data st_fs660c32_D = { .get_params = clk_fs660c32_dig_get_params, .get_rate = clk_fs660c32_dig_get_rate,}; +static const struct clkgen_quadfs_data_clks st_fs660c32_D_data = { + .data = (struct clkgen_quadfs_data *)&st_fs660c32_D, +}; + +static const struct clkgen_clk_out st_fs660c32_D0_clks[] = { + { .name = "clk-s-d0-fs0-ch0", }, + { .name = "clk-s-d0-fs0-ch1", }, + { .name = "clk-s-d0-fs0-ch2", }, + { .name = "clk-s-d0-fs0-ch3", }, +}; + +static const struct clkgen_quadfs_data_clks st_fs660c32_D0_data = { + .data = (struct clkgen_quadfs_data *)&st_fs660c32_D, + .outputs = st_fs660c32_D0_clks, +}; + +static const struct clkgen_clk_out st_fs660c32_D2_clks[] = { + { .name = "clk-s-d2-fs0-ch0", }, + { .name = "clk-s-d2-fs0-ch1", }, + { .name = "clk-s-d2-fs0-ch2", }, + { .name = "clk-s-d2-fs0-ch3", }, +}; + +static const struct clkgen_quadfs_data_clks st_fs660c32_D2_data = { + .data = (struct clkgen_quadfs_data *)&st_fs660c32_D, + .outputs = st_fs660c32_D2_clks, +}; + +static const struct clkgen_clk_out st_fs660c32_D3_clks[] = { + { .name = "clk-s-d3-fs0-ch0", }, + { .name = "clk-s-d3-fs0-ch1", }, + { .name = "clk-s-d3-fs0-ch2", }, + { .name = "clk-s-d3-fs0-ch3", }, +}; + +static const struct clkgen_quadfs_data_clks st_fs660c32_D3_data = { + .data = (struct clkgen_quadfs_data *)&st_fs660c32_D, + .outputs = st_fs660c32_D3_clks, +}; + /** * DOC: A Frequency Synthesizer that multiples its input clock by a fixed factor * @@ -857,7 +919,7 @@ static struct clk * __init st_clk_register_quadfs_fsynth( static void __init st_of_create_quadfs_fsynths( struct device_node *np, const char *pll_name, - struct clkgen_quadfs_data *quadfs, void __iomem *reg, + struct clkgen_quadfs_data_clks *quadfs, void __iomem *reg, spinlock_t *lock) { struct clk_onecell_data *clk_data; @@ -881,9 +943,15 @@ static void __init st_of_create_quadfs_fsynths( const char *clk_name; unsigned long flags = 0; - if (of_property_read_string_index(np, "clock-output-names", - fschan, &clk_name)) { - break; + if (quadfs->outputs) { + clk_name = quadfs->outputs[fschan].name; + flags = quadfs->outputs[fschan].flags; + } else { + if (of_property_read_string_index(np, + "clock-output-names", + fschan, &clk_name)) + break; + of_clk_detect_critical(np, fschan, &flags); } /* @@ -892,10 +960,8 @@ static void __init st_of_create_quadfs_fsynths( if (*clk_name == '\0') continue; - of_clk_detect_critical(np, fschan, &flags); - clk = st_clk_register_quadfs_fsynth(clk_name, pll_name, - quadfs, reg, fschan, + quadfs->data, reg, fschan, flags, lock); /* @@ -915,7 +981,7 @@ static void __init st_of_create_quadfs_fsynths( } static void __init st_of_quadfs_setup(struct device_node *np, - struct clkgen_quadfs_data *data) + struct clkgen_quadfs_data_clks *datac) { struct clk *clk; const char *pll_name, *clk_parent_name; @@ -940,7 +1006,7 @@ static void __init st_of_quadfs_setup(struct device_node *np, spin_lock_init(lock); - clk = st_clk_register_quadfs_pll(pll_name, clk_parent_name, data, + clk = st_clk_register_quadfs_pll(pll_name, clk_parent_name, datac->data, reg, lock); if (IS_ERR(clk)) goto err_exit; @@ -950,7 +1016,7 @@ static void __init st_of_quadfs_setup(struct device_node *np, __clk_get_name(clk_get_parent(clk)), (unsigned int)clk_get_rate(clk)); - st_of_create_quadfs_fsynths(np, pll_name, data, reg, lock); + st_of_create_quadfs_fsynths(np, pll_name, datac, reg, lock); err_exit: kfree(pll_name); /* No longer need local copy of the PLL name */ @@ -958,12 +1024,35 @@ static void __init st_of_quadfs_setup(struct device_node *np, static void __init st_of_quadfs660C_setup(struct device_node *np) { - st_of_quadfs_setup(np, (struct clkgen_quadfs_data *) &st_fs660c32_C); + st_of_quadfs_setup(np, + (struct clkgen_quadfs_data_clks *) &st_fs660c32_C_data); } CLK_OF_DECLARE(quadfs660C, "st,quadfs-pll", st_of_quadfs660C_setup); static void __init st_of_quadfs660D_setup(struct device_node *np) { - st_of_quadfs_setup(np, (struct clkgen_quadfs_data *) &st_fs660c32_D); + st_of_quadfs_setup(np, + (struct clkgen_quadfs_data_clks *) &st_fs660c32_D_data); } CLK_OF_DECLARE(quadfs660D, "st,quadfs", st_of_quadfs660D_setup); + +static void __init st_of_quadfs660D0_setup(struct device_node *np) +{ + st_of_quadfs_setup(np, + (struct clkgen_quadfs_data_clks *) &st_fs660c32_D0_data); +} +CLK_OF_DECLARE(quadfs660D0, "st,quadfs-d0", st_of_quadfs660D0_setup); + +static void __init st_of_quadfs660D2_setup(struct device_node *np) +{ + st_of_quadfs_setup(np, + (struct clkgen_quadfs_data_clks *) &st_fs660c32_D2_data); +} +CLK_OF_DECLARE(quadfs660D2, "st,quadfs-d2", st_of_quadfs660D2_setup); + +static void __init st_of_quadfs660D3_setup(struct device_node *np) +{ + st_of_quadfs_setup(np, + (struct clkgen_quadfs_data_clks *) &st_fs660c32_D3_data); +} +CLK_OF_DECLARE(quadfs660D3, "st,quadfs-d3", st_of_quadfs660D3_setup); -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2021-03-25 7:52 UTC|newest] Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-03-25 7:50 [PATCH v2 00/16] clk: st: embed clock outputs within drivers Alain Volmat 2021-03-25 7:50 ` Alain Volmat 2021-03-25 7:50 ` [PATCH v2 01/16] clk: st: clkgen-pll: remove used variable of struct clkgen_pll Alain Volmat 2021-03-25 7:50 ` Alain Volmat 2021-03-25 7:50 ` [PATCH v2 02/16] clk: st: flexgen: embed soc clock outputs within compatible data Alain Volmat 2021-03-25 7:50 ` Alain Volmat 2021-03-25 7:50 ` [PATCH v2 03/16] dt-bindings: clock: st: flexgen: add new introduced compatible Alain Volmat 2021-03-25 7:50 ` Alain Volmat 2021-03-27 17:43 ` Rob Herring 2021-03-27 17:43 ` Rob Herring 2021-03-25 7:50 ` [PATCH v2 04/16] clk: st: clkgen-pll: embed soc clock outputs within compatible data Alain Volmat 2021-03-25 7:50 ` Alain Volmat 2021-03-25 7:50 ` [PATCH v2 05/16] dt-bindings: clock: st: clkgen-pll: add new introduced compatible Alain Volmat 2021-03-25 7:50 ` Alain Volmat 2021-03-27 17:46 ` Rob Herring 2021-03-27 17:46 ` Rob Herring 2021-03-25 7:50 ` Alain Volmat [this message] 2021-03-25 7:50 ` [PATCH v2 06/16] clk: st: clkgen-fsyn: embed soc clock outputs within compatible data Alain Volmat 2021-03-25 7:50 ` [PATCH v2 07/16] dt-bindings: clock: st: clkgen-fsyn: add new introduced compatible Alain Volmat 2021-03-25 7:50 ` Alain Volmat 2021-03-25 7:50 ` [PATCH v2 08/16] ARM: dts: sti: update flexgen compatible within stih418-clock Alain Volmat 2021-03-25 7:50 ` Alain Volmat 2021-03-25 7:50 ` [PATCH v2 09/16] ARM: dts: sti: update flexgen compatible within stih407-clock Alain Volmat 2021-03-25 7:50 ` Alain Volmat 2021-03-25 7:50 ` [PATCH v2 10/16] ARM: dts: sti: update flexgen compatible within stih410-clock Alain Volmat 2021-03-25 7:50 ` Alain Volmat 2021-03-25 7:50 ` [PATCH v2 11/16] ARM: dts: sti: update clkgen-pll entries in stih407-clock Alain Volmat 2021-03-25 7:50 ` Alain Volmat 2021-03-25 7:50 ` [PATCH v2 12/16] ARM: dts: sti: update clkgen-pll entries in stih410-clock Alain Volmat 2021-03-25 7:50 ` Alain Volmat 2021-03-25 7:50 ` [PATCH v2 13/16] ARM: dts: sti: update clkgen-pll entries in stih418-clock Alain Volmat 2021-03-25 7:50 ` Alain Volmat 2021-03-25 7:50 ` [PATCH v2 14/16] ARM: dts: sti: update clkgen-fsyn entries in stih407-clock Alain Volmat 2021-03-25 7:50 ` Alain Volmat 2021-03-25 7:50 ` [PATCH v2 15/16] ARM: dts: sti: update clkgen-fsyn entries in stih410-clock Alain Volmat 2021-03-25 7:50 ` Alain Volmat 2021-03-25 7:50 ` [PATCH v2 16/16] ARM: dts: sti: update clkgen-fsyn entries in stih418-clock Alain Volmat 2021-03-25 7:50 ` Alain Volmat 2021-03-30 2:01 ` [PATCH v2 00/16] clk: st: embed clock outputs within drivers Stephen Boyd 2021-03-30 2:01 ` Stephen Boyd
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