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Message-ID: <7eb5e7827ab742ad795b8df37838c248251433cb.camel@mediatek.com>
Date: Tue, 15 Feb 2022 14:32:51 +0800
From: Chun-Jie Chen <chun-jie.chen@...iatek.com>
To: Chen-Yu Tsai <wenst@...omium.org>, Stephen Boyd <sboyd@...nel.org>,
Michael Turquette <mturquette@...libre.com>,
Matthias Brugger <matthias.bgg@...il.com>
CC: AngeloGioacchino Del Regno
<angelogioacchino.delregno@...labora.com>,
Miles Chen <miles.chen@...iatek.com>,
<linux-clk@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-mediatek@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 12/31] clk: mediatek: pll: Split definitions into
separate header file
On Tue, 2022-02-08 at 20:40 +0800, Chen-Yu Tsai wrote:
> When the PLL type clk was implemented in the MediaTek clk driver
> library, the data structure definitions and function declaration
> were put in the common header file.
>
> Since it is its own type of clk, and not all platform clk drivers
> utilize it, having the definitions in the common header results
> in wasted cycles during compilation.
>
> Split out the related definitions and declarations into its own
> header file, and include that only in the platform clk drivers that
> need it.
>
> Signed-off-by: Chen-Yu Tsai <wenst@...omium.org>
> Reviewed-by: Miles Chen <miles.chen@...iatek.com>
> Reviewed-by: AngeloGioacchino Del Regno <
> angelogioacchino.delregno@...labora.com>
Reviewed-by: Chun-Jie Chen <chun-jie.chen@...iatek.com>
> ---
> drivers/clk/mediatek/clk-mt2701.c | 5 +-
> drivers/clk/mediatek/clk-mt2712.c | 3 +-
> drivers/clk/mediatek/clk-mt6765.c | 3 +-
> drivers/clk/mediatek/clk-mt6779.c | 3 +-
> drivers/clk/mediatek/clk-mt6797.c | 3 +-
> drivers/clk/mediatek/clk-mt7622.c | 5 +-
> drivers/clk/mediatek/clk-mt7629.c | 5 +-
> drivers/clk/mediatek/clk-mt7986-apmixed.c | 4 +-
> drivers/clk/mediatek/clk-mt8135.c | 3 +-
> drivers/clk/mediatek/clk-mt8167.c | 3 +-
> drivers/clk/mediatek/clk-mt8173.c | 5 +-
> drivers/clk/mediatek/clk-mt8183.c | 3 +-
> drivers/clk/mediatek/clk-mt8192.c | 3 +-
> drivers/clk/mediatek/clk-mt8195-apmixedsys.c | 1 +
> drivers/clk/mediatek/clk-mt8195-apusys_pll.c | 1 +
> drivers/clk/mediatek/clk-mt8516.c | 3 +-
> drivers/clk/mediatek/clk-mtk.h | 39 --------------
> drivers/clk/mediatek/clk-pll.c | 1 +
> drivers/clk/mediatek/clk-pll.h | 55
> ++++++++++++++++++++
> 19 files changed, 91 insertions(+), 57 deletions(-)
> create mode 100644 drivers/clk/mediatek/clk-pll.h
>
> diff --git a/drivers/clk/mediatek/clk-mt2701.c
> b/drivers/clk/mediatek/clk-mt2701.c
> index 695be0f77427..1eb3e4563c3f 100644
> --- a/drivers/clk/mediatek/clk-mt2701.c
> +++ b/drivers/clk/mediatek/clk-mt2701.c
> @@ -10,9 +10,10 @@
> #include <linux/of_device.h>
> #include <linux/platform_device.h>
>
> -#include "clk-mtk.h"
> -#include "clk-gate.h"
> #include "clk-cpumux.h"
> +#include "clk-gate.h"
> +#include "clk-mtk.h"
> +#include "clk-pll.h"
>
> #include <dt-bindings/clock/mt2701-clk.h>
>
> diff --git a/drivers/clk/mediatek/clk-mt2712.c
> b/drivers/clk/mediatek/clk-mt2712.c
> index a3bd9a107209..ff72b9ab945b 100644
> --- a/drivers/clk/mediatek/clk-mt2712.c
> +++ b/drivers/clk/mediatek/clk-mt2712.c
> @@ -13,8 +13,9 @@
> #include <linux/platform_device.h>
> #include <linux/slab.h>
>
> -#include "clk-mtk.h"
> #include "clk-gate.h"
> +#include "clk-pll.h"
> +#include "clk-mtk.h"
>
> #include <dt-bindings/clock/mt2712-clk.h>
>
> diff --git a/drivers/clk/mediatek/clk-mt6765.c
> b/drivers/clk/mediatek/clk-mt6765.c
> index d77ea5aff292..24829ca3bd1f 100644
> --- a/drivers/clk/mediatek/clk-mt6765.c
> +++ b/drivers/clk/mediatek/clk-mt6765.c
> @@ -12,9 +12,10 @@
> #include <linux/of_device.h>
> #include <linux/platform_device.h>
>
> -#include "clk-mtk.h"
> #include "clk-gate.h"
> +#include "clk-mtk.h"
> #include "clk-mux.h"
> +#include "clk-pll.h"
>
> #include <dt-bindings/clock/mt6765-clk.h>
>
> diff --git a/drivers/clk/mediatek/clk-mt6779.c
> b/drivers/clk/mediatek/clk-mt6779.c
> index 9825385c9f94..7b61664da18f 100644
> --- a/drivers/clk/mediatek/clk-mt6779.c
> +++ b/drivers/clk/mediatek/clk-mt6779.c
> @@ -10,9 +10,10 @@
> #include <linux/of_device.h>
> #include <linux/platform_device.h>
>
> +#include "clk-gate.h"
> #include "clk-mtk.h"
> #include "clk-mux.h"
> -#include "clk-gate.h"
> +#include "clk-pll.h"
>
> #include <dt-bindings/clock/mt6779-clk.h>
>
> diff --git a/drivers/clk/mediatek/clk-mt6797.c
> b/drivers/clk/mediatek/clk-mt6797.c
> index 428eb24ffec5..02259e81625a 100644
> --- a/drivers/clk/mediatek/clk-mt6797.c
> +++ b/drivers/clk/mediatek/clk-mt6797.c
> @@ -9,8 +9,9 @@
> #include <linux/of_device.h>
> #include <linux/platform_device.h>
>
> -#include "clk-mtk.h"
> #include "clk-gate.h"
> +#include "clk-mtk.h"
> +#include "clk-pll.h"
>
> #include <dt-bindings/clock/mt6797-clk.h>
>
> diff --git a/drivers/clk/mediatek/clk-mt7622.c
> b/drivers/clk/mediatek/clk-mt7622.c
> index ef5947e15c75..0e1fb30a1e98 100644
> --- a/drivers/clk/mediatek/clk-mt7622.c
> +++ b/drivers/clk/mediatek/clk-mt7622.c
> @@ -11,9 +11,10 @@
> #include <linux/of_device.h>
> #include <linux/platform_device.h>
>
> -#include "clk-mtk.h"
> -#include "clk-gate.h"
> #include "clk-cpumux.h"
> +#include "clk-gate.h"
> +#include "clk-mtk.h"
> +#include "clk-pll.h"
>
> #include <dt-bindings/clock/mt7622-clk.h>
> #include <linux/clk.h> /* for consumer */
> diff --git a/drivers/clk/mediatek/clk-mt7629.c
> b/drivers/clk/mediatek/clk-mt7629.c
> index a0ee079670c7..c0e023bf31eb 100644
> --- a/drivers/clk/mediatek/clk-mt7629.c
> +++ b/drivers/clk/mediatek/clk-mt7629.c
> @@ -12,9 +12,10 @@
> #include <linux/of_device.h>
> #include <linux/platform_device.h>
>
> -#include "clk-mtk.h"
> -#include "clk-gate.h"
> #include "clk-cpumux.h"
> +#include "clk-gate.h"
> +#include "clk-mtk.h"
> +#include "clk-pll.h"
>
> #include <dt-bindings/clock/mt7629-clk.h>
>
> diff --git a/drivers/clk/mediatek/clk-mt7986-apmixed.c
> b/drivers/clk/mediatek/clk-mt7986-apmixed.c
> index 98ec3887585f..21d4c82e782a 100644
> --- a/drivers/clk/mediatek/clk-mt7986-apmixed.c
> +++ b/drivers/clk/mediatek/clk-mt7986-apmixed.c
> @@ -10,9 +10,11 @@
> #include <linux/of_address.h>
> #include <linux/of_device.h>
> #include <linux/platform_device.h>
> -#include "clk-mtk.h"
> +
> #include "clk-gate.h"
> +#include "clk-mtk.h"
> #include "clk-mux.h"
> +#include "clk-pll.h"
>
> #include <dt-bindings/clock/mt7986-clk.h>
> #include <linux/clk.h>
> diff --git a/drivers/clk/mediatek/clk-mt8135.c
> b/drivers/clk/mediatek/clk-mt8135.c
> index 9b4b645aea99..09ad272d51f1 100644
> --- a/drivers/clk/mediatek/clk-mt8135.c
> +++ b/drivers/clk/mediatek/clk-mt8135.c
> @@ -11,8 +11,9 @@
> #include <linux/mfd/syscon.h>
> #include <dt-bindings/clock/mt8135-clk.h>
>
> -#include "clk-mtk.h"
> #include "clk-gate.h"
> +#include "clk-mtk.h"
> +#include "clk-pll.h"
>
> static DEFINE_SPINLOCK(mt8135_clk_lock);
>
> diff --git a/drivers/clk/mediatek/clk-mt8167.c
> b/drivers/clk/mediatek/clk-mt8167.c
> index e5ea10e31799..812b33a57530 100644
> --- a/drivers/clk/mediatek/clk-mt8167.c
> +++ b/drivers/clk/mediatek/clk-mt8167.c
> @@ -12,8 +12,9 @@
> #include <linux/slab.h>
> #include <linux/mfd/syscon.h>
>
> -#include "clk-mtk.h"
> #include "clk-gate.h"
> +#include "clk-mtk.h"
> +#include "clk-pll.h"
>
> #include <dt-bindings/clock/mt8167-clk.h>
>
> diff --git a/drivers/clk/mediatek/clk-mt8173.c
> b/drivers/clk/mediatek/clk-mt8173.c
> index 8f898ac476c0..46b7655feeaa 100644
> --- a/drivers/clk/mediatek/clk-mt8173.c
> +++ b/drivers/clk/mediatek/clk-mt8173.c
> @@ -8,9 +8,10 @@
> #include <linux/of.h>
> #include <linux/of_address.h>
>
> -#include "clk-mtk.h"
> -#include "clk-gate.h"
> #include "clk-cpumux.h"
> +#include "clk-gate.h"
> +#include "clk-mtk.h"
> +#include "clk-pll.h"
>
> #include <dt-bindings/clock/mt8173-clk.h>
>
> diff --git a/drivers/clk/mediatek/clk-mt8183.c
> b/drivers/clk/mediatek/clk-mt8183.c
> index 5046852eb0fd..68496554dd3d 100644
> --- a/drivers/clk/mediatek/clk-mt8183.c
> +++ b/drivers/clk/mediatek/clk-mt8183.c
> @@ -11,9 +11,10 @@
> #include <linux/platform_device.h>
> #include <linux/slab.h>
>
> +#include "clk-gate.h"
> #include "clk-mtk.h"
> #include "clk-mux.h"
> -#include "clk-gate.h"
> +#include "clk-pll.h"
>
> #include <dt-bindings/clock/mt8183-clk.h>
>
> diff --git a/drivers/clk/mediatek/clk-mt8192.c
> b/drivers/clk/mediatek/clk-mt8192.c
> index 79ddb3cc0b98..ab27cd66b866 100644
> --- a/drivers/clk/mediatek/clk-mt8192.c
> +++ b/drivers/clk/mediatek/clk-mt8192.c
> @@ -12,9 +12,10 @@
> #include <linux/platform_device.h>
> #include <linux/slab.h>
>
> +#include "clk-gate.h"
> #include "clk-mtk.h"
> #include "clk-mux.h"
> -#include "clk-gate.h"
> +#include "clk-pll.h"
>
> #include <dt-bindings/clock/mt8192-clk.h>
>
> diff --git a/drivers/clk/mediatek/clk-mt8195-apmixedsys.c
> b/drivers/clk/mediatek/clk-mt8195-apmixedsys.c
> index 6156ceeed71e..5b1b7dc447eb 100644
> --- a/drivers/clk/mediatek/clk-mt8195-apmixedsys.c
> +++ b/drivers/clk/mediatek/clk-mt8195-apmixedsys.c
> @@ -5,6 +5,7 @@
>
> #include "clk-gate.h"
> #include "clk-mtk.h"
> +#include "clk-pll.h"
>
> #include <dt-bindings/clock/mt8195-clk.h>
> #include <linux/of_device.h>
> diff --git a/drivers/clk/mediatek/clk-mt8195-apusys_pll.c
> b/drivers/clk/mediatek/clk-mt8195-apusys_pll.c
> index f1c84186346e..db449ff877d7 100644
> --- a/drivers/clk/mediatek/clk-mt8195-apusys_pll.c
> +++ b/drivers/clk/mediatek/clk-mt8195-apusys_pll.c
> @@ -4,6 +4,7 @@
> // Author: Chun-Jie Chen <chun-jie.chen@...iatek.com>
>
> #include "clk-mtk.h"
> +#include "clk-pll.h"
>
> #include <dt-bindings/clock/mt8195-clk.h>
> #include <linux/clk-provider.h>
> diff --git a/drivers/clk/mediatek/clk-mt8516.c
> b/drivers/clk/mediatek/clk-mt8516.c
> index 9d4261ecc760..a37143f920ce 100644
> --- a/drivers/clk/mediatek/clk-mt8516.c
> +++ b/drivers/clk/mediatek/clk-mt8516.c
> @@ -11,8 +11,9 @@
> #include <linux/slab.h>
> #include <linux/mfd/syscon.h>
>
> -#include "clk-mtk.h"
> #include "clk-gate.h"
> +#include "clk-mtk.h"
> +#include "clk-pll.h"
>
> #include <dt-bindings/clock/mt8516-clk.h>
>
> diff --git a/drivers/clk/mediatek/clk-mtk.h
> b/drivers/clk/mediatek/clk-mtk.h
> index bdec7dc5e07a..168220f85489 100644
> --- a/drivers/clk/mediatek/clk-mtk.h
> +++ b/drivers/clk/mediatek/clk-mtk.h
> @@ -179,45 +179,6 @@ void mtk_clk_register_dividers(const struct
> mtk_clk_divider *mcds,
> struct clk_onecell_data *mtk_alloc_clk_data(unsigned int clk_num);
> void mtk_free_clk_data(struct clk_onecell_data *clk_data);
>
> -#define HAVE_RST_BAR BIT(0)
> -#define PLL_AO BIT(1)
> -
> -struct mtk_pll_div_table {
> - u32 div;
> - unsigned long freq;
> -};
> -
> -struct mtk_pll_data {
> - int id;
> - const char *name;
> - u32 reg;
> - u32 pwr_reg;
> - u32 en_mask;
> - u32 pd_reg;
> - u32 tuner_reg;
> - u32 tuner_en_reg;
> - u8 tuner_en_bit;
> - int pd_shift;
> - unsigned int flags;
> - const struct clk_ops *ops;
> - u32 rst_bar_mask;
> - unsigned long fmin;
> - unsigned long fmax;
> - int pcwbits;
> - int pcwibits;
> - u32 pcw_reg;
> - int pcw_shift;
> - u32 pcw_chg_reg;
> - const struct mtk_pll_div_table *div_table;
> - const char *parent_name;
> - u32 en_reg;
> - u8 pll_en_bit; /* Assume 0, indicates BIT(0) by default */
> -};
> -
> -void mtk_clk_register_plls(struct device_node *node,
> - const struct mtk_pll_data *plls, int num_plls,
> - struct clk_onecell_data *clk_data);
> -
> struct clk *mtk_clk_register_ref2usb_tx(const char *name,
> const char *parent_name, void __iomem *reg);
>
> diff --git a/drivers/clk/mediatek/clk-pll.c
> b/drivers/clk/mediatek/clk-pll.c
> index f04f724e12e5..64f59554bc9b 100644
> --- a/drivers/clk/mediatek/clk-pll.c
> +++ b/drivers/clk/mediatek/clk-pll.c
> @@ -13,6 +13,7 @@
> #include <linux/delay.h>
>
> #include "clk-mtk.h"
> +#include "clk-pll.h"
>
> #define REG_CON0 0
> #define REG_CON1 4
> diff --git a/drivers/clk/mediatek/clk-pll.h
> b/drivers/clk/mediatek/clk-pll.h
> new file mode 100644
> index 000000000000..d01b0c38311d
> --- /dev/null
> +++ b/drivers/clk/mediatek/clk-pll.h
> @@ -0,0 +1,55 @@
> +/* SPDX-License-Identifier: GPL-2.0-only */
> +/*
> + * Copyright (c) 2014 MediaTek Inc.
> + * Author: James Liao <jamesjj.liao@...iatek.com>
> + */
> +
> +#ifndef __DRV_CLK_MTK_PLL_H
> +#define __DRV_CLK_MTK_PLL_H
> +
> +#include <linux/types.h>
> +
> +struct clk_ops;
> +struct clk_onecell_data;
> +struct device_node;
> +
> +struct mtk_pll_div_table {
> + u32 div;
> + unsigned long freq;
> +};
> +
> +#define HAVE_RST_BAR BIT(0)
> +#define PLL_AO BIT(1)
> +
> +struct mtk_pll_data {
> + int id;
> + const char *name;
> + u32 reg;
> + u32 pwr_reg;
> + u32 en_mask;
> + u32 pd_reg;
> + u32 tuner_reg;
> + u32 tuner_en_reg;
> + u8 tuner_en_bit;
> + int pd_shift;
> + unsigned int flags;
> + const struct clk_ops *ops;
> + u32 rst_bar_mask;
> + unsigned long fmin;
> + unsigned long fmax;
> + int pcwbits;
> + int pcwibits;
> + u32 pcw_reg;
> + int pcw_shift;
> + u32 pcw_chg_reg;
> + const struct mtk_pll_div_table *div_table;
> + const char *parent_name;
> + u32 en_reg;
> + u8 pll_en_bit; /* Assume 0, indicates BIT(0) by default */
> +};
> +
> +void mtk_clk_register_plls(struct device_node *node,
> + const struct mtk_pll_data *plls, int
> num_plls,
> + struct clk_onecell_data *clk_data);
> +
> +#endif /* __DRV_CLK_MTK_PLL_H */
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