From patchwork Wed Apr 24 05:09:27 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xianwei Zhao X-Patchwork-Id: 13641189 Received: from mail-sh.amlogic.com (unknown [58.32.228.46]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 652F0154BF3; Wed, 24 Apr 2024 05:11:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=58.32.228.46 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713935489; cv=none; b=ixkwoIDH56GkZSW2gbadEaZvyLNp1sMqDeNUw3LoZ9GtlZRtGSy1fMUtY0+KaV1f9/pBlF1FZqKuYGoYirZbHThfwBrvkeXo1v+IcRQUJTeviHZNbr8hNI6MD1RNxWZvQs9evx8GqMH0UP7oELVFyR9AfMS4RMm9qmLNNKUL/IU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713935489; c=relaxed/simple; bh=kYz7pFAKfxygNXi56jdfXndjGZ29QyAuRheNYMyeq5A=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=sPn+mXoEXmRJJOylIY6lSyJUlGWgy2z6nFz/tBIWwgclAjzklXvZhr4t/QxkajJ0KHmMpqopleBwsRbcKcLBMYCghoWC4BHr3Qwa+6snId/4VbeEkaAg4PDjrTWrvxD9m7vy0RhBl8GL7//16/pWxVgnzugfrfgsTW1BgLqZL2c= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=amlogic.com; spf=pass smtp.mailfrom=amlogic.com; arc=none smtp.client-ip=58.32.228.46 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=amlogic.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=amlogic.com Received: from droid01-cd.amlogic.com (10.98.11.200) by mail-sh.amlogic.com (10.18.11.5) with Microsoft SMTP Server id 15.1.2507.6; Wed, 24 Apr 2024 13:10:22 +0800 From: Xianwei Zhao To: , , , , CC: Neil Armstrong , Jerome Brunet , Michael Turquette , "Stephen Boyd" , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Kevin Hilman , Xianwei Zhao , Chuan Liu Subject: [PATCH v7 4/5] clk: meson: c3: add support for the C3 SoC PLL clock Date: Wed, 24 Apr 2024 13:09:27 +0800 Message-ID: <20240424050928.1997820-5-xianwei.zhao@amlogic.com> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20240424050928.1997820-1-xianwei.zhao@amlogic.com> References: <20240424050928.1997820-1-xianwei.zhao@amlogic.com> Precedence: bulk X-Mailing-List: linux-clk@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Add the C3 PLL clock controller driver for the Amlogic C3 SoC family. Co-developed-by: Chuan Liu Signed-off-by: Chuan Liu Signed-off-by: Xianwei Zhao --- drivers/clk/meson/Kconfig | 14 + drivers/clk/meson/Makefile | 1 + drivers/clk/meson/c3-pll.c | 747 +++++++++++++++++++++++++++++++++++++ 3 files changed, 762 insertions(+) create mode 100644 drivers/clk/meson/c3-pll.c diff --git a/drivers/clk/meson/Kconfig b/drivers/clk/meson/Kconfig index 29ffd14d267b..9f975a980581 100644 --- a/drivers/clk/meson/Kconfig +++ b/drivers/clk/meson/Kconfig @@ -128,6 +128,20 @@ config COMMON_CLK_A1_PERIPHERALS device, A1 SoC Family. Say Y if you want A1 Peripherals clock controller to work. +config COMMON_CLK_C3_PLL + tristate "Amlogic C3 PLL clock controller" + depends on ARM64 + depends on ARM_SCMI_PROTOCOL + depends on COMMON_CLK_SCMI + default y + select COMMON_CLK_MESON_REGMAP + select COMMON_CLK_MESON_PLL + select COMMON_CLK_MESON_CLKC_UTILS + help + Support for the PLL clock controller on Amlogic C302X and C308L devices, + AKA C3. Say Y if you want the board to work, because PLLs are the parent + of most peripherals. + config COMMON_CLK_G12A tristate "G12 and SM1 SoC clock controllers support" depends on ARM64 diff --git a/drivers/clk/meson/Makefile b/drivers/clk/meson/Makefile index 9ee4b954c896..4420af628b31 100644 --- a/drivers/clk/meson/Makefile +++ b/drivers/clk/meson/Makefile @@ -19,6 +19,7 @@ obj-$(CONFIG_COMMON_CLK_AXG) += axg.o axg-aoclk.o obj-$(CONFIG_COMMON_CLK_AXG_AUDIO) += axg-audio.o obj-$(CONFIG_COMMON_CLK_A1_PLL) += a1-pll.o obj-$(CONFIG_COMMON_CLK_A1_PERIPHERALS) += a1-peripherals.o +obj-$(CONFIG_COMMON_CLK_C3_PLL) += c3-pll.o obj-$(CONFIG_COMMON_CLK_GXBB) += gxbb.o gxbb-aoclk.o obj-$(CONFIG_COMMON_CLK_G12A) += g12a.o g12a-aoclk.o obj-$(CONFIG_COMMON_CLK_MESON8B) += meson8b.o meson8-ddr.o diff --git a/drivers/clk/meson/c3-pll.c b/drivers/clk/meson/c3-pll.c new file mode 100644 index 000000000000..c84fce1232bd --- /dev/null +++ b/drivers/clk/meson/c3-pll.c @@ -0,0 +1,747 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Amlogic C3 PLL Controller Driver + * + * Copyright (c) 2023 Amlogic, inc. + * Author: Chuan Liu + */ + +#include +#include +#include +#include "clk-regmap.h" +#include "clk-pll.h" +#include "meson-clkc-utils.h" +#include + +#define ANACTRL_FIXPLL_CTRL4 0x50 +#define ANACTRL_GP0PLL_CTRL0 0x80 +#define ANACTRL_GP0PLL_CTRL1 0x84 +#define ANACTRL_GP0PLL_CTRL2 0x88 +#define ANACTRL_GP0PLL_CTRL3 0x8c +#define ANACTRL_GP0PLL_CTRL4 0x90 +#define ANACTRL_GP0PLL_CTRL5 0x94 +#define ANACTRL_GP0PLL_CTRL6 0x98 +#define ANACTRL_HIFIPLL_CTRL0 0x100 +#define ANACTRL_HIFIPLL_CTRL1 0x104 +#define ANACTRL_HIFIPLL_CTRL2 0x108 +#define ANACTRL_HIFIPLL_CTRL3 0x10c +#define ANACTRL_HIFIPLL_CTRL4 0x110 +#define ANACTRL_HIFIPLL_CTRL5 0x114 +#define ANACTRL_HIFIPLL_CTRL6 0x118 +#define ANACTRL_MPLL_CTRL0 0x180 +#define ANACTRL_MPLL_CTRL1 0x184 +#define ANACTRL_MPLL_CTRL2 0x188 +#define ANACTRL_MPLL_CTRL3 0x18c +#define ANACTRL_MPLL_CTRL4 0x190 + +static struct clk_regmap fclk_50m_en = { + .data = &(struct clk_regmap_gate_data) { + .offset = ANACTRL_FIXPLL_CTRL4, + .bit_idx = 0, + }, + .hw.init = &(struct clk_init_data) { + .name = "fclk_50m_en", + .ops = &clk_regmap_gate_ro_ops, + .parent_data = &(const struct clk_parent_data) { + .fw_name = "fix" + }, + .num_parents = 1, + }, +}; + +static struct clk_fixed_factor fclk_50m = { + .mult = 1, + .div = 40, + .hw.init = &(struct clk_init_data) { + .name = "fclk_50m", + .ops = &clk_fixed_factor_ops, + .parent_hws = (const struct clk_hw *[]) { + &fclk_50m_en.hw + }, + .num_parents = 1, + }, +}; + +static struct clk_fixed_factor fclk_div2_div = { + .mult = 1, + .div = 2, + .hw.init = &(struct clk_init_data) { + .name = "fclk_div2_div", + .ops = &clk_fixed_factor_ops, + .parent_data = &(const struct clk_parent_data) { + .fw_name = "fix" + }, + .num_parents = 1, + }, +}; + +static struct clk_regmap fclk_div2 = { + .data = &(struct clk_regmap_gate_data) { + .offset = ANACTRL_FIXPLL_CTRL4, + .bit_idx = 24, + }, + .hw.init = &(struct clk_init_data) { + .name = "fclk_div2", + .ops = &clk_regmap_gate_ro_ops, + .parent_hws = (const struct clk_hw *[]) { + &fclk_div2_div.hw + }, + .num_parents = 1, + }, +}; + +static struct clk_fixed_factor fclk_div2p5_div = { + .mult = 2, + .div = 5, + .hw.init = &(struct clk_init_data) { + .name = "fclk_div2p5_div", + .ops = &clk_fixed_factor_ops, + .parent_data = &(const struct clk_parent_data) { + .fw_name = "fix" + }, + .num_parents = 1, + }, +}; + +static struct clk_regmap fclk_div2p5 = { + .data = &(struct clk_regmap_gate_data) { + .offset = ANACTRL_FIXPLL_CTRL4, + .bit_idx = 4, + }, + .hw.init = &(struct clk_init_data) { + .name = "fclk_div2p5", + .ops = &clk_regmap_gate_ro_ops, + .parent_hws = (const struct clk_hw *[]) { + &fclk_div2p5_div.hw + }, + .num_parents = 1, + }, +}; + +static struct clk_fixed_factor fclk_div3_div = { + .mult = 1, + .div = 3, + .hw.init = &(struct clk_init_data) { + .name = "fclk_div3_div", + .ops = &clk_fixed_factor_ops, + .parent_data = &(const struct clk_parent_data) { + .fw_name = "fix" + }, + .num_parents = 1, + }, +}; + +static struct clk_regmap fclk_div3 = { + .data = &(struct clk_regmap_gate_data) { + .offset = ANACTRL_FIXPLL_CTRL4, + .bit_idx = 20, + }, + .hw.init = &(struct clk_init_data) { + .name = "fclk_div3", + .ops = &clk_regmap_gate_ro_ops, + .parent_hws = (const struct clk_hw *[]) { + &fclk_div3_div.hw + }, + .num_parents = 1, + }, +}; + +static struct clk_fixed_factor fclk_div4_div = { + .mult = 1, + .div = 4, + .hw.init = &(struct clk_init_data) { + .name = "fclk_div4_div", + .ops = &clk_fixed_factor_ops, + .parent_data = &(const struct clk_parent_data) { + .fw_name = "fix" + }, + .num_parents = 1, + }, +}; + +static struct clk_regmap fclk_div4 = { + .data = &(struct clk_regmap_gate_data) { + .offset = ANACTRL_FIXPLL_CTRL4, + .bit_idx = 21, + }, + .hw.init = &(struct clk_init_data) { + .name = "fclk_div4", + .ops = &clk_regmap_gate_ro_ops, + .parent_hws = (const struct clk_hw *[]) { + &fclk_div4_div.hw + }, + .num_parents = 1, + }, +}; + +static struct clk_fixed_factor fclk_div5_div = { + .mult = 1, + .div = 5, + .hw.init = &(struct clk_init_data) { + .name = "fclk_div5_div", + .ops = &clk_fixed_factor_ops, + .parent_data = &(const struct clk_parent_data) { + .fw_name = "fix" + }, + .num_parents = 1, + }, +}; + +static struct clk_regmap fclk_div5 = { + .data = &(struct clk_regmap_gate_data) { + .offset = ANACTRL_FIXPLL_CTRL4, + .bit_idx = 22, + }, + .hw.init = &(struct clk_init_data) { + .name = "fclk_div5", + .ops = &clk_regmap_gate_ro_ops, + .parent_hws = (const struct clk_hw *[]) { + &fclk_div5_div.hw + }, + .num_parents = 1, + }, +}; + +static struct clk_fixed_factor fclk_div7_div = { + .mult = 1, + .div = 7, + .hw.init = &(struct clk_init_data) { + .name = "fclk_div7_div", + .ops = &clk_fixed_factor_ops, + .parent_data = &(const struct clk_parent_data) { + .fw_name = "fix" + }, + .num_parents = 1, + }, +}; + +static struct clk_regmap fclk_div7 = { + .data = &(struct clk_regmap_gate_data) { + .offset = ANACTRL_FIXPLL_CTRL4, + .bit_idx = 23, + }, + .hw.init = &(struct clk_init_data) { + .name = "fclk_div7", + .ops = &clk_regmap_gate_ro_ops, + .parent_hws = (const struct clk_hw *[]) { + &fclk_div7_div.hw + }, + .num_parents = 1, + }, +}; + +static const struct reg_sequence c3_gp0_init_regs[] = { + { .reg = ANACTRL_GP0PLL_CTRL2, .def = 0x0 }, + { .reg = ANACTRL_GP0PLL_CTRL3, .def = 0x48681c00 }, + { .reg = ANACTRL_GP0PLL_CTRL4, .def = 0x88770290 }, + { .reg = ANACTRL_GP0PLL_CTRL5, .def = 0x3927200a }, + { .reg = ANACTRL_GP0PLL_CTRL6, .def = 0x56540000 }, +}; + +static const struct pll_mult_range c3_gp0_pll_mult_range = { + .min = 125, + .max = 250, +}; + +static struct clk_regmap gp0_pll_dco = { + .data = &(struct meson_clk_pll_data) { + .en = { + .reg_off = ANACTRL_GP0PLL_CTRL0, + .shift = 28, + .width = 1, + }, + .m = { + .reg_off = ANACTRL_GP0PLL_CTRL0, + .shift = 0, + .width = 9, + }, + .frac = { + .reg_off = ANACTRL_GP0PLL_CTRL1, + .shift = 0, + .width = 19, + }, + .n = { + .reg_off = ANACTRL_GP0PLL_CTRL0, + .shift = 10, + .width = 5, + }, + .l = { + .reg_off = ANACTRL_GP0PLL_CTRL0, + .shift = 31, + .width = 1, + }, + .rst = { + .reg_off = ANACTRL_GP0PLL_CTRL0, + .shift = 29, + .width = 1, + }, + .range = &c3_gp0_pll_mult_range, + .init_regs = c3_gp0_init_regs, + .init_count = ARRAY_SIZE(c3_gp0_init_regs), + }, + .hw.init = &(struct clk_init_data) { + .name = "gp0_pll_dco", + .ops = &meson_clk_pll_ops, + .parent_data = &(const struct clk_parent_data) { + .fw_name = "top", + }, + .num_parents = 1, + }, +}; + +/* The maximum frequency divider supports is 32, not 128(2^7) */ +static const struct clk_div_table c3_gp0_pll_od_table[] = { + { 0, 1 }, + { 1, 2 }, + { 2, 4 }, + { 3, 8 }, + { 4, 16 }, + { 5, 32 }, + { /* sentinel */ } +}; + +static struct clk_regmap gp0_pll = { + .data = &(struct clk_regmap_div_data) { + .offset = ANACTRL_GP0PLL_CTRL0, + .shift = 16, + .width = 3, + .table = c3_gp0_pll_od_table, + }, + .hw.init = &(struct clk_init_data) { + .name = "gp0_pll", + .ops = &clk_regmap_divider_ops, + .parent_hws = (const struct clk_hw *[]) { + &gp0_pll_dco.hw + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + }, +}; + +static const struct reg_sequence c3_hifi_init_regs[] = { + { .reg = ANACTRL_HIFIPLL_CTRL2, .def = 0x0 }, + { .reg = ANACTRL_HIFIPLL_CTRL3, .def = 0x6a285c00 }, + { .reg = ANACTRL_HIFIPLL_CTRL4, .def = 0x65771290 }, + { .reg = ANACTRL_HIFIPLL_CTRL5, .def = 0x3927200a }, + { .reg = ANACTRL_HIFIPLL_CTRL6, .def = 0x56540000 }, +}; + +static struct clk_regmap hifi_pll_dco = { + .data = &(struct meson_clk_pll_data) { + .en = { + .reg_off = ANACTRL_HIFIPLL_CTRL0, + .shift = 28, + .width = 1, + }, + .m = { + .reg_off = ANACTRL_HIFIPLL_CTRL0, + .shift = 0, + .width = 8, + }, + .frac = { + .reg_off = ANACTRL_HIFIPLL_CTRL1, + .shift = 0, + .width = 19, + }, + .n = { + .reg_off = ANACTRL_HIFIPLL_CTRL0, + .shift = 10, + .width = 5, + }, + .l = { + .reg_off = ANACTRL_HIFIPLL_CTRL0, + .shift = 31, + .width = 1, + }, + .rst = { + .reg_off = ANACTRL_HIFIPLL_CTRL0, + .shift = 29, + .width = 1, + }, + .range = &c3_gp0_pll_mult_range, + .init_regs = c3_hifi_init_regs, + .init_count = ARRAY_SIZE(c3_hifi_init_regs), + }, + .hw.init = &(struct clk_init_data) { + .name = "hifi_pll_dco", + .ops = &meson_clk_pll_ops, + .parent_data = &(const struct clk_parent_data) { + .fw_name = "top", + }, + .num_parents = 1, + }, +}; + +static struct clk_regmap hifi_pll = { + .data = &(struct clk_regmap_div_data) { + .offset = ANACTRL_HIFIPLL_CTRL0, + .shift = 16, + .width = 2, + .flags = CLK_DIVIDER_POWER_OF_TWO, + }, + .hw.init = &(struct clk_init_data) { + .name = "hifi_pll", + .ops = &clk_regmap_divider_ops, + .parent_hws = (const struct clk_hw *[]) { + &hifi_pll_dco.hw + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + }, +}; + +static const struct reg_sequence c3_mclk_init_regs[] = { + { .reg = ANACTRL_MPLL_CTRL1, .def = 0x1420500f }, + { .reg = ANACTRL_MPLL_CTRL2, .def = 0x00023041 }, + { .reg = ANACTRL_MPLL_CTRL3, .def = 0x18180000 }, + { .reg = ANACTRL_MPLL_CTRL2, .def = 0x00023001 } +}; + +static const struct pll_mult_range c3_mclk_pll_mult_range = { + .min = 67, + .max = 133, +}; + +static struct clk_regmap mclk_pll_dco = { + .data = &(struct meson_clk_pll_data) { + .en = { + .reg_off = ANACTRL_MPLL_CTRL0, + .shift = 28, + .width = 1, + }, + .m = { + .reg_off = ANACTRL_MPLL_CTRL0, + .shift = 0, + .width = 8, + }, + .n = { + .reg_off = ANACTRL_MPLL_CTRL0, + .shift = 16, + .width = 5, + }, + .l = { + .reg_off = ANACTRL_MPLL_CTRL0, + .shift = 31, + .width = 1, + }, + .rst = { + .reg_off = ANACTRL_MPLL_CTRL0, + .shift = 29, + .width = 1, + }, + .range = &c3_mclk_pll_mult_range, + .init_regs = c3_mclk_init_regs, + .init_count = ARRAY_SIZE(c3_mclk_init_regs), + }, + .hw.init = &(struct clk_init_data) { + .name = "mclk_pll_dco", + .ops = &meson_clk_pll_ops, + .parent_data = &(const struct clk_parent_data) { + .fw_name = "mclk", + }, + .num_parents = 1, + }, +}; + +static const struct clk_div_table c3_mpll_od_table[] = { + { 0, 1 }, + { 1, 2 }, + { 2, 4 }, + { 3, 8 }, + { 4, 16 }, + { /* sentinel */ } +}; + +static struct clk_regmap mclk_pll_od = { + .data = &(struct clk_regmap_div_data) { + .offset = ANACTRL_MPLL_CTRL0, + .shift = 12, + .width = 3, + .table = c3_mpll_od_table, + }, + .hw.init = &(struct clk_init_data) { + .name = "mclk_pll_od", + .ops = &clk_regmap_divider_ops, + .parent_hws = (const struct clk_hw *[]) { + &mclk_pll_dco.hw }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + }, +}; + +/* both value 0 and 1 gives divide the input rate by one */ +static struct clk_regmap mclk_pll = { + .data = &(struct clk_regmap_div_data) { + .offset = ANACTRL_MPLL_CTRL4, + .shift = 16, + .width = 5, + .flags = CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO, + }, + .hw.init = &(struct clk_init_data) { + .name = "mclk_pll", + .ops = &clk_regmap_divider_ops, + .parent_hws = (const struct clk_hw *[]) { + &mclk_pll_od.hw + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + }, +}; + +static const struct clk_parent_data mclk_parent[] = { + { .hw = &mclk_pll.hw }, + { .fw_name = "mclk" }, + { .hw = &fclk_50m.hw } +}; + +static struct clk_regmap mclk0_sel = { + .data = &(struct clk_regmap_mux_data) { + .offset = ANACTRL_MPLL_CTRL4, + .mask = 0x3, + .shift = 4, + }, + .hw.init = &(struct clk_init_data) { + .name = "mclk0_sel", + .ops = &clk_regmap_mux_ops, + .parent_data = mclk_parent, + .num_parents = ARRAY_SIZE(mclk_parent), + }, +}; + +static struct clk_regmap mclk0_div_en = { + .data = &(struct clk_regmap_gate_data) { + .offset = ANACTRL_MPLL_CTRL4, + .bit_idx = 1, + }, + .hw.init = &(struct clk_init_data) { + .name = "mclk0_div_en", + .ops = &clk_regmap_gate_ops, + .parent_hws = (const struct clk_hw *[]) { + &mclk0_sel.hw + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + }, +}; + +static struct clk_regmap mclk0_div = { + .data = &(struct clk_regmap_div_data) { + .offset = ANACTRL_MPLL_CTRL4, + .shift = 2, + .width = 1, + }, + .hw.init = &(struct clk_init_data) { + .name = "mclk0_div", + .ops = &clk_regmap_divider_ops, + .parent_hws = (const struct clk_hw *[]) { + &mclk0_div_en.hw + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + }, +}; + +static struct clk_regmap mclk0 = { + .data = &(struct clk_regmap_gate_data) { + .offset = ANACTRL_MPLL_CTRL4, + .bit_idx = 0, + }, + .hw.init = &(struct clk_init_data) { + .name = "mclk0", + .ops = &clk_regmap_gate_ops, + .parent_hws = (const struct clk_hw *[]) { + &mclk0_div.hw + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + }, +}; + +static struct clk_regmap mclk1_sel = { + .data = &(struct clk_regmap_mux_data) { + .offset = ANACTRL_MPLL_CTRL4, + .mask = 0x3, + .shift = 12, + }, + .hw.init = &(struct clk_init_data) { + .name = "mclk1_sel", + .ops = &clk_regmap_mux_ops, + .parent_data = mclk_parent, + .num_parents = ARRAY_SIZE(mclk_parent), + }, +}; + +static struct clk_regmap mclk1_div_en = { + .data = &(struct clk_regmap_gate_data) { + .offset = ANACTRL_MPLL_CTRL4, + .bit_idx = 9, + }, + .hw.init = &(struct clk_init_data) { + .name = "mclk1_div_en", + .ops = &clk_regmap_gate_ops, + .parent_hws = (const struct clk_hw *[]) { + &mclk1_sel.hw + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + }, +}; + +static struct clk_regmap mclk1_div = { + .data = &(struct clk_regmap_div_data) { + .offset = ANACTRL_MPLL_CTRL4, + .shift = 10, + .width = 1, + }, + .hw.init = &(struct clk_init_data) { + .name = "mclk1_div", + .ops = &clk_regmap_divider_ops, + .parent_hws = (const struct clk_hw *[]) { + &mclk1_div_en.hw + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + }, +}; + +static struct clk_regmap mclk1 = { + .data = &(struct clk_regmap_gate_data) { + .offset = ANACTRL_MPLL_CTRL4, + .bit_idx = 8, + }, + .hw.init = &(struct clk_init_data) { + .name = "mclk1", + .ops = &clk_regmap_gate_ops, + .parent_hws = (const struct clk_hw *[]) { + &mclk1_div.hw + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + }, +}; + +static struct clk_hw *c3_pll_hw_clks[] = { + [CLKID_FCLK_50M_EN] = &fclk_50m_en.hw, + [CLKID_FCLK_50M] = &fclk_50m.hw, + [CLKID_FCLK_DIV2_DIV] = &fclk_div2_div.hw, + [CLKID_FCLK_DIV2] = &fclk_div2.hw, + [CLKID_FCLK_DIV2P5_DIV] = &fclk_div2p5_div.hw, + [CLKID_FCLK_DIV2P5] = &fclk_div2p5.hw, + [CLKID_FCLK_DIV3_DIV] = &fclk_div3_div.hw, + [CLKID_FCLK_DIV3] = &fclk_div3.hw, + [CLKID_FCLK_DIV4_DIV] = &fclk_div4_div.hw, + [CLKID_FCLK_DIV4] = &fclk_div4.hw, + [CLKID_FCLK_DIV5_DIV] = &fclk_div5_div.hw, + [CLKID_FCLK_DIV5] = &fclk_div5.hw, + [CLKID_FCLK_DIV7_DIV] = &fclk_div7_div.hw, + [CLKID_FCLK_DIV7] = &fclk_div7.hw, + [CLKID_GP0_PLL_DCO] = &gp0_pll_dco.hw, + [CLKID_GP0_PLL] = &gp0_pll.hw, + [CLKID_HIFI_PLL_DCO] = &hifi_pll_dco.hw, + [CLKID_HIFI_PLL] = &hifi_pll.hw, + [CLKID_MCLK_PLL_DCO] = &mclk_pll_dco.hw, + [CLKID_MCLK_PLL_OD] = &mclk_pll_od.hw, + [CLKID_MCLK_PLL] = &mclk_pll.hw, + [CLKID_MCLK0_SEL] = &mclk0_sel.hw, + [CLKID_MCLK0_SEL_EN] = &mclk0_div_en.hw, + [CLKID_MCLK0_DIV] = &mclk0_div.hw, + [CLKID_MCLK0] = &mclk0.hw, + [CLKID_MCLK1_SEL] = &mclk1_sel.hw, + [CLKID_MCLK1_SEL_EN] = &mclk1_div_en.hw, + [CLKID_MCLK1_DIV] = &mclk1_div.hw, + [CLKID_MCLK1] = &mclk1.hw +}; + +/* Convenience table to populate regmap in .probe */ +static struct clk_regmap *const c3_pll_clk_regmaps[] = { + &fclk_50m_en, + &fclk_div2, + &fclk_div2p5, + &fclk_div3, + &fclk_div4, + &fclk_div5, + &fclk_div7, + &gp0_pll_dco, + &gp0_pll, + &hifi_pll_dco, + &hifi_pll, + &mclk_pll_dco, + &mclk_pll_od, + &mclk_pll, + &mclk0_sel, + &mclk0_div_en, + &mclk0_div, + &mclk0, + &mclk1_sel, + &mclk1_div_en, + &mclk1_div, + &mclk1, +}; + +static struct regmap_config clkc_regmap_config = { + .reg_bits = 32, + .val_bits = 32, + .reg_stride = 4, + .max_register = ANACTRL_MPLL_CTRL4, +}; + +static struct meson_clk_hw_data c3_pll_clks = { + .hws = c3_pll_hw_clks, + .num = ARRAY_SIZE(c3_pll_hw_clks), +}; + +static int aml_c3_pll_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct regmap *regmap; + void __iomem *base; + int clkid, ret, i; + + base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(base)) + return PTR_ERR(base); + + regmap = devm_regmap_init_mmio(dev, base, &clkc_regmap_config); + if (IS_ERR(regmap)) + return PTR_ERR(regmap); + + /* Populate regmap for the regmap backed clocks */ + for (i = 0; i < ARRAY_SIZE(c3_pll_clk_regmaps); i++) + c3_pll_clk_regmaps[i]->map = regmap; + + for (clkid = 0; clkid < c3_pll_clks.num; clkid++) { + /* array might be sparse */ + if (!c3_pll_clks.hws[clkid]) + continue; + + ret = devm_clk_hw_register(dev, c3_pll_clks.hws[clkid]); + if (ret) { + dev_err(dev, "Clock registration failed\n"); + return ret; + } + } + + return devm_of_clk_add_hw_provider(dev, meson_clk_hw_get, + &c3_pll_clks); +} + +static const struct of_device_id c3_pll_clkc_match_table[] = { + { + .compatible = "amlogic,c3-pll-clkc", + }, + {} +}; +MODULE_DEVICE_TABLE(of, c3_pll_clkc_match_table); + +static struct platform_driver c3_pll_driver = { + .probe = aml_c3_pll_probe, + .driver = { + .name = "c3-pll-clkc", + .of_match_table = c3_pll_clkc_match_table, + }, +}; + +module_platform_driver(c3_pll_driver); +MODULE_AUTHOR("Chuan Liu "); +MODULE_LICENSE("GPL");