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[2620:137:e000::3:3]) by mx.google.com with ESMTPS id u17-20020a170902e5d100b001c60ec1e654si12761770plf.416.2023.09.27.23.39.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 27 Sep 2023 23:39:37 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:3 as permitted sender) client-ip=2620:137:e000::3:3; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:3 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=amlogic.com Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by lipwig.vger.email (Postfix) with ESMTP id 3CC84807E838; Wed, 27 Sep 2023 23:36:40 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at lipwig.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230517AbjI1GgV (ORCPT + 20 others); Thu, 28 Sep 2023 02:36:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57968 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229445AbjI1GgS (ORCPT ); Thu, 28 Sep 2023 02:36:18 -0400 Received: from mail-sh.amlogic.com (mail-sh.amlogic.com [58.32.228.43]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C47FDCC7; Wed, 27 Sep 2023 23:35:25 -0700 (PDT) Received: from droid01-cd.amlogic.com (10.98.11.200) by mail-sh.amlogic.com (10.18.11.5) with Microsoft SMTP Server id 15.1.2507.13; Thu, 28 Sep 2023 14:35:01 +0800 From: Xianwei Zhao To: , , , , CC: Neil Armstrong , Jerome Brunet , Michael Turquette , "Stephen Boyd" , Rob Herring , "Krzysztof Kozlowski" , Kevin Hilman , Martin Blumenstingl , Xianwei Zhao Subject: [PATCH 3/4] clk: meson: C3: add support for the C3 SoC PLL clock Date: Thu, 28 Sep 2023 14:34:47 +0800 Message-ID: <20230928063448.3544464-4-xianwei.zhao@amlogic.com> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20230928063448.3544464-1-xianwei.zhao@amlogic.com> References: <20230928063448.3544464-1-xianwei.zhao@amlogic.com> MIME-Version: 1.0 X-Originating-IP: [10.98.11.200] X-Spam-Status: No, score=-0.8 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lipwig.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (lipwig.vger.email [0.0.0.0]); Wed, 27 Sep 2023 23:36:40 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1778262398263758669 X-GMAIL-MSGID: 1778262398263758669 Add the C3 PLL clock controller driver for the Amlogic C3 SoC family. Signed-off-by: Xianwei Zhao --- drivers/clk/meson/Kconfig | 12 + drivers/clk/meson/Makefile | 1 + drivers/clk/meson/c3-pll.c | 510 +++++++++++++++++++++++++++++++++++++ drivers/clk/meson/c3-pll.h | 35 +++ 4 files changed, 558 insertions(+) create mode 100644 drivers/clk/meson/c3-pll.c create mode 100644 drivers/clk/meson/c3-pll.h diff --git a/drivers/clk/meson/Kconfig b/drivers/clk/meson/Kconfig index c5303e4c1604..76be4bbd2afb 100644 --- a/drivers/clk/meson/Kconfig +++ b/drivers/clk/meson/Kconfig @@ -128,6 +128,18 @@ 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" + 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. Amlogic C302X and C308L devices include AW402, AW409 and AW419. + 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..5244dc19ab6e --- /dev/null +++ b/drivers/clk/meson/c3-pll.c @@ -0,0 +1,510 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Amlogic C3 PLL Controller Driver + * + * Copyright (c) 2023 Amlogic, inc. + * Author: Chuan Liu + */ + +#include +#include +#include +#include +#include "clk-regmap.h" +#include "clk-pll.h" +#include "c3-pll.h" +#include "meson-clkc-utils.h" +#include + +#define MEMBER_REG_PARM(_member_name, _reg, _shift, _width) \ + ._member_name = { \ + .reg_off = _reg, \ + .shift = _shift, \ + .width = _width, \ +} + +#define __AML_CLK_PLL(_name, _en_reg, _en_shift, _en_width, \ + _m_reg, _m_shift, _m_width, \ + _f_reg, _f_shift, _f_width, \ + _n_reg, _n_shift, _n_width, \ + _l_reg, _l_shift, _l_width, \ + _r_reg, _r_shift, _r_width, \ + _init_reg, _init_reg_cnt, _range, _table, \ + _dflags, _ops, _pname, _pdata, _phw, _iflags) \ +static struct clk_regmap _name = { \ + .data = &(struct meson_clk_pll_data){ \ + MEMBER_REG_PARM(en, \ + _en_reg, _en_shift, _en_width), \ + MEMBER_REG_PARM(m, \ + _m_reg, _m_shift, _m_width), \ + MEMBER_REG_PARM(frac, \ + _f_reg, _f_shift, _f_width), \ + MEMBER_REG_PARM(n, \ + _n_reg, _n_shift, _n_width), \ + MEMBER_REG_PARM(l, \ + _l_reg, _l_shift, _l_width), \ + MEMBER_REG_PARM(rst, \ + _r_reg, _r_shift, _r_width), \ + .range = _range, \ + .table = _table, \ + .init_regs = _init_reg, \ + .init_count = _init_reg_cnt, \ + .flags = _dflags, \ + }, \ + .hw.init = &(struct clk_init_data){ \ + .name = #_name, \ + .ops = _ops, \ + .parent_names = _pname, \ + .parent_data = _pdata, \ + .parent_hws = (const struct clk_hw *[]) {_phw}, \ + .num_parents = 1, \ + .flags = _iflags, \ + }, \ +} + +#define __AML_CLK_MUX(_name, _reg, _mask, _shift, _table, _dflags, \ + _ops, _pname, _pdata, _phw, _pnub, _iflags) \ +static struct clk_regmap _name = { \ + .data = &(struct clk_regmap_mux_data){ \ + .offset = _reg, \ + .mask = _mask, \ + .shift = _shift, \ + .table = _table, \ + .flags = _dflags, \ + }, \ + .hw.init = &(struct clk_init_data){ \ + .name = #_name, \ + .ops = _ops, \ + .parent_names = _pname, \ + .parent_data = _pdata, \ + .parent_hws = (const struct clk_hw *[]) { _phw }, \ + .num_parents = _pnub, \ + .flags = _iflags, \ + }, \ +} + +#define __AML_CLK_DIV(_name, _reg, _shift, _width, _table, _dflags, \ + _ops, _pname, _pdata, _phw, _iflags) \ +static struct clk_regmap _name = { \ + .data = &(struct clk_regmap_div_data){ \ + .offset = _reg, \ + .shift = _shift, \ + .width = _width, \ + .table = _table, \ + .flags = _dflags, \ + }, \ + .hw.init = &(struct clk_init_data){ \ + .name = #_name, \ + .ops = _ops, \ + .parent_names = _pname, \ + .parent_data = _pdata, \ + .parent_hws = (const struct clk_hw *[]) { _phw }, \ + .num_parents = 1, \ + .flags = _iflags, \ + }, \ +} + +#define __AML_CLK_GATE(_name, _reg, _bit, _gflags, \ + _ops, _pname, _pdata, _phw, _iflags) \ +static struct clk_regmap _name = { \ + .data = &(struct clk_regmap_gate_data){ \ + .offset = _reg, \ + .bit_idx = _bit, \ + .flags = _gflags, \ + }, \ + .hw.init = &(struct clk_init_data) { \ + .name = #_name, \ + .ops = _ops, \ + .parent_names = _pname, \ + .parent_data = _pdata, \ + .parent_hws = (const struct clk_hw *[]) { _phw }, \ + .num_parents = 1, \ + .flags = _iflags, \ + }, \ +} + +#define __AML_CLK_FIXED_FACTOR(_name, _mult, _div, _ops, \ + _pname, _pdata, _phw, _iflags) \ + static struct clk_fixed_factor _name = { \ + .mult = _mult, \ + .div = _div, \ + .hw.init = &(struct clk_init_data){ \ + .name = #_name, \ + .ops = _ops, \ + .parent_names = _pname, \ + .parent_data = _pdata, \ + .parent_hws = (const struct clk_hw *[]) { _phw }, \ + .num_parents = 1, \ + .flags = _iflags, \ + }, \ +} + +#define AML_CLK_PLL_RW(_name, _en_reg, _en_shift, _en_width, \ + _m_reg, _m_shift, _m_width, \ + _f_reg, _f_shift, _f_width, \ + _n_reg, _n_shift, _n_width, \ + _l_reg, _l_shift, _l_width, \ + _r_reg, _r_shift, _r_width, \ + _init_reg, _init_reg_cnt, _range, _table, _dflags,\ + _pdata, _iflags) \ + __AML_CLK_PLL(_name, _en_reg, _en_shift, _en_width, \ + _m_reg, _m_shift, _m_width, \ + _f_reg, _f_shift, _f_width, \ + _n_reg, _n_shift, _n_width, \ + _l_reg, _l_shift, _l_width, \ + _r_reg, _r_shift, _r_width, \ + _init_reg, _init_reg_cnt, _range, _table, \ + _dflags, &meson_clk_pll_ops, \ + NULL, _pdata, NULL, _iflags) + +#define AML_CLK_PLL_RO(_name, _en_reg, _en_shift, _en_width, \ + _m_reg, _m_shift, _m_width, \ + _f_reg, _f_shift, _f_width, \ + _n_reg, _n_shift, _n_width, \ + _l_reg, _l_shift, _l_width, \ + _r_reg, _r_shift, _r_width, \ + _init_reg, _init_reg_cnt, _range, _table, \ + _dflags, _pdata, _iflags) \ + __AML_CLK_PLL(_name, _en_reg, _en_shift, _en_width, \ + _m_reg, _m_shift, _m_width, \ + _f_reg, _f_shift, _f_width, \ + _n_reg, _n_shift, _n_width, \ + _l_reg, _l_shift, _l_width, \ + _r_reg, _r_shift, _r_width, \ + _init_reg, _init_reg_cnt, _range, _table, \ + _dflags, &meson_clk_pll_ro_ops, \ + NULL, _pdata, NULL, _iflags) + +#define AML_CLK_MUX_RW(_name, _reg, _mask, _shift, _table, _dflags, \ + _pdata, _iflags) \ + __AML_CLK_MUX(_name, _reg, _mask, _shift, _table, _dflags, \ + &clk_regmap_mux_ops, NULL, _pdata, NULL, \ + ARRAY_SIZE(_pdata), _iflags) + +#define AML_CLK_DIV_RW(_name, _reg, _shift, _width, _table, _dflags, \ + _phw, _iflags) \ + __AML_CLK_DIV(_name, _reg, _shift, _width, _table, _dflags, \ + &clk_regmap_divider_ops, NULL, NULL, \ + _phw, _iflags) + +#define AML_CLK_DIV_RO(_name, _reg, _shift, _width, _table, _dflags, \ + _phw, _iflags) \ + __AML_CLK_DIV(_name, _reg, _shift, _width, _table, _dflags, \ + &clk_regmap_divider_ro_ops, NULL, NULL, \ + _phw, _iflags) + +#define AML_CLK_GATE_RW(_name, _reg, _bit, _dflags, _phw, _iflags) \ + __AML_CLK_GATE(_name, _reg, _bit, _dflags, \ + &clk_regmap_gate_ops, NULL, NULL, _phw, \ + _iflags) + +#define AML_CLK_GATE_RO(_name, _reg, _bit, _dflags, _phw, _iflags) \ + __AML_CLK_GATE(_name, _reg, _bit, _dflags, \ + &clk_regmap_gate_ro_ops, NULL, NULL, _phw, \ + _iflags) + +#define AML_CLK_FIXED_FACTOR(_name, _mult, _div, _phw, _iflags) \ + __AML_CLK_FIXED_FACTOR(_name, _mult, _div, \ + &clk_fixed_factor_ops, NULL, NULL, \ + _phw, _iflags) + +static const struct clk_parent_data pll_dco_parent = { + .fw_name = "pll_in", +}; + +static const struct clk_parent_data mclk_pll_dco_parent = { + .fw_name = "mclk_pll_in", +}; + +AML_CLK_PLL_RO(fixed_pll_dco, ANACTRL_FIXPLL_CTRL0, 28, 1, /* en */ + ANACTRL_FIXPLL_CTRL0, 0, 8, /* m */ + 0, 0, 0, /* frac */ + ANACTRL_FIXPLL_CTRL0, 16, 5, /* n */ + ANACTRL_FIXPLL_CTRL0, 31, 1, /* lock */ + ANACTRL_FIXPLL_CTRL0, 29, 1, /* rst */ + NULL, 0, NULL, NULL, 0, &pll_dco_parent, 0); +AML_CLK_DIV_RO(fixed_pll, ANACTRL_FIXPLL_CTRL0, 12, 3, NULL, + CLK_DIVIDER_POWER_OF_TWO, &fixed_pll_dco.hw, 0); +AML_CLK_FIXED_FACTOR(fclk_div40_div, 1, 40, &fixed_pll.hw, 0); +AML_CLK_GATE_RO(fclk_div40, ANACTRL_FIXPLL_CTRL4, 0, 0, &fclk_div40_div.hw, 0); +AML_CLK_FIXED_FACTOR(fclk_div2_div, 1, 2, &fixed_pll.hw, 0); +AML_CLK_GATE_RO(fclk_div2, ANACTRL_FIXPLL_CTRL4, 24, 0, &fclk_div2_div.hw, 0); +AML_CLK_FIXED_FACTOR(fclk_div2p5_div, 2, 5, &fixed_pll.hw, 0); +AML_CLK_GATE_RO(fclk_div2p5, ANACTRL_FIXPLL_CTRL4, 4, 0, &fclk_div2p5_div.hw, 0); +AML_CLK_FIXED_FACTOR(fclk_div3_div, 1, 3, &fixed_pll.hw, 0); +AML_CLK_GATE_RO(fclk_div3, ANACTRL_FIXPLL_CTRL4, 20, 0, &fclk_div3_div.hw, 0); +AML_CLK_FIXED_FACTOR(fclk_div4_div, 1, 4, &fixed_pll.hw, 0); +AML_CLK_GATE_RO(fclk_div4, ANACTRL_FIXPLL_CTRL4, 21, 0, &fclk_div4_div.hw, 0); +AML_CLK_FIXED_FACTOR(fclk_div5_div, 1, 5, &fixed_pll.hw, 0); +AML_CLK_GATE_RO(fclk_div5, ANACTRL_FIXPLL_CTRL4, 22, 0, &fclk_div5_div.hw, 0); +AML_CLK_FIXED_FACTOR(fclk_div7_div, 1, 7, &fixed_pll.hw, 0); +AML_CLK_GATE_RO(fclk_div7, ANACTRL_FIXPLL_CTRL4, 23, 0, &fclk_div7_div.hw, 0); + +static const struct reg_sequence c3_gp0_init_regs[] = { + { .reg = ANACTRL_GP0PLL_CTRL1, .def = 0x0 }, + { .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, .delay_us = 10 }, + { .reg = ANACTRL_GP0PLL_CTRL0, .def = 0x080304fa }, + { .reg = ANACTRL_GP0PLL_CTRL0, .def = 0x380304fa, .delay_us = 10 }, + { .reg = ANACTRL_GP0PLL_CTRL0, .def = 0X180304fa } +}; + +static const struct pll_params_table c3_gp0_pll_params_table[] = { + PLL_PARAMS(150, 1), /* DCO = 3600M */ + PLL_PARAMS(130, 1), /* DCO = 3120M */ + PLL_PARAMS(192, 1), /* DCO = 4608M */ + PLL_PARAMS(125, 1), /* DCO = 3000M */ + { /* sentinel */ } +}; + +/* 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 */ } +}; + +AML_CLK_PLL_RW(gp0_pll_dco, ANACTRL_GP0PLL_CTRL0, 28, 1, /* en */ + ANACTRL_GP0PLL_CTRL0, 0, 9, /* m */ + ANACTRL_GP0PLL_CTRL1, 0, 19, /* frac */ + ANACTRL_GP0PLL_CTRL0, 10, 5, /* n */ + ANACTRL_GP0PLL_CTRL0, 31, 1, /* lock */ + ANACTRL_GP0PLL_CTRL0, 29, 1, /* rst */ + c3_gp0_init_regs, ARRAY_SIZE(c3_gp0_init_regs), + NULL, c3_gp0_pll_params_table, 0, + &pll_dco_parent, 0); +AML_CLK_DIV_RW(gp0_pll, ANACTRL_GP0PLL_CTRL0, 16, 3, + c3_gp0_pll_od_table, 0, + &gp0_pll_dco.hw, CLK_SET_RATE_PARENT); + +static const struct reg_sequence c3_hifi_init_regs[] = { + { .reg = ANACTRL_HIFIPLL_CTRL0, .def = 0x08010496 }, + { .reg = ANACTRL_HIFIPLL_CTRL0, .def = 0x38010496 }, + { .reg = ANACTRL_HIFIPLL_CTRL1, .def = 0x0000ce40 }, + { .reg = ANACTRL_HIFIPLL_CTRL2, .def = 0x00000000 }, + { .reg = ANACTRL_HIFIPLL_CTRL3, .def = 0x6a285c00 }, + { .reg = ANACTRL_HIFIPLL_CTRL4, .def = 0x65771290 }, + { .reg = ANACTRL_HIFIPLL_CTRL5, .def = 0x3927200a }, + { .reg = ANACTRL_HIFIPLL_CTRL6, .def = 0x56540000, .delay_us = 50 }, + { .reg = ANACTRL_HIFIPLL_CTRL0, .def = 0x18010496, .delay_us = 20 }, +}; + +static const struct pll_params_table c3_hifi_pll_params_table[] = { + PLL_PARAMS(150, 1), /* DCO = 3600M */ + PLL_PARAMS(130, 1), /* DCO = 3120M */ + PLL_PARAMS(192, 1), /* DCO = 4608M */ + PLL_PARAMS(125, 1), /* DCO = 3000M */ + { /* sentinel */ } +}; + +AML_CLK_PLL_RW(hifi_pll_dco, ANACTRL_HIFIPLL_CTRL0, 28, 1, /* en */ + ANACTRL_HIFIPLL_CTRL0, 0, 8, /* m */ + ANACTRL_HIFIPLL_CTRL1, 0, 19, /* frac */ + ANACTRL_HIFIPLL_CTRL0, 10, 5, /* n */ + ANACTRL_HIFIPLL_CTRL0, 31, 1, /* lock */ + ANACTRL_HIFIPLL_CTRL0, 29, 1, /* rst */ + c3_hifi_init_regs, ARRAY_SIZE(c3_hifi_init_regs), + NULL, c3_hifi_pll_params_table, 0, + &pll_dco_parent, 0); +AML_CLK_DIV_RW(hifi_pll, ANACTRL_HIFIPLL_CTRL0, 16, 2, + NULL, CLK_DIVIDER_POWER_OF_TWO, + &hifi_pll_dco.hw, CLK_SET_RATE_PARENT); + +static const struct reg_sequence c3_mclk_init_regs[] = { + { .reg = ANACTRL_MPLL_CTRL0, .def = 0x20011063 }, + { .reg = ANACTRL_MPLL_CTRL0, .def = 0x30011063 }, + { .reg = ANACTRL_MPLL_CTRL1, .def = 0x1420500f }, + { .reg = ANACTRL_MPLL_CTRL2, .def = 0x00023041 }, + { .reg = ANACTRL_MPLL_CTRL3, .def = 0x18180000 }, + { .reg = ANACTRL_MPLL_CTRL0, .def = 0x10011063 }, + { .reg = ANACTRL_MPLL_CTRL2, .def = 0x00023001 } +}; + +static const struct pll_params_table c3_mclk_pll_params_table[] = { + PLL_PARAMS(99, 1), /* VCO = 2376M */ + { /* sentinel */ } +}; + +static const struct clk_div_table c3_mpll_od_table[] = { + { 0, 1 }, + { 1, 2 }, + { 2, 4 }, + { 3, 8 }, + { 4, 16 }, + { /* sentinel */ } +}; + +AML_CLK_PLL_RW(mclk_pll_dco, ANACTRL_MPLL_CTRL0, 28, 1, /* en */ + ANACTRL_MPLL_CTRL0, 0, 8, /* m */ + 0, 0, 0, /* frac */ + ANACTRL_MPLL_CTRL0, 16, 5, /* n */ + ANACTRL_MPLL_CTRL0, 31, 1, /* lock */ + ANACTRL_MPLL_CTRL0, 29, 1, /* rst */ + c3_mclk_init_regs, ARRAY_SIZE(c3_mclk_init_regs), + NULL, c3_mclk_pll_params_table, 0, + &mclk_pll_dco_parent, 0); +AML_CLK_DIV_RW(mclk_pll, ANACTRL_MPLL_CTRL0, 12, 3, + c3_mpll_od_table, 0, + &mclk_pll_dco.hw, CLK_SET_RATE_PARENT); +AML_CLK_DIV_RW(mclk_pll_clk, ANACTRL_MPLL_CTRL4, 16, 5, NULL, + CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO, + &mclk_pll.hw, CLK_SET_RATE_PARENT); + +static const struct clk_parent_data mclk_parent[] = { + { .hw = &mclk_pll_clk.hw }, + { .fw_name = "mclk_pll_in" }, + { .hw = &fclk_div40.hw } +}; + +AML_CLK_MUX_RW(mclk0_sel, ANACTRL_MPLL_CTRL4, 0x3, 4, NULL, 0, + mclk_parent, 0); +AML_CLK_GATE_RW(mclk0_sel_out, ANACTRL_MPLL_CTRL4, 1, 0, + &mclk0_sel.hw, CLK_SET_RATE_PARENT); +AML_CLK_DIV_RW(mclk0_div, ANACTRL_MPLL_CTRL4, 2, 1, NULL, 0, + &mclk0_sel_out.hw, CLK_SET_RATE_PARENT); +AML_CLK_GATE_RW(mclk0, ANACTRL_MPLL_CTRL4, 0, 0, + &mclk0_div.hw, CLK_SET_RATE_PARENT); + +AML_CLK_MUX_RW(mclk1_sel, ANACTRL_MPLL_CTRL4, 0x3, 12, NULL, 0, + mclk_parent, 0); +AML_CLK_GATE_RW(mclk1_sel_out, ANACTRL_MPLL_CTRL4, 9, 0, + &mclk1_sel.hw, CLK_SET_RATE_PARENT); +AML_CLK_DIV_RW(mclk1_div, ANACTRL_MPLL_CTRL4, 10, 1, NULL, 0, + &mclk1_sel_out.hw, CLK_SET_RATE_PARENT); +AML_CLK_GATE_RW(mclk1, ANACTRL_MPLL_CTRL4, 8, 0, + &mclk1_div.hw, CLK_SET_RATE_PARENT); + +static struct clk_hw *c3_pll_hw_clks[] = { + [CLKID_FIXED_PLL_DCO] = &fixed_pll_dco.hw, + [CLKID_FIXED_PLL] = &fixed_pll.hw, + [CLKID_FCLK_DIV40_DIV] = &fclk_div40_div.hw, + [CLKID_FCLK_DIV40] = &fclk_div40.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] = &mclk_pll.hw, + [CLKID_MCLK_PLL_CLK] = &mclk_pll_clk.hw, + [CLKID_MCLK0_SEL] = &mclk0_sel.hw, + [CLKID_MCLK0_SEL_OUT] = &mclk0_sel_out.hw, + [CLKID_MCLK0_DIV] = &mclk0_div.hw, + [CLKID_MCLK0] = &mclk0.hw, + [CLKID_MCLK1_SEL] = &mclk1_sel.hw, + [CLKID_MCLK1_SEL_OUT] = &mclk1_sel_out.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[] = { + &fixed_pll_dco, + &fixed_pll, + &fclk_div40, + &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, + &mclk_pll_clk, + &mclk0_sel, + &mclk0_sel_out, + &mclk0_div, + &mclk0, + &mclk1_sel, + &mclk1_sel_out, + &mclk1_div, + &mclk1, +}; + +static struct regmap_config clkc_regmap_config = { + .reg_bits = 32, + .val_bits = 32, + .reg_stride = 4, +}; + +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"); diff --git a/drivers/clk/meson/c3-pll.h b/drivers/clk/meson/c3-pll.h new file mode 100644 index 000000000000..92a08196a46f --- /dev/null +++ b/drivers/clk/meson/c3-pll.h @@ -0,0 +1,35 @@ +/* SPDX-License-Identifier: (GPL-2.0-only OR MIT) */ +/* + * Copyright (c) 2023 Amlogic, inc. + * Author: Chuan Liu + */ + +#ifndef __AML_C3_PLL_H__ +#define __AML_C3_PLL_H__ + +#define ANACTRL_FIXPLL_CTRL0 0x0040 +#define ANACTRL_FIXPLL_CTRL4 0x0050 +#define ANACTRL_GP0PLL_CTRL0 0x0080 +#define ANACTRL_GP0PLL_CTRL1 0x0084 +#define ANACTRL_GP0PLL_CTRL2 0x0088 +#define ANACTRL_GP0PLL_CTRL3 0x008c +#define ANACTRL_GP0PLL_CTRL4 0x0090 +#define ANACTRL_GP0PLL_CTRL5 0x0094 +#define ANACTRL_GP0PLL_CTRL6 0x0098 +#define ANACTRL_GP0PLL_STS 0x009c +#define ANACTRL_HIFIPLL_CTRL0 0x0100 +#define ANACTRL_HIFIPLL_CTRL1 0x0104 +#define ANACTRL_HIFIPLL_CTRL2 0x0108 +#define ANACTRL_HIFIPLL_CTRL3 0x010c +#define ANACTRL_HIFIPLL_CTRL4 0x0110 +#define ANACTRL_HIFIPLL_CTRL5 0x0114 +#define ANACTRL_HIFIPLL_CTRL6 0x0118 +#define ANACTRL_HIFIPLL_STS 0x011c +#define ANACTRL_MPLL_CTRL0 0x0180 +#define ANACTRL_MPLL_CTRL1 0x0184 +#define ANACTRL_MPLL_CTRL2 0x0188 +#define ANACTRL_MPLL_CTRL3 0x018c +#define ANACTRL_MPLL_CTRL4 0x0190 +#define ANACTRL_MPLL_STS 0x01a4 + +#endif /* __AML_C3_PLL_H__ */