From patchwork Tue Sep 14 08:51:31 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sam Shih X-Patchwork-Id: 512719 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, UNPARSEABLE_RELAY, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1B86DC4321E for ; Tue, 14 Sep 2021 08:52:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0910B61151 for ; Tue, 14 Sep 2021 08:52:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231416AbhINIyE (ORCPT ); Tue, 14 Sep 2021 04:54:04 -0400 Received: from mailgw02.mediatek.com ([210.61.82.184]:51068 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S231313AbhINIyB (ORCPT ); Tue, 14 Sep 2021 04:54:01 -0400 X-UUID: becb58220d8945c5933d388bcc3f58dd-20210914 X-UUID: becb58220d8945c5933d388bcc3f58dd-20210914 Received: from mtkcas07.mediatek.inc [(172.21.101.84)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1568461958; Tue, 14 Sep 2021 16:52:39 +0800 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs05n2.mediatek.inc (172.21.101.140) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 14 Sep 2021 16:52:38 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 14 Sep 2021 16:52:38 +0800 From: Sam Shih To: Rob Herring , Sean Wang , Linus Walleij , Matthias Brugger , Matt Mackall , Herbert Xu , Greg Kroah-Hartman , Wim Van Sebroeck , Guenter Roeck , Michael Turquette , Stephen Boyd , Hsin-Yi Wang , Enric Balletbo i Serra , Fabien Parent , Seiya Wang , , , , , , , , , CC: John Crispin , Ryder Lee , Sam Shih Subject: [RESEND,v2,3/9] clk: mediatek: add mt7986 clock support Date: Tue, 14 Sep 2021 16:51:31 +0800 Message-ID: <20210914085137.31761-4-sam.shih@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20210914085137.31761-1-sam.shih@mediatek.com> References: <20210914085137.31761-1-sam.shih@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-serial@vger.kernel.org Add MT7986 clock support, include topckgen, apmixedsys, infracfg, and ethernet subsystem clocks. Signed-off-by: Sam Shih --- v2: applied the comment suggested by reviewers: - splited basic clock driver to apmixed, topckgen, and infracfg - removed 1:1 factor clock - renamed factor clock for easier to understand --- drivers/clk/mediatek/Kconfig | 17 ++ drivers/clk/mediatek/Makefile | 4 + drivers/clk/mediatek/clk-mt7986-apmixed.c | 78 +++++ drivers/clk/mediatek/clk-mt7986-eth.c | 132 +++++++++ drivers/clk/mediatek/clk-mt7986-infracfg.c | 198 +++++++++++++ drivers/clk/mediatek/clk-mt7986-topckgen.c | 319 +++++++++++++++++++++ 6 files changed, 748 insertions(+) create mode 100644 drivers/clk/mediatek/clk-mt7986-apmixed.c create mode 100644 drivers/clk/mediatek/clk-mt7986-eth.c create mode 100644 drivers/clk/mediatek/clk-mt7986-infracfg.c create mode 100644 drivers/clk/mediatek/clk-mt7986-topckgen.c diff --git a/drivers/clk/mediatek/Kconfig b/drivers/clk/mediatek/Kconfig index 439b7c8d0d07..f5f0c0c1012a 100644 --- a/drivers/clk/mediatek/Kconfig +++ b/drivers/clk/mediatek/Kconfig @@ -344,6 +344,23 @@ config COMMON_CLK_MT7629_HIFSYS This driver supports MediaTek MT7629 HIFSYS clocks providing to PCI-E and USB. +config COMMON_CLK_MT7986 + bool "Clock driver for MediaTek MT7986" + depends on ARCH_MEDIATEK || COMPILE_TEST + select COMMON_CLK_MEDIATEK + default ARCH_MEDIATEK + help + This driver supports MediaTek MT7986 basic clocks and clocks + required for various periperals found on MediaTek. + +config COMMON_CLK_MT7986_ETHSYS + bool "Clock driver for MediaTek MT7986 ETHSYS" + depends on COMMON_CLK_MT7986 + default COMMON_CLK_MT7986 + help + This driver add support for clocks for Ethernet and SGMII + required on MediaTek MT7986 SoC. + config COMMON_CLK_MT8135 bool "Clock driver for MediaTek MT8135" depends on (ARCH_MEDIATEK && ARM) || COMPILE_TEST diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile index 15bc045f0b71..fec514413c98 100644 --- a/drivers/clk/mediatek/Makefile +++ b/drivers/clk/mediatek/Makefile @@ -46,6 +46,10 @@ obj-$(CONFIG_COMMON_CLK_MT7622_AUDSYS) += clk-mt7622-aud.o obj-$(CONFIG_COMMON_CLK_MT7629) += clk-mt7629.o obj-$(CONFIG_COMMON_CLK_MT7629_ETHSYS) += clk-mt7629-eth.o obj-$(CONFIG_COMMON_CLK_MT7629_HIFSYS) += clk-mt7629-hif.o +obj-$(CONFIG_COMMON_CLK_MT7986) += clk-mt7986-apmixed.o +obj-$(CONFIG_COMMON_CLK_MT7986) += clk-mt7986-topckgen.o +obj-$(CONFIG_COMMON_CLK_MT7986) += clk-mt7986-infracfg.o +obj-$(CONFIG_COMMON_CLK_MT7986_ETHSYS) += clk-mt7986-eth.o obj-$(CONFIG_COMMON_CLK_MT8135) += clk-mt8135.o obj-$(CONFIG_COMMON_CLK_MT8167) += clk-mt8167.o obj-$(CONFIG_COMMON_CLK_MT8167_AUDSYS) += clk-mt8167-aud.o diff --git a/drivers/clk/mediatek/clk-mt7986-apmixed.c b/drivers/clk/mediatek/clk-mt7986-apmixed.c new file mode 100644 index 000000000000..0925d61b55f2 --- /dev/null +++ b/drivers/clk/mediatek/clk-mt7986-apmixed.c @@ -0,0 +1,78 @@ +// SPDX-License-Identifier: GPL-1.0 +/* + * Copyright (c) 2021 MediaTek Inc. + * Author: Sam Shih + * Author: Wenzhen Yu + */ + +#include +#include +#include +#include +#include +#include "clk-mtk.h" +#include "clk-gate.h" +#include "clk-mux.h" + +#include +#include + +#define MT7986_PLL_FMAX (2500UL * MHZ) +#define CON0_MT7986_RST_BAR BIT(27) + +#define PLL_xtal(_id, _name, _reg, _pwr_reg, _en_mask, _flags, _pcwbits, \ + _pd_reg, _pd_shift, _tuner_reg, _pcw_reg, _pcw_shift, \ + _div_table, _parent_name) \ + { \ + .id = _id, .name = _name, .reg = _reg, .pwr_reg = _pwr_reg, \ + .en_mask = _en_mask, .flags = _flags, \ + .rst_bar_mask = CON0_MT7986_RST_BAR, .fmax = MT7986_PLL_FMAX, \ + .pcwbits = _pcwbits, .pd_reg = _pd_reg, .pd_shift = _pd_shift, \ + .tuner_reg = _tuner_reg, .pcw_reg = _pcw_reg, \ + .pcw_shift = _pcw_shift, .div_table = _div_table, \ + .parent_name = _parent_name, \ + } + +#define PLL(_id, _name, _reg, _pwr_reg, _en_mask, _flags, _pcwbits, _pd_reg, \ + _pd_shift, _tuner_reg, _pcw_reg, _pcw_shift) \ + PLL_xtal(_id, _name, _reg, _pwr_reg, _en_mask, _flags, _pcwbits, \ + _pd_reg, _pd_shift, _tuner_reg, _pcw_reg, _pcw_shift, NULL, \ + "clkxtal") + +static const struct mtk_pll_data plls[] = { + PLL(CLK_APMIXED_ARMPLL, "armpll", 0x0200, 0x020C, 0x00000001, 0, 32, + 0x0200, 4, 0, 0x0204, 0), + PLL(CLK_APMIXED_NET2PLL, "net2pll", 0x0210, 0x021C, 0x00000001, 0, 32, + 0x0210, 4, 0, 0x0214, 0), + PLL(CLK_APMIXED_MMPLL, "mmpll", 0x0220, 0x022C, 0x00000001, 0, 32, + 0x0220, 4, 0, 0x0224, 0), + PLL(CLK_APMIXED_SGMPLL, "sgmpll", 0x0230, 0x023c, 0x00000001, 0, 32, + 0x0230, 4, 0, 0x0234, 0), + PLL(CLK_APMIXED_WEDMCUPLL, "wedmcupll", 0x0240, 0x024c, 0x00000001, 0, + 32, 0x0240, 4, 0, 0x0244, 0), + PLL(CLK_APMIXED_NET1PLL, "net1pll", 0x0250, 0x025c, 0x00000001, 0, 32, + 0x0250, 4, 0, 0x0254, 0), + PLL(CLK_APMIXED_MPLL, "mpll", 0x0260, 0x0270, 0x00000001, 0, 32, 0x0260, + 4, 0, 0x0264, 0), + PLL(CLK_APMIXED_APLL2, "apll2", 0x0278, 0x0288, 0x00000001, 0, 32, + 0x0278, 4, 0, 0x027c, 0), +}; + +static void __init mtk_apmixedsys_init(struct device_node *node) +{ + struct clk_onecell_data *clk_data; + int r; + + clk_data = mtk_alloc_clk_data(ARRAY_SIZE(plls)); + + mtk_clk_register_plls(node, plls, ARRAY_SIZE(plls), clk_data); + + clk_prepare_enable(clk_data->clks[CLK_APMIXED_ARMPLL]); + + r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); + if (r) + pr_err("%s(): could not register clock provider: %d\n", + __func__, r); +} +CLK_OF_DECLARE(mtk_apmixedsys, "mediatek,mt7986-apmixedsys", + mtk_apmixedsys_init); diff --git a/drivers/clk/mediatek/clk-mt7986-eth.c b/drivers/clk/mediatek/clk-mt7986-eth.c new file mode 100644 index 000000000000..495d023ccad7 --- /dev/null +++ b/drivers/clk/mediatek/clk-mt7986-eth.c @@ -0,0 +1,132 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2021 MediaTek Inc. + * Author: Sam Shih + * Author: Wenzhen Yu + */ + +#include +#include +#include +#include +#include + +#include "clk-mtk.h" +#include "clk-gate.h" + +#include + +static const struct mtk_gate_regs sgmii0_cg_regs = { + .set_ofs = 0xe4, + .clr_ofs = 0xe4, + .sta_ofs = 0xe4, +}; + +#define GATE_SGMII0(_id, _name, _parent, _shift) \ + { \ + .id = _id, .name = _name, .parent_name = _parent, \ + .regs = &sgmii0_cg_regs, .shift = _shift, \ + .ops = &mtk_clk_gate_ops_no_setclr_inv, \ + } + +static const struct mtk_gate sgmii0_clks[] __initconst = { + GATE_SGMII0(CLK_SGMII0_TX250M_EN, "sgmii0_tx250m_en", "top_xtal", 2), + GATE_SGMII0(CLK_SGMII0_RX250M_EN, "sgmii0_rx250m_en", "top_xtal", 3), + GATE_SGMII0(CLK_SGMII0_CDR_REF, "sgmii0_cdr_ref", "top_xtal", 4), + GATE_SGMII0(CLK_SGMII0_CDR_FB, "sgmii0_cdr_fb", "top_xtal", 5), +}; + +static const struct mtk_gate_regs sgmii1_cg_regs = { + .set_ofs = 0xe4, + .clr_ofs = 0xe4, + .sta_ofs = 0xe4, +}; + +#define GATE_SGMII1(_id, _name, _parent, _shift) \ + { \ + .id = _id, .name = _name, .parent_name = _parent, \ + .regs = &sgmii1_cg_regs, .shift = _shift, \ + .ops = &mtk_clk_gate_ops_no_setclr_inv, \ + } + +static const struct mtk_gate sgmii1_clks[] __initconst = { + GATE_SGMII1(CLK_SGMII1_TX250M_EN, "sgmii1_tx250m_en", "top_xtal", 2), + GATE_SGMII1(CLK_SGMII1_RX250M_EN, "sgmii1_rx250m_en", "top_xtal", 3), + GATE_SGMII1(CLK_SGMII1_CDR_REF, "sgmii1_cdr_ref", "top_xtal", 4), + GATE_SGMII1(CLK_SGMII1_CDR_FB, "sgmii1_cdr_fb", "top_xtal", 5), +}; + +static const struct mtk_gate_regs eth_cg_regs = { + .set_ofs = 0x30, + .clr_ofs = 0x30, + .sta_ofs = 0x30, +}; + +#define GATE_ETH(_id, _name, _parent, _shift) \ + { \ + .id = _id, .name = _name, .parent_name = _parent, \ + .regs = ð_cg_regs, .shift = _shift, \ + .ops = &mtk_clk_gate_ops_no_setclr_inv, \ + } + +static const struct mtk_gate eth_clks[] __initconst = { + GATE_ETH(CLK_ETH_FE_EN, "eth_fe_en", "netsys_2x_sel", 6), + GATE_ETH(CLK_ETH_GP2_EN, "eth_gp2_en", "sgm_325m_sel", 7), + GATE_ETH(CLK_ETH_GP1_EN, "eth_gp1_en", "sgm_325m_sel", 8), + GATE_ETH(CLK_ETH_WOCPU1_EN, "eth_wocpu1_en", "netsys_mcu_sel", 14), + GATE_ETH(CLK_ETH_WOCPU0_EN, "eth_wocpu0_en", "netsys_mcu_sel", 15), +}; + +static void __init mtk_sgmiisys_0_init(struct device_node *node) +{ + struct clk_onecell_data *clk_data; + int r; + + clk_data = mtk_alloc_clk_data(ARRAY_SIZE(sgmii0_clks)); + + mtk_clk_register_gates(node, sgmii0_clks, ARRAY_SIZE(sgmii0_clks), + clk_data); + + r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); + if (r) + pr_err("%s(): could not register clock provider: %d\n", + __func__, r); +} +CLK_OF_DECLARE(mtk_sgmiisys_0, "mediatek,mt7986-sgmiisys_0", + mtk_sgmiisys_0_init); + +static void __init mtk_sgmiisys_1_init(struct device_node *node) +{ + struct clk_onecell_data *clk_data; + int r; + + clk_data = mtk_alloc_clk_data(ARRAY_SIZE(sgmii1_clks)); + + mtk_clk_register_gates(node, sgmii1_clks, ARRAY_SIZE(sgmii1_clks), + clk_data); + + r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); + + if (r) + pr_err("%s(): could not register clock provider: %d\n", + __func__, r); +} +CLK_OF_DECLARE(mtk_sgmiisys_1, "mediatek,mt7986-sgmiisys_1", + mtk_sgmiisys_1_init); + +static void __init mtk_ethsys_init(struct device_node *node) +{ + struct clk_onecell_data *clk_data; + int r; + + clk_data = mtk_alloc_clk_data(ARRAY_SIZE(eth_clks)); + + mtk_clk_register_gates(node, eth_clks, ARRAY_SIZE(eth_clks), clk_data); + + r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); + + if (r) + pr_err("%s(): could not register clock provider: %d\n", + __func__, r); +} +CLK_OF_DECLARE(mtk_ethsys, "mediatek,mt7986-ethsys_ck", mtk_ethsys_init); diff --git a/drivers/clk/mediatek/clk-mt7986-infracfg.c b/drivers/clk/mediatek/clk-mt7986-infracfg.c new file mode 100644 index 000000000000..35e16c28966a --- /dev/null +++ b/drivers/clk/mediatek/clk-mt7986-infracfg.c @@ -0,0 +1,198 @@ +// SPDX-License-Identifier: GPL-1.0 +/* + * Copyright (c) 2021 MediaTek Inc. + * Author: Sam Shih + * Author: Wenzhen Yu + */ + +#include +#include +#include +#include +#include +#include "clk-mtk.h" +#include "clk-gate.h" +#include "clk-mux.h" + +#include +#include + +static DEFINE_SPINLOCK(mt7986_clk_lock); + +static const struct mtk_fixed_factor infra_divs[] __initconst = { + FACTOR(CLK_INFRA_SYSAXI_D2, "infra_sysaxi_d2", "sysaxi_sel", 1, 2), +}; + +static const char *const infra_uart_parent[] __initconst = { "csw_f26m_sel", + "uart_sel" }; + +static const char *const infra_spi_parents[] __initconst = { "i2c_sel", + "spi_sel" }; + +static const char *const infra_pwm_bsel_parents[] __initconst = { + "top_rtc_32p7k", "csw_f26m_sel", "infra_sysaxi_d2", "pwm_sel" +}; + +static const char *const infra_pcie_parents[] __initconst = { + "top_rtc_32p7k", "csw_f26m_sel", "top_xtal", "pextp_tl_ck_sel" +}; + +static const struct mtk_mux infra_muxes[] = { + /* MODULE_CLK_SEL_0 */ + MUX_GATE_CLR_SET_UPD(CLK_INFRA_UART0_SEL, "infra_uart0_sel", + infra_uart_parent, 0x0018, 0x0010, 0x0014, 0, 1, + -1, -1, -1), + MUX_GATE_CLR_SET_UPD(CLK_INFRA_UART1_SEL, "infra_uart1_sel", + infra_uart_parent, 0x0018, 0x0010, 0x0014, 1, 1, + -1, -1, -1), + MUX_GATE_CLR_SET_UPD(CLK_INFRA_UART2_SEL, "infra_uart2_sel", + infra_uart_parent, 0x0018, 0x0010, 0x0014, 2, 1, + -1, -1, -1), + MUX_GATE_CLR_SET_UPD(CLK_INFRA_SPI0_SEL, "infra_spi0_sel", + infra_spi_parents, 0x0018, 0x0010, 0x0014, 4, 1, + -1, -1, -1), + MUX_GATE_CLR_SET_UPD(CLK_INFRA_SPI1_SEL, "infra_spi1_sel", + infra_spi_parents, 0x0018, 0x0010, 0x0014, 5, 1, + -1, -1, -1), + MUX_GATE_CLR_SET_UPD(CLK_INFRA_PWM1_SEL, "infra_pwm1_sel", + infra_pwm_bsel_parents, 0x0018, 0x0010, 0x0014, 9, + 2, -1, -1, -1), + MUX_GATE_CLR_SET_UPD(CLK_INFRA_PWM2_SEL, "infra_pwm2_sel", + infra_pwm_bsel_parents, 0x0018, 0x0010, 0x0014, 11, + 2, -1, -1, -1), + MUX_GATE_CLR_SET_UPD(CLK_INFRA_PWM_BSEL, "infra_pwm_bsel", + infra_pwm_bsel_parents, 0x0018, 0x0010, 0x0014, 13, + 2, -1, -1, -1), + /* MODULE_CLK_SEL_1 */ + MUX_GATE_CLR_SET_UPD(CLK_INFRA_PCIE_SEL, "infra_pcie_sel", + infra_pcie_parents, 0x0028, 0x0020, 0x0024, 0, 2, + -1, -1, -1), +}; + +static const struct mtk_gate_regs infra0_cg_regs = { + .set_ofs = 0x40, + .clr_ofs = 0x44, + .sta_ofs = 0x48, +}; + +static const struct mtk_gate_regs infra1_cg_regs = { + .set_ofs = 0x50, + .clr_ofs = 0x54, + .sta_ofs = 0x58, +}; + +static const struct mtk_gate_regs infra2_cg_regs = { + .set_ofs = 0x60, + .clr_ofs = 0x64, + .sta_ofs = 0x68, +}; + +#define GATE_INFRA0(_id, _name, _parent, _shift) \ + { \ + .id = _id, .name = _name, .parent_name = _parent, \ + .regs = &infra0_cg_regs, .shift = _shift, \ + .ops = &mtk_clk_gate_ops_setclr, \ + } + +#define GATE_INFRA1(_id, _name, _parent, _shift) \ + { \ + .id = _id, .name = _name, .parent_name = _parent, \ + .regs = &infra1_cg_regs, .shift = _shift, \ + .ops = &mtk_clk_gate_ops_setclr, \ + } + +#define GATE_INFRA2(_id, _name, _parent, _shift) \ + { \ + .id = _id, .name = _name, .parent_name = _parent, \ + .regs = &infra2_cg_regs, .shift = _shift, \ + .ops = &mtk_clk_gate_ops_setclr, \ + } + +static const struct mtk_gate infra_clks[] __initconst = { + /* INFRA0 */ + GATE_INFRA0(CLK_INFRA_GPT_STA, "infra_gpt_sta", "infra_sysaxi_d2", 0), + GATE_INFRA0(CLK_INFRA_PWM_HCK, "infra_pwm_hck", "infra_sysaxi_d2", 1), + GATE_INFRA0(CLK_INFRA_PWM_STA, "infra_pwm_sta", "infra_pwm_bsel", 2), + GATE_INFRA0(CLK_INFRA_PWM1_CK, "infra_pwm1", "infra_pwm1_sel", 3), + GATE_INFRA0(CLK_INFRA_PWM2_CK, "infra_pwm2", "infra_pwm2_sel", 4), + GATE_INFRA0(CLK_INFRA_CQ_DMA_CK, "infra_cq_dma", "sysaxi_sel", 6), + GATE_INFRA0(CLK_INFRA_EIP97_CK, "infra_eip97", "eip_b_sel", 7), + GATE_INFRA0(CLK_INFRA_AUD_BUS_CK, "infra_aud_bus", "sysaxi_sel", 8), + GATE_INFRA0(CLK_INFRA_AUD_26M_CK, "infra_aud_26m", "csw_f26m_sel", 9), + GATE_INFRA0(CLK_INFRA_AUD_L_CK, "infra_aud_l", "aud_l_sel", 10), + GATE_INFRA0(CLK_INFRA_AUD_AUD_CK, "infra_aud_aud", "a1sys_sel", 11), + GATE_INFRA0(CLK_INFRA_AUD_EG2_CK, "infra_aud_eg2", "a_tuner_sel", 13), + GATE_INFRA0(CLK_INFRA_DRAMC_26M_CK, "infra_dramc_26m", "csw_f26m_sel", + 14), + GATE_INFRA0(CLK_INFRA_DBG_CK, "infra_dbg", "infra_sysaxi_d2", 15), + GATE_INFRA0(CLK_INFRA_AP_DMA_CK, "infra_ap_dma", "infra_sysaxi_d2", 16), + GATE_INFRA0(CLK_INFRA_SEJ_CK, "infra_sej", "infra_sysaxi_d2", 24), + GATE_INFRA0(CLK_INFRA_SEJ_13M_CK, "infra_sej_13m", "csw_f26m_sel", 25), + GATE_INFRA0(CLK_INFRA_TRNG_CK, "infra_trng", "sysaxi_sel", 26), + /* INFRA1 */ + GATE_INFRA1(CLK_INFRA_THERM_CK, "infra_therm", "csw_f26m_sel", 0), + GATE_INFRA1(CLK_INFRA_I2C0_CK, "infra_i2c0", "i2c_sel", 1), + GATE_INFRA1(CLK_INFRA_UART0_CK, "infra_uart0", "infra_uart0_sel", 2), + GATE_INFRA1(CLK_INFRA_UART1_CK, "infra_uart1", "infra_uart1_sel", 3), + GATE_INFRA1(CLK_INFRA_UART2_CK, "infra_uart2", "infra_uart2_sel", 4), + GATE_INFRA1(CLK_INFRA_NFI1_CK, "infra_nfi1", "nfi1x_sel", 8), + GATE_INFRA1(CLK_INFRA_SPINFI1_CK, "infra_spinfi1", "spinfi_sel", 9), + GATE_INFRA1(CLK_INFRA_NFI_HCK_CK, "infra_nfi_hck", "infra_sysaxi_d2", + 10), + GATE_INFRA1(CLK_INFRA_SPI0_CK, "infra_spi0", "infra_spi0_sel", 11), + GATE_INFRA1(CLK_INFRA_SPI1_CK, "infra_spi1", "infra_spi1_sel", 12), + GATE_INFRA1(CLK_INFRA_SPI0_HCK_CK, "infra_spi0_hck", "infra_sysaxi_d2", + 13), + GATE_INFRA1(CLK_INFRA_SPI1_HCK_CK, "infra_spi1_hck", "infra_sysaxi_d2", + 14), + GATE_INFRA1(CLK_INFRA_FRTC_CK, "infra_frtc", "top_rtc_32k", 15), + GATE_INFRA1(CLK_INFRA_MSDC_CK, "infra_msdc", "emmc_416m_sel", 16), + GATE_INFRA1(CLK_INFRA_MSDC_HCK_CK, "infra_msdc_hck", "emmc_250m_sel", + 17), + GATE_INFRA1(CLK_INFRA_MSDC_133M_CK, "infra_msdc_133m", "sysaxi_sel", + 18), + GATE_INFRA1(CLK_INFRA_MSDC_66M_CK, "infra_msdc_66m", "infra_sysaxi_d2", + 19), + GATE_INFRA1(CLK_INFRA_ADC_26M_CK, "infra_adc_26m", "csw_f26m_sel", 20), + GATE_INFRA1(CLK_INFRA_ADC_FRC_CK, "infra_adc_frc", "csw_f26m_sel", 21), + GATE_INFRA1(CLK_INFRA_FBIST2FPC_CK, "infra_fbist2fpc", "nfi1x_sel", 23), + /* INFRA2 */ + GATE_INFRA2(CLK_INFRA_IUSB_133_CK, "infra_iusb_133", "sysaxi_sel", 0), + GATE_INFRA2(CLK_INFRA_IUSB_66M_CK, "infra_iusb_66m", "infra_sysaxi_d2", + 1), + GATE_INFRA2(CLK_INFRA_IUSB_SYS_CK, "infra_iusb_sys", "u2u3_sys_sel", 2), + GATE_INFRA2(CLK_INFRA_IUSB_CK, "infra_iusb", "u2u3_sel", 3), + GATE_INFRA2(CLK_INFRA_IPCIE_CK, "infra_ipcie", "pextp_tl_ck_sel", 12), + GATE_INFRA2(CLK_INFRA_IPCIE_PIPE_CK, "infra_ipcie_pipe", "top_xtal", + 13), + GATE_INFRA2(CLK_INFRA_IPCIER_CK, "infra_ipcier", "csw_f26m_sel", 14), + GATE_INFRA2(CLK_INFRA_IPCIEB_CK, "infra_ipcieb", "sysaxi_sel", 15), +}; + +static void __init mtk_infracfg_init(struct device_node *node) +{ + struct clk_onecell_data *clk_data; + int r; + void __iomem *base; + int nr = ARRAY_SIZE(infra_divs) + ARRAY_SIZE(infra_muxes) + + ARRAY_SIZE(infra_clks); + + base = of_iomap(node, 0); + if (!base) { + pr_err("%s(): ioremap failed\n", __func__); + return; + } + + clk_data = mtk_alloc_clk_data(nr); + mtk_clk_register_factors(infra_divs, ARRAY_SIZE(infra_divs), clk_data); + mtk_clk_register_muxes(infra_muxes, ARRAY_SIZE(infra_muxes), node, + &mt7986_clk_lock, clk_data); + mtk_clk_register_gates(node, infra_clks, ARRAY_SIZE(infra_clks), + clk_data); + + r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); + if (r) + pr_err("%s(): could not register clock provider: %d\n", + __func__, r); +} +CLK_OF_DECLARE(mtk_infracfg, "mediatek,mt7986-infracfg", mtk_infracfg_init); diff --git a/drivers/clk/mediatek/clk-mt7986-topckgen.c b/drivers/clk/mediatek/clk-mt7986-topckgen.c new file mode 100644 index 000000000000..0a376044d290 --- /dev/null +++ b/drivers/clk/mediatek/clk-mt7986-topckgen.c @@ -0,0 +1,319 @@ +// SPDX-License-Identifier: GPL-1.0 +/* + * Copyright (c) 2021 MediaTek Inc. + * Author: Sam Shih + * Author: Wenzhen Yu + */ + +#include +#include +#include +#include +#include +#include "clk-mtk.h" +#include "clk-gate.h" +#include "clk-mux.h" + +#include +#include + +static DEFINE_SPINLOCK(mt7986_clk_lock); + +static const struct mtk_fixed_clk top_fixed_clks[] = { + FIXED_CLK(CLK_TOP_XTAL, "top_xtal", "clkxtal", 40000000), + FIXED_CLK(CLK_TOP_JTAG, "top_jtag", "clkxtal", 50000000), +}; + +static const struct mtk_fixed_factor top_divs[] __initconst = { + /* XTAL */ + FACTOR(CLK_TOP_XTAL_D2, "top_xtal_d2", "top_xtal", 1, 2), + FACTOR(CLK_TOP_RTC_32K, "top_rtc_32k", "top_xtal", 1, 1250), + FACTOR(CLK_TOP_RTC_32P7K, "top_rtc_32p7k", "top_xtal", 1, 1220), + /* MPLL */ + FACTOR(CLK_TOP_MPLL_D2, "top_mpll_d2", "mpll", 1, 2), + FACTOR(CLK_TOP_MPLL_D4, "top_mpll_d4", "mpll", 1, 4), + FACTOR(CLK_TOP_MPLL_D8, "top_mpll_d8", "mpll", 1, 8), + FACTOR(CLK_TOP_MPLL_D8_D2, "top_mpll_d8_d2", "mpll", 1, 16), + FACTOR(CLK_TOP_MPLL_D3_D2, "top_mpll_d3_d2", "mpll", 1, 6), + /* MMPLL */ + FACTOR(CLK_TOP_MMPLL_D2, "top_mmpll_d2", "mmpll", 1, 2), + FACTOR(CLK_TOP_MMPLL_D4, "top_mmpll_d4", "mmpll", 1, 4), + FACTOR(CLK_TOP_MMPLL_D8, "top_mmpll_d8", "mmpll", 1, 8), + FACTOR(CLK_TOP_MMPLL_D8_D2, "top_mmpll_d8_d2", "mmpll", 1, 16), + FACTOR(CLK_TOP_MMPLL_D3_D8, "top_mmpll_d3_d8", "mmpll", 1, 24), + FACTOR(CLK_TOP_MMPLL_U2PHY, "top_mmpll_u2phy", "mmpll", 1, 30), + /* APLL2 */ + FACTOR(CLK_TOP_APLL2_D4, "top_apll2_d4", "apll2", 1, 4), + /* NET1PLL */ + FACTOR(CLK_TOP_NET1PLL_D4, "top_net1pll_d4", "net1pll", 1, 4), + FACTOR(CLK_TOP_NET1PLL_D5, "top_net1pll_d5", "net1pll", 1, 5), + FACTOR(CLK_TOP_NET1PLL_D5_D2, "top_net1pll_d5_d2", "net1pll", 1, 10), + FACTOR(CLK_TOP_NET1PLL_D5_D4, "top_net1pll_d5_d4", "net1pll", 1, 20), + FACTOR(CLK_TOP_NET1PLL_D8_D2, "top_net1pll_d8_d2", "net1pll", 1, 16), + FACTOR(CLK_TOP_NET1PLL_D8_D4, "top_net1pll_d8_d4", "net1pll", 1, 32), + /* NET2PLL */ + FACTOR(CLK_TOP_NET2PLL_D4, "top_net2pll_d4", "net2pll", 1, 4), + FACTOR(CLK_TOP_NET2PLL_D4_D2, "top_net2pll_d4_d2", "net2pll", 1, 8), + FACTOR(CLK_TOP_NET2PLL_D3_D2, "top_net2pll_d3_d2", "net2pll", 1, 2), + /* WEDMCUPLL */ + FACTOR(CLK_TOP_WEDMCUPLL_D5_D2, "top_wedmcupll_d5_d2", "wedmcupll", 1, + 10), +}; + +static const char *const nfi1x_parents[] __initconst = { "top_xtal", + "top_mmpll_d8", + "top_net1pll_d8_d2", + "top_net2pll_d3_d2", + "top_mpll_d4", + "top_mmpll_d8_d2", + "top_wedmcupll_d5_d2", + "top_mpll_d8" }; + +static const char *const spinfi_parents[] __initconst = { + "top_xtal_d2", "top_xtal", "top_net1pll_d5_d4", + "top_mpll_d4", "top_mmpll_d8_d2", "top_wedmcupll_d5_d2", + "top_mmpll_d3_d8", "top_mpll_d8" +}; + +static const char *const spi_parents[] __initconst = { + "top_xtal", "top_mpll_d2", "top_mmpll_d8", + "top_net1pll_d8_d2", "top_net2pll_d3_d2", "top_net1pll_d5_d4", + "top_mpll_d4", "top_wedmcupll_d5_d2" +}; + +static const char *const uart_parents[] __initconst = { "top_xtal", + "top_mpll_d8", + "top_mpll_d8_d2" }; + +static const char *const pwm_parents[] __initconst = { + "top_xtal", "top_net1pll_d8_d2", "top_net1pll_d5_d4", "top_mpll_d4" +}; + +static const char *const i2c_parents[] __initconst = { + "top_xtal", "top_net1pll_d5_d4", "top_mpll_d4", "top_net1pll_d8_d4" +}; + +static const char *const pextp_tl_ck_parents[] __initconst = { + "top_xtal", "top_net1pll_d5_d4", "top_net2pll_d4_d2", "top_rtc_32k" +}; + +static const char *const emmc_250m_parents[] __initconst = { + "top_xtal", "top_net1pll_d5_d2" +}; + +static const char *const emmc_416m_parents[] __initconst = { "top_xtal", + "mpll" }; + +static const char *const f_26m_adc_parents[] __initconst = { "top_xtal", + "top_mpll_d8_d2" }; + +static const char *const dramc_md32_parents[] __initconst = { "top_xtal", + "top_mpll_d2" }; + +static const char *const sysaxi_parents[] __initconst = { "top_xtal", + "top_net1pll_d8_d2", + "top_net2pll_d4" }; + +static const char *const sysapb_parents[] __initconst = { "top_xtal", + "top_mpll_d3_d2", + "top_net2pll_d4_d2" }; + +static const char *const arm_db_main_parents[] __initconst = { + "top_xtal", "top_net2pll_d3_d2" +}; + +static const char *const arm_db_jtsel_parents[] __initconst = { "top_jtag", + "top_xtal" }; + +static const char *const netsys_parents[] __initconst = { "top_xtal", + "top_mmpll_d4" }; + +static const char *const netsys_500m_parents[] __initconst = { + "top_xtal", "top_net1pll_d5" +}; + +static const char *const netsys_mcu_parents[] __initconst = { + "top_xtal", "wedmcupll", "top_mmpll_d2", "top_net1pll_d4", + "top_net1pll_d5" +}; + +static const char *const netsys_2x_parents[] __initconst = { + "top_xtal", "net2pll", "wedmcupll", "top_mmpll_d2" +}; + +static const char *const sgm_325m_parents[] __initconst = { "top_xtal", + "sgmpll" }; + +static const char *const sgm_reg_parents[] __initconst = { + "top_xtal", "top_net1pll_d8_d4" +}; + +static const char *const a1sys_parents[] __initconst = { "top_xtal", + "top_apll2_d4" }; + +static const char *const conn_mcusys_parents[] __initconst = { "top_xtal", + "top_mmpll_d2" }; + +static const char *const eip_b_parents[] __initconst = { "top_xtal", + "net2pll" }; + +static const char *const aud_l_parents[] __initconst = { "top_xtal", "apll2", + "top_mpll_d8_d2" }; + +static const char *const a_tuner_parents[] __initconst = { "top_xtal", + "top_apll2_d4", + "top_mpll_d8_d2" }; + +static const char *const u2u3_sys_parents[] __initconst = { + "top_xtal", "top_net1pll_d5_d4" +}; + +static const char *const da_u2_refsel_parents[] __initconst = { + "top_xtal", "top_mmpll_u2phy" +}; + +static const struct mtk_mux top_muxes[] = { + /* CLK_CFG_0 */ + MUX_GATE_CLR_SET_UPD(CLK_TOP_NFI1X_SEL, "nfi1x_sel", nfi1x_parents, + 0x000, 0x004, 0x008, 0, 3, 7, 0x1C0, 0), + MUX_GATE_CLR_SET_UPD(CLK_TOP_SPINFI_SEL, "spinfi_sel", spinfi_parents, + 0x000, 0x004, 0x008, 8, 3, 15, 0x1C0, 1), + MUX_GATE_CLR_SET_UPD(CLK_TOP_SPI_SEL, "spi_sel", spi_parents, 0x000, + 0x004, 0x008, 16, 3, 23, 0x1C0, 2), + MUX_GATE_CLR_SET_UPD(CLK_TOP_SPIM_MST_SEL, "spim_mst_sel", spi_parents, + 0x000, 0x004, 0x008, 24, 3, 31, 0x1C0, 3), + /* CLK_CFG_1 */ + MUX_GATE_CLR_SET_UPD(CLK_TOP_UART_SEL, "uart_sel", uart_parents, 0x010, + 0x014, 0x018, 0, 2, 7, 0x1C0, 4), + MUX_GATE_CLR_SET_UPD(CLK_TOP_PWM_SEL, "pwm_sel", pwm_parents, 0x010, + 0x014, 0x018, 8, 2, 15, 0x1C0, 5), + MUX_GATE_CLR_SET_UPD(CLK_TOP_I2C_SEL, "i2c_sel", i2c_parents, 0x010, + 0x014, 0x018, 16, 2, 23, 0x1C0, 6), + MUX_GATE_CLR_SET_UPD(CLK_TOP_PEXTP_TL_SEL, "pextp_tl_ck_sel", + pextp_tl_ck_parents, 0x010, 0x014, 0x018, 24, 2, + 31, 0x1C0, 7), + /* CLK_CFG_2 */ + MUX_GATE_CLR_SET_UPD(CLK_TOP_EMMC_250M_SEL, "emmc_250m_sel", + emmc_250m_parents, 0x020, 0x024, 0x028, 0, 1, 7, + 0x1C0, 8), + MUX_GATE_CLR_SET_UPD(CLK_TOP_EMMC_416M_SEL, "emmc_416m_sel", + emmc_416m_parents, 0x020, 0x024, 0x028, 8, 1, 15, + 0x1C0, 9), + MUX_GATE_CLR_SET_UPD(CLK_TOP_F_26M_ADC_SEL, "f_26m_adc_sel", + f_26m_adc_parents, 0x020, 0x024, 0x028, 16, 1, 23, + 0x1C0, 10), + MUX_GATE_CLR_SET_UPD(CLK_TOP_DRAMC_SEL, "dramc_sel", f_26m_adc_parents, + 0x020, 0x024, 0x028, 24, 1, 31, 0x1C0, 11), + /* CLK_CFG_3 */ + MUX_GATE_CLR_SET_UPD(CLK_TOP_DRAMC_MD32_SEL, "dramc_md32_sel", + dramc_md32_parents, 0x030, 0x034, 0x038, 0, 1, 7, + 0x1C0, 12), + MUX_GATE_CLR_SET_UPD(CLK_TOP_SYSAXI_SEL, "sysaxi_sel", sysaxi_parents, + 0x030, 0x034, 0x038, 8, 2, 15, 0x1C0, 13), + MUX_GATE_CLR_SET_UPD(CLK_TOP_SYSAPB_SEL, "sysapb_sel", sysapb_parents, + 0x030, 0x034, 0x038, 16, 2, 23, 0x1C0, 14), + MUX_GATE_CLR_SET_UPD(CLK_TOP_ARM_DB_MAIN_SEL, "arm_db_main_sel", + arm_db_main_parents, 0x030, 0x034, 0x038, 24, 1, + 31, 0x1C0, 15), + /* CLK_CFG_4 */ + MUX_GATE_CLR_SET_UPD(CLK_TOP_ARM_DB_JTSEL, "arm_db_jtsel", + arm_db_jtsel_parents, 0x040, 0x044, 0x048, 0, 1, 7, + 0x1C0, 16), + MUX_GATE_CLR_SET_UPD(CLK_TOP_NETSYS_SEL, "netsys_sel", netsys_parents, + 0x040, 0x044, 0x048, 8, 1, 15, 0x1C0, 17), + MUX_GATE_CLR_SET_UPD(CLK_TOP_NETSYS_500M_SEL, "netsys_500m_sel", + netsys_500m_parents, 0x040, 0x044, 0x048, 16, 1, + 23, 0x1C0, 18), + MUX_GATE_CLR_SET_UPD(CLK_TOP_NETSYS_MCU_SEL, "netsys_mcu_sel", + netsys_mcu_parents, 0x040, 0x044, 0x048, 24, 3, 31, + 0x1C0, 19), + /* CLK_CFG_5 */ + MUX_GATE_CLR_SET_UPD(CLK_TOP_NETSYS_2X_SEL, "netsys_2x_sel", + netsys_2x_parents, 0x050, 0x054, 0x058, 0, 2, 7, + 0x1C0, 20), + MUX_GATE_CLR_SET_UPD(CLK_TOP_SGM_325M_SEL, "sgm_325m_sel", + sgm_325m_parents, 0x050, 0x054, 0x058, 8, 1, 15, + 0x1C0, 21), + MUX_GATE_CLR_SET_UPD(CLK_TOP_SGM_REG_SEL, "sgm_reg_sel", + sgm_reg_parents, 0x050, 0x054, 0x058, 16, 1, 23, + 0x1C0, 22), + MUX_GATE_CLR_SET_UPD(CLK_TOP_A1SYS_SEL, "a1sys_sel", a1sys_parents, + 0x050, 0x054, 0x058, 24, 1, 31, 0x1C0, 23), + /* CLK_CFG_6 */ + MUX_GATE_CLR_SET_UPD(CLK_TOP_CONN_MCUSYS_SEL, "conn_mcusys_sel", + conn_mcusys_parents, 0x060, 0x064, 0x068, 0, 1, 7, + 0x1C0, 24), + MUX_GATE_CLR_SET_UPD(CLK_TOP_EIP_B_SEL, "eip_b_sel", eip_b_parents, + 0x060, 0x064, 0x068, 8, 1, 15, 0x1C0, 25), + MUX_GATE_CLR_SET_UPD(CLK_TOP_PCIE_PHY_SEL, "pcie_phy_sel", + f_26m_adc_parents, 0x060, 0x064, 0x068, 16, 1, 23, + 0x1C0, 26), + MUX_GATE_CLR_SET_UPD(CLK_TOP_USB3_PHY_SEL, "usb3_phy_sel", + f_26m_adc_parents, 0x060, 0x064, 0x068, 24, 1, 31, + 0x1C0, 27), + /* CLK_CFG_7 */ + MUX_GATE_CLR_SET_UPD(CLK_TOP_F26M_SEL, "csw_f26m_sel", + f_26m_adc_parents, 0x070, 0x074, 0x078, 0, 1, 7, + 0x1C0, 28), + MUX_GATE_CLR_SET_UPD(CLK_TOP_AUD_L_SEL, "aud_l_sel", aud_l_parents, + 0x070, 0x074, 0x078, 8, 2, 15, 0x1C0, 29), + MUX_GATE_CLR_SET_UPD(CLK_TOP_A_TUNER_SEL, "a_tuner_sel", + a_tuner_parents, 0x070, 0x074, 0x078, 16, 2, 23, + 0x1C0, 30), + MUX_GATE_CLR_SET_UPD(CLK_TOP_U2U3_SEL, "u2u3_sel", f_26m_adc_parents, + 0x070, 0x074, 0x078, 24, 1, 31, 0x1C4, 0), + /* CLK_CFG_8 */ + MUX_GATE_CLR_SET_UPD(CLK_TOP_U2U3_SYS_SEL, "u2u3_sys_sel", + u2u3_sys_parents, 0x080, 0x084, 0x088, 0, 1, 7, + 0x1C4, 1), + MUX_GATE_CLR_SET_UPD(CLK_TOP_U2U3_XHCI_SEL, "u2u3_xhci_sel", + u2u3_sys_parents, 0x080, 0x084, 0x088, 8, 1, 15, + 0x1C4, 2), + MUX_GATE_CLR_SET_UPD(CLK_TOP_DA_U2_REFSEL, "da_u2_refsel", + da_u2_refsel_parents, 0x080, 0x084, 0x088, 16, 1, + 23, 0x1C4, 3), + MUX_GATE_CLR_SET_UPD(CLK_TOP_DA_U2_CK_1P_SEL, "da_u2_ck_1p_sel", + da_u2_refsel_parents, 0x080, 0x084, 0x088, 24, 1, + 31, 0x1C4, 4), + /* CLK_CFG_9 */ + MUX_GATE_CLR_SET_UPD(CLK_TOP_AP2CNN_HOST_SEL, "ap2cnn_host_sel", + sgm_reg_parents, 0x090, 0x094, 0x098, 0, 1, 7, + 0x1C4, 5), +}; + +static void __init mtk_topckgen_init(struct device_node *node) +{ + struct clk_onecell_data *clk_data; + int r; + void __iomem *base; + int nr = ARRAY_SIZE(top_fixed_clks) + ARRAY_SIZE(top_divs) + + ARRAY_SIZE(top_muxes); + + base = of_iomap(node, 0); + if (!base) { + pr_err("%s(): ioremap failed\n", __func__); + return; + } + + clk_data = mtk_alloc_clk_data(nr); + + mtk_clk_register_fixed_clks(top_fixed_clks, ARRAY_SIZE(top_fixed_clks), + clk_data); + mtk_clk_register_factors(top_divs, ARRAY_SIZE(top_divs), clk_data); + mtk_clk_register_muxes(top_muxes, ARRAY_SIZE(top_muxes), node, + &mt7986_clk_lock, clk_data); + + clk_prepare_enable(clk_data->clks[CLK_TOP_SYSAXI_SEL]); + clk_prepare_enable(clk_data->clks[CLK_TOP_SYSAPB_SEL]); + clk_prepare_enable(clk_data->clks[CLK_TOP_DRAMC_SEL]); + clk_prepare_enable(clk_data->clks[CLK_TOP_DRAMC_MD32_SEL]); + clk_prepare_enable(clk_data->clks[CLK_TOP_F26M_SEL]); + clk_prepare_enable(clk_data->clks[CLK_TOP_SGM_REG_SEL]); + + r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); + + if (r) + pr_err("%s(): could not register clock provider: %d\n", + __func__, r); +} +CLK_OF_DECLARE(mtk_topckgen, "mediatek,mt7986-topckgen", mtk_topckgen_init);