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Wed, 10 Jan 2024 13:32:04 +0000 Received: from BJSPR01MB0561.CHNPR01.prod.partner.outlook.cn ([fe80::3862:65b4:c857:c4a6]) by BJSPR01MB0561.CHNPR01.prod.partner.outlook.cn ([fe80::3862:65b4:c857:c4a6%4]) with mapi id 15.20.7135.033; Wed, 10 Jan 2024 13:32:04 +0000 From: Sia Jee Heng To: kernel@esmil.dk, conor@kernel.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu, mturquette@baylibre.com, sboyd@kernel.org, p.zabel@pengutronix.de, emil.renner.berthing@canonical.com, hal.feng@starfivetech.com, xingyu.wu@starfivetech.com Cc: linux-riscv@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, jeeheng.sia@starfivetech.com, leyfoon.tan@starfivetech.com Subject: [RFC v3 06/16] clk: starfive: Add JH8100 System clock generator driver Date: Wed, 10 Jan 2024 21:31:18 +0800 Message-Id: <20240110133128.286657-7-jeeheng.sia@starfivetech.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240110133128.286657-1-jeeheng.sia@starfivetech.com> References: <20240110133128.286657-1-jeeheng.sia@starfivetech.com> X-ClientProxiedBy: BJXPR01CA0067.CHNPR01.prod.partner.outlook.cn (2406:e500:c211:12::34) To BJSPR01MB0561.CHNPR01.prod.partner.outlook.cn (2406:e500:c211:f::16) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BJSPR01MB0561:EE_|BJSPR01MB0865:EE_ X-MS-Office365-Filtering-Correlation-Id: a6f3f8de-0cc8-418d-c1e5-08dc11e088c6 X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; 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Signed-off-by: Sia Jee Heng Reviewed-by: Ley Foon Tan --- MAINTAINERS | 8 + drivers/clk/starfive/Kconfig | 10 + drivers/clk/starfive/Makefile | 2 + .../clk/starfive/clk-starfive-jh8100-sys.c | 415 ++++++++++++++++++ drivers/clk/starfive/clk-starfive-jh8100.h | 11 + 5 files changed, 446 insertions(+) create mode 100644 drivers/clk/starfive/clk-starfive-jh8100-sys.c create mode 100644 drivers/clk/starfive/clk-starfive-jh8100.h diff --git a/MAINTAINERS b/MAINTAINERS index 40c754b4c39c..c5d563594e34 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -20730,6 +20730,14 @@ F: Documentation/devicetree/bindings/phy/starfive,jh7110-usb-phy.yaml F: drivers/phy/starfive/phy-jh7110-pcie.c F: drivers/phy/starfive/phy-jh7110-usb.c +STARFIVE JH8100 CLOCK DRIVERS +M: Sia Jee Heng +M: Ley Foon Tan +S: Maintained +F: Documentation/devicetree/bindings/clock/starfive,jh81*.yaml +F: drivers/clk/starfive/clk-starfive-jh81* +F: include/dt-bindings/clock/starfive?jh81*.h + STATIC BRANCH/CALL M: Peter Zijlstra M: Josh Poimboeuf diff --git a/drivers/clk/starfive/Kconfig b/drivers/clk/starfive/Kconfig index ff8eace36e64..1dddf1415360 100644 --- a/drivers/clk/starfive/Kconfig +++ b/drivers/clk/starfive/Kconfig @@ -72,3 +72,13 @@ config CLK_STARFIVE_JH7110_VOUT help Say yes here to support the Video-Output clock controller on the StarFive JH7110 SoC. + +config CLK_STARFIVE_JH8100_SYS + bool "StarFive JH8100 System clock support" + depends on SOC_STARFIVE || COMPILE_TEST + select AUXILIARY_BUS + select CLK_STARFIVE_COMMON + default ARCH_STARFIVE + help + Say yes here to support the System clock controller on the StarFive JH8100 SoC. + diff --git a/drivers/clk/starfive/Makefile b/drivers/clk/starfive/Makefile index 012f7ee83f8e..af6903c4f987 100644 --- a/drivers/clk/starfive/Makefile +++ b/drivers/clk/starfive/Makefile @@ -10,3 +10,5 @@ obj-$(CONFIG_CLK_STARFIVE_JH7110_AON) += clk-starfive-jh7110-aon.o obj-$(CONFIG_CLK_STARFIVE_JH7110_STG) += clk-starfive-jh7110-stg.o obj-$(CONFIG_CLK_STARFIVE_JH7110_ISP) += clk-starfive-jh7110-isp.o obj-$(CONFIG_CLK_STARFIVE_JH7110_VOUT) += clk-starfive-jh7110-vout.o + +obj-$(CONFIG_CLK_STARFIVE_JH8100_SYS) += clk-starfive-jh8100-sys.o diff --git a/drivers/clk/starfive/clk-starfive-jh8100-sys.c b/drivers/clk/starfive/clk-starfive-jh8100-sys.c new file mode 100644 index 000000000000..6d7e750dce82 --- /dev/null +++ b/drivers/clk/starfive/clk-starfive-jh8100-sys.c @@ -0,0 +1,415 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * StarFive JH8100 System Clock Driver + * + * Copyright (C) 2023 StarFive Technology Co., Ltd. + * + * Author: Jee Heng Sia + * + */ + +#include +#include +#include +#include +#include +#include +#include + +#include + +#include + +#include "clk-starfive-jh8100.h" + +#define JH8100_SYSCLK_NUM_CLKS (JH8100_SYSCLK_NNE_ICG_EN + 1) + +/* external clocks */ +#define JH8100_SYSCLK_OSC (JH8100_SYSCLK_NUM_CLKS + 0) +#define JH8100_SYSCLK_MCLK_EXT (JH8100_SYSCLK_NUM_CLKS + 1) +#define JH8100_SYSCLK_PLL0_OUT (JH8100_SYSCLK_NUM_CLKS + 2) +#define JH8100_SYSCLK_PLL1_OUT (JH8100_SYSCLK_NUM_CLKS + 3) +#define JH8100_SYSCLK_PLL2_OUT (JH8100_SYSCLK_NUM_CLKS + 4) +#define JH8100_SYSCLK_PLL3_OUT (JH8100_SYSCLK_NUM_CLKS + 5) +#define JH8100_SYSCLK_PLL4_OUT (JH8100_SYSCLK_NUM_CLKS + 6) +#define JH8100_SYSCLK_PLL6_OUT (JH8100_SYSCLK_NUM_CLKS + 7) +#define JH8100_SYSCLK_PLL7_OUT (JH8100_SYSCLK_NUM_CLKS + 8) + +static const struct starfive_clk_data jh8100_syscrg_clk_data[] __initconst = { + /* root */ + STARFIVE__DIV(JH8100_SYSCLK_VDEC_ROOT_PREOSC, "vdec_root_preosc", 10, + JH8100_SYSCLK_PLL7_OUT), + STARFIVE__MUX(JH8100_SYSCLK_VDEC_ROOT, "vdec_root", 2, + JH8100_SYSCLK_OSC, JH8100_SYSCLK_VDEC_ROOT_PREOSC), + STARFIVE__DIV(JH8100_SYSCLK_VENC_ROOT_PREOSC, "venc_root_preosc", 10, + JH8100_SYSCLK_PLL7_OUT), + STARFIVE__MUX(JH8100_SYSCLK_VENC_ROOT, "venc_root", 2, + JH8100_SYSCLK_OSC, JH8100_SYSCLK_VENC_ROOT_PREOSC), + STARFIVE__DIV(JH8100_SYSCLK_GPU_ROOT, "gpu_root", 7, + JH8100_SYSCLK_PLL0_OUT), + STARFIVE__MUX(JH8100_SYSCLK_GPU_CORE, "gpu_core", 2, + JH8100_SYSCLK_OSC, JH8100_SYSCLK_GPU_ROOT), + STARFIVE__DIV(JH8100_SYSCLK_VOUT_ROOT0_PREOSC, "vout_root0_preosc", 127, + JH8100_SYSCLK_PLL1_OUT), + STARFIVE__MUX(JH8100_SYSCLK_VOUT_ROOT0, "vout_root0", 2, + JH8100_SYSCLK_OSC, JH8100_SYSCLK_VOUT_ROOT0_PREOSC), + STARFIVE__DIV(JH8100_SYSCLK_VOUT_ROOT1_PREOSC, "vout_root1_preosc", 127, + JH8100_SYSCLK_PLL6_OUT), + STARFIVE__MUX(JH8100_SYSCLK_VOUT_ROOT1, "vout_root1", 2, + JH8100_SYSCLK_OSC, JH8100_SYSCLK_VOUT_ROOT1_PREOSC), + STARFIVE__DIV(JH8100_SYSCLK_VOUT_SCAN_ATS, "vout_scan_ats", 6, + JH8100_SYSCLK_PLL3_OUT), + STARFIVE__DIV(JH8100_SYSCLK_PERH_ROOT_PREOSC, "perh_root_preosc", 4, + JH8100_SYSCLK_PLL0_OUT), + STARFIVE__MUX(JH8100_SYSCLK_PERH_ROOT, "perh_root", 2, + JH8100_SYSCLK_OSC, JH8100_SYSCLK_PERH_ROOT_PREOSC), + STARFIVE__DIV(JH8100_SYSCLK_AXI_200_PREOSC, "axi_200_preosc", 4, + JH8100_SYSCLK_PLL0_OUT), + STARFIVE__MUX(JH8100_SYSCLK_AXI_200, "axi_200", 2, + JH8100_SYSCLK_OSC, JH8100_SYSCLK_AXI_200_PREOSC), + STARFIVE__MUX(JH8100_SYSCLK_AXI_200_GMAC, "axi_200_gmac", 2, + JH8100_SYSCLK_OSC, JH8100_SYSCLK_AXI_200_PREOSC), + STARFIVE__DIV(JH8100_SYSCLK_AXI_500_PREOSC, "axi_500_preosc", 10, + JH8100_SYSCLK_PLL0_OUT), + STARFIVE__MUX(JH8100_SYSCLK_AXI_500, "axi_500", 2, + JH8100_SYSCLK_OSC, JH8100_SYSCLK_AXI_500_PREOSC), + STARFIVE__MUX(JH8100_SYSCLK_AXI_500_PCIEX1A, "axi_500_pciex1a", 2, + JH8100_SYSCLK_OSC, JH8100_SYSCLK_AXI_500_PREOSC), + STARFIVE__MUX(JH8100_SYSCLK_AXI_500_PCIEX1B, "axi_500_pciex1b", 2, + JH8100_SYSCLK_OSC, JH8100_SYSCLK_AXI_500_PREOSC), + STARFIVE__MUX(JH8100_SYSCLK_AXI_500_PCIEX2, "axi_500_pciex2", 2, + JH8100_SYSCLK_OSC, JH8100_SYSCLK_AXI_500_PREOSC), + STARFIVE__MUX(JH8100_SYSCLK_AXI_500_PCIEX8, "axi_500_pciex8", 2, + JH8100_SYSCLK_OSC, JH8100_SYSCLK_AXI_500_PREOSC), + STARFIVE__DIV(JH8100_SYSCLK_AXI_400_PREOSC, "axi_400_preosc", 10, + JH8100_SYSCLK_PLL0_OUT), + STARFIVE__MUX(JH8100_SYSCLK_AXI_400, "axi_400", 2, + JH8100_SYSCLK_OSC, JH8100_SYSCLK_AXI_400_PREOSC), + STARFIVE__MUX(JH8100_SYSCLK_AXI_400_APBOOTRAM, "axi_400_apbootram", 2, + JH8100_SYSCLK_OSC, JH8100_SYSCLK_AXI_400_PREOSC), + STARFIVE__DIV(JH8100_SYSCLK_AXI_125_PREOSC, "axi_125_preosc", 32, + JH8100_SYSCLK_PLL0_OUT), + STARFIVE__MUX(JH8100_SYSCLK_AXI_125, "axi_125", 2, + JH8100_SYSCLK_OSC, JH8100_SYSCLK_AXI_125_PREOSC), + STARFIVE__DIV(JH8100_SYSCLK_AHB0_PREOSC, "ahb0_preosc", 15, + JH8100_SYSCLK_PLL0_OUT), + STARFIVE__MUX(JH8100_SYSCLK_AHB0, "ahb0", 2, + JH8100_SYSCLK_OSC, JH8100_SYSCLK_AHB0_PREOSC), + STARFIVE__DIV(JH8100_SYSCLK_APB_BUS_FUNC, "apb_bus_func", 30, + JH8100_SYSCLK_PLL0_OUT), + STARFIVE__MUX(JH8100_SYSCLK_APB_BUS, "apb_bus", 2, + JH8100_SYSCLK_OSC, JH8100_SYSCLK_APB_BUS_FUNC), + STARFIVE__MUX(JH8100_SYSCLK_APB_BUS_PER0, "apb_bus_per0", 2, + JH8100_SYSCLK_OSC, JH8100_SYSCLK_APB_BUS_FUNC), + STARFIVE__MUX(JH8100_SYSCLK_APB_BUS_PER1, "apb_bus_per1", 2, + JH8100_SYSCLK_OSC, JH8100_SYSCLK_APB_BUS_FUNC), + STARFIVE__MUX(JH8100_SYSCLK_APB_BUS_PER2, "apb_bus_per2", 2, + JH8100_SYSCLK_OSC, JH8100_SYSCLK_APB_BUS_FUNC), + STARFIVE__MUX(JH8100_SYSCLK_APB_BUS_PER3, "apb_bus_per3", 2, + JH8100_SYSCLK_OSC, JH8100_SYSCLK_APB_BUS_FUNC), + STARFIVE__MUX(JH8100_SYSCLK_APB_BUS_PER4, "apb_bus_per4", 2, + JH8100_SYSCLK_OSC, JH8100_SYSCLK_APB_BUS_FUNC), + STARFIVE__MUX(JH8100_SYSCLK_APB_BUS_PER5, "apb_bus_per5", 2, + JH8100_SYSCLK_OSC, JH8100_SYSCLK_APB_BUS_FUNC), + STARFIVE__MUX(JH8100_SYSCLK_APB_BUS_PER6, "apb_bus_per6", 2, + JH8100_SYSCLK_OSC, JH8100_SYSCLK_APB_BUS_FUNC), + STARFIVE__MUX(JH8100_SYSCLK_APB_BUS_PER7, "apb_bus_per7", 2, + JH8100_SYSCLK_OSC, JH8100_SYSCLK_APB_BUS_FUNC), + STARFIVE__MUX(JH8100_SYSCLK_APB_BUS_PER8, "apb_bus_per8", 2, + JH8100_SYSCLK_OSC, JH8100_SYSCLK_APB_BUS_FUNC), + STARFIVE__MUX(JH8100_SYSCLK_APB_BUS_PER9, "apb_bus_per9", 2, + JH8100_SYSCLK_OSC, JH8100_SYSCLK_APB_BUS_FUNC), + STARFIVE__MUX(JH8100_SYSCLK_APB_BUS_PER10, "apb_bus_per10", 2, + JH8100_SYSCLK_OSC, JH8100_SYSCLK_APB_BUS_FUNC), + STARFIVE__MUX(JH8100_SYSCLK_SPI_CORE_100, "spi_core_100", 2, + JH8100_SYSCLK_OSC, JH8100_SYSCLK_APB_BUS_FUNC), + STARFIVE__DIV(JH8100_SYSCLK_PLL1_DIV2, "pll1_div2", 2, + JH8100_SYSCLK_PLL1_OUT), + STARFIVE__DIV(JH8100_SYSCLK_PLL2_DIV2, "pll2_div2", 2, + JH8100_SYSCLK_PLL2_OUT), + STARFIVE__DIV(JH8100_SYSCLK_PLL3_DIV2, "pll3_div2", 2, + JH8100_SYSCLK_PLL3_OUT), + STARFIVE__DIV(JH8100_SYSCLK_PLL4_DIV2, "pll4_div2", 2, + JH8100_SYSCLK_PLL4_OUT), + STARFIVE__DIV(JH8100_SYSCLK_PLL6_DIV2, "pll6_div2", 2, + JH8100_SYSCLK_PLL6_OUT), + STARFIVE__DIV(JH8100_SYSCLK_PLL7_DIV2, "pll7_div2", 2, + JH8100_SYSCLK_PLL7_OUT), + STARFIVE__DIV(JH8100_SYSCLK_AUDIO_ROOT, "audio_root", 8, + JH8100_SYSCLK_PLL2_OUT), + STARFIVE__DIV(JH8100_SYSCLK_MCLK_INNER, "mclk_inner", 64, + JH8100_SYSCLK_AUDIO_ROOT), + STARFIVE__MUX(JH8100_SYSCLK_MCLK, "mclk", 2, + JH8100_SYSCLK_MCLK_INNER, JH8100_SYSCLK_MCLK_EXT), + STARFIVE_GATE(JH8100_SYSCLK_MCLK_OUT, "mclk_out", 0, + JH8100_SYSCLK_MCLK_INNER), + STARFIVE_MDIV(JH8100_SYSCLK_ISP_2X_PREOSC, "isp_2x_preosc", 8, 2, + JH8100_SYSCLK_PLL7_OUT, JH8100_SYSCLK_PLL0_OUT), + STARFIVE__MUX(JH8100_SYSCLK_ISP_2X, "isp_2x", 2, + JH8100_SYSCLK_OSC, JH8100_SYSCLK_ISP_2X_PREOSC), + STARFIVE__DIV(JH8100_SYSCLK_ISP_AXI, "isp_axi", 4, + JH8100_SYSCLK_ISP_2X), + STARFIVE_GDIV(JH8100_SYSCLK_GCLK1, "gclk1", CLK_IS_CRITICAL, 120, + JH8100_SYSCLK_PLL1_DIV2), + STARFIVE_GDIV(JH8100_SYSCLK_GCLK2, "gclk2", CLK_IS_CRITICAL, 120, + JH8100_SYSCLK_PLL2_DIV2), + STARFIVE_GDIV(JH8100_SYSCLK_GCLK3, "gclk3", CLK_IS_CRITICAL, 120, + JH8100_SYSCLK_PLL3_DIV2), + STARFIVE_GDIV(JH8100_SYSCLK_GCLK4, "gclk4", CLK_IS_CRITICAL, 120, + JH8100_SYSCLK_PLL4_DIV2), + STARFIVE_GDIV(JH8100_SYSCLK_GCLK6, "gclk6", CLK_IS_CRITICAL, 120, + JH8100_SYSCLK_PLL6_DIV2), + STARFIVE_GDIV(JH8100_SYSCLK_GCLK7, "gclk7", CLK_IS_CRITICAL, 120, + JH8100_SYSCLK_PLL7_DIV2), + /* flexnoc (se) */ + STARFIVE__DIV(JH8100_SYSCLK_FLEXNOC0_PREOSC, "flexnoc0_preosc", 8, + JH8100_SYSCLK_PLL0_OUT), + STARFIVE__MUX(JH8100_SYSCLK_FLEXNOC0, "flexnoc0", 2, + JH8100_SYSCLK_OSC, JH8100_SYSCLK_FLEXNOC0_PREOSC), + STARFIVE__DIV(JH8100_SYSCLK_FLEXNOC1_PREOSC, "flexnoc1_preosc", 8, + JH8100_SYSCLK_PLL0_OUT), + STARFIVE__MUX(JH8100_SYSCLK_FLEXNOC1, "flexnoc1", 2, + JH8100_SYSCLK_OSC, JH8100_SYSCLK_FLEXNOC1_PREOSC), + STARFIVE__DIV(JH8100_SYSCLK_FLEXNOC2_PREOSC, "flexnoc2_preosc", 12, + JH8100_SYSCLK_PLL0_OUT), + STARFIVE__MUX(JH8100_SYSCLK_FLEXNOC2, "flexnoc2", 2, + JH8100_SYSCLK_OSC, JH8100_SYSCLK_FLEXNOC2_PREOSC), + STARFIVE__MUX(JH8100_SYSCLK_VDEC_CORE, "vdec_core", 2, + JH8100_SYSCLK_OSC, JH8100_SYSCLK_FLEXNOC1_PREOSC), + /* img_gpu (se) */ + STARFIVE_GATE(JH8100_SYSCLK_GPU_CORE_ICG, "gpu_core_icg", 0, + JH8100_SYSCLK_GPU_CORE), + STARFIVE_GATE(JH8100_SYSCLK_IMG_GPU_CLK_APB, "img_gpu_clk_apb", 0, + JH8100_SYSCLK_APB_BUS_PER7), + STARFIVE_GATE(JH8100_SYSCLK_IMG_GPU_RTC_TOGGLE, "img_gpu_rtc_toggle", 0, + JH8100_SYSCLK_OSC), + STARFIVE_GATE(JH8100_SYSCLK_IMG_GPU_TIMER_USC, "img_gpu_timer_usc", 0, + JH8100_SYSCLK_OSC), + /* hifi4 (se) */ + STARFIVE__DIV(JH8100_SYSCLK_HIFI4_CORE_PREOSC, "hifi4_core_preosc", 15, + JH8100_SYSCLK_PLL0_OUT), + STARFIVE__MUX(JH8100_SYSCLK_HIFI4_CORE, "hifi4_core", 2, + JH8100_SYSCLK_OSC, JH8100_SYSCLK_HIFI4_CORE_PREOSC), + STARFIVE__DIV(JH8100_SYSCLK_E_200_PREOSC, "e_200_preosc", 2, + JH8100_SYSCLK_PLL0_OUT), + STARFIVE__MUX(JH8100_SYSCLK_E_200, "e_200", 2, JH8100_SYSCLK_OSC, + JH8100_SYSCLK_E_200_PREOSC), + /* hd audio */ + STARFIVE__DIV(JH8100_SYSCLK_HD_AUDIO_48M, "hd_audio_48m", 80, + JH8100_SYSCLK_PLL7_OUT), + /* dom vout */ + STARFIVE__DIV(JH8100_SYSCLK_VOUT_DC_CORE, "vout_dc_core", 10, + JH8100_SYSCLK_PLL7_OUT), + STARFIVE__DIV(JH8100_SYSCLK_VOUT_AXI, "vout_axi", 10, + JH8100_SYSCLK_PLL7_OUT), + /* stg2_usb_wrap (se) */ + STARFIVE__DIV(JH8100_SYSCLK_USB_WRAP_625, "usb_wrap_625", 6, + JH8100_SYSCLK_PLL0_OUT), + STARFIVE__DIV(JH8100_SYSCLK_USB_WRAP_480, "usb_wrap_480", 8, + JH8100_SYSCLK_PLL0_OUT), + STARFIVE__DIV(JH8100_SYSCLK_USB_WRAP_240, "usb_wrap_240", 2, + JH8100_SYSCLK_USB_WRAP_480), + STARFIVE__DIV(JH8100_SYSCLK_USB_WRAP_60, "usb_wrap_60", 10, + JH8100_SYSCLK_USB_WRAP_480), + STARFIVE__DIV(JH8100_SYSCLK_USB_WRAP_156P25, "usb_wrap_156p25", 4, + JH8100_SYSCLK_USB_WRAP_625), + STARFIVE__DIV(JH8100_SYSCLK_USB_WRAP_312P5, "usb_wrap_312p5", 2, + JH8100_SYSCLK_USB_WRAP_625), + /* stg */ + STARFIVE__DIV(JH8100_SYSCLK_USB_125M, "usb_125m", 32, + JH8100_SYSCLK_PLL0_OUT), + /* Flexnoc (se) */ + STARFIVE_GATE(JH8100_SYSCLK_FLEXNOC_APBOOTRAM, "flexnoc_apbootram", CLK_IS_CRITICAL, + JH8100_SYSCLK_AXI_400_APBOOTRAM), + STARFIVE_GATE(JH8100_SYSCLK_FLEXNOC_PCIEX1AMST, "flexnoc_pciex1amst", CLK_IS_CRITICAL, + JH8100_SYSCLK_AXI_500_PCIEX1A), + STARFIVE_GATE(JH8100_SYSCLK_FLEXNOC_PCIEX1ASLV, "flexnoc_pciex1aslv", CLK_IS_CRITICAL, + JH8100_SYSCLK_AXI_500_PCIEX1A), + STARFIVE_GATE(JH8100_SYSCLK_FLEXNOC_PCIEX1BMST, "flexnoc_pciex1bmst", CLK_IS_CRITICAL, + JH8100_SYSCLK_AXI_500_PCIEX1B), + STARFIVE_GATE(JH8100_SYSCLK_FLEXNOC_PCIEX1BSLV, "flexnoc_pciex1bslv", CLK_IS_CRITICAL, + JH8100_SYSCLK_AXI_500_PCIEX1B), + STARFIVE_GATE(JH8100_SYSCLK_FLEXNOC_PCIEX2MST, "flexnoc_pciex2mst", CLK_IS_CRITICAL, + JH8100_SYSCLK_AXI_500_PCIEX2), + STARFIVE_GATE(JH8100_SYSCLK_FLEXNOC_PCIEX2SLV, "flexnoc_pciex2slv", CLK_IS_CRITICAL, + JH8100_SYSCLK_AXI_500_PCIEX2), + STARFIVE_GATE(JH8100_SYSCLK_FLEXNOC_PCIEX8MST, "flexnoc_pciex8mst", CLK_IS_CRITICAL, + JH8100_SYSCLK_AXI_500_PCIEX8), + STARFIVE_GATE(JH8100_SYSCLK_FLEXNOC_PCIEX8SLV, "flexnoc_pciex8slv", CLK_IS_CRITICAL, + JH8100_SYSCLK_AXI_500_PCIEX8), + STARFIVE_GATE(JH8100_SYSCLK_FLEXNOC_GMACSYSSLV, "flexnoc_gmacsysslv", CLK_IS_CRITICAL, + JH8100_SYSCLK_AXI_200_GMAC), + /* gmac1 (se) */ + STARFIVE__DIV(JH8100_SYSCLK_GMAC_SRC, "gmac_src", 7, + JH8100_SYSCLK_PLL0_OUT), + STARFIVE__DIV(JH8100_SYSCLK_GMAC1_GTXCLK_TOP, "gmac1_gtxclk_top", 400, + JH8100_SYSCLK_PLL0_OUT), + STARFIVE__DIV(JH8100_SYSCLK_GMAC1_PTP, "gmac1_ptp", 31, + JH8100_SYSCLK_GMAC_SRC), + /* hd audio */ + STARFIVE_GATE(JH8100_SYSCLK_HD_AUDIO_SYSTEM_CLOCK, "hd_audio_system_clock", 0, + JH8100_SYSCLK_APB_BUS_PER7), + STARFIVE_GATE(JH8100_SYSCLK_HD_AUDIO_CLOCK_48, "hd_audio_clock_48", 0, + JH8100_SYSCLK_HD_AUDIO_48M), + STARFIVE_GATE(JH8100_SYSCLK_HD_AUDIO_BCLK_POST_OCC_IN, "hd_audio_bclk_post_occ_in", 0, + JH8100_SYSCLK_HD_AUDIO_48M), + /* nne_vip (se) */ + STARFIVE_GATE(JH8100_SYSCLK_NNE_VIP_ACLK, "nne_vip_aclk", 0, JH8100_SYSCLK_AXI_500), + STARFIVE_GATE(JH8100_SYSCLK_NNE_VIP_HCLK, "nne_vip_hclk", 0, JH8100_SYSCLK_AXI_200), + STARFIVE_GMUX(JH8100_SYSCLK_NNE_VIP_CLKCORE, "nne_vip_clkcore", 0, 2, + JH8100_SYSCLK_PLL2_OUT, JH8100_SYSCLK_PLL0_OUT), + /* icg_en */ + STARFIVE_GATE(JH8100_SYSCLK_GPU_ICG_EN, "gpu_en", 0, JH8100_SYSCLK_GPU_CORE), + STARFIVE_GATE(JH8100_SYSCLK_HD_AUDIO_ICG_EN, "hd_audio_en", 0, JH8100_SYSCLK_APB_BUS), + STARFIVE_GATE(JH8100_SYSCLK_NNE_ICG_EN, "nne_en", CLK_IGNORE_UNUSED, + JH8100_SYSCLK_PLL2_OUT), +}; + +static struct clk_hw *jh8100_sysclk_get(struct of_phandle_args *clkspec, void *data) +{ + struct starfive_clk_priv *priv = data; + unsigned int idx = clkspec->args[0]; + + if (idx < JH8100_SYSCLK_NUM_CLKS) + return &priv->reg[idx].hw; + + return ERR_PTR(-EINVAL); +} + +static void jh8100_reset_unregister_adev(void *_adev) +{ + struct auxiliary_device *adev = _adev; + + auxiliary_device_delete(adev); + auxiliary_device_uninit(adev); +} + +static void jh8100_reset_adev_release(struct device *dev) +{ + struct auxiliary_device *adev = to_auxiliary_dev(dev); + struct starfive_reset_adev *rdev = to_starfive_reset_adev(adev); + + kfree(rdev); +} + +int jh8100_reset_controller_register(struct starfive_clk_priv *priv, + const char *adev_name, + u32 adev_id) +{ + struct starfive_reset_adev *rdev; + struct auxiliary_device *adev; + int ret; + + rdev = kzalloc(sizeof(*rdev), GFP_KERNEL); + if (!rdev) + return -ENOMEM; + + rdev->base = priv->base; + + adev = &rdev->adev; + adev->name = adev_name; + adev->dev.parent = priv->dev; + adev->dev.release = jh8100_reset_adev_release; + adev->id = adev_id; + + ret = auxiliary_device_init(adev); + if (ret) + return ret; + + ret = auxiliary_device_add(adev); + if (ret) { + auxiliary_device_uninit(adev); + return ret; + } + + return devm_add_action_or_reset(priv->dev, + jh8100_reset_unregister_adev, adev); +} +EXPORT_SYMBOL_GPL(jh8100_reset_controller_register); + +static int __init jh8100_syscrg_probe(struct platform_device *pdev) +{ + struct starfive_clk_priv *priv; + unsigned int idx; + int ret; + + priv = devm_kzalloc(&pdev->dev, + struct_size(priv, reg, JH8100_SYSCLK_NUM_CLKS), + GFP_KERNEL); + if (!priv) + return -ENOMEM; + + spin_lock_init(&priv->rmw_lock); + priv->dev = &pdev->dev; + priv->base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(priv->base)) + return PTR_ERR(priv->base); + + for (idx = 0; idx < JH8100_SYSCLK_NUM_CLKS; idx++) { + u32 max = jh8100_syscrg_clk_data[idx].max; + struct clk_parent_data parents[4] = {}; + struct clk_init_data init = { + .name = jh8100_syscrg_clk_data[idx].name, + .ops = starfive_clk_ops(max), + .parent_data = parents, + .num_parents = + ((max & STARFIVE_CLK_MUX_MASK) >> STARFIVE_CLK_MUX_SHIFT) + 1, + .flags = jh8100_syscrg_clk_data[idx].flags, + }; + struct starfive_clk *clk = &priv->reg[idx]; + unsigned int i; + + for (i = 0; i < init.num_parents; i++) { + unsigned int pidx = jh8100_syscrg_clk_data[idx].parents[i]; + + if (pidx < JH8100_SYSCLK_NUM_CLKS) + parents[i].hw = &priv->reg[pidx].hw; + else if (pidx == JH8100_SYSCLK_OSC) + parents[i].fw_name = "osc"; + else if (pidx == JH8100_SYSCLK_MCLK_EXT) + parents[i].fw_name = "mclk-ext"; + else if (pidx == JH8100_SYSCLK_PLL0_OUT) + parents[i].fw_name = "pll0"; + else if (pidx == JH8100_SYSCLK_PLL1_OUT) + parents[i].fw_name = "pll1"; + else if (pidx == JH8100_SYSCLK_PLL2_OUT) + parents[i].fw_name = "pll2"; + else if (pidx == JH8100_SYSCLK_PLL3_OUT) + parents[i].fw_name = "pll3"; + else if (pidx == JH8100_SYSCLK_PLL4_OUT) + parents[i].fw_name = "pll4"; + else if (pidx == JH8100_SYSCLK_PLL6_OUT) + parents[i].fw_name = "pll6"; + else + parents[i].fw_name = "pll7"; + } + + clk->hw.init = &init; + clk->idx = idx; + clk->max_div = max & STARFIVE_CLK_DIV_MASK; + + ret = devm_clk_hw_register(&pdev->dev, &clk->hw); + if (ret) + return ret; + } + + ret = devm_of_clk_add_hw_provider(&pdev->dev, jh8100_sysclk_get, priv); + if (ret) + return ret; + + return jh8100_reset_controller_register(priv, "rst-sys", 0); +} + +static const struct of_device_id jh8100_syscrg_match[] = { + { .compatible = "starfive,jh8100-syscrg" }, + { /* sentinel */ } +}; + +static struct platform_driver jh8100_syscrg_driver = { + .driver = { + .name = "clk-starfive-jh8100-sys", + .of_match_table = jh8100_syscrg_match, + .suppress_bind_attrs = true, + }, +}; +builtin_platform_driver_probe(jh8100_syscrg_driver, jh8100_syscrg_probe); diff --git a/drivers/clk/starfive/clk-starfive-jh8100.h b/drivers/clk/starfive/clk-starfive-jh8100.h new file mode 100644 index 000000000000..9b69a56fe5fc --- /dev/null +++ b/drivers/clk/starfive/clk-starfive-jh8100.h @@ -0,0 +1,11 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __CLK_STARFIVE_JH8100_H +#define __CLK_STARFIVE_JH8100_H + +#include "clk-starfive-common.h" + +int jh8100_reset_controller_register(struct starfive_clk_priv *priv, + const char *adev_name, + u32 adev_id); + +#endif