[v7,16/23] clk: imx: add support for i.MX8MN anatop clock driver

Message ID	20241227165719.3902388-17-dario.binacchi@amarulasolutions.com (mailing list archive)
State	New
Headers	show Received: from mail-ej1-f43.google.com (mail-ej1-f43.google.com [209.85.218.43]) (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 D0AD31F9F61 for <imx@lists.linux.dev>; Fri, 27 Dec 2024 16:57:51 +0000 (UTC) From: Dario Binacchi <dario.binacchi@amarulasolutions.com> To: linux-kernel@vger.kernel.org Cc: linux-amarula@amarulasolutions.com, Dario Binacchi <dario.binacchi@amarulasolutions.com>, Abel Vesa <abelvesa@kernel.org>, Fabio Estevam <festevam@gmail.com>, Michael Turquette <mturquette@baylibre.com>, Peng Fan <peng.fan@nxp.com>, Pengutronix Kernel Team <kernel@pengutronix.de>, Sascha Hauer <s.hauer@pengutronix.de>, Shawn Guo <shawnguo@kernel.org>, Stephen Boyd <sboyd@kernel.org>, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org Subject: [PATCH v7 16/23] clk: imx: add support for i.MX8MN anatop clock driver Date: Fri, 27 Dec 2024 17:56:19 +0100 Message-ID: <20241227165719.3902388-17-dario.binacchi@amarulasolutions.com> In-Reply-To: <20241227165719.3902388-1-dario.binacchi@amarulasolutions.com> References: <20241227165719.3902388-1-dario.binacchi@amarulasolutions.com> Precedence: bulk MIME-Version: 1.0 Content-Transfer-Encoding: 8bit
Series	Support spread spectrum clocking for i.MX8N PLLs \| expand [v7,00/23] Support spread spectrum clocking for i.MX8N PLLs [v7,01/23] dt-bindings: clock: imx8mm: add VIDEO_PLL clocks [v7,02/23] clk: imx8mm: rename video_pll1 to video_pll [v7,03/23] dt-bindings: clock: imx8mp: add VIDEO_PLL clocks [v7,04/23] clk: imx8mp: rename video_pll1 to video_pll [v7,05/23] dt-bindings: clock: imx8m-anatop: add oscillators and PLLs [v7,06/23] arm64: dts: imx8mm: add anatop clocks [v7,07/23] arm64: dts: imx8mn: add anatop clocks [v7,08/23] arm64: dts: imx8mp: add anatop clocks [v7,09/23] arm64: dts: imx8mq: add anatop clocks [v7,10/23] dt-bindings: clock: imx8m-clock: add phandle to the anatop [v7,11/23] arm64: dts: imx8mm: add phandle to anatop within CCM [v7,12/23] arm64: dts: imx8mn: add phandle to anatop within CCM [v7,13/23] arm64: dts: imx8mp: add phandle to anatop within CCM [v7,14/23] arm64: dts: imx8mq: add phandle to anatop within CCM [v7,15/23] clk: imx: add hw API imx_anatop_get_clk_hw [v7,16/23] clk: imx: add support for i.MX8MN anatop clock driver [v7,17/23] dt-bindings: clock: imx8m-clock: add PLLs [v7,18/23] arm64: dts: imx8mm: add PLLs to clock controller module (CCM) [v7,19/23] arm64: dts: imx8mn: add PLLs to clock controller module (CCM) [v7,20/23] arm64: dts: imx8mp: add PLLs to clock controller module (CCM) [v7,21/23] dt-bindings: clock: imx8m-clock: support spread spectrum clocking [v7,22/23] clk: imx: pll14xx: support spread spectrum clock generation [v7,23/23] clk: imx8mn: support spread spectrum clock generation

diff --git a/drivers/clk/imx/Makefile b/drivers/clk/imx/Makefile index 03f2b2a1ab63..f0f1d01c68f8 100644 --- a/drivers/clk/imx/Makefile +++ b/drivers/clk/imx/Makefile @@ -26,7 +26,7 @@ mxc-clk-objs += clk-gpr-mux.o obj-$(CONFIG_MXC_CLK) += mxc-clk.o obj-$(CONFIG_CLK_IMX8MM) += clk-imx8mm.o -obj-$(CONFIG_CLK_IMX8MN) += clk-imx8mn.o +obj-$(CONFIG_CLK_IMX8MN) += clk-imx8mn-anatop.o clk-imx8mn.o obj-$(CONFIG_CLK_IMX8MP) += clk-imx8mp.o clk-imx8mp-audiomix.o obj-$(CONFIG_CLK_IMX8MQ) += clk-imx8mq.o diff --git a/drivers/clk/imx/clk-imx8mn-anatop.c b/drivers/clk/imx/clk-imx8mn-anatop.c new file mode 100644 index 000000000000..43101b0a758e --- /dev/null +++ b/drivers/clk/imx/clk-imx8mn-anatop.c @@ -0,0 +1,283 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * clk-imx8mn-anatop.c - NXP i.MX8MN anatop clock driver + * + * Copyright (c) 2022 Dario Binacchi <dario.binacchi@amarulasolutions.com> + */ + +#include <dt-bindings/clock/imx8mn-clock.h> + +#include <linux/clk.h> +#include <linux/clk-provider.h> +#include <linux/err.h> +#include <linux/io.h> +#include <linux/module.h> +#include <linux/of_address.h> +#include <linux/platform_device.h> +#include <linux/of_platform.h> + +#include "clk.h" + +#define IMX8MN_ANATOP_CLK_END IMX8MN_ANATOP_CLK_CLKOUT2 + +static const char * const pll_ref_sels[] = { "osc_24m", "dummy", "dummy", "dummy", }; +static const char * const audio_pll1_bypass_sels[] = {"audio_pll1", "audio_pll1_ref_sel", }; +static const char * const audio_pll2_bypass_sels[] = {"audio_pll2", "audio_pll2_ref_sel", }; +static const char * const video_pll_bypass_sels[] = {"video_pll", "video_pll_ref_sel", }; +static const char * const dram_pll_bypass_sels[] = {"dram_pll", "dram_pll_ref_sel", }; +static const char * const gpu_pll_bypass_sels[] = {"gpu_pll", "gpu_pll_ref_sel", }; +static const char * const m7_alt_pll_bypass_sels[] = {"m7_alt_pll", "m7_alt_pll_ref_sel", }; +static const char * const arm_pll_bypass_sels[] = {"arm_pll", "arm_pll_ref_sel", }; +static const char * const sys_pll3_bypass_sels[] = {"sys_pll3", "sys_pll3_ref_sel", }; +static const char * const clkout_sels[] = {"audio_pll1_out", "audio_pll2_out", "video_pll_out", + "dummy", "dummy", "gpu_pll_out", "dummy", + "arm_pll_out", "sys_pll1", "sys_pll2", "sys_pll3", + "dummy", "dummy", "osc_24m", "dummy", "osc_32k"}; + +static struct clk_hw_onecell_data *clk_hw_data; +static struct clk_hw **hws; + +static int imx8mn_anatop_clocks_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct device_node *np = dev->of_node; + void __iomem *base; + int ret; + + base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(base)) { + dev_err(dev, "failed to get base address\n"); + return PTR_ERR(base); + } + + clk_hw_data = devm_kzalloc(dev, struct_size(clk_hw_data, hws, + IMX8MN_ANATOP_CLK_END), + GFP_KERNEL); + if (WARN_ON(!clk_hw_data)) + return -ENOMEM; + + clk_hw_data->num = IMX8MN_ANATOP_CLK_END; + hws = clk_hw_data->hws; + + hws[IMX8MN_ANATOP_CLK_DUMMY] = imx_clk_hw_fixed("dummy", 0); + hws[IMX8MN_ANATOP_CLK_32K] = imx_get_clk_hw_by_name(np, "osc_32k"); + hws[IMX8MN_ANATOP_CLK_24M] = imx_get_clk_hw_by_name(np, "osc_24m"); + + hws[IMX8MN_ANATOP_AUDIO_PLL1_REF_SEL] = + imx_clk_hw_mux("audio_pll1_ref_sel", base + 0x0, 0, 2, + pll_ref_sels, ARRAY_SIZE(pll_ref_sels)); + hws[IMX8MN_ANATOP_AUDIO_PLL2_REF_SEL] = + imx_clk_hw_mux("audio_pll2_ref_sel", base + 0x14, 0, 2, + pll_ref_sels, ARRAY_SIZE(pll_ref_sels)); + hws[IMX8MN_ANATOP_VIDEO_PLL_REF_SEL] = + imx_clk_hw_mux("video_pll_ref_sel", base + 0x28, 0, 2, + pll_ref_sels, ARRAY_SIZE(pll_ref_sels)); + hws[IMX8MN_ANATOP_DRAM_PLL_REF_SEL] = + imx_clk_hw_mux("dram_pll_ref_sel", base + 0x50, 0, 2, + pll_ref_sels, ARRAY_SIZE(pll_ref_sels)); + hws[IMX8MN_ANATOP_GPU_PLL_REF_SEL] = + imx_clk_hw_mux("gpu_pll_ref_sel", base + 0x64, 0, 2, + pll_ref_sels, ARRAY_SIZE(pll_ref_sels)); + hws[IMX8MN_ANATOP_M7_ALT_PLL_REF_SEL] = + imx_clk_hw_mux("m7_alt_pll_ref_sel", base + 0x74, 0, 2, + pll_ref_sels, ARRAY_SIZE(pll_ref_sels)); + hws[IMX8MN_ANATOP_ARM_PLL_REF_SEL] = + imx_clk_hw_mux("arm_pll_ref_sel", base + 0x84, 0, 2, + pll_ref_sels, ARRAY_SIZE(pll_ref_sels)); + hws[IMX8MN_ANATOP_SYS_PLL3_REF_SEL] = + imx_clk_hw_mux("sys_pll3_ref_sel", base + 0x114, 0, 2, + pll_ref_sels, ARRAY_SIZE(pll_ref_sels)); + + hws[IMX8MN_ANATOP_AUDIO_PLL1] = + imx_clk_hw_pll14xx("audio_pll1", "audio_pll1_ref_sel", + base, &imx_1443x_pll); + hws[IMX8MN_ANATOP_AUDIO_PLL2] = + imx_clk_hw_pll14xx("audio_pll2", "audio_pll2_ref_sel", + base + 0x14, &imx_1443x_pll); + hws[IMX8MN_ANATOP_VIDEO_PLL] = + imx_clk_hw_pll14xx("video_pll", "video_pll_ref_sel", + base + 0x28, &imx_1443x_pll); + hws[IMX8MN_ANATOP_DRAM_PLL] = + imx_clk_hw_pll14xx("dram_pll", "dram_pll_ref_sel", base + 0x50, + &imx_1443x_dram_pll); + hws[IMX8MN_ANATOP_GPU_PLL] = + imx_clk_hw_pll14xx("gpu_pll", "gpu_pll_ref_sel", base + 0x64, + &imx_1416x_pll); + hws[IMX8MN_ANATOP_M7_ALT_PLL] = + imx_clk_hw_pll14xx("m7_alt_pll", "m7_alt_pll_ref_sel", + base + 0x74, &imx_1416x_pll); + hws[IMX8MN_ANATOP_ARM_PLL] = + imx_clk_hw_pll14xx("arm_pll", "arm_pll_ref_sel", base + 0x84, + &imx_1416x_pll); + hws[IMX8MN_ANATOP_SYS_PLL1] = imx_clk_hw_fixed("sys_pll1", 800000000); + hws[IMX8MN_ANATOP_SYS_PLL2] = imx_clk_hw_fixed("sys_pll2", 1000000000); + hws[IMX8MN_ANATOP_SYS_PLL3] = + imx_clk_hw_pll14xx("sys_pll3", "sys_pll3_ref_sel", base + 0x114, + &imx_1416x_pll); + + /* PLL bypass out */ + hws[IMX8MN_ANATOP_AUDIO_PLL1_BYPASS] = + imx_clk_hw_mux_flags("audio_pll1_bypass", base, 16, 1, + audio_pll1_bypass_sels, + ARRAY_SIZE(audio_pll1_bypass_sels), + CLK_SET_RATE_PARENT); + hws[IMX8MN_ANATOP_AUDIO_PLL2_BYPASS] = + imx_clk_hw_mux_flags("audio_pll2_bypass", base + 0x14, 16, 1, + audio_pll2_bypass_sels, + ARRAY_SIZE(audio_pll2_bypass_sels), + CLK_SET_RATE_PARENT); + hws[IMX8MN_ANATOP_VIDEO_PLL_BYPASS] = + imx_clk_hw_mux_flags("video_pll_bypass", base + 0x28, 16, 1, + video_pll_bypass_sels, + ARRAY_SIZE(video_pll_bypass_sels), + CLK_SET_RATE_PARENT); + hws[IMX8MN_ANATOP_DRAM_PLL_BYPASS] = + imx_clk_hw_mux_flags("dram_pll_bypass", base + 0x50, 16, 1, + dram_pll_bypass_sels, + ARRAY_SIZE(dram_pll_bypass_sels), + CLK_SET_RATE_PARENT); + hws[IMX8MN_ANATOP_GPU_PLL_BYPASS] = + imx_clk_hw_mux_flags("gpu_pll_bypass", base + 0x64, 28, 1, + gpu_pll_bypass_sels, + ARRAY_SIZE(gpu_pll_bypass_sels), + CLK_SET_RATE_PARENT); + hws[IMX8MN_ANATOP_M7_ALT_PLL_BYPASS] = + imx_clk_hw_mux_flags("m7_alt_pll_bypass", base + 0x74, 28, 1, + m7_alt_pll_bypass_sels, + ARRAY_SIZE(m7_alt_pll_bypass_sels), + CLK_SET_RATE_PARENT); + hws[IMX8MN_ANATOP_ARM_PLL_BYPASS] = + imx_clk_hw_mux_flags("arm_pll_bypass", base + 0x84, 28, 1, + arm_pll_bypass_sels, + ARRAY_SIZE(arm_pll_bypass_sels), + CLK_SET_RATE_PARENT); + hws[IMX8MN_ANATOP_SYS_PLL3_BYPASS] = + imx_clk_hw_mux_flags("sys_pll3_bypass", base + 0x114, 28, 1, + sys_pll3_bypass_sels, + ARRAY_SIZE(sys_pll3_bypass_sels), + CLK_SET_RATE_PARENT); + + /* PLL out gate */ + hws[IMX8MN_ANATOP_AUDIO_PLL1_OUT] = + imx_clk_hw_gate("audio_pll1_out", "audio_pll1_bypass", + base, 13); + hws[IMX8MN_ANATOP_AUDIO_PLL2_OUT] = + imx_clk_hw_gate("audio_pll2_out", "audio_pll2_bypass", + base + 0x14, 13); + hws[IMX8MN_ANATOP_VIDEO_PLL_OUT] = + imx_clk_hw_gate("video_pll_out", "video_pll_bypass", + base + 0x28, 13); + hws[IMX8MN_ANATOP_DRAM_PLL_OUT] = + imx_clk_hw_gate("dram_pll_out", "dram_pll_bypass", + base + 0x50, 13); + hws[IMX8MN_ANATOP_GPU_PLL_OUT] = + imx_clk_hw_gate("gpu_pll_out", "gpu_pll_bypass", + base + 0x64, 11); + hws[IMX8MN_ANATOP_M7_ALT_PLL_OUT] = + imx_clk_hw_gate("m7_alt_pll_out", "m7_alt_pll_bypass", + base + 0x74, 11); + hws[IMX8MN_ANATOP_ARM_PLL_OUT] = + imx_clk_hw_gate("arm_pll_out", "arm_pll_bypass", + base + 0x84, 11); + hws[IMX8MN_ANATOP_SYS_PLL3_OUT] = + imx_clk_hw_gate("sys_pll3_out", "sys_pll3_bypass", + base + 0x114, 11); + + /* SYS PLL1 fixed output */ + hws[IMX8MN_ANATOP_SYS_PLL1_OUT] = + imx_clk_hw_gate("sys_pll1_out", "sys_pll1", base + 0x94, 11); + hws[IMX8MN_ANATOP_SYS_PLL1_40M] = + imx_clk_hw_fixed_factor("sys_pll1_40m", "sys_pll1_out", 1, 20); + hws[IMX8MN_ANATOP_SYS_PLL1_80M] = + imx_clk_hw_fixed_factor("sys_pll1_80m", "sys_pll1_out", 1, 10); + hws[IMX8MN_ANATOP_SYS_PLL1_100M] = + imx_clk_hw_fixed_factor("sys_pll1_100m", "sys_pll1_out", 1, 8); + hws[IMX8MN_ANATOP_SYS_PLL1_133M] = + imx_clk_hw_fixed_factor("sys_pll1_133m", "sys_pll1_out", 1, 6); + hws[IMX8MN_ANATOP_SYS_PLL1_160M] = + imx_clk_hw_fixed_factor("sys_pll1_160m", "sys_pll1_out", 1, 5); + hws[IMX8MN_ANATOP_SYS_PLL1_200M] = + imx_clk_hw_fixed_factor("sys_pll1_200m", "sys_pll1_out", 1, 4); + hws[IMX8MN_ANATOP_SYS_PLL1_266M] = + imx_clk_hw_fixed_factor("sys_pll1_266m", "sys_pll1_out", 1, 3); + hws[IMX8MN_ANATOP_SYS_PLL1_400M] = + imx_clk_hw_fixed_factor("sys_pll1_400m", "sys_pll1_out", 1, 2); + hws[IMX8MN_ANATOP_SYS_PLL1_800M] = + imx_clk_hw_fixed_factor("sys_pll1_800m", "sys_pll1_out", 1, 1); + + /* SYS PLL2 fixed output */ + hws[IMX8MN_ANATOP_SYS_PLL2_OUT] = + imx_clk_hw_gate("sys_pll2_out", "sys_pll2", base + 0x104, 11); + hws[IMX8MN_ANATOP_SYS_PLL2_50M] = + imx_clk_hw_fixed_factor("sys_pll2_50m", "sys_pll2_out", 1, 20); + hws[IMX8MN_ANATOP_SYS_PLL2_100M] = + imx_clk_hw_fixed_factor("sys_pll2_100m", "sys_pll2_out", 1, 10); + hws[IMX8MN_ANATOP_SYS_PLL2_125M] = + imx_clk_hw_fixed_factor("sys_pll2_125m", "sys_pll2_out", 1, 8); + hws[IMX8MN_ANATOP_SYS_PLL2_166M] = + imx_clk_hw_fixed_factor("sys_pll2_166m", "sys_pll2_out", 1, 6); + hws[IMX8MN_ANATOP_SYS_PLL2_200M] = + imx_clk_hw_fixed_factor("sys_pll2_200m", "sys_pll2_out", 1, 5); + hws[IMX8MN_ANATOP_SYS_PLL2_250M] = + imx_clk_hw_fixed_factor("sys_pll2_250m", "sys_pll2_out", 1, 4); + hws[IMX8MN_ANATOP_SYS_PLL2_333M] = + imx_clk_hw_fixed_factor("sys_pll2_333m", "sys_pll2_out", 1, 3); + hws[IMX8MN_ANATOP_SYS_PLL2_500M] = + imx_clk_hw_fixed_factor("sys_pll2_500m", "sys_pll2_out", 1, 2); + hws[IMX8MN_ANATOP_SYS_PLL2_1000M] = + imx_clk_hw_fixed_factor("sys_pll2_1000m", "sys_pll2_out", 1, 1); + + hws[IMX8MN_ANATOP_CLK_CLKOUT1_SEL] = + imx_clk_hw_mux2("clkout1_sel", base + 0x128, 4, 4, + clkout_sels, ARRAY_SIZE(clkout_sels)); + hws[IMX8MN_ANATOP_CLK_CLKOUT1_DIV] = + imx_clk_hw_divider("clkout1_div", "clkout1_sel", base + 0x128, + 0, 4); + hws[IMX8MN_ANATOP_CLK_CLKOUT1] = + imx_clk_hw_gate("clkout1", "clkout1_div", base + 0x128, 8); + hws[IMX8MN_ANATOP_CLK_CLKOUT2_SEL] = + imx_clk_hw_mux2("clkout2_sel", base + 0x128, 20, 4, + clkout_sels, ARRAY_SIZE(clkout_sels)); + hws[IMX8MN_ANATOP_CLK_CLKOUT2_DIV] = + imx_clk_hw_divider("clkout2_div", "clkout2_sel", base + 0x128, + 16, 4); + hws[IMX8MN_ANATOP_CLK_CLKOUT2] = + imx_clk_hw_gate("clkout2", "clkout2_div", base + 0x128, 24); + + imx_check_clk_hws(hws, IMX8MN_ANATOP_CLK_END); + + ret = of_clk_add_hw_provider(np, of_clk_hw_onecell_get, clk_hw_data); + if (ret < 0) { + imx_unregister_hw_clocks(hws, IMX8MN_ANATOP_CLK_END); + return dev_err_probe(dev, ret, + "failed to register anatop clock provider\n"); + } + + dev_info(dev, "NXP i.MX8MN anatop clock driver probed\n"); + return 0; +} + +static const struct of_device_id imx8mn_anatop_clk_of_match[] = { + { .compatible = "fsl,imx8mn-anatop" }, + { /* Sentinel */ }, +}; +MODULE_DEVICE_TABLE(of, imx8mn_anatop_clk_of_match); + +static struct platform_driver imx8mn_anatop_clk_driver = { + .probe = imx8mn_anatop_clocks_probe, + .driver = { + .name = "imx8mn-anatop", + /* + * Disable bind attributes: clocks are not removed and + * reloading the driver will crash or break devices. + */ + .suppress_bind_attrs = true, + .of_match_table = imx8mn_anatop_clk_of_match, + }, +}; + +module_platform_driver(imx8mn_anatop_clk_driver); + +MODULE_AUTHOR("Dario Binacchi <dario.binacchi@amarulasolutions.com>"); +MODULE_DESCRIPTION("NXP i.MX8MN anatop clock driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/clk/imx/clk-imx8mn.c b/drivers/clk/imx/clk-imx8mn.c index ab77e148e70c..984331372139 100644 --- a/drivers/clk/imx/clk-imx8mn.c +++ b/drivers/clk/imx/clk-imx8mn.c @@ -24,16 +24,6 @@ static u32 share_count_disp; static u32 share_count_pdm; static u32 share_count_nand; -static const char * const pll_ref_sels[] = { "osc_24m", "dummy", "dummy", "dummy", }; -static const char * const audio_pll1_bypass_sels[] = {"audio_pll1", "audio_pll1_ref_sel", }; -static const char * const audio_pll2_bypass_sels[] = {"audio_pll2", "audio_pll2_ref_sel", }; -static const char * const video_pll_bypass_sels[] = {"video_pll", "video_pll_ref_sel", }; -static const char * const dram_pll_bypass_sels[] = {"dram_pll", "dram_pll_ref_sel", }; -static const char * const gpu_pll_bypass_sels[] = {"gpu_pll", "gpu_pll_ref_sel", }; -static const char * const m7_alt_pll_bypass_sels[] = {"m7_alt_pll", "m7_alt_pll_ref_sel", }; -static const char * const arm_pll_bypass_sels[] = {"arm_pll", "arm_pll_ref_sel", }; -static const char * const sys_pll3_bypass_sels[] = {"sys_pll3", "sys_pll3_ref_sel", }; - static const char * const imx8mn_a53_sels[] = {"osc_24m", "arm_pll_out", "sys_pll2_500m", "sys_pll2_1000m", "sys_pll1_800m", "sys_pll1_400m", "audio_pll1_out", "sys_pll3_out", }; @@ -308,21 +298,20 @@ static const char * const imx8mn_clko2_sels[] = {"osc_24m", "sys_pll2_200m", "sy "sys_pll2_166m", "sys_pll3_out", "audio_pll1_out", "video_pll_out", "osc_32k", }; -static const char * const clkout_sels[] = {"audio_pll1_out", "audio_pll2_out", "video_pll_out", - "dummy", "dummy", "gpu_pll_out", "dummy", - "arm_pll_out", "sys_pll1", "sys_pll2", "sys_pll3", - "dummy", "dummy", "osc_24m", "dummy", "osc_32k"}; - static struct clk_hw_onecell_data *clk_hw_data; static struct clk_hw **hws; static int imx8mn_clocks_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; - struct device_node *np = dev->of_node; + struct device_node *np = dev->of_node, *anp; void __iomem *base; int ret; + base = devm_platform_ioremap_resource(pdev, 0); + if (WARN_ON(IS_ERR(base))) + return PTR_ERR(base); + clk_hw_data = devm_kzalloc(dev, struct_size(clk_hw_data, hws, IMX8MN_CLK_END), GFP_KERNEL); if (WARN_ON(!clk_hw_data)) @@ -331,99 +320,93 @@ static int imx8mn_clocks_probe(struct platform_device *pdev) clk_hw_data->num = IMX8MN_CLK_END; hws = clk_hw_data->hws; - hws[IMX8MN_CLK_DUMMY] = imx_clk_hw_fixed("dummy", 0); - hws[IMX8MN_CLK_24M] = imx_get_clk_hw_by_name(np, "osc_24m"); - hws[IMX8MN_CLK_32K] = imx_get_clk_hw_by_name(np, "osc_32k"); + anp = of_parse_phandle(np, "fsl,anatop", 0); + if (!anp) { + anp = of_find_compatible_node(NULL, NULL, "fsl,imx8mn-anatop"); + if (!anp) + return dev_err_probe(dev, -ENODEV, "missing anatop\n"); + } + + of_node_put(anp); + + hws[IMX8MN_CLK_DUMMY] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_CLK_DUMMY); + hws[IMX8MN_CLK_24M] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_CLK_24M); + hws[IMX8MN_CLK_32K] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_CLK_32K); hws[IMX8MN_CLK_EXT1] = imx_get_clk_hw_by_name(np, "clk_ext1"); hws[IMX8MN_CLK_EXT2] = imx_get_clk_hw_by_name(np, "clk_ext2"); hws[IMX8MN_CLK_EXT3] = imx_get_clk_hw_by_name(np, "clk_ext3"); hws[IMX8MN_CLK_EXT4] = imx_get_clk_hw_by_name(np, "clk_ext4"); - np = of_find_compatible_node(NULL, NULL, "fsl,imx8mn-anatop"); - base = devm_of_iomap(dev, np, 0, NULL); - of_node_put(np); - if (WARN_ON(IS_ERR(base))) { - ret = PTR_ERR(base); - goto unregister_hws; - } - - hws[IMX8MN_AUDIO_PLL1_REF_SEL] = imx_clk_hw_mux("audio_pll1_ref_sel", base + 0x0, 0, 2, pll_ref_sels, ARRAY_SIZE(pll_ref_sels)); - hws[IMX8MN_AUDIO_PLL2_REF_SEL] = imx_clk_hw_mux("audio_pll2_ref_sel", base + 0x14, 0, 2, pll_ref_sels, ARRAY_SIZE(pll_ref_sels)); - hws[IMX8MN_VIDEO_PLL_REF_SEL] = imx_clk_hw_mux("video_pll_ref_sel", base + 0x28, 0, 2, pll_ref_sels, ARRAY_SIZE(pll_ref_sels)); - hws[IMX8MN_DRAM_PLL_REF_SEL] = imx_clk_hw_mux("dram_pll_ref_sel", base + 0x50, 0, 2, pll_ref_sels, ARRAY_SIZE(pll_ref_sels)); - hws[IMX8MN_GPU_PLL_REF_SEL] = imx_clk_hw_mux("gpu_pll_ref_sel", base + 0x64, 0, 2, pll_ref_sels, ARRAY_SIZE(pll_ref_sels)); - hws[IMX8MN_M7_ALT_PLL_REF_SEL] = imx_clk_hw_mux("m7_alt_pll_ref_sel", base + 0x74, 0, 2, pll_ref_sels, ARRAY_SIZE(pll_ref_sels)); - hws[IMX8MN_ARM_PLL_REF_SEL] = imx_clk_hw_mux("arm_pll_ref_sel", base + 0x84, 0, 2, pll_ref_sels, ARRAY_SIZE(pll_ref_sels)); - hws[IMX8MN_SYS_PLL3_REF_SEL] = imx_clk_hw_mux("sys_pll3_ref_sel", base + 0x114, 0, 2, pll_ref_sels, ARRAY_SIZE(pll_ref_sels)); - - hws[IMX8MN_AUDIO_PLL1] = imx_clk_hw_pll14xx("audio_pll1", "audio_pll1_ref_sel", base, &imx_1443x_pll); - hws[IMX8MN_AUDIO_PLL2] = imx_clk_hw_pll14xx("audio_pll2", "audio_pll2_ref_sel", base + 0x14, &imx_1443x_pll); - hws[IMX8MN_VIDEO_PLL] = imx_clk_hw_pll14xx("video_pll", "video_pll_ref_sel", base + 0x28, &imx_1443x_pll); - hws[IMX8MN_DRAM_PLL] = imx_clk_hw_pll14xx("dram_pll", "dram_pll_ref_sel", base + 0x50, &imx_1443x_dram_pll); - hws[IMX8MN_GPU_PLL] = imx_clk_hw_pll14xx("gpu_pll", "gpu_pll_ref_sel", base + 0x64, &imx_1416x_pll); - hws[IMX8MN_M7_ALT_PLL] = imx_clk_hw_pll14xx("m7_alt_pll", "m7_alt_pll_ref_sel", base + 0x74, &imx_1416x_pll); - hws[IMX8MN_ARM_PLL] = imx_clk_hw_pll14xx("arm_pll", "arm_pll_ref_sel", base + 0x84, &imx_1416x_pll); - hws[IMX8MN_SYS_PLL1] = imx_clk_hw_fixed("sys_pll1", 800000000); - hws[IMX8MN_SYS_PLL2] = imx_clk_hw_fixed("sys_pll2", 1000000000); - hws[IMX8MN_SYS_PLL3] = imx_clk_hw_pll14xx("sys_pll3", "sys_pll3_ref_sel", base + 0x114, &imx_1416x_pll); + hws[IMX8MN_AUDIO_PLL1_REF_SEL] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_AUDIO_PLL1_REF_SEL); + hws[IMX8MN_AUDIO_PLL2_REF_SEL] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_AUDIO_PLL2_REF_SEL); + hws[IMX8MN_VIDEO_PLL_REF_SEL] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_VIDEO_PLL_REF_SEL); + hws[IMX8MN_DRAM_PLL_REF_SEL] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_DRAM_PLL_REF_SEL); + hws[IMX8MN_GPU_PLL_REF_SEL] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_GPU_PLL_REF_SEL); + hws[IMX8MN_M7_ALT_PLL_REF_SEL] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_M7_ALT_PLL_REF_SEL); + hws[IMX8MN_ARM_PLL_REF_SEL] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_ARM_PLL_REF_SEL); + hws[IMX8MN_SYS_PLL3_REF_SEL] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_SYS_PLL3_REF_SEL); + + hws[IMX8MN_AUDIO_PLL1] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_AUDIO_PLL1); + hws[IMX8MN_AUDIO_PLL2] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_AUDIO_PLL2); + hws[IMX8MN_VIDEO_PLL] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_VIDEO_PLL); + hws[IMX8MN_DRAM_PLL] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_DRAM_PLL); + hws[IMX8MN_GPU_PLL] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_GPU_PLL); + hws[IMX8MN_M7_ALT_PLL] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_M7_ALT_PLL); + hws[IMX8MN_ARM_PLL] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_ARM_PLL); + hws[IMX8MN_SYS_PLL1] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_SYS_PLL1); + hws[IMX8MN_SYS_PLL2] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_SYS_PLL2); + hws[IMX8MN_SYS_PLL3] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_SYS_PLL3); /* PLL bypass out */ - hws[IMX8MN_AUDIO_PLL1_BYPASS] = imx_clk_hw_mux_flags("audio_pll1_bypass", base, 16, 1, audio_pll1_bypass_sels, ARRAY_SIZE(audio_pll1_bypass_sels), CLK_SET_RATE_PARENT); - hws[IMX8MN_AUDIO_PLL2_BYPASS] = imx_clk_hw_mux_flags("audio_pll2_bypass", base + 0x14, 16, 1, audio_pll2_bypass_sels, ARRAY_SIZE(audio_pll2_bypass_sels), CLK_SET_RATE_PARENT); - hws[IMX8MN_VIDEO_PLL_BYPASS] = imx_clk_hw_mux_flags("video_pll_bypass", base + 0x28, 16, 1, video_pll_bypass_sels, ARRAY_SIZE(video_pll_bypass_sels), CLK_SET_RATE_PARENT); - hws[IMX8MN_DRAM_PLL_BYPASS] = imx_clk_hw_mux_flags("dram_pll_bypass", base + 0x50, 16, 1, dram_pll_bypass_sels, ARRAY_SIZE(dram_pll_bypass_sels), CLK_SET_RATE_PARENT); - hws[IMX8MN_GPU_PLL_BYPASS] = imx_clk_hw_mux_flags("gpu_pll_bypass", base + 0x64, 28, 1, gpu_pll_bypass_sels, ARRAY_SIZE(gpu_pll_bypass_sels), CLK_SET_RATE_PARENT); - hws[IMX8MN_M7_ALT_PLL_BYPASS] = imx_clk_hw_mux_flags("m7_alt_pll_bypass", base + 0x74, 28, 1, m7_alt_pll_bypass_sels, ARRAY_SIZE(m7_alt_pll_bypass_sels), CLK_SET_RATE_PARENT); - hws[IMX8MN_ARM_PLL_BYPASS] = imx_clk_hw_mux_flags("arm_pll_bypass", base + 0x84, 28, 1, arm_pll_bypass_sels, ARRAY_SIZE(arm_pll_bypass_sels), CLK_SET_RATE_PARENT); - hws[IMX8MN_SYS_PLL3_BYPASS] = imx_clk_hw_mux_flags("sys_pll3_bypass", base + 0x114, 28, 1, sys_pll3_bypass_sels, ARRAY_SIZE(sys_pll3_bypass_sels), CLK_SET_RATE_PARENT); + hws[IMX8MN_AUDIO_PLL1_BYPASS] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_AUDIO_PLL1_BYPASS); + hws[IMX8MN_AUDIO_PLL2_BYPASS] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_AUDIO_PLL2_BYPASS); + hws[IMX8MN_VIDEO_PLL_BYPASS] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_VIDEO_PLL_BYPASS); + hws[IMX8MN_DRAM_PLL_BYPASS] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_DRAM_PLL_BYPASS); + hws[IMX8MN_GPU_PLL_BYPASS] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_GPU_PLL_BYPASS); + hws[IMX8MN_M7_ALT_PLL_BYPASS] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_M7_ALT_PLL_BYPASS); + hws[IMX8MN_ARM_PLL_BYPASS] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_ARM_PLL_BYPASS); + hws[IMX8MN_SYS_PLL3_BYPASS] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_SYS_PLL3_BYPASS); /* PLL out gate */ - hws[IMX8MN_AUDIO_PLL1_OUT] = imx_clk_hw_gate("audio_pll1_out", "audio_pll1_bypass", base, 13); - hws[IMX8MN_AUDIO_PLL2_OUT] = imx_clk_hw_gate("audio_pll2_out", "audio_pll2_bypass", base + 0x14, 13); - hws[IMX8MN_VIDEO_PLL_OUT] = imx_clk_hw_gate("video_pll_out", "video_pll_bypass", base + 0x28, 13); - hws[IMX8MN_DRAM_PLL_OUT] = imx_clk_hw_gate("dram_pll_out", "dram_pll_bypass", base + 0x50, 13); - hws[IMX8MN_GPU_PLL_OUT] = imx_clk_hw_gate("gpu_pll_out", "gpu_pll_bypass", base + 0x64, 11); - hws[IMX8MN_M7_ALT_PLL_OUT] = imx_clk_hw_gate("m7_alt_pll_out", "m7_alt_pll_bypass", base + 0x74, 11); - hws[IMX8MN_ARM_PLL_OUT] = imx_clk_hw_gate("arm_pll_out", "arm_pll_bypass", base + 0x84, 11); - hws[IMX8MN_SYS_PLL3_OUT] = imx_clk_hw_gate("sys_pll3_out", "sys_pll3_bypass", base + 0x114, 11); + hws[IMX8MN_AUDIO_PLL1_OUT] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_AUDIO_PLL1_OUT); + hws[IMX8MN_AUDIO_PLL2_OUT] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_AUDIO_PLL2_OUT); + hws[IMX8MN_VIDEO_PLL_OUT] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_VIDEO_PLL_OUT); + hws[IMX8MN_DRAM_PLL_OUT] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_DRAM_PLL_OUT); + hws[IMX8MN_GPU_PLL_OUT] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_GPU_PLL_OUT); + hws[IMX8MN_M7_ALT_PLL_OUT] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_M7_ALT_PLL_OUT); + hws[IMX8MN_ARM_PLL_OUT] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_ARM_PLL_OUT); + hws[IMX8MN_SYS_PLL3_OUT] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_SYS_PLL3_OUT); /* SYS PLL1 fixed output */ - hws[IMX8MN_SYS_PLL1_OUT] = imx_clk_hw_gate("sys_pll1_out", "sys_pll1", base + 0x94, 11); - hws[IMX8MN_SYS_PLL1_40M] = imx_clk_hw_fixed_factor("sys_pll1_40m", "sys_pll1_out", 1, 20); - hws[IMX8MN_SYS_PLL1_80M] = imx_clk_hw_fixed_factor("sys_pll1_80m", "sys_pll1_out", 1, 10); - hws[IMX8MN_SYS_PLL1_100M] = imx_clk_hw_fixed_factor("sys_pll1_100m", "sys_pll1_out", 1, 8); - hws[IMX8MN_SYS_PLL1_133M] = imx_clk_hw_fixed_factor("sys_pll1_133m", "sys_pll1_out", 1, 6); - hws[IMX8MN_SYS_PLL1_160M] = imx_clk_hw_fixed_factor("sys_pll1_160m", "sys_pll1_out", 1, 5); - hws[IMX8MN_SYS_PLL1_200M] = imx_clk_hw_fixed_factor("sys_pll1_200m", "sys_pll1_out", 1, 4); - hws[IMX8MN_SYS_PLL1_266M] = imx_clk_hw_fixed_factor("sys_pll1_266m", "sys_pll1_out", 1, 3); - hws[IMX8MN_SYS_PLL1_400M] = imx_clk_hw_fixed_factor("sys_pll1_400m", "sys_pll1_out", 1, 2); - hws[IMX8MN_SYS_PLL1_800M] = imx_clk_hw_fixed_factor("sys_pll1_800m", "sys_pll1_out", 1, 1); + hws[IMX8MN_SYS_PLL1_OUT] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_SYS_PLL1_OUT); + hws[IMX8MN_SYS_PLL1_40M] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_SYS_PLL1_40M); + hws[IMX8MN_SYS_PLL1_80M] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_SYS_PLL1_80M); + hws[IMX8MN_SYS_PLL1_100M] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_SYS_PLL1_100M); + hws[IMX8MN_SYS_PLL1_133M] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_SYS_PLL1_133M); + hws[IMX8MN_SYS_PLL1_160M] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_SYS_PLL1_160M); + hws[IMX8MN_SYS_PLL1_200M] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_SYS_PLL1_200M); + hws[IMX8MN_SYS_PLL1_266M] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_SYS_PLL1_266M); + hws[IMX8MN_SYS_PLL1_400M] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_SYS_PLL1_400M); + hws[IMX8MN_SYS_PLL1_800M] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_SYS_PLL1_800M); /* SYS PLL2 fixed output */ - hws[IMX8MN_SYS_PLL2_OUT] = imx_clk_hw_gate("sys_pll2_out", "sys_pll2", base + 0x104, 11); - hws[IMX8MN_SYS_PLL2_50M] = imx_clk_hw_fixed_factor("sys_pll2_50m", "sys_pll2_out", 1, 20); - hws[IMX8MN_SYS_PLL2_100M] = imx_clk_hw_fixed_factor("sys_pll2_100m", "sys_pll2_out", 1, 10); - hws[IMX8MN_SYS_PLL2_125M] = imx_clk_hw_fixed_factor("sys_pll2_125m", "sys_pll2_out", 1, 8); - hws[IMX8MN_SYS_PLL2_166M] = imx_clk_hw_fixed_factor("sys_pll2_166m", "sys_pll2_out", 1, 6); - hws[IMX8MN_SYS_PLL2_200M] = imx_clk_hw_fixed_factor("sys_pll2_200m", "sys_pll2_out", 1, 5); - hws[IMX8MN_SYS_PLL2_250M] = imx_clk_hw_fixed_factor("sys_pll2_250m", "sys_pll2_out", 1, 4); - hws[IMX8MN_SYS_PLL2_333M] = imx_clk_hw_fixed_factor("sys_pll2_333m", "sys_pll2_out", 1, 3); - hws[IMX8MN_SYS_PLL2_500M] = imx_clk_hw_fixed_factor("sys_pll2_500m", "sys_pll2_out", 1, 2); - hws[IMX8MN_SYS_PLL2_1000M] = imx_clk_hw_fixed_factor("sys_pll2_1000m", "sys_pll2_out", 1, 1); - - hws[IMX8MN_CLK_CLKOUT1_SEL] = imx_clk_hw_mux2("clkout1_sel", base + 0x128, 4, 4, clkout_sels, ARRAY_SIZE(clkout_sels)); - hws[IMX8MN_CLK_CLKOUT1_DIV] = imx_clk_hw_divider("clkout1_div", "clkout1_sel", base + 0x128, 0, 4); - hws[IMX8MN_CLK_CLKOUT1] = imx_clk_hw_gate("clkout1", "clkout1_div", base + 0x128, 8); - hws[IMX8MN_CLK_CLKOUT2_SEL] = imx_clk_hw_mux2("clkout2_sel", base + 0x128, 20, 4, clkout_sels, ARRAY_SIZE(clkout_sels)); - hws[IMX8MN_CLK_CLKOUT2_DIV] = imx_clk_hw_divider("clkout2_div", "clkout2_sel", base + 0x128, 16, 4); - hws[IMX8MN_CLK_CLKOUT2] = imx_clk_hw_gate("clkout2", "clkout2_div", base + 0x128, 24); - - np = dev->of_node; - base = devm_platform_ioremap_resource(pdev, 0); - if (WARN_ON(IS_ERR(base))) { - ret = PTR_ERR(base); - goto unregister_hws; - } + hws[IMX8MN_SYS_PLL2_OUT] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_SYS_PLL2_OUT); + hws[IMX8MN_SYS_PLL2_50M] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_SYS_PLL2_50M); + hws[IMX8MN_SYS_PLL2_100M] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_SYS_PLL2_100M); + hws[IMX8MN_SYS_PLL2_125M] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_SYS_PLL2_125M); + hws[IMX8MN_SYS_PLL2_166M] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_SYS_PLL2_166M); + hws[IMX8MN_SYS_PLL2_200M] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_SYS_PLL2_200M); + hws[IMX8MN_SYS_PLL2_250M] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_SYS_PLL2_250M); + hws[IMX8MN_SYS_PLL2_333M] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_SYS_PLL2_333M); + hws[IMX8MN_SYS_PLL2_500M] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_SYS_PLL2_500M); + hws[IMX8MN_SYS_PLL2_1000M] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_SYS_PLL2_1000M); + + hws[IMX8MN_CLK_CLKOUT1_SEL] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_CLK_CLKOUT1_SEL); + hws[IMX8MN_CLK_CLKOUT1_DIV] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_CLK_CLKOUT1_DIV); + hws[IMX8MN_CLK_CLKOUT1] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_CLK_CLKOUT1); + hws[IMX8MN_CLK_CLKOUT2_SEL] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_CLK_CLKOUT2_SEL); + hws[IMX8MN_CLK_CLKOUT2_DIV] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_CLK_CLKOUT2_DIV); + hws[IMX8MN_CLK_CLKOUT2] = imx_anatop_get_clk_hw(anp, IMX8MN_ANATOP_CLK_CLKOUT2); /* CORE */ hws[IMX8MN_CLK_A53_DIV] = imx8m_clk_hw_composite_core("arm_a53_div", imx8mn_a53_sels, base + 0x8000); @@ -599,18 +582,15 @@ static int imx8mn_clocks_probe(struct platform_device *pdev) ret = of_clk_add_hw_provider(np, of_clk_hw_onecell_get, clk_hw_data); if (ret < 0) { - dev_err(dev, "failed to register hws for i.MX8MN\n"); - goto unregister_hws; + imx_unregister_hw_clocks(hws, IMX8MN_CLK_END); + return dev_err_probe(dev, ret, + "failed to register hws for i.MX8MN\n"); } imx_register_uart_clocks(); + dev_info(dev, "NXP i.MX8MN ccm clock driver probed\n"); return 0; - -unregister_hws: - imx_unregister_hw_clocks(hws, IMX8MN_CLK_END); - - return ret; } static const struct of_device_id imx8mn_clk_of_match[] = {

[v7,16/23] clk: imx: add support for i.MX8MN anatop clock driver

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Patch