| Message ID | 20220614180239.778334-1-marex@denx.de (mailing list archive) |
|---|---|
| State | Changes Requested, archived |
| Headers | show |
| Series | [v2,1/4] clk: imx: imx8mp: Add audiomix block control | expand |
Quoting Marek Vasut (2022-06-14 11:02:36) > diff --git a/drivers/clk/imx/clk-imx8mp-audiomix.c b/drivers/clk/imx/clk-imx8mp-audiomix.c > new file mode 100644 > index 0000000000000..bfa6080f274ff > --- /dev/null > +++ b/drivers/clk/imx/clk-imx8mp-audiomix.c > @@ -0,0 +1,262 @@ > +// SPDX-License-Identifier: GPL-2.0-or-later > +/* > + * Driver for i.MX8M Plus Audio BLK_CTRL > + * > + * Copyright (C) 2022 Marek Vasut <marex@denx.de> > + */ > + > +#include <linux/clk-provider.h> > +#include <linux/device.h> > +#include <linux/module.h> > +#include <linux/of.h> > +#include <linux/platform_device.h> > + > +#include <dt-bindings/clock/imx8mp-clock.h> > + > +#include "clk.h" > + > +#define CLKEN0 0x000 > +#define CLKEN1 0x004 > +#define SAI_MCLK_SEL(n) (300 + 4 * (n)) /* n in 0..5 */ > +#define PDM_SEL 0x318 > +#define SAI_PLL_GNRL_CTL 0x400 > + > +#define SAIn_MCLK1_PARENT(n) \ > +static const char *clk_imx8mp_audiomix_sai##n##_mclk1_parents[] = { \ > + "sai"__stringify(n), "sai"__stringify(n)"_mclk" \ > +} > + > +SAIn_MCLK1_PARENT(1); > +SAIn_MCLK1_PARENT(2); > +SAIn_MCLK1_PARENT(3); > +SAIn_MCLK1_PARENT(5); > +SAIn_MCLK1_PARENT(6); > +SAIn_MCLK1_PARENT(7); > + > +static const char *clk_imx8mp_audiomix_sai_mclk2_parents[] = { > + "sai1", "sai2", "sai3", "dummy", > + "sai5", "sai6", "sai7", > + "sai1_mclk", "sai2_mclk", "sai3_mclk", "dummy", > + "sai5_mclk", "sai6_mclk", "sai7_mclk", > + "spdif_extclk", "dummy" > +}; > + > +static const char *clk_imx8mp_audiomix_pdm_parents[] = { > + "ccm_pdm", "sai_pll_out_div2", "sai1_mclk", "dummy" > +}; Can this driver use clk_parent_data instead of string names everywhere? > + > + > +static const char * const clk_imx8mp_audiomix_pll_parents[] = { > + "osc_24m", "dummy", "dummy", "dummy" > +}; > + > +static const char * const clk_imx8mp_audiomix_pll_bypass_sels[] = { > + "sai_pll", "sai_pll_ref_sel" > +}; > + > +#define CLK_GATE(name, cname) \ > + { \ > + name"_cg", \ > + IMX8MP_CLK_AUDIOMIX_##cname, \ > + "audio_ahb", NULL, 1, \ > + CLKEN0 + 4 * !!(IMX8MP_CLK_AUDIOMIX_##cname / 32), \ > + 1, IMX8MP_CLK_AUDIOMIX_##cname % 32 \ > + } > + > +#define CLK_SAIn(n) \ > + { \ > + "sai"__stringify(n)"_mclk1_sel", \ > + IMX8MP_CLK_AUDIOMIX_SAI##n##_MCLK1_SEL, \ > + NULL, \ > + clk_imx8mp_audiomix_sai##n##_mclk1_parents, \ > + ARRAY_SIZE(clk_imx8mp_audiomix_sai##n##_mclk1_parents), \ > + SAI_MCLK_SEL(n), 1, 0 \ > + }, { \ > + "sai"__stringify(n)"_mclk2_sel", \ > + IMX8MP_CLK_AUDIOMIX_SAI##n##_MCLK2_SEL, \ > + NULL, \ > + clk_imx8mp_audiomix_sai_mclk2_parents, \ > + ARRAY_SIZE(clk_imx8mp_audiomix_sai_mclk2_parents), \ > + SAI_MCLK_SEL(n), 4, 1 \ > + }, { \ > + "sai"__stringify(n)"_ipg_cg", \ > + IMX8MP_CLK_AUDIOMIX_SAI##n##_IPG, \ > + "audio_ahb", NULL, 1, \ > + CLKEN0, 1, IMX8MP_CLK_AUDIOMIX_SAI##n##_IPG \ > + }, { \ > + "sai"__stringify(n)"_mclk1_cg", \ > + IMX8MP_CLK_AUDIOMIX_SAI##n##_MCLK1, \ > + "sai"__stringify(n)"_mclk1_sel", NULL, 1, \ > + CLKEN0, 1, IMX8MP_CLK_AUDIOMIX_SAI##n##_MCLK1 \ > + }, { \ > + "sai"__stringify(n)"_mclk2_cg", \ > + IMX8MP_CLK_AUDIOMIX_SAI##n##_MCLK2, \ > + "sai"__stringify(n)"_mclk2_sel", NULL, 1, \ > + CLKEN0, 1, IMX8MP_CLK_AUDIOMIX_SAI##n##_MCLK2 \ > + }, { \ > + "sai"__stringify(n)"_mclk3_cg", \ > + IMX8MP_CLK_AUDIOMIX_SAI##n##_MCLK3, \ > + "sai_pll_out_div2", NULL, 1, \ > + CLKEN0, 1, IMX8MP_CLK_AUDIOMIX_SAI##n##_MCLK3 \ > + } > + > +#define CLK_PDM \ > + { \ > + "pdm_sel", IMX8MP_CLK_AUDIOMIX_PDM_SEL, NULL, \ > + clk_imx8mp_audiomix_pdm_parents, \ > + ARRAY_SIZE(clk_imx8mp_audiomix_pdm_parents), \ > + PDM_SEL, 2, 0 \ > + } > + > +struct clk_imx8mp_audiomix_sel { > + const char *name; > + int clkid; > + const char *parent; /* For gate */ > + const char **parents; /* For mux */ > + int num_parents; > + u16 reg; > + u8 width; > + u8 shift; > +}; > + > +static struct clk_imx8mp_audiomix_sel sels[] = { > + CLK_GATE("asrc", ASRC_IPG), > + CLK_GATE("pdm", PDM_IPG), > + CLK_GATE("earc", EARC_IPG), > + CLK_GATE("ocrama", OCRAMA_IPG), > + CLK_GATE("aud2htx", AUD2HTX_IPG), > + CLK_GATE("earc_phy", EARC_PHY), > + CLK_GATE("sdma2", SDMA2_ROOT), > + CLK_GATE("sdma3", SDMA3_ROOT), > + CLK_GATE("spba2", SPBA2_ROOT), > + CLK_GATE("dsp", DSP_ROOT), > + CLK_GATE("dspdbg", DSPDBG_ROOT), > + CLK_GATE("edma", EDMA_ROOT), > + CLK_GATE("audpll", AUDPLL_ROOT), > + CLK_GATE("mu2", MU2_ROOT), > + CLK_GATE("mu3", MU3_ROOT), > + CLK_PDM, > + CLK_SAIn(1), > + CLK_SAIn(2), > + CLK_SAIn(3), > + CLK_SAIn(5), > + CLK_SAIn(6), > + CLK_SAIn(7) > +}; > + > +struct clk_imx8mp_audiomix_priv { > + struct clk_hw *clk[IMX8MP_CLK_AUDIOMIX_END]; What is this tabbed to align to? > +}; > + > +static struct clk_hw * > +clk_imx8mp_audiomix_of_clk_get(struct of_phandle_args *clkspec, void *data) > +{ > + struct clk_imx8mp_audiomix_priv *priv = data; > + unsigned int idx = clkspec->args[0]; > + > + return priv->clk[idx]; This could simply be clk_hw_onecell_data and then it has range safety? > +} > + > +static int clk_imx8mp_audiomix_probe(struct platform_device *pdev) > +{ > + struct clk_imx8mp_audiomix_priv *priv; > + struct device *dev = &pdev->dev; > + struct resource *res; > + void __iomem *base; > + struct clk_hw *hw; > + int i; > + > + priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); > + if (!priv) > + return -ENOMEM; > + > + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); > + base = devm_ioremap_resource(dev, res); Use devm_platform_ioremap_resource() please. > + if (IS_ERR(base)) > + return PTR_ERR(base); > + > + for (i = 0; i < ARRAY_SIZE(sels); i++) { > + if (sels[i].num_parents == 1) { > + hw = devm_clk_hw_register_gate(dev, > + sels[i].name, > + sels[i].parent, > + 0, > + base + sels[i].reg, > + sels[i].shift, > + 0, NULL); > + } else { > + hw = devm_clk_hw_register_mux(dev, sels[i].name, > + sels[i].parents, > + sels[i].num_parents, > + 0, > + base + sels[i].reg, > + sels[i].shift, > + sels[i].width, > + 0, NULL); > + } > + > + if (IS_ERR(hw)) > + return PTR_ERR(hw); > + > + priv->clk[sels[i].clkid] = hw; > + } > + > + /* SAI PLL */ > + hw = devm_clk_hw_register_mux(dev, "sai_pll_ref_sel", > + clk_imx8mp_audiomix_pll_parents, > + ARRAY_SIZE(clk_imx8mp_audiomix_pll_parents), > + CLK_SET_RATE_NO_REPARENT, > + base + SAI_PLL_GNRL_CTL, 0, 2, 0, NULL); > + priv->clk[IMX8MP_CLK_AUDIOMIX_SAI_PLL_REF_SEL] = hw; > + > + hw = imx_dev_clk_hw_pll14xx(dev, "sai_pll", "sai_pll_ref_sel", > + base + 0x400, &imx_1443x_pll); > + if (IS_ERR(hw)) > + return PTR_ERR(hw); > + priv->clk[IMX8MP_CLK_AUDIOMIX_SAI_PLL] = hw; > + > + hw = devm_clk_hw_register_mux(dev, "sai_pll_bypass", > + clk_imx8mp_audiomix_pll_bypass_sels, > + ARRAY_SIZE(clk_imx8mp_audiomix_pll_bypass_sels), > + CLK_SET_RATE_NO_REPARENT | CLK_SET_RATE_PARENT, > + base + SAI_PLL_GNRL_CTL, 16, 1, 0, NULL); > + if (IS_ERR(hw)) > + return PTR_ERR(hw); > + priv->clk[IMX8MP_CLK_AUDIOMIX_SAI_PLL_BYPASS] = hw; > + > + hw = devm_clk_hw_register_gate(dev, "sai_pll_out", "sai_pll_bypass", > + 0, base + SAI_PLL_GNRL_CTL, 13, > + 0, NULL); > + if (IS_ERR(hw)) > + return PTR_ERR(hw); > + priv->clk[IMX8MP_CLK_AUDIOMIX_SAI_PLL_OUT] = hw; > + > + hw = devm_clk_hw_register_fixed_factor(dev, "sai_pll_out_div2", > + "sai_pll_out", 0, 1, 2); > + if (IS_ERR(hw)) > + return PTR_ERR(hw); > + > + return devm_of_clk_add_hw_provider(&pdev->dev, > + clk_imx8mp_audiomix_of_clk_get, > + priv); > +} > + > +static const struct of_device_id clk_imx8mp_audiomix_of_match[] = { Include mod_device_table.h for of_device_id struct > + { .compatible = "fsl,imx8mp-audio-blk-ctrl" }, > + { /* sentinel */ } > +}; > +MODULE_DEVICE_TABLE(of, clk_imx8mp_audiomix_of_match); > + > +static struct platform_driver clk_imx8mp_audiomix_driver = { > + .probe = clk_imx8mp_audiomix_probe, > + .driver = { > + .name = "imx8mp-audio-blk-ctrl", > + .of_match_table = clk_imx8mp_audiomix_of_match, > + },
diff --git a/drivers/clk/imx/Makefile b/drivers/clk/imx/Makefile index 88b9b9285d22e..c4290937637eb 100644 --- a/drivers/clk/imx/Makefile +++ b/drivers/clk/imx/Makefile @@ -25,7 +25,7 @@ obj-$(CONFIG_MXC_CLK) += mxc-clk.o obj-$(CONFIG_CLK_IMX8MM) += clk-imx8mm.o obj-$(CONFIG_CLK_IMX8MN) += clk-imx8mn.o -obj-$(CONFIG_CLK_IMX8MP) += clk-imx8mp.o +obj-$(CONFIG_CLK_IMX8MP) += clk-imx8mp.o clk-imx8mp-audiomix.o obj-$(CONFIG_CLK_IMX8MQ) += clk-imx8mq.o obj-$(CONFIG_CLK_IMX93) += clk-imx93.o diff --git a/drivers/clk/imx/clk-imx8mp-audiomix.c b/drivers/clk/imx/clk-imx8mp-audiomix.c new file mode 100644 index 0000000000000..bfa6080f274ff --- /dev/null +++ b/drivers/clk/imx/clk-imx8mp-audiomix.c @@ -0,0 +1,262 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Driver for i.MX8M Plus Audio BLK_CTRL + * + * Copyright (C) 2022 Marek Vasut <marex@denx.de> + */ + +#include <linux/clk-provider.h> +#include <linux/device.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/platform_device.h> + +#include <dt-bindings/clock/imx8mp-clock.h> + +#include "clk.h" + +#define CLKEN0 0x000 +#define CLKEN1 0x004 +#define SAI_MCLK_SEL(n) (300 + 4 * (n)) /* n in 0..5 */ +#define PDM_SEL 0x318 +#define SAI_PLL_GNRL_CTL 0x400 + +#define SAIn_MCLK1_PARENT(n) \ +static const char *clk_imx8mp_audiomix_sai##n##_mclk1_parents[] = { \ + "sai"__stringify(n), "sai"__stringify(n)"_mclk" \ +} + +SAIn_MCLK1_PARENT(1); +SAIn_MCLK1_PARENT(2); +SAIn_MCLK1_PARENT(3); +SAIn_MCLK1_PARENT(5); +SAIn_MCLK1_PARENT(6); +SAIn_MCLK1_PARENT(7); + +static const char *clk_imx8mp_audiomix_sai_mclk2_parents[] = { + "sai1", "sai2", "sai3", "dummy", + "sai5", "sai6", "sai7", + "sai1_mclk", "sai2_mclk", "sai3_mclk", "dummy", + "sai5_mclk", "sai6_mclk", "sai7_mclk", + "spdif_extclk", "dummy" +}; + +static const char *clk_imx8mp_audiomix_pdm_parents[] = { + "ccm_pdm", "sai_pll_out_div2", "sai1_mclk", "dummy" +}; + + +static const char * const clk_imx8mp_audiomix_pll_parents[] = { + "osc_24m", "dummy", "dummy", "dummy" +}; + +static const char * const clk_imx8mp_audiomix_pll_bypass_sels[] = { + "sai_pll", "sai_pll_ref_sel" +}; + +#define CLK_GATE(name, cname) \ + { \ + name"_cg", \ + IMX8MP_CLK_AUDIOMIX_##cname, \ + "audio_ahb", NULL, 1, \ + CLKEN0 + 4 * !!(IMX8MP_CLK_AUDIOMIX_##cname / 32), \ + 1, IMX8MP_CLK_AUDIOMIX_##cname % 32 \ + } + +#define CLK_SAIn(n) \ + { \ + "sai"__stringify(n)"_mclk1_sel", \ + IMX8MP_CLK_AUDIOMIX_SAI##n##_MCLK1_SEL, \ + NULL, \ + clk_imx8mp_audiomix_sai##n##_mclk1_parents, \ + ARRAY_SIZE(clk_imx8mp_audiomix_sai##n##_mclk1_parents), \ + SAI_MCLK_SEL(n), 1, 0 \ + }, { \ + "sai"__stringify(n)"_mclk2_sel", \ + IMX8MP_CLK_AUDIOMIX_SAI##n##_MCLK2_SEL, \ + NULL, \ + clk_imx8mp_audiomix_sai_mclk2_parents, \ + ARRAY_SIZE(clk_imx8mp_audiomix_sai_mclk2_parents), \ + SAI_MCLK_SEL(n), 4, 1 \ + }, { \ + "sai"__stringify(n)"_ipg_cg", \ + IMX8MP_CLK_AUDIOMIX_SAI##n##_IPG, \ + "audio_ahb", NULL, 1, \ + CLKEN0, 1, IMX8MP_CLK_AUDIOMIX_SAI##n##_IPG \ + }, { \ + "sai"__stringify(n)"_mclk1_cg", \ + IMX8MP_CLK_AUDIOMIX_SAI##n##_MCLK1, \ + "sai"__stringify(n)"_mclk1_sel", NULL, 1, \ + CLKEN0, 1, IMX8MP_CLK_AUDIOMIX_SAI##n##_MCLK1 \ + }, { \ + "sai"__stringify(n)"_mclk2_cg", \ + IMX8MP_CLK_AUDIOMIX_SAI##n##_MCLK2, \ + "sai"__stringify(n)"_mclk2_sel", NULL, 1, \ + CLKEN0, 1, IMX8MP_CLK_AUDIOMIX_SAI##n##_MCLK2 \ + }, { \ + "sai"__stringify(n)"_mclk3_cg", \ + IMX8MP_CLK_AUDIOMIX_SAI##n##_MCLK3, \ + "sai_pll_out_div2", NULL, 1, \ + CLKEN0, 1, IMX8MP_CLK_AUDIOMIX_SAI##n##_MCLK3 \ + } + +#define CLK_PDM \ + { \ + "pdm_sel", IMX8MP_CLK_AUDIOMIX_PDM_SEL, NULL, \ + clk_imx8mp_audiomix_pdm_parents, \ + ARRAY_SIZE(clk_imx8mp_audiomix_pdm_parents), \ + PDM_SEL, 2, 0 \ + } + +struct clk_imx8mp_audiomix_sel { + const char *name; + int clkid; + const char *parent; /* For gate */ + const char **parents; /* For mux */ + int num_parents; + u16 reg; + u8 width; + u8 shift; +}; + +static struct clk_imx8mp_audiomix_sel sels[] = { + CLK_GATE("asrc", ASRC_IPG), + CLK_GATE("pdm", PDM_IPG), + CLK_GATE("earc", EARC_IPG), + CLK_GATE("ocrama", OCRAMA_IPG), + CLK_GATE("aud2htx", AUD2HTX_IPG), + CLK_GATE("earc_phy", EARC_PHY), + CLK_GATE("sdma2", SDMA2_ROOT), + CLK_GATE("sdma3", SDMA3_ROOT), + CLK_GATE("spba2", SPBA2_ROOT), + CLK_GATE("dsp", DSP_ROOT), + CLK_GATE("dspdbg", DSPDBG_ROOT), + CLK_GATE("edma", EDMA_ROOT), + CLK_GATE("audpll", AUDPLL_ROOT), + CLK_GATE("mu2", MU2_ROOT), + CLK_GATE("mu3", MU3_ROOT), + CLK_PDM, + CLK_SAIn(1), + CLK_SAIn(2), + CLK_SAIn(3), + CLK_SAIn(5), + CLK_SAIn(6), + CLK_SAIn(7) +}; + +struct clk_imx8mp_audiomix_priv { + struct clk_hw *clk[IMX8MP_CLK_AUDIOMIX_END]; +}; + +static struct clk_hw * +clk_imx8mp_audiomix_of_clk_get(struct of_phandle_args *clkspec, void *data) +{ + struct clk_imx8mp_audiomix_priv *priv = data; + unsigned int idx = clkspec->args[0]; + + return priv->clk[idx]; +} + +static int clk_imx8mp_audiomix_probe(struct platform_device *pdev) +{ + struct clk_imx8mp_audiomix_priv *priv; + struct device *dev = &pdev->dev; + struct resource *res; + void __iomem *base; + struct clk_hw *hw; + int i; + + priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + base = devm_ioremap_resource(dev, res); + if (IS_ERR(base)) + return PTR_ERR(base); + + for (i = 0; i < ARRAY_SIZE(sels); i++) { + if (sels[i].num_parents == 1) { + hw = devm_clk_hw_register_gate(dev, + sels[i].name, + sels[i].parent, + 0, + base + sels[i].reg, + sels[i].shift, + 0, NULL); + } else { + hw = devm_clk_hw_register_mux(dev, sels[i].name, + sels[i].parents, + sels[i].num_parents, + 0, + base + sels[i].reg, + sels[i].shift, + sels[i].width, + 0, NULL); + } + + if (IS_ERR(hw)) + return PTR_ERR(hw); + + priv->clk[sels[i].clkid] = hw; + } + + /* SAI PLL */ + hw = devm_clk_hw_register_mux(dev, "sai_pll_ref_sel", + clk_imx8mp_audiomix_pll_parents, + ARRAY_SIZE(clk_imx8mp_audiomix_pll_parents), + CLK_SET_RATE_NO_REPARENT, + base + SAI_PLL_GNRL_CTL, 0, 2, 0, NULL); + priv->clk[IMX8MP_CLK_AUDIOMIX_SAI_PLL_REF_SEL] = hw; + + hw = imx_dev_clk_hw_pll14xx(dev, "sai_pll", "sai_pll_ref_sel", + base + 0x400, &imx_1443x_pll); + if (IS_ERR(hw)) + return PTR_ERR(hw); + priv->clk[IMX8MP_CLK_AUDIOMIX_SAI_PLL] = hw; + + hw = devm_clk_hw_register_mux(dev, "sai_pll_bypass", + clk_imx8mp_audiomix_pll_bypass_sels, + ARRAY_SIZE(clk_imx8mp_audiomix_pll_bypass_sels), + CLK_SET_RATE_NO_REPARENT | CLK_SET_RATE_PARENT, + base + SAI_PLL_GNRL_CTL, 16, 1, 0, NULL); + if (IS_ERR(hw)) + return PTR_ERR(hw); + priv->clk[IMX8MP_CLK_AUDIOMIX_SAI_PLL_BYPASS] = hw; + + hw = devm_clk_hw_register_gate(dev, "sai_pll_out", "sai_pll_bypass", + 0, base + SAI_PLL_GNRL_CTL, 13, + 0, NULL); + if (IS_ERR(hw)) + return PTR_ERR(hw); + priv->clk[IMX8MP_CLK_AUDIOMIX_SAI_PLL_OUT] = hw; + + hw = devm_clk_hw_register_fixed_factor(dev, "sai_pll_out_div2", + "sai_pll_out", 0, 1, 2); + if (IS_ERR(hw)) + return PTR_ERR(hw); + + return devm_of_clk_add_hw_provider(&pdev->dev, + clk_imx8mp_audiomix_of_clk_get, + priv); +} + +static const struct of_device_id clk_imx8mp_audiomix_of_match[] = { + { .compatible = "fsl,imx8mp-audio-blk-ctrl" }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, clk_imx8mp_audiomix_of_match); + +static struct platform_driver clk_imx8mp_audiomix_driver = { + .probe = clk_imx8mp_audiomix_probe, + .driver = { + .name = "imx8mp-audio-blk-ctrl", + .of_match_table = clk_imx8mp_audiomix_of_match, + }, +}; + +module_platform_driver(clk_imx8mp_audiomix_driver); + +MODULE_AUTHOR("Marek Vasut <marex@denx.de>"); +MODULE_DESCRIPTION("Freescale i.MX8MP Audio Block Controller driver"); +MODULE_LICENSE("GPL");
Unlike the other block control IPs in i.MX8M, the audiomix is mostly a series of clock gates and muxes. Model it as a large static table of gates and muxes with one exception, which is the PLL14xx . The PLL14xx SAI PLL has to be registered separately. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Abel Vesa <abel.vesa@nxp.com> Cc: Fabio Estevam <festevam@gmail.com> Cc: Jacky Bai <ping.bai@nxp.com> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: Lucas Stach <l.stach@pengutronix.de> Cc: Michael Turquette <mturquette@baylibre.com> Cc: Shawn Guo <shawnguo@kernel.org> Cc: Stephen Boyd <sboyd@kernel.org> Cc: linux-arm-kernel@lists.infradead.org To: linux-clk@vger.kernel.org Cc: linux-imx@nxp.com --- V2: No change --- drivers/clk/imx/Makefile | 2 +- drivers/clk/imx/clk-imx8mp-audiomix.c | 262 ++++++++++++++++++++++++++ 2 files changed, 263 insertions(+), 1 deletion(-) create mode 100644 drivers/clk/imx/clk-imx8mp-audiomix.c