Merge "ASoC: audio-ext-clk: Add pmi clk support for tasha" (09f3c6d7) · Commits · e / devices / android_kernel_fairphone_FP4

asoc/codecs/audio-ext-clk-up.c

+44 −2

Original line number	Diff line number	Diff line
		// SPDX-License-Identifier: GPL-2.0-only
		/* Copyright (c) 2015-2019, The Linux Foundation. All rights reserved.
		/*
		* Copyright (c) 2015-2020, The Linux Foundation. All rights reserved.
		*/

		#include <linux/kernel.h>
		@@ -9,6 +10,8 @@
		#include <linux/of.h>
		#include <linux/clk.h>
		#include <linux/clk-provider.h>
		#include <linux/gpio.h>
		#include <linux/of_gpio.h>
		#include "../../../drivers/clk/qcom/common.h"
		#include <linux/pinctrl/consumer.h>
		#include <linux/platform_device.h>
		@@ -29,6 +32,7 @@ enum {
		AUDIO_EXT_CLK_LPASS_CORE_HW_VOTE,
		AUDIO_EXT_CLK_LPASS8,
		AUDIO_EXT_CLK_LPASS_AUDIO_HW_VOTE,
		AUDIO_EXT_CLK_PM660_PMI,
		AUDIO_EXT_CLK_LPASS_MAX,
		AUDIO_EXT_CLK_EXTERNAL_PLL = AUDIO_EXT_CLK_LPASS_MAX,
		AUDIO_EXT_CLK_MAX,
		@@ -44,6 +48,7 @@ struct pinctrl_info {
		struct audio_ext_clk {
		struct pinctrl_info pnctrl_info;
		struct clk_fixed_factor fact;
		int gpio;
		};

		struct audio_ext_clk_priv {
		@@ -387,6 +392,19 @@ static struct audio_ext_clk audio_clk_array[] = {
		},
		},
		},
		{
		.gpio = -EINVAL,
		.fact = {
		.mult = 1,
		.div = 1,
		.hw.init = &(struct clk_init_data){
		.name = "audio_ext_pm660_pmi_clk",
		.parent_names = (const char *[]){ "div_clk1" },
		.num_parents = 1,
		.ops = &audio_ext_clk_dummy_ops,
		},
		},
		},
		};

		static int audio_get_pinctrl(struct platform_device *pdev)
		@@ -510,6 +528,7 @@ static int audio_ref_clk_probe(struct platform_device *pdev)
		int ret;
		struct audio_ext_clk_priv *clk_priv;
		u32 clk_freq = 0, clk_id = 0, clk_src = 0, use_pinctrl = 0;
		int clk_gpio;

		clk_priv = devm_kzalloc(&pdev->dev, sizeof(*clk_priv), GFP_KERNEL);
		if (!clk_priv)
		@@ -581,11 +600,30 @@ static int audio_ref_clk_probe(struct platform_device *pdev)
		}
		}

		clk_gpio = of_get_named_gpio(pdev->dev.of_node,
		"qcom,audio-ref-clk-gpio", 0);
		if (clk_gpio > 0) {
		ret = gpio_request(clk_gpio, "EXT_CLK");
		if (ret) {
		dev_err(&pdev->dev,
		"Request ext clk gpio failed %d, err:%d\n",
		clk_gpio, ret);
		return ret;
		}
		if (of_property_read_bool(pdev->dev.of_node,
		"qcom,node_has_rpm_clock")) {
		clk_priv->audio_clk.gpio = clk_gpio;
		}
		}

		ret = audio_get_clk_data(pdev);
		if (ret) {
		dev_err(&pdev->dev, "%s: clk_init is failed\n",
		__func__);
		if (use_pinctrl)
		audio_put_pinctrl(pdev);
		if (clk_priv->audio_clk.gpio > 0)
		gpio_free(clk_priv->audio_clk.gpio);
		return ret;
		}
		return 0;
		@@ -593,7 +631,11 @@ static int audio_ref_clk_probe(struct platform_device *pdev)

		static int audio_ref_clk_remove(struct platform_device *pdev)
		{
		struct audio_ext_clk_priv *clk_priv = platform_get_drvdata(pdev);

		audio_put_pinctrl(pdev);
		if (clk_priv->audio_clk.gpio > 0)
		gpio_free(clk_priv->audio_clk.gpio);

		return 0;
		}