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			100 lines
		
	
	
	
		
			3 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
			
		
		
	
	
			100 lines
		
	
	
	
		
			3 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
| From 813f2b5ad002e691b92154037f154b4444eedd54 Mon Sep 17 00:00:00 2001
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| From: Robert Marko <robimarko@gmail.com>
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| Date: Sat, 31 Dec 2022 13:03:41 +0100
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| Subject: [PATCH] cpufreq: qcom-nvmem: add support for IPQ8074
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| 
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| IPQ8074 comes in 2 families:
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| * IPQ8070A/IPQ8071A (Acorn) up to 1.4GHz
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| * IPQ8072A/IPQ8074A/IPQ8076A/IPQ8078A (Hawkeye) up to 2.2GHz
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| 
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| So, in order to be able to share one OPP table lets add support for IPQ8074
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| family based of SMEM SoC ID-s as speedbin fuse is always 0 on IPQ8074.
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| 
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| IPQ8074 compatible is blacklisted from DT platdev as the cpufreq device
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| will get created by NVMEM CPUFreq driver.
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| 
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| Signed-off-by: Robert Marko <robimarko@gmail.com>
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| ---
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|  drivers/cpufreq/cpufreq-dt-platdev.c |  1 +
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|  drivers/cpufreq/qcom-cpufreq-nvmem.c | 39 ++++++++++++++++++++++++++++
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|  2 files changed, 40 insertions(+)
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| 
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| --- a/drivers/cpufreq/cpufreq-dt-platdev.c
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| +++ b/drivers/cpufreq/cpufreq-dt-platdev.c
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| @@ -159,6 +159,7 @@ static const struct of_device_id blockli
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|  	{ .compatible = "ti,omap3", },
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|  
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|  	{ .compatible = "qcom,ipq8064", },
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| +	{ .compatible = "qcom,ipq8074", },
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|  	{ .compatible = "qcom,apq8064", },
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|  	{ .compatible = "qcom,msm8974", },
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|  	{ .compatible = "qcom,msm8960", },
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| --- a/drivers/cpufreq/qcom-cpufreq-nvmem.c
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| +++ b/drivers/cpufreq/qcom-cpufreq-nvmem.c
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| @@ -32,6 +32,9 @@
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|  
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|  #include <dt-bindings/arm/qcom,ids.h>
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|  
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| +#define IPQ8074_HAWKEYE_VERSION		BIT(0)
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| +#define IPQ8074_ACORN_VERSION		BIT(1)
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| +
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|  struct qcom_cpufreq_drv;
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|  
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|  struct qcom_cpufreq_match_data {
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| @@ -218,6 +221,37 @@ len_error:
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|  	return ret;
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|  }
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|  
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| +static int qcom_cpufreq_ipq8074_name_version(struct device *cpu_dev,
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| +					     struct nvmem_cell *speedbin_nvmem,
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| +					     char **pvs_name,
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| +					     struct qcom_cpufreq_drv *drv)
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| +{
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| +	int msm_id;
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| +	*pvs_name = NULL;
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| +
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| +	msm_id = qcom_cpufreq_get_msm_id();
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| +	if (msm_id < 0)
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| +		return msm_id;
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| +
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| +	switch (msm_id) {
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| +	case QCOM_ID_IPQ8070A:
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| +	case QCOM_ID_IPQ8071A:
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| +		drv->versions = IPQ8074_ACORN_VERSION;
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| +		break;
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| +	case QCOM_ID_IPQ8072A:
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| +	case QCOM_ID_IPQ8074A:
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| +	case QCOM_ID_IPQ8076A:
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| +	case QCOM_ID_IPQ8078A:
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| +		drv->versions = IPQ8074_HAWKEYE_VERSION;
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| +		break;
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| +	default:
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| +		BUG();
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| +		break;
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| +	}
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| +
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| +	return 0;
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| +}
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| +
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|  static const struct qcom_cpufreq_match_data match_data_kryo = {
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|  	.get_version = qcom_cpufreq_kryo_name_version,
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|  };
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| @@ -232,6 +266,10 @@ static const struct qcom_cpufreq_match_d
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|  	.genpd_names = qcs404_genpd_names,
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|  };
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|  
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| +static const struct qcom_cpufreq_match_data match_data_ipq8074 = {
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| +	.get_version = qcom_cpufreq_ipq8074_name_version,
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| +};
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| +
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|  static int qcom_cpufreq_probe(struct platform_device *pdev)
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|  {
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|  	struct qcom_cpufreq_drv *drv;
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| @@ -431,6 +469,7 @@ static const struct of_device_id qcom_cp
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|  	{ .compatible = "qcom,msm8996", .data = &match_data_kryo },
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|  	{ .compatible = "qcom,qcs404", .data = &match_data_qcs404 },
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|  	{ .compatible = "qcom,ipq8064", .data = &match_data_krait },
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| +	{ .compatible = "qcom,ipq8074", .data = &match_data_ipq8074 },
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|  	{ .compatible = "qcom,apq8064", .data = &match_data_krait },
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|  	{ .compatible = "qcom,msm8974", .data = &match_data_krait },
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|  	{ .compatible = "qcom,msm8960", .data = &match_data_krait },
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