mmc: sdhci_am654: Add Support for SR2.0 (09db9943) · Commits · 戴 / test

drivers/mmc/host/sdhci_am654.c

+22 −1

Original line number	Diff line number	Diff line
		@@ -11,6 +11,7 @@
		#include <linux/pm_runtime.h>
		#include <linux/property.h>
		#include <linux/regmap.h>
		#include <linux/sys_soc.h>

		#include "cqhci.h"
		#include "sdhci-pltfm.h"
		@@ -324,12 +325,17 @@ static const struct sdhci_pltfm_data sdhci_am654_pdata = {
		.quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN,
		};

		static const struct sdhci_am654_driver_data sdhci_am654_drvdata = {
		static const struct sdhci_am654_driver_data sdhci_am654_sr1_drvdata = {
		.pdata = &sdhci_am654_pdata,
		.flags = IOMUX_PRESENT \| FREQSEL_2_BIT \| STRBSEL_4_BIT \| DLL_PRESENT \|
		DLL_CALIB,
		};

		static const struct sdhci_am654_driver_data sdhci_am654_drvdata = {
		.pdata = &sdhci_am654_pdata,
		.flags = IOMUX_PRESENT \| FREQSEL_2_BIT \| STRBSEL_4_BIT \| DLL_PRESENT,
		};

		static struct sdhci_ops sdhci_j721e_8bit_ops = {
		.get_max_clock = sdhci_pltfm_clk_get_max_clock,
		.get_timeout_clock = sdhci_pltfm_clk_get_max_clock,
		@@ -376,6 +382,14 @@ static const struct sdhci_am654_driver_data sdhci_j721e_4bit_drvdata = {
		.flags = IOMUX_PRESENT,
		};

		static const struct soc_device_attribute sdhci_am654_devices[] = {
		{ .family = "AM65X",
		.revision = "SR1.0",
		.data = &sdhci_am654_sr1_drvdata
		},
		{/* sentinel */}
		};

		static void sdhci_am654_dumpregs(struct mmc_host *mmc)
		{
		sdhci_dumpregs(mmc_priv(mmc));
		@@ -587,6 +601,7 @@ static const struct of_device_id sdhci_am654_of_match[] = {
		static int sdhci_am654_probe(struct platform_device *pdev)
		{
		const struct sdhci_am654_driver_data *drvdata;
		const struct soc_device_attribute *soc;
		struct sdhci_pltfm_host *pltfm_host;
		struct sdhci_am654_data *sdhci_am654;
		const struct of_device_id *match;
		@@ -598,6 +613,12 @@ static int sdhci_am654_probe(struct platform_device *pdev)

		match = of_match_node(sdhci_am654_of_match, pdev->dev.of_node);
		drvdata = match->data;

		/* Update drvdata based on SoC revision */
		soc = soc_device_match(sdhci_am654_devices);
		if (soc && soc->data)
		drvdata = soc->data;

		host = sdhci_pltfm_init(pdev, drvdata->pdata, sizeof(*sdhci_am654));
		if (IS_ERR(host))
		return PTR_ERR(host);

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