diff options
| author | Georgi Djakov <gdjako@codeaurora.org> | 2014-07-31 16:40:32 +0300 |
|---|---|---|
| committer | Subhash Jadavani <subhashj@codeaurora.org> | 2016-05-19 18:35:48 -0700 |
| commit | d51a3603b4c53412002b356f6c7f3d9363229704 (patch) | |
| tree | c7578493b30edb1538b0ec7fb22581a2c6002c70 /drivers | |
| parent | 7cc9ec9f2a3a92def752ed31253fa0b89484b39f (diff) | |
mmc: sdhci-msm: adapt to allow drop-in use in place of downstream driver
In order for this driver to function as a drop-in replacement for the
msm-3.10 driver:
- Allow selectability on ARCH_MSM
- Rename clock names to include _clk prefix
- Change supported compatible string
Change-Id: I20bc683512ebdd22fcd7845c7e43dd645a2f146f
Signed-off-by: Georgi Djakov <gdjako@codeaurora.org>
Signed-off-by: Josh Cartwright <joshc@codeaurora.org>
[venkatg@codeaurora.org: fix kconfig options conflict]
Signed-off-by: Venkat Gopalakrishnan <venkatg@codeaurora.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mmc/host/Kconfig | 2 | ||||
| -rw-r--r-- | drivers/mmc/host/sdhci-msm.c | 16 |
2 files changed, 13 insertions, 5 deletions
diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig index 1dee533634c9..c27e80f79fc2 100644 --- a/drivers/mmc/host/Kconfig +++ b/drivers/mmc/host/Kconfig @@ -406,7 +406,7 @@ config MMC_ATMELMCI config MMC_SDHCI_MSM tristate "Qualcomm SDHCI Controller Support" - depends on ARCH_QCOM || (ARM && COMPILE_TEST) + depends on ARCH_QCOM || ARCH_MSM || (ARM && COMPILE_TEST) depends on MMC_SDHCI_PLTFM help This selects the Secure Digital Host Controller Interface (SDHCI) diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c index 4695bee203ea..f6c6bd303050 100644 --- a/drivers/mmc/host/sdhci-msm.c +++ b/drivers/mmc/host/sdhci-msm.c @@ -31,6 +31,8 @@ #define HC_MODE_EN 0x1 #define CORE_POWER 0x0 #define CORE_SW_RST BIT(7) +#define CORE_HC_SELECT_IN_EN (1 << 18) +#define CORE_HC_SELECT_IN_MASK (7 << 19) #define MAX_PHASES 16 #define CORE_DLL_LOCK BIT(7) @@ -412,7 +414,7 @@ retry: } static const struct of_device_id sdhci_msm_dt_match[] = { - { .compatible = "qcom,sdhci-msm-v4" }, + { .compatible = "qcom,sdhci-msm" }, {}, }; @@ -458,7 +460,7 @@ static int sdhci_msm_probe(struct platform_device *pdev) sdhci_get_of_property(pdev); /* Setup SDCC bus voter clock. */ - msm_host->bus_clk = devm_clk_get(&pdev->dev, "bus"); + msm_host->bus_clk = devm_clk_get(&pdev->dev, "bus_clk"); if (!IS_ERR(msm_host->bus_clk)) { /* Vote for max. clk rate for max. performance */ ret = clk_set_rate(msm_host->bus_clk, INT_MAX); @@ -470,7 +472,7 @@ static int sdhci_msm_probe(struct platform_device *pdev) } /* Setup main peripheral bus clock */ - msm_host->pclk = devm_clk_get(&pdev->dev, "iface"); + msm_host->pclk = devm_clk_get(&pdev->dev, "iface_clk"); if (IS_ERR(msm_host->pclk)) { ret = PTR_ERR(msm_host->pclk); dev_err(&pdev->dev, "Perpheral clk setup failed (%d)\n", ret); @@ -482,7 +484,7 @@ static int sdhci_msm_probe(struct platform_device *pdev) goto bus_clk_disable; /* Setup SDC MMC clock */ - msm_host->clk = devm_clk_get(&pdev->dev, "core"); + msm_host->clk = devm_clk_get(&pdev->dev, "core_clk"); if (IS_ERR(msm_host->clk)) { ret = PTR_ERR(msm_host->clk); dev_err(&pdev->dev, "SDC MMC clk setup failed (%d)\n", ret); @@ -507,6 +509,12 @@ static int sdhci_msm_probe(struct platform_device *pdev) goto clk_disable; } + /* Disable mode selection via the vendor specific register */ + writel_relaxed((readl_relaxed(host->ioaddr + CORE_VENDOR_SPEC) + & ~CORE_HC_SELECT_IN_EN + & ~CORE_HC_SELECT_IN_MASK), + host->ioaddr + CORE_VENDOR_SPEC); + /* Reset the core and Enable SDHC mode */ writel_relaxed(readl_relaxed(msm_host->core_mem + CORE_POWER) | CORE_SW_RST, msm_host->core_mem + CORE_POWER); |