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@ -1,4 +1,4 @@ |
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From 34e75141dfd8edae48030b61741c294fd0f952b1 Mon Sep 17 00:00:00 2001
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From 11bc6d97096ab89da31f628c89b19ff37dfdd526 Mon Sep 17 00:00:00 2001
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From: Lars-Peter Clausen <lars@metafoo.de>
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Date: Thu, 15 Jul 2010 20:06:04 +0000
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Subject: [PATCH] MMC: Add support for the controller on JZ4740 SoCs.
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@ -16,11 +16,14 @@ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> |
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arch/mips/include/asm/mach-jz4740/jz4740_mmc.h | 15 +
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drivers/mmc/host/Kconfig | 9 +
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drivers/mmc/host/Makefile | 1 +
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drivers/mmc/host/jz4740_mmc.c | 1033 ++++++++++++++++++++++++
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4 files changed, 1058 insertions(+), 0 deletions(-)
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drivers/mmc/host/jz4740_mmc.c | 1029 ++++++++++++++++++++++++
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4 files changed, 1054 insertions(+), 0 deletions(-)
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create mode 100644 arch/mips/include/asm/mach-jz4740/jz4740_mmc.h
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create mode 100644 drivers/mmc/host/jz4740_mmc.c
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diff --git a/arch/mips/include/asm/mach-jz4740/jz4740_mmc.h b/arch/mips/include/asm/mach-jz4740/jz4740_mmc.h
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new file mode 100644
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index 0000000..8543f43
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--- /dev/null
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+++ b/arch/mips/include/asm/mach-jz4740/jz4740_mmc.h
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@@ -0,0 +1,15 @@
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@ -39,9 +42,11 @@ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> |
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+};
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+
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+#endif
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diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig
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index f06d06e..d25e22c 100644
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--- a/drivers/mmc/host/Kconfig
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+++ b/drivers/mmc/host/Kconfig
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@@ -457,3 +457,12 @@ config MMC_SH_MMCIF
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@@ -432,3 +432,12 @@ config MMC_SH_MMCIF
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This selects the MMC Host Interface controler (MMCIF).
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This driver supports MMCIF in sh7724/sh7757/sh7372.
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@ -54,19 +59,24 @@ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> |
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+ SoCs.
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+ If you have a board based on such a SoC and with a SD/MMC slot,
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+ say Y or M here.
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diff --git a/drivers/mmc/host/Makefile b/drivers/mmc/host/Makefile
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index e30c2ee..f4e53c9 100644
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--- a/drivers/mmc/host/Makefile
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+++ b/drivers/mmc/host/Makefile
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@@ -37,6 +37,7 @@ obj-$(CONFIG_MMC_VIA_SDMMC) += via-sdmmc
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obj-$(CONFIG_GPIOMMC) += gpiommc.o
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@@ -36,6 +36,7 @@ obj-$(CONFIG_MMC_CB710) += cb710-mmc.o
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obj-$(CONFIG_MMC_VIA_SDMMC) += via-sdmmc.o
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obj-$(CONFIG_SDH_BFIN) += bfin_sdh.o
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obj-$(CONFIG_MMC_SH_MMCIF) += sh_mmcif.o
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+obj-$(CONFIG_MMC_JZ4740) += jz4740_mmc.o
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obj-$(CONFIG_MMC_SDHCI_OF) += sdhci-of.o
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sdhci-of-y := sdhci-of-core.o
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diff --git a/drivers/mmc/host/jz4740_mmc.c b/drivers/mmc/host/jz4740_mmc.c
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new file mode 100644
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index 0000000..ad4f987
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--- /dev/null
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+++ b/drivers/mmc/host/jz4740_mmc.c
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@@ -0,0 +1,1033 @@
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@@ -0,0 +1,1029 @@
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+/*
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+ * Copyright (C) 2009-2010, Lars-Peter Clausen <lars@metafoo.de>
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+ * JZ4740 SD/MMC controller driver
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@ -830,24 +840,20 @@ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> |
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+static int __devinit jz4740_mmc_request_cd_irq(struct platform_device *pdev,
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+ struct jz4740_mmc_host *host)
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+{
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+ int ret;
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+ struct jz4740_mmc_platform_data *pdata = pdev->dev.platform_data;
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+
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+ if (gpio_is_valid(pdata->gpio_card_detect))
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+ if (!gpio_is_valid(pdata->gpio_card_detect))
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+ return 0;
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+
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+ host->card_detect_irq = gpio_to_irq(pdata->gpio_card_detect);
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+
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+ if (host->card_detect_irq < 0) {
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+ dev_warn(&pdev->dev, "Failed to get card detect irq\n");
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+ return 0;
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+ }
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+
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+ return request_irq(host->card_detect_irq, jz4740_mmc_card_detect_irq,
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+ IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
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+ "MMC card detect", host);
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+
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+
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+ return ret;
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+}
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+
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+static void jz4740_mmc_free_gpios(struct platform_device *pdev)
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@ -1100,3 +1106,6 @@ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> |
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+MODULE_DESCRIPTION("JZ4740 SD/MMC controller driver");
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+MODULE_LICENSE("GPL");
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+MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
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--
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1.5.6.5
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Lars-Peter Clausen
14 years ago