@@ -55,3 +55,7 @@ extern const struct mxs_saif_data mx28_saif_data[] __initconst;
mxs_add_saif(&mx28_saif_data[id], pdata)
struct platform_device *__init mx28_add_rtc_stmp3xxx(void);
+
+extern const struct mxs_mxs_spi_data mx28_mxs_spi_data[] __initconst;
+#define mx28_add_mxs_spi(id) \
+ mxs_add_mxs_spi(&mx28_mxs_spi_data[id])
@@ -30,5 +30,8 @@ config MXS_HAVE_PLATFORM_MXSFB
config MXS_HAVE_PLATFORM_MXS_SAIF
bool
+config MXS_HAVE_PLATFORM_MXS_SPI
+ bool
+
config MXS_HAVE_PLATFORM_RTC_STMP3XXX
bool
@@ -11,3 +11,4 @@ obj-y += platform-gpio-mxs.o
obj-$(CONFIG_MXS_HAVE_PLATFORM_MXSFB) += platform-mxsfb.o
obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_SAIF) += platform-mxs-saif.o
obj-$(CONFIG_MXS_HAVE_PLATFORM_RTC_STMP3XXX) += platform-rtc-stmp3xxx.o
+obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_SPI) += platform-mxs-spi.o
new file mode 100644
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2010 Pengutronix
+ * Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
+ *
+ * Copyright 2011 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License version 2 as published by the
+ * Free Software Foundation.
+ */
+
+#include <linux/compiler.h>
+#include <linux/err.h>
+#include <linux/init.h>
+
+#include <mach/mx23.h>
+#include <mach/mx28.h>
+#include <mach/devices-common.h>
+
+#define mxs_mxs_spi_data_entry_single(soc, _id, hwid) \
+ { \
+ .id = _id, \
+ .iobase = soc ## _SSP ## hwid ## _BASE_ADDR, \
+ .dma = soc ## _DMA_SSP ## hwid, \
+ .irq_err = soc ## _INT_SSP ## hwid ## _ERROR, \
+ .irq_dma = soc ## _INT_SSP ## hwid ## _DMA, \
+ }
+
+#define mxs_mxs_spi_data_entry(soc, _id, hwid) \
+ [_id] = mxs_mxs_spi_data_entry_single(soc, _id, hwid)
+
+
+#ifdef CONFIG_SOC_IMX23
+const struct mxs_mxs_spi_data mx23_mxs_spi_data[] __initconst = {
+ mxs_mxs_spi_data_entry(MX23, 0, 1),
+ mxs_mxs_spi_data_entry(MX23, 1, 2),
+};
+#endif
+
+#ifdef CONFIG_SOC_IMX28
+const struct mxs_mxs_spi_data mx28_mxs_spi_data[] __initconst = {
+ mxs_mxs_spi_data_entry(MX28, 0, 0),
+ mxs_mxs_spi_data_entry(MX28, 1, 1),
+ mxs_mxs_spi_data_entry(MX28, 2, 2),
+ mxs_mxs_spi_data_entry(MX28, 3, 3),
+};
+#endif
+
+struct platform_device *__init mxs_add_mxs_spi(
+ const struct mxs_mxs_spi_data *data)
+{
+ struct resource res[] = {
+ {
+ .start = data->iobase,
+ .end = data->iobase + SZ_8K - 1,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = data->dma,
+ .end = data->dma,
+ .flags = IORESOURCE_DMA,
+ }, {
+ .start = data->irq_err,
+ .end = data->irq_err,
+ .flags = IORESOURCE_IRQ,
+ }, {
+ .start = data->irq_dma,
+ .end = data->irq_dma,
+ .flags = IORESOURCE_IRQ,
+ },
+ };
+
+ return mxs_add_platform_device("mxs-spi", data->id,
+ res, ARRAY_SIZE(res), NULL, 0);
+}
@@ -116,3 +116,14 @@ struct mxs_saif_data {
struct platform_device *__init mxs_add_saif(
const struct mxs_saif_data *data,
const struct mxs_saif_platform_data *pdata);
+
+/* spi */
+struct mxs_mxs_spi_data {
+ int id;
+ resource_size_t iobase;
+ resource_size_t dma;
+ resource_size_t irq_err;
+ resource_size_t irq_dma;
+};
+struct platform_device *__init mxs_add_mxs_spi(
+ const struct mxs_mxs_spi_data *data);
Add SPI resources. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> --- arch/arm/mach-mxs/devices-mx28.h | 4 + arch/arm/mach-mxs/devices/Kconfig | 3 + arch/arm/mach-mxs/devices/Makefile | 1 + arch/arm/mach-mxs/devices/platform-mxs-spi.c | 74 +++++++++++++++++++++++ arch/arm/mach-mxs/include/mach/devices-common.h | 11 ++++ 5 files changed, 93 insertions(+), 0 deletions(-) create mode 100644 arch/arm/mach-mxs/devices/platform-mxs-spi.c