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authorAndrew Lunn <andrew@lunn.ch>2011-05-15 15:32:46 +0400
committerNicolas Pitre <nico@fluxnic.net>2011-05-16 23:09:07 +0400
commit980f9f601ad456dc5a699bf526b6bd894957bad3 (patch)
treef5e1bd57495bf3dabc17eadd4eda8a36d14637b9 /arch/arm/plat-orion
parentaac7ffa3ed121846b61347028828617c5dd1ce46 (diff)
downloadlinux-980f9f601ad456dc5a699bf526b6bd894957bad3.tar.xz
ARM: orion: Consolidate SPI initialization.
This change removes the interrupt resource. The driver does not use it. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Nicolas Pitre <nico@fluxnic.net>
Diffstat (limited to 'arch/arm/plat-orion')
-rw-r--r--arch/arm/plat-orion/common.c47
-rw-r--r--arch/arm/plat-orion/include/plat/common.h6
2 files changed, 53 insertions, 0 deletions
diff --git a/arch/arm/plat-orion/common.c b/arch/arm/plat-orion/common.c
index bcc1734c91a8..2afe79d1a273 100644
--- a/arch/arm/plat-orion/common.c
+++ b/arch/arm/plat-orion/common.c
@@ -17,6 +17,7 @@
#include <linux/mv643xx_eth.h>
#include <linux/mv643xx_i2c.h>
#include <net/dsa.h>
+#include <linux/spi/orion_spi.h>
/* Fill in the resources structure and link it into the platform
device structure. There is always a memory region, and nearly
@@ -517,3 +518,49 @@ void __init orion_i2c_1_init(unsigned long mapbase,
SZ_32 - 1, irq);
platform_device_register(&orion_i2c_1);
}
+
+/*****************************************************************************
+ * SPI
+ ****************************************************************************/
+static struct orion_spi_info orion_spi_plat_data;
+static struct resource orion_spi_resources;
+
+static struct platform_device orion_spi = {
+ .name = "orion_spi",
+ .id = 0,
+ .dev = {
+ .platform_data = &orion_spi_plat_data,
+ },
+};
+
+static struct orion_spi_info orion_spi_1_plat_data;
+static struct resource orion_spi_1_resources;
+
+static struct platform_device orion_spi_1 = {
+ .name = "orion_spi",
+ .id = 1,
+ .dev = {
+ .platform_data = &orion_spi_1_plat_data,
+ },
+};
+
+/* Note: The SPI silicon core does have interrupts. However the
+ * current Linux software driver does not use interrupts. */
+
+void __init orion_spi_init(unsigned long mapbase,
+ unsigned long tclk)
+{
+ orion_spi_plat_data.tclk = tclk;
+ fill_resources(&orion_spi, &orion_spi_resources,
+ mapbase, SZ_512 - 1, NO_IRQ);
+ platform_device_register(&orion_spi);
+}
+
+void __init orion_spi_1_init(unsigned long mapbase,
+ unsigned long tclk)
+{
+ orion_spi_1_plat_data.tclk = tclk;
+ fill_resources(&orion_spi_1, &orion_spi_1_resources,
+ mapbase, SZ_512 - 1, NO_IRQ);
+ platform_device_register(&orion_spi_1);
+}
diff --git a/arch/arm/plat-orion/include/plat/common.h b/arch/arm/plat-orion/include/plat/common.h
index d107c62d3912..e72c1466d6ce 100644
--- a/arch/arm/plat-orion/include/plat/common.h
+++ b/arch/arm/plat-orion/include/plat/common.h
@@ -73,4 +73,10 @@ void __init orion_i2c_init(unsigned long mapbase,
void __init orion_i2c_1_init(unsigned long mapbase,
unsigned long irq,
unsigned long freq_m);
+
+void __init orion_spi_init(unsigned long mapbase,
+ unsigned long tclk);
+
+void __init orion_spi_1_init(unsigned long mapbase,
+ unsigned long tclk);
#endif