[ARM] 5088/3: pxa2xx: add pxa2xx_set_spi_info to register pxa2xx-spi platform devices

Add a function to dynamically allocate and register pxa2xx-spi platform
devices, to be used by PXA2xx and PXA3xx based systems. Switch pcm027 and
lubbock to use it.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@pengutronix.de>
Acked-by: Eric Miao <eric.miao@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 18 insertions, 0 deletions

diff --git a/arch/arm/mach-pxa/devices.c b/arch/arm/mach-pxa/devices.c
index a6f2390ce662..abc161dd083a 100644
--- a/arch/arm/mach-pxa/devices.c
+++ b/arch/arm/mach-pxa/devices.c
@@ -13,6 +13,7 @@
 #include <asm/arch/mfp-pxa27x.h>
 #include <asm/arch/ohci.h>
 #include <asm/arch/pxa27x_keypad.h>
+#include <asm/arch/pxa2xx_spi.h>
 #include <asm/arch/camera.h>
 #include <asm/arch/audio.h>
 
@@ -831,3 +832,20 @@ void __init pxa3xx_set_mci3_info(struct pxamci_platform_data *info)
 }
 
 #endif /* CONFIG_PXA3xx */
+
+/* pxa2xx-spi platform-device ID equals respective SSP platform-device ID + 1.
+ * See comment in arch/arm/mach-pxa/ssp.c::ssp_probe() */
+void __init pxa2xx_set_spi_info(unsigned id, struct pxa2xx_spi_master *info)
+{
+        struct platform_device *pd;
+
+        pd = platform_device_alloc("pxa2xx-spi", id);
+        if (pd == NULL) {
+                printk(KERN_ERR "pxa2xx-spi: failed to allocate device id %d\n",
+                       id);
+                return;
+        }
+
+        pd->dev.platform_data = info;
+        platform_device_add(pd);
+}