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From: Daniel Schwierzeck <daniel.schwierzeck@googlemail.com>
Date: Thu, 3 Mar 2011 20:42:26 +0000 (+0100)
Subject: MIPS: lantiq: Add device register helper for SPI controller and devices
X-Git-Url: http://nbd.name/gitweb.cgi?p=lantiq.git;a=commitdiff_plain;h=b35b07062b718ece9b9cb7b23b12d83a087eafb0;hp=653c95b8b9066c9c6ac08bd64d0ceee439e9fd90
MIPS: lantiq: Add device register helper for SPI controller and devices
Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@googlemail.com>
---
--- a/arch/mips/lantiq/xway/devices.h
+++ b/arch/mips/lantiq/xway/devices.h
@@ -11,10 +11,13 @@
#include "../devices.h"
#include <linux/phy.h>
+#include <linux/spi/spi.h>
extern void ltq_register_gpio(void);
extern void ltq_register_gpio_stp(void);
extern void ltq_register_ase_asc(void);
extern void ltq_register_etop(struct ltq_eth_data *eth);
+extern void ltq_register_spi(struct ltq_spi_platform_data *pdata,
+ struct spi_board_info const *info, unsigned n);
#endif
--- a/arch/mips/lantiq/xway/devices.c
+++ b/arch/mips/lantiq/xway/devices.c
@@ -21,6 +21,7 @@
#include <linux/io.h>
#include <linux/gpio.h>
#include <linux/leds.h>
+#include <linux/spi/spi.h>
#include <asm/bootinfo.h>
#include <asm/irq.h>
@@ -119,3 +120,41 @@ ltq_register_etop(struct ltq_eth_data *e
platform_device_register(<q_etop);
}
}
+
+static struct resource ltq_spi_resources[] = {
+ {
+ .start = LTQ_SSC_BASE_ADDR,
+ .end = LTQ_SSC_BASE_ADDR + LTQ_SSC_SIZE - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ IRQ_RES(spi_tx, LTQ_SSC_TIR),
+ IRQ_RES(spi_rx, LTQ_SSC_RIR),
+ IRQ_RES(spi_err, LTQ_SSC_EIR),
+};
+
+static struct resource ltq_spi_resources_ar9[] = {
+ {
+ .start = LTQ_SSC_BASE_ADDR,
+ .end = LTQ_SSC_BASE_ADDR + LTQ_SSC_SIZE - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ IRQ_RES(spi_tx, LTQ_SSC_TIR_AR9),
+ IRQ_RES(spi_rx, LTQ_SSC_RIR_AR9),
+ IRQ_RES(spi_err, LTQ_SSC_EIR),
+};
+
+static struct platform_device ltq_spi = {
+ .name = "ltq-spi",
+ .resource = ltq_spi_resources,
+ .num_resources = ARRAY_SIZE(ltq_spi_resources),
+};
+
+void __init ltq_register_spi(struct ltq_spi_platform_data *pdata,
+ struct spi_board_info const *info, unsigned n)
+{
+ if(ltq_is_ar9())
+ ltq_spi.resource = ltq_spi_resources_ar9;
+ spi_register_board_info(info, n);
+ ltq_spi.dev.platform_data = pdata;
+ platform_device_register(<q_spi);
+}
--- a/arch/mips/include/asm/mach-lantiq/xway/lantiq_irq.h
+++ b/arch/mips/include/asm/mach-lantiq/xway/lantiq_irq.h
@@ -27,6 +27,8 @@
#define LTQ_SSC_TIR (INT_NUM_IM0_IRL0 + 15)
#define LTQ_SSC_RIR (INT_NUM_IM0_IRL0 + 14)
+#define LTQ_SSC_TIR_AR9 (INT_NUM_IM0_IRL0 + 14)
+#define LTQ_SSC_RIR_AR9 (INT_NUM_IM0_IRL0 + 15)
#define LTQ_SSC_EIR (INT_NUM_IM0_IRL0 + 16)
#define LTQ_MEI_DYING_GASP_INT (INT_NUM_IM1_IRL0 + 21)
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