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[PATCH 4/5] MIPS: BCM63XX: add HSSPI platform device and register it

To: linux-mips@linux-mips.org, linux-spi@vger.kernel.org
Subject: [PATCH 4/5] MIPS: BCM63XX: add HSSPI platform device and register it
From: Jonas Gorski <jogo@openwrt.org>
Date: Sat, 30 Nov 2013 12:42:05 +0100
Cc: Ralf Baechle <ralf@linux-mips.org>, Mark Brown <broonie@kernel.org>, John Crispin <blogic@openwrt.org>, Florian Fainelli <florian@openwrt.org>, Kevin Cernekee <cernekee@gmail.com>, Maxime Bizon <mbizon@freebox.fr>
In-reply-to: <1385811726-6746-1-git-send-email-jogo@openwrt.org>
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Signed-off-by: Jonas Gorski <jogo@openwrt.org>
---
 arch/mips/bcm63xx/Makefile                         |  4 +-
 arch/mips/bcm63xx/boards/board_bcm963xx.c          |  3 ++
 arch/mips/bcm63xx/dev-hsspi.c                      | 47 ++++++++++++++++++++++
 .../include/asm/mach-bcm63xx/bcm63xx_dev_hsspi.h   |  8 ++++
 4 files changed, 60 insertions(+), 2 deletions(-)
 create mode 100644 arch/mips/bcm63xx/dev-hsspi.c
 create mode 100644 arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_hsspi.h

diff --git a/arch/mips/bcm63xx/Makefile b/arch/mips/bcm63xx/Makefile
index ac28073..9019f54 100644
--- a/arch/mips/bcm63xx/Makefile
+++ b/arch/mips/bcm63xx/Makefile
@@ -1,7 +1,7 @@
 obj-y          += clk.o cpu.o cs.o gpio.o irq.o nvram.o prom.o reset.o \
                   setup.o timer.o dev-dsp.o dev-enet.o dev-flash.o \
-                  dev-pcmcia.o dev-rng.o dev-spi.o dev-uart.o dev-wdt.o \
-                  dev-usb-usbd.o
+                  dev-pcmcia.o dev-rng.o dev-spi.o dev-hsspi.o dev-uart.o \
+                  dev-wdt.o dev-usb-usbd.o
 obj-$(CONFIG_EARLY_PRINTK)     += early_printk.o
 
 obj-y          += boards/
diff --git a/arch/mips/bcm63xx/boards/board_bcm963xx.c 
b/arch/mips/bcm63xx/boards/board_bcm963xx.c
index 5b974eb..33727e7 100644
--- a/arch/mips/bcm63xx/boards/board_bcm963xx.c
+++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c
@@ -23,6 +23,7 @@
 #include <bcm63xx_dev_enet.h>
 #include <bcm63xx_dev_dsp.h>
 #include <bcm63xx_dev_flash.h>
+#include <bcm63xx_dev_hsspi.h>
 #include <bcm63xx_dev_pcmcia.h>
 #include <bcm63xx_dev_spi.h>
 #include <bcm63xx_dev_usb_usbd.h>
@@ -915,6 +916,8 @@ int __init board_register_devices(void)
 
        bcm63xx_spi_register();
 
+       bcm63xx_hsspi_register();
+
        bcm63xx_flash_register();
 
        bcm63xx_led_data.num_leds = ARRAY_SIZE(board.leds);
diff --git a/arch/mips/bcm63xx/dev-hsspi.c b/arch/mips/bcm63xx/dev-hsspi.c
new file mode 100644
index 0000000..696abc4
--- /dev/null
+++ b/arch/mips/bcm63xx/dev-hsspi.c
@@ -0,0 +1,47 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2012 Jonas Gorski <jonas.gorski@gmail.com>
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+
+#include <bcm63xx_cpu.h>
+#include <bcm63xx_dev_hsspi.h>
+#include <bcm63xx_regs.h>
+
+static struct resource spi_resources[] = {
+       {
+               .start          = -1, /* filled at runtime */
+               .end            = -1, /* filled at runtime */
+               .flags          = IORESOURCE_MEM,
+       },
+       {
+               .start          = -1, /* filled at runtime */
+               .flags          = IORESOURCE_IRQ,
+       },
+};
+
+static struct platform_device bcm63xx_hsspi_device = {
+       .name           = "bcm63xx-hsspi",
+       .id             = 0,
+       .num_resources  = ARRAY_SIZE(spi_resources),
+       .resource       = spi_resources,
+};
+
+int __init bcm63xx_hsspi_register(void)
+{
+       if (!BCMCPU_IS_6328() && !BCMCPU_IS_6362())
+               return -ENODEV;
+
+       spi_resources[0].start = bcm63xx_regset_address(RSET_HSSPI);
+       spi_resources[0].end = spi_resources[0].start;
+       spi_resources[0].end += RSET_HSSPI_SIZE - 1;
+       spi_resources[1].start = bcm63xx_get_irq_number(IRQ_HSSPI);
+
+       return platform_device_register(&bcm63xx_hsspi_device);
+}
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_hsspi.h 
b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_hsspi.h
new file mode 100644
index 0000000..1b1acaf
--- /dev/null
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_hsspi.h
@@ -0,0 +1,8 @@
+#ifndef BCM63XX_DEV_HSSPI_H
+#define BCM63XX_DEV_HSSPI_H
+
+#include <linux/types.h>
+
+int bcm63xx_hsspi_register(void);
+
+#endif /* BCM63XX_DEV_HSSPI_H */
-- 
1.8.4.rc3

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