From f5d80d8d349aede41e9ef64225cb4fc1eb416773 Mon Sep 17 00:00:00 2001
From: juhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Thu, 17 Apr 2008 13:12:57 +0000
Subject: [package] use the spi-ks8995 driver on the WRT55AG v2 boards
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@10853 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
package/wrt55agv2-spidevs/Makefile | 53 ++++++++++
package/wrt55agv2-spidevs/src/Kconfig | 3 +
package/wrt55agv2-spidevs/src/Makefile | 1 +
package/wrt55agv2-spidevs/src/wrt55agv2_spidevs.c | 113 ++++++++++++++++++++++
4 files changed, 170 insertions(+)
create mode 100644 package/wrt55agv2-spidevs/Makefile
create mode 100644 package/wrt55agv2-spidevs/src/Kconfig
create mode 100644 package/wrt55agv2-spidevs/src/Makefile
create mode 100644 package/wrt55agv2-spidevs/src/wrt55agv2_spidevs.c
(limited to 'package/wrt55agv2-spidevs')
diff --git a/package/wrt55agv2-spidevs/Makefile b/package/wrt55agv2-spidevs/Makefile
new file mode 100644
index 000000000..fa9b1c07a
--- /dev/null
+++ b/package/wrt55agv2-spidevs/Makefile
@@ -0,0 +1,53 @@
+#
+# Copyright (C) 2008 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+include $(TOPDIR)/rules.mk
+include $(INCLUDE_DIR)/kernel.mk
+
+PKG_NAME:=wrt55agv2-spidevs
+PKG_RELEASE:=1
+
+include $(INCLUDE_DIR)/package.mk
+
+define KernelPackage/wrt55agv2-spidevs
+ SUBMENU:=Other modules
+ TITLE:=WRT55AG v2 SPI devices support
+ DEPENDS:=@LINUX_2_6 @TARGET_atheros +kmod-spi-gpio +kmod-spi-ks8995
+ FILES:=$(PKG_BUILD_DIR)/wrt55agv2_spidevs.$(LINUX_KMOD_SUFFIX)
+endef
+
+define KernelPackage/wrt55agv2-spidevs/description
+ Kernel module for the SPI devices on the WRT55AG v2 board.
+endef
+
+EXTRA_KCONFIG:= \
+ CONFIG_WRT55AGV2_SPIDEVS=m
+
+EXTRA_CFLAGS:= \
+ $(patsubst CONFIG_%, -DCONFIG_%=1, $(patsubst %=m,%,$(filter %=m,$(EXTRA_KCONFIG)))) \
+ $(patsubst CONFIG_%, -DCONFIG_%=1, $(patsubst %=y,%,$(filter %=y,$(EXTRA_KCONFIG)))) \
+
+MAKE_OPTS:= \
+ ARCH="$(LINUX_KARCH)" \
+ CROSS_COMPILE="$(TARGET_CROSS)" \
+ SUBDIRS="$(PKG_BUILD_DIR)" \
+ EXTRA_CFLAGS="$(EXTRA_CFLAGS)" \
+ LINUXINCLUDE="-I$(LINUX_DIR)/include -include linux/autoconf.h" \
+ $(EXTRA_KCONFIG)
+
+define Build/Prepare
+ mkdir -p $(PKG_BUILD_DIR)
+ $(CP) ./src/* $(PKG_BUILD_DIR)/
+endef
+
+define Build/Compile
+ $(MAKE) -C "$(LINUX_DIR)" \
+ $(MAKE_OPTS) \
+ modules
+endef
+
+$(eval $(call KernelPackage,wrt55agv2-spidevs))
diff --git a/package/wrt55agv2-spidevs/src/Kconfig b/package/wrt55agv2-spidevs/src/Kconfig
new file mode 100644
index 000000000..75e8242be
--- /dev/null
+++ b/package/wrt55agv2-spidevs/src/Kconfig
@@ -0,0 +1,3 @@
+config WRT55AGV2_SPIDEVS
+ tristate "SPI device support for the WRT55AG v2 board"
+ depends on SPI && MIPS_ATHEROS
diff --git a/package/wrt55agv2-spidevs/src/Makefile b/package/wrt55agv2-spidevs/src/Makefile
new file mode 100644
index 000000000..7f2ddb4e5
--- /dev/null
+++ b/package/wrt55agv2-spidevs/src/Makefile
@@ -0,0 +1 @@
+obj-${CONFIG_WRT55AGV2_SPIDEVS} += wrt55agv2_spidevs.o
\ No newline at end of file
diff --git a/package/wrt55agv2-spidevs/src/wrt55agv2_spidevs.c b/package/wrt55agv2-spidevs/src/wrt55agv2_spidevs.c
new file mode 100644
index 000000000..b1aec4f2e
--- /dev/null
+++ b/package/wrt55agv2-spidevs/src/wrt55agv2_spidevs.c
@@ -0,0 +1,113 @@
+/*
+ * SPI driver for the Linksys WRT55AG v2 board.
+ *
+ * Copyright (C) 2008 Gabor Juhos <juhosg at openwrt.org>
+ *
+ * This file was based on the mmc_over_gpio driver:
+ * Copyright 2008 Michael Buesch <mb@bu3sch.de>
+ *
+ * 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/platform_device.h>
+#include <linux/spi/spi_gpio.h>
+
+#define DRV_NAME "wrt55agv2-spidevs"
+#define DRV_DESC "SPI driver for the WRT55AG v2 board"
+#define DRV_VERSION "0.1.0"
+#define PFX DRV_NAME ": "
+
+#define GPIO_PIN_MISO 1
+#define GPIO_PIN_CS 2
+#define GPIO_PIN_CLK 3
+#define GPIO_PIN_MOSI 4
+
+static struct platform_device *spi_gpio_dev;
+
+static int __init boardinfo_setup(struct spi_board_info *bi,
+ struct spi_master *master, void *data)
+{
+
+ strlcpy(bi->modalias, "spi-ks8995", sizeof(bi->modalias));
+
+ bi->max_speed_hz = 5000000 /* Hz */;
+ bi->bus_num = master->bus_num;
+ bi->mode = SPI_MODE_0;
+
+ return 0;
+}
+
+static int __init wrt55agv2_spidevs_init(void)
+{
+ struct spi_gpio_platform_data pdata;
+ int err;
+
+ spi_gpio_dev = platform_device_alloc("spi-gpio", 0);
+ if (!spi_gpio_dev) {
+ printk(KERN_ERR PFX "no memory for spi-gpio device\n");
+ return -ENOMEM;
+ }
+
+ memset(&pdata, 0, sizeof(pdata));
+ pdata.pin_miso = GPIO_PIN_MISO;
+ pdata.pin_cs = GPIO_PIN_CS;
+ pdata.pin_clk = GPIO_PIN_CLK;
+ pdata.pin_mosi = GPIO_PIN_MOSI;
+ pdata.cs_activelow = 1;
+ pdata.no_spi_delay = 1;
+ pdata.boardinfo_setup = boardinfo_setup;
+ pdata.boardinfo_setup_data = NULL;
+
+ err = platform_device_add_data(spi_gpio_dev, &pdata, sizeof(pdata));
+ if (err)
+ goto err_free_dev;
+
+ err = platform_device_register(spi_gpio_dev);
+ if (err) {
+ printk(KERN_ERR PFX "unable to register device\n");
+ goto err_free_pdata;
+ }
+
+ return 0;
+
+err_free_pdata:
+ kfree(spi_gpio_dev->dev.platform_data);
+ spi_gpio_dev->dev.platform_data = NULL;
+
+err_free_dev:
+ platform_device_put(spi_gpio_dev);
+ return err;
+}
+
+static void __exit wrt55agv2_spidevs_cleanup(void)
+{
+ if (!spi_gpio_dev)
+ return;
+
+ platform_device_unregister(spi_gpio_dev);
+
+ kfree(spi_gpio_dev->dev.platform_data);
+ spi_gpio_dev->dev.platform_data = NULL;
+ platform_device_put(spi_gpio_dev);
+}
+
+static int __init wrt55agv2_spidevs_modinit(void)
+{
+ printk(KERN_INFO DRV_DESC " version " DRV_VERSION "\n");
+ return wrt55agv2_spidevs_init();
+}
+module_init(wrt55agv2_spidevs_modinit);
+
+static void __exit wrt55agv2_spidevs_modexit(void)
+{
+ wrt55agv2_spidevs_cleanup();
+}
+module_exit(wrt55agv2_spidevs_modexit);
+
+MODULE_DESCRIPTION(DRV_DESC);
+MODULE_VERSION(DRV_VERSION);
+MODULE_AUTHOR("Gabor Juhos <juhosg at openwrt.org>");
+MODULE_LICENSE("GPL v2");
+
--
cgit v1.2.3