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authorIngo Molnar <mingo@kernel.org>2012-05-30 12:59:04 +0400
committerIngo Molnar <mingo@kernel.org>2012-05-30 12:59:04 +0400
commit063e04776172f93b16a5eefd5661a340c1126513 (patch)
tree19cb1623631c8cc5dcf0d91f4731feec7cbefa04 /arch/arm/mach-s3c24xx/setup-spi.c
parent59cd358a7a5b2f6b61faa01dae6cfda3830ac62a (diff)
parent731a7378b81c2f5fa88ca1ae20b83d548d5613dc (diff)
downloadlinux-063e04776172f93b16a5eefd5661a340c1126513.tar.xz
Merge branch 'linus' into perf/urgent
Merge back Linus's latest branch so that we pick up the uprobes changes. ( I tested this branch locally and while it's one from the middle of the merge window it's a good one to base further work off. ) Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/arm/mach-s3c24xx/setup-spi.c')
-rw-r--r--arch/arm/mach-s3c24xx/setup-spi.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c24xx/setup-spi.c b/arch/arm/mach-s3c24xx/setup-spi.c
new file mode 100644
index 000000000000..5712c85f39b1
--- /dev/null
+++ b/arch/arm/mach-s3c24xx/setup-spi.c
@@ -0,0 +1,39 @@
+/*
+ * HS-SPI device setup for S3C2443/S3C2416
+ *
+ * Copyright (C) 2011 Samsung Electronics Ltd.
+ * http://www.samsung.com/
+ *
+ * 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/gpio.h>
+#include <linux/platform_device.h>
+
+#include <plat/gpio-cfg.h>
+#include <plat/s3c64xx-spi.h>
+
+#include <mach/hardware.h>
+#include <mach/regs-gpio.h>
+
+#ifdef CONFIG_S3C64XX_DEV_SPI0
+struct s3c64xx_spi_info s3c64xx_spi0_pdata __initdata = {
+ .fifo_lvl_mask = 0x7f,
+ .rx_lvl_offset = 13,
+ .tx_st_done = 21,
+ .high_speed = 1,
+};
+
+int s3c64xx_spi0_cfg_gpio(struct platform_device *pdev)
+{
+ /* enable hsspi bit in misccr */
+ s3c2410_modify_misccr(S3C2416_MISCCR_HSSPI_EN2, 1);
+
+ s3c_gpio_cfgall_range(S3C2410_GPE(11), 3,
+ S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP);
+
+ return 0;
+}
+#endif