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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /arch/arm/mach-pxa/pxa2xx.c
Initial import
Diffstat (limited to 'arch/arm/mach-pxa/pxa2xx.c')
-rw-r--r--arch/arm/mach-pxa/pxa2xx.c56
1 files changed, 56 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/pxa2xx.c b/arch/arm/mach-pxa/pxa2xx.c
new file mode 100644
index 000000000..447dcbb22
--- /dev/null
+++ b/arch/arm/mach-pxa/pxa2xx.c
@@ -0,0 +1,56 @@
+/*
+ * linux/arch/arm/mach-pxa/pxa2xx.c
+ *
+ * code specific to pxa2xx
+ *
+ * Copyright (C) 2008 Dmitry Baryshkov
+ *
+ * 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/module.h>
+#include <linux/kernel.h>
+#include <linux/device.h>
+#include <linux/io.h>
+
+#include <mach/hardware.h>
+#include <mach/pxa2xx-regs.h>
+#include <mach/mfp-pxa25x.h>
+#include <mach/reset.h>
+#include <linux/platform_data/irda-pxaficp.h>
+
+void pxa2xx_clear_reset_status(unsigned int mask)
+{
+ /* RESET_STATUS_* has a 1:1 mapping with RCSR */
+ RCSR = mask;
+}
+
+static unsigned long pxa2xx_mfp_fir[] = {
+ GPIO46_FICP_RXD,
+ GPIO47_FICP_TXD,
+};
+
+static unsigned long pxa2xx_mfp_sir[] = {
+ GPIO46_STUART_RXD,
+ GPIO47_STUART_TXD,
+};
+
+static unsigned long pxa2xx_mfp_off[] = {
+ GPIO46_GPIO | MFP_LPM_DRIVE_LOW,
+ GPIO47_GPIO | MFP_LPM_DRIVE_LOW,
+};
+
+void pxa2xx_transceiver_mode(struct device *dev, int mode)
+{
+ if (mode & IR_OFF) {
+ pxa2xx_mfp_config(pxa2xx_mfp_off, ARRAY_SIZE(pxa2xx_mfp_off));
+ } else if (mode & IR_SIRMODE) {
+ pxa2xx_mfp_config(pxa2xx_mfp_sir, ARRAY_SIZE(pxa2xx_mfp_sir));
+ } else if (mode & IR_FIRMODE) {
+ pxa2xx_mfp_config(pxa2xx_mfp_fir, ARRAY_SIZE(pxa2xx_mfp_fir));
+ } else
+ BUG();
+}
+EXPORT_SYMBOL_GPL(pxa2xx_transceiver_mode);