---

yaml
---
r: 326728
b: refs/heads/master
c: 44ffb78
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 2c7c2c1d01a2559d452c0f0aa5e6f6ca2643e6b1
+refs/heads/master: 44ffb78fe03e1302dacbc681027ca611f7fcf4c2

trunk/arch/arm/mach-mxs/mach-mxs.c

@@ -12,6 +12,7 @@
 
 #include <linux/clk.h>
 #include <linux/clkdev.h>
+#include <linux/can/platform/flexcan.h>
 #include <linux/delay.h>
 #include <linux/err.h>
 #include <linux/gpio.h>
@@ -103,9 +104,40 @@ static struct fb_videomode apx4devkit_video_modes[] = {
 
 static struct mxsfb_platform_data mxsfb_pdata __initdata;
 
+/*
+ * MX28EVK_FLEXCAN_SWITCH is shared between both flexcan controllers
+ */
+#define MX28EVK_FLEXCAN_SWITCH	MXS_GPIO_NR(2, 13)
+
+static int flexcan0_en, flexcan1_en;
+
+static void mx28evk_flexcan_switch(void)
+{
+	if (flexcan0_en || flexcan1_en)
+		gpio_set_value(MX28EVK_FLEXCAN_SWITCH, 1);
+	else
+		gpio_set_value(MX28EVK_FLEXCAN_SWITCH, 0);
+}
+
+static void mx28evk_flexcan0_switch(int enable)
+{
+	flexcan0_en = enable;
+	mx28evk_flexcan_switch();
+}
+
+static void mx28evk_flexcan1_switch(int enable)
+{
+	flexcan1_en = enable;
+	mx28evk_flexcan_switch();
+}
+
+static struct flexcan_platform_data flexcan_pdata[2];
+
 static struct of_dev_auxdata mxs_auxdata_lookup[] __initdata = {
 	OF_DEV_AUXDATA("fsl,imx23-lcdif", 0x80030000, NULL, &mxsfb_pdata),
 	OF_DEV_AUXDATA("fsl,imx28-lcdif", 0x80030000, NULL, &mxsfb_pdata),
+	OF_DEV_AUXDATA("fsl,imx28-flexcan", 0x80032000, NULL, &flexcan_pdata[0]),
+	OF_DEV_AUXDATA("fsl,imx28-flexcan", 0x80034000, NULL, &flexcan_pdata[1]),
 	{ /* sentinel */ }
 };
 
@@ -245,6 +277,15 @@ static void __init imx28_evk_init(void)
 	mxs_saif_clkmux_select(MXS_DIGCTL_SAIF_CLKMUX_EXTMSTR0);
 }
 
+static void __init imx28_evk_post_init(void)
+{
+	if (!gpio_request_one(MX28EVK_FLEXCAN_SWITCH, GPIOF_DIR_OUT,
+			      "flexcan-switch")) {
+		flexcan_pdata[0].transceiver_switch = mx28evk_flexcan0_switch;
+		flexcan_pdata[1].transceiver_switch = mx28evk_flexcan1_switch;
+	}
+}
+
 static void __init m28evk_init(void)
 {
 	enable_clk_enet_out();
@@ -366,6 +407,9 @@ static void __init mxs_machine_init(void)
 
 	if (of_machine_is_compatible("karo,tx28"))
 		tx28_post_init();
+
+	if (of_machine_is_compatible("fsl,imx28-evk"))
+		imx28_evk_post_init();
 }
 
 static const char *imx23_dt_compat[] __initdata = {