Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / include / linux / can / platform / cc770.h

diff --git a/kernel/include/linux/can/platform/cc770.h b/kernel/include/linux/can/platform/cc770.h
new file mode 100644 (file)
index 0000000..78b2d44
--- /dev/null
+++ b/kernel/include/linux/can/platform/cc770.h
@@ -0,0 +1,33 @@
+#ifndef _CAN_PLATFORM_CC770_H
+#define _CAN_PLATFORM_CC770_H
+
+/* CPU Interface Register (0x02) */
+#define CPUIF_CEN      0x01    /* Clock Out Enable */
+#define CPUIF_MUX      0x04    /* Multiplex */
+#define CPUIF_SLP      0x08    /* Sleep */
+#define CPUIF_PWD      0x10    /* Power Down Mode */
+#define CPUIF_DMC      0x20    /* Divide Memory Clock */
+#define CPUIF_DSC      0x40    /* Divide System Clock */
+#define CPUIF_RST      0x80    /* Hardware Reset Status */
+
+/* Clock Out Register (0x1f) */
+#define CLKOUT_CD_MASK  0x0f   /* Clock Divider mask */
+#define CLKOUT_SL_MASK 0x30    /* Slew Rate mask */
+#define CLKOUT_SL_SHIFT        4
+
+/* Bus Configuration Register (0x2f) */
+#define BUSCFG_DR0     0x01    /* Disconnect RX0 Input / Select RX input */
+#define BUSCFG_DR1     0x02    /* Disconnect RX1 Input / Silent mode */
+#define BUSCFG_DT1     0x08    /* Disconnect TX1 Output */
+#define BUSCFG_POL     0x20    /* Polarity dominant or recessive */
+#define BUSCFG_CBY     0x40    /* Input Comparator Bypass */
+
+struct cc770_platform_data {
+       u32 osc_freq;   /* CAN bus oscillator frequency in Hz */
+
+       u8 cir;         /* CPU Interface Register */
+       u8 cor;         /* Clock Out Register */
+       u8 bcr;         /* Bus Configuration Register */
+};
+
+#endif /* !_CAN_PLATFORM_CC770_H */