summaryrefslogtreecommitdiff
path: root/arch/arm/boot/dts/st-pincfg.h
diff options
context:
space:
mode:
authorSrinivas Kandagatla <srinivas.kandagatla@st.com>2013-06-25 15:15:10 +0400
committerOlof Johansson <olof@lixom.net>2013-06-26 00:26:47 +0400
commit65ebcc1158891c8c0abef726d59a7840454ad25d (patch)
tree9907cd1af2d7f679f2b6a5a1192b2ff5df7f11c9 /arch/arm/boot/dts/st-pincfg.h
parent317ddd256b9c24b0d78fa8018f80f1e495481a10 (diff)
downloadlinux-65ebcc1158891c8c0abef726d59a7840454ad25d.tar.xz
ARM: sti: Add STiH415 SOC support
The STiH415 is the next generation of HD, AVC set-top box processors for satellite, cable, terrestrial and IP-STB markets. It is an ARM Cortex-A9 1.0 GHz, dual-core CPU. Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@st.com> CC: Stephen Gallimore <stephen.gallimore@st.com> CC: Stuart Menefy <stuart.menefy@st.com> CC: Arnd Bergmann <arnd@arndb.de> CC: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@st.com> Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'arch/arm/boot/dts/st-pincfg.h')
-rw-r--r--arch/arm/boot/dts/st-pincfg.h71
1 files changed, 71 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/st-pincfg.h b/arch/arm/boot/dts/st-pincfg.h
new file mode 100644
index 000000000000..8c45d85ac13e
--- /dev/null
+++ b/arch/arm/boot/dts/st-pincfg.h
@@ -0,0 +1,71 @@
+#ifndef _ST_PINCFG_H_
+#define _ST_PINCFG_H_
+
+/* Alternate functions */
+#define ALT1 1
+#define ALT2 2
+#define ALT3 3
+#define ALT4 4
+#define ALT5 5
+#define ALT6 6
+#define ALT7 7
+
+/* Output enable */
+#define OE (1 << 27)
+/* Pull Up */
+#define PU (1 << 26)
+/* Open Drain */
+#define OD (1 << 26)
+#define RT (1 << 23)
+#define INVERTCLK (1 << 22)
+#define CLKNOTDATA (1 << 21)
+#define DOUBLE_EDGE (1 << 20)
+#define CLK_A (0 << 18)
+#define CLK_B (1 << 18)
+#define CLK_C (2 << 18)
+#define CLK_D (3 << 18)
+
+/* User-frendly defines for Pin Direction */
+ /* oe = 0, pu = 0, od = 0 */
+#define IN (0)
+ /* oe = 0, pu = 1, od = 0 */
+#define IN_PU (PU)
+ /* oe = 1, pu = 0, od = 0 */
+#define OUT (OE)
+ /* oe = 1, pu = 0, od = 1 */
+#define BIDIR (OE | OD)
+ /* oe = 1, pu = 1, od = 1 */
+#define BIDIR_PU (OE | PU | OD)
+
+/* RETIME_TYPE */
+/*
+ * B Mode
+ * Bypass retime with optional delay parameter
+ */
+#define BYPASS (0)
+/*
+ * R0, R1, R0D, R1D modes
+ * single-edge data non inverted clock, retime data with clk
+ */
+#define SE_NICLK_IO (RT)
+/*
+ * RIV0, RIV1, RIV0D, RIV1D modes
+ * single-edge data inverted clock, retime data with clk
+ */
+#define SE_ICLK_IO (RT | INVERTCLK)
+/*
+ * R0E, R1E, R0ED, R1ED modes
+ * double-edge data, retime data with clk
+ */
+#define DE_IO (RT | DOUBLE_EDGE)
+/*
+ * CIV0, CIV1 modes with inverted clock
+ * Retiming the clk pins will park clock & reduce the noise within the core.
+ */
+#define ICLK (RT | CLKNOTDATA | INVERTCLK)
+/*
+ * CLK0, CLK1 modes with non-inverted clock
+ * Retiming the clk pins will park clock & reduce the noise within the core.
+ */
+#define NICLK (RT | CLKNOTDATA)
+#endif /* _ST_PINCFG_H_ */