From: Jacopo Mondi <jacopo+renesas@jmondi.org>
To: geert+renesas@glider.be, laurent.pinchart@ideasonboard.com,
chris.brandt@renesas.com, linus.walleij@linaro.org,
robh+dt@kernel.org, mark.rutland@arm.com, linux@armlinux.org.uk
Cc: linux-renesas-soc@vger.kernel.org, linux-gpio@vger.kernel.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH v2 3/7] arm: dts: dt-bindings: Add Renesas RZ pinctrl header
Date: Mon, 20 Mar 2017 17:14:47 +0100 [thread overview]
Message-ID: <1490026491-21742-4-git-send-email-jacopo+renesas@jmondi.org> (raw)
In-Reply-To: <1490026491-21742-1-git-send-email-jacopo+renesas@jmondi.org>
Add dt-bindings for Renesas r7s72100 pin controller header file.
Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
---
include/dt-bindings/pinctrl/r7s72100-pinctrl.h | 36 ++++++++++++++++++++++++++
1 file changed, 36 insertions(+)
create mode 100644 include/dt-bindings/pinctrl/r7s72100-pinctrl.h
diff --git a/include/dt-bindings/pinctrl/r7s72100-pinctrl.h b/include/dt-bindings/pinctrl/r7s72100-pinctrl.h
new file mode 100644
index 0000000..98852d3
--- /dev/null
+++ b/include/dt-bindings/pinctrl/r7s72100-pinctrl.h
@@ -0,0 +1,36 @@
+/*
+ * Defines macros and constants for Renesas RZ/A1 pin controller pin
+ * muxing functions.
+ */
+#ifndef __DT_BINDINGS_PINCTRL_RENESAS_RZA1_H
+#define __DT_BINDINGS_PINCTRL_RENESAS_RZA1_H
+
+#define RZA1_PINS_PER_PORT 16
+
+/* Create the pin index from it's bank and position numbers */
+#define PIN(b, p) ((b) * RZA1_PINS_PER_PORT + (p))
+
+/*
+ * Flags to apply to alternate function configuration
+ * All of the following are mutually exclusive.
+ */
+
+/*
+ * Pin is bi-directional.
+ * Alternate function that need both input/outpu functionalities shall
+ * be configured as bidirectional.
+ * Eg. SDA/SCL pins of an I2c interface.
+ */
+#define BI_DIR (1 << 3)
+
+/*
+ * Flags used to ask software drive the pin I/O direction overriding the
+ * alternate function configuration.
+ * Some alternate function requires software to force I/O direction of a pin,
+ * ovverriding the designated one.
+ * Reference to the HW manual to know when this flag shall be used.
+ */
+#define SWIO_IN (1 << 4)
+#define SWIO_OUT (1 << 5)
+
+#endif
--
2.7.4
next prev parent reply other threads:[~2017-03-20 16:51 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-20 16:14 [PATCH v2 0/7] Renesas RZ/A1 pin and gpio controller Jacopo Mondi
2017-03-20 16:14 ` [PATCH v2 1/7] pinctrl: " Jacopo Mondi
2017-03-22 10:26 ` Geert Uytterhoeven
2017-03-23 14:19 ` jacopo
2017-03-20 16:14 ` [PATCH v2 2/7] dt-bindings: pinctrl: Add RZ/A1 bindings doc Jacopo Mondi
2017-03-22 10:33 ` Geert Uytterhoeven
2017-03-22 13:20 ` Geert Uytterhoeven
2017-03-22 15:36 ` jacopo
2017-03-22 15:49 ` Geert Uytterhoeven
2017-03-23 16:02 ` jacopo
2017-03-28 9:46 ` Linus Walleij
2017-03-28 14:38 ` jacopo
2017-03-29 2:30 ` Linus Walleij
2017-03-29 7:35 ` Geert Uytterhoeven
2017-03-29 10:15 ` Linus Walleij
2017-03-29 11:20 ` Geert Uytterhoeven
2017-03-29 12:05 ` jacopo
2017-03-29 12:38 ` Chris Brandt
2017-03-29 13:10 ` Linus Walleij
2017-03-29 14:09 ` Chris Brandt
2017-03-29 13:04 ` Linus Walleij
2017-03-20 16:14 ` Jacopo Mondi [this message]
2017-03-22 10:35 ` [PATCH v2 3/7] arm: dts: dt-bindings: Add Renesas RZ pinctrl header Geert Uytterhoeven
2017-03-20 16:14 ` [PATCH v2 4/7] arm: dts: r7s72100: Add pin controller node Jacopo Mondi
2017-03-22 13:12 ` Geert Uytterhoeven
2017-03-23 16:13 ` jacopo
2017-03-20 16:14 ` [PATCH v2 5/7] arm: dts: genmai: Add SCIF2 pin group Jacopo Mondi
2017-03-22 13:13 ` Geert Uytterhoeven
2017-03-20 16:14 ` [PATCH v2 6/7] arm: dts: genmai: Add RIIC2 " Jacopo Mondi
2017-03-22 13:17 ` Geert Uytterhoeven
2017-03-20 16:14 ` [PATCH v2 7/7] arm: dts: genmai: Add user led device nodes Jacopo Mondi
2017-03-22 13:23 ` Geert Uytterhoeven
2017-03-22 18:10 ` [PATCH v2 0/7] Renesas RZ/A1 pin and gpio controller Chris Brandt
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