linux-kernel - [PATCH 02/03] pinctrl: sh-pfc: r7s72100 SCIF2 macro conversion

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Date:	Wed, 27 Nov 2013 17:06:30 +0900
From:	Magnus Damm <magnus.damm@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	wsa@...-dreams.de, linus.walleij@...aro.org,
	linux-sh@...r.kernel.org, horms@...ge.net.au,
	laurent.pinchart@...asonboard.com,
	Magnus Damm <magnus.damm@...il.com>
Subject: [PATCH 02/03] pinctrl: sh-pfc: r7s72100 SCIF2 macro conversion

From: Magnus Damm <damm@...nsource.se>

Convert from rather verbose description of single pin groups
to making use of macros to describe one pin per line. The
actual bulk of the SCIF2 description is kept in the SCIF2 macro.

Compresses the description of each pin from 9 to 1 line.

Signed-off-by: Magnus Damm <damm@...nsource.se>
---

 drivers/pinctrl/sh-pfc/pfc-r7s72100.c |   64 ++++++++++++++-------------------
 1 file changed, 28 insertions(+), 36 deletions(-)

--- 0007/drivers/pinctrl/sh-pfc/pfc-r7s72100.c
+++ work/drivers/pinctrl/sh-pfc/pfc-r7s72100.c	2013-11-27 14:19:24.000000000 +0900
@@ -103,48 +103,40 @@ static struct sh_pfc_pin pinmux_pins[] =
 	_P_ALL(_P_GPIO),
 };
 
-/* - SCIF2 ------------------------------------------------------------------ */
-static const unsigned int scif2_txd_p3_0_pins[] = {
-	/* TX */
-	RZ_PORT_PIN(3, 0),
-};
-static const unsigned int scif2_txd_p3_0_mux[] = {
-	P_3_0_MARK_FN6,
-};
-static const unsigned int scif2_txd_p3_1_pins[] = {
-	/* TX */
-	RZ_PORT_PIN(3, 1),
-};
-static const unsigned int scif2_txd_p3_1_mux[] = {
-	P_3_1_MARK_FN4,
-};
-static const unsigned int scif2_rxd_p3_2_pins[] = {
-	/* RX */
-	RZ_PORT_PIN(3, 2),
-};
-static const unsigned int scif2_rxd_p3_2_mux[] = {
-	P_3_2_MARK_FN4,
-};
-static const unsigned int scif2_clk_p3_0_pins[] = {
-	/* SCK */
-	RZ_PORT_PIN(3, 0),
-};
-static const unsigned int scif2_clk_p3_0_mux[] = {
-	P_3_0_MARK_FN4,
+#define __RZ_STR(pfx, hw, bank, pin, sfx)		\
+	pfx##_##hw##_p##bank##_##pin####sfx
+
+#define RZ_PIN_AND_MUX(pfx, hw, bank, pin, fn)				\
+static const unsigned int __RZ_STR(pfx, hw, bank, pin, _pins)[] = {	\
+	RZ_PORT_PIN(bank, pin),						\
+};									\
+static const unsigned int __RZ_STR(pfx, hw, bank, pin, _mux)[] = {	\
+	P_##bank##_##pin##_MARK_FN##fn,					\
 };
 
+#define RZ_PMX_GRP(pfx, hw, bank, pin, fn) \
+	SH_PFC_PIN_GROUP(pfx##_##hw##_p##bank##_##pin),
+
+#define __RZ_GPRS(x) #x
+
+#define RZ_GRPS(pfx, hw, bank, pin, fn) \
+	__RZ_GPRS(pfx##_##hw##_p##bank##_##pin),
+
+
+#define SCIF2(fn)			\
+	fn(scif2, txd, 3, 0, 6)		\
+	fn(scif2, txd, 3, 1, 4)		\
+	fn(scif2, rxd, 3, 2, 4)		\
+	fn(scif2, clk, 3, 0, 4)
+
+SCIF2(RZ_PIN_AND_MUX)
+
 static const struct sh_pfc_pin_group pinmux_groups[] = {
-	SH_PFC_PIN_GROUP(scif2_txd_p3_0),
-	SH_PFC_PIN_GROUP(scif2_txd_p3_1),
-	SH_PFC_PIN_GROUP(scif2_rxd_p3_2),
-	SH_PFC_PIN_GROUP(scif2_clk_p3_0),
+	SCIF2(RZ_PMX_GRP)
 };
 
 static const char * const scif2_groups[] = {
-	"scif2_txd_p3_0",
-	"scif2_txd_p3_1",
-	"scif2_rxd_p3_2",
-	"scif2_clk_p3_0",
+	SCIF2(RZ_GRPS)
 };
 static const struct sh_pfc_function pinmux_functions[] = {
 	SH_PFC_FUNCTION(scif2),
--
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