From 10d80feaba3fb23dc389c053ffd0c37648a604e7 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Tue, 19 Jan 2010 20:09:28 +0900
Subject: [PATCH] --- yaml --- r: 181123 b: refs/heads/master c:
 dea3cf1c3935047a5b0d21b21d26718e09135f97 h: refs/heads/master i:   181121:
 f3f4b10590e05239117b632a84c1e406d4849262   181119:
 e118208a5e4c64dcbcb83c4e3dcb0206da95d0e1 v: v3

---
 [refs]                               |  2 +-
 trunk/arch/sh/boards/board-urquell.c | 25 ++++++++++++++++++++++++-
 2 files changed, 25 insertions(+), 2 deletions(-)

diff --git a/[refs] b/[refs]
index a7b406e35a99..db790b483419 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: c8098218271d19e7123d8b9137b9a4b87e5ffec0
+refs/heads/master: dea3cf1c3935047a5b0d21b21d26718e09135f97
diff --git a/trunk/arch/sh/boards/board-urquell.c b/trunk/arch/sh/boards/board-urquell.c
index 268f09e46568..8aeac64810dc 100644
--- a/trunk/arch/sh/boards/board-urquell.c
+++ b/trunk/arch/sh/boards/board-urquell.c
@@ -2,7 +2,7 @@
  * Renesas Technology Corp. SH7786 Urquell Support.
  *
  * Copyright (C) 2008  Kuninori Morimoto <morimoto.kuninori@renesas.com>
- * Copyright (C) 2009  Paul Mundt
+ * Copyright (C) 2009, 2010  Paul Mundt
  *
  * Based on board-sh7785lcr.c
  * Copyright (C) 2008  Yoshihiro Shimoda
@@ -19,6 +19,7 @@
 #include <linux/delay.h>
 #include <linux/gpio.h>
 #include <linux/irq.h>
+#include <linux/clk.h>
 #include <mach/urquell.h>
 #include <cpu/sh7786.h>
 #include <asm/heartbeat.h>
@@ -175,6 +176,27 @@ static int urquell_mode_pins(void)
 	return __raw_readw(UBOARDREG(MDSWMR));
 }
 
+static int urquell_clk_init(void)
+{
+	struct clk *clk;
+	int ret;
+
+	/*
+	 * Only handle the EXTAL case, anyone interfacing a crystal
+	 * resonator will need to provide their own input clock.
+	 */
+	if (test_mode_pin(MODE_PIN9))
+		return -EINVAL;
+
+	clk = clk_get(NULL, "extal");
+	if (!clk || IS_ERR(clk))
+		return PTR_ERR(clk);
+	ret = clk_set_rate(clk, 33333333);
+	clk_put(clk);
+
+	return ret;
+}
+
 /* Initialize the board */
 static void __init urquell_setup(char **cmdline_p)
 {
@@ -191,4 +213,5 @@ static struct sh_machine_vector mv_urquell __initmv = {
 	.mv_setup	= urquell_setup,
 	.mv_init_irq	= urquell_init_irq,
 	.mv_mode_pins	= urquell_mode_pins,
+	.mv_clk_init	= urquell_clk_init,
 };