openwrt/target/linux/brcm63xx/patches-3.8/306-MIPS-BCM63XX-expose-the-HS-SPI-clock.patch

From 5aeb6273a610f8aab090b3499827177eb41311ba Mon Sep 17 00:00:00 2001
From: Jonas Gorski <jonas.gorski@gmail.com>
Date: Sat, 12 Nov 2011 12:19:09 +0100
Subject: [PATCH 53/79] MIPS: BCM63XX: expose the HS SPI clock

Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
---
 arch/mips/bcm63xx/clk.c |   22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

--- a/arch/mips/bcm63xx/clk.c
+++ b/arch/mips/bcm63xx/clk.c
@@ -236,6 +236,26 @@ static struct clk clk_spi = {
 };
 
 /*
+ * SPI clock
+ */
+static void hsspi_set(struct clk *clk, int enable)
+{
+	u32 mask;
+
+	if (BCMCPU_IS_6328())
+		mask = CKCTL_6328_HSSPI_EN;
+	else
+		return;
+
+	bcm_hwclock_set(mask, enable);
+}
+
+static struct clk clk_hsspi = {
+	.set	= hsspi_set,
+};
+
+
+/*
  * XTM clock
  */
 static void xtm_set(struct clk *clk, int enable)
@@ -344,6 +364,8 @@ struct clk *clk_get(struct device *dev,
 		return &clk_usbd;
 	if (!strcmp(id, "spi"))
 		return &clk_spi;
+	if (!strcmp(id, "hsspi"))
+		return &clk_hsspi;
 	if (!strcmp(id, "xtm"))
 		return &clk_xtm;
 	if (!strcmp(id, "periph"))