bcm63xx: add support for the HSSPI controller

Add support for the HSSPI controller found on bcm6328 and SPI attached
flash.

SVN-Revision: 31879

1 files changed, 48 insertions, 0 deletions

diff --git a/target/linux/brcm63xx/patches-3.3/318-MIPS-BCM63XX-expose-the-HS-SPI-clock.patch b/target/linux/brcm63xx/patches-3.3/318-MIPS-BCM63XX-expose-the-HS-SPI-clock.patch
new file mode 100644
index 0000000000..8a11f8266e
--- /dev/null
+++ b/target/linux/brcm63xx/patches-3.3/318-MIPS-BCM63XX-expose-the-HS-SPI-clock.patch
@@ -0,0 +1,48 @@
+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
+@@ -194,6 +194,26 @@ 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)
+@@ -286,6 +306,8 @@ struct clk *clk_get(struct device *dev,
+ 		return &clk_usbh;
+ 	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"))