openwrt/target/linux/brcm63xx/patches-3.3/318-MIPS-BCM63XX-expose-the-HS-SPI-clock.patch
Jonas Gorski e34018cc9e bcm63xx: add support for the HSSPI controller
Add support for the HSSPI controller found on bcm6328 and SPI attached
flash.

SVN-Revision: 31879
2012-05-27 13:22:33 +00:00

49 lines
1.0 KiB
Diff

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"))