openwrt/target/linux/brcm63xx/patches-3.10/050-MIPS-BCM63XX-expose-the-HSSPI-clock.patch
Jonas Gorski f08f0cafc2 brcm63xx: update HSSPI driver with upstream submission
Update the HSSPI driver with the upstream submitted one that has a
workaround for the auto cs down issue.

Signed-off-by: Jonas Gorski <jogo@openwrt.org>

SVN-Revision: 39264
2014-01-13 12:11:45 +00:00

51 lines
1.1 KiB
Diff

From f0df10fb498c21bbb201bc81dd209ea646b5a311 Mon Sep 17 00:00:00 2001
From: Jonas Gorski <jogo@openwrt.org>
Date: Sat, 12 Nov 2011 12:19:09 +0100
Subject: [PATCH 1/5] MIPS: BCM63XX: expose the HSSPI clock
Signed-off-by: Jonas Gorski <jogo@openwrt.org>
---
arch/mips/bcm63xx/clk.c | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)
--- a/arch/mips/bcm63xx/clk.c
+++ b/arch/mips/bcm63xx/clk.c
@@ -226,6 +226,28 @@ static struct clk clk_spi = {
};
/*
+ * HSSPI clock
+ */
+static void hsspi_set(struct clk *clk, int enable)
+{
+ u32 mask;
+
+ if (BCMCPU_IS_6328())
+ mask = CKCTL_6328_HSSPI_EN;
+ else if (BCMCPU_IS_6362())
+ mask = CKCTL_6362_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)
@@ -334,6 +356,8 @@ 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"))