ramips: pinmux fixes

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@36247 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 39 insertions, 0 deletions

diff --git a/target/linux/ramips/patches-3.8/0125-MIPS-ralink-process-PCI-pinmux-group.patch b/target/linux/ramips/patches-3.8/0125-MIPS-ralink-process-PCI-pinmux-group.patch
new file mode 100644
index 000000000..08cd2428f
--- /dev/null
+++ b/target/linux/ramips/patches-3.8/0125-MIPS-ralink-process-PCI-pinmux-group.patch
@@ -0,0 +1,39 @@
+From fe26f3e7d1329fc2a5ac14808dbecb7d324d0a41 Mon Sep 17 00:00:00 2001
+From: Gabor Juhos <juhosg@openwrt.org>
+Date: Wed, 27 Mar 2013 20:56:22 +0100
+Subject: [PATCH 3/5] MIPS: ralink: process PCI pinmux group
+
+Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
+---
+ arch/mips/ralink/pinmux.c |   14 +++++++++++++-
+ 1 file changed, 13 insertions(+), 1 deletion(-)
+
+--- a/arch/mips/ralink/pinmux.c
++++ b/arch/mips/ralink/pinmux.c
+@@ -29,7 +29,7 @@ void ralink_pinmux(void)
+ 	const __be32 *wdt;
+ 	struct device_node *np;
+ 	struct property *prop;
+-	const char *uart, *pin;
++	const char *uart, *pci, *pin;
+ 	u32 mode = 0;
+ 
+ 	np = of_find_compatible_node(NULL, NULL, "ralink,rt3050-sysc");
+@@ -76,5 +76,17 @@ void ralink_pinmux(void)
+ 	if (wdt && *wdt && rt_pinmux.wdt_reset)
+ 		rt_pinmux.wdt_reset();
+ 
++	of_property_read_string(np, "ralink,pcimux", &pci);
++	if (pci) {
++		int m = ralink_mux_mask(pci, rt_pinmux.pci);
++		mode &= ~(rt_pinmux.pci_mask << rt_pinmux.pci_shift);
++		if (m) {
++			mode |= (m << rt_pinmux.pci_shift);
++			pr_debug("pinmux: registered pcimux \"%s\"\n", pci);
++		} else {
++			pr_debug("pinmux: registered pcimux \"gpio\"\n");
++		}
++	}
++
+ 	rt_sysc_w32(mode, SYSC_REG_GPIO_MODE);
+ }