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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 +76,20 @@ void ralink_pinmux(void)
 	if (wdt && *wdt && rt_pinmux.wdt_reset)
 		rt_pinmux.wdt_reset();
 
+	pci = NULL;
+	if (rt_pinmux.pci)
+		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);
 }