ralink: add pinctrl driver

Signed-off-by: John Crispin <blogic@openwrt.org>

SVN-Revision: 38026

1 files changed, 0 insertions, 144 deletions

diff --git a/target/linux/ramips/patches-3.10/0101-MIPS-ralink-add-pinmux-driver.patch b/target/linux/ramips/patches-3.10/0101-MIPS-ralink-add-pinmux-driver.patch
deleted file mode 100644
index 3fd0ddf739..0000000000
--- a/target/linux/ramips/patches-3.10/0101-MIPS-ralink-add-pinmux-driver.patch
+++ /dev/null
@@ -1,144 +0,0 @@
-From 9a3055dad80db43aeb22b247512e18e8f06bf54c Mon Sep 17 00:00:00 2001
-From: John Crispin <blogic@openwrt.org>
-Date: Mon, 22 Apr 2013 23:11:42 +0200
-Subject: [PATCH 02/33] MIPS: ralink: add pinmux driver
-
-Add code to setup the pinmux on ralonk SoC. The SoC has a single 32 bit register
-for this functionality with simple on/off bits. Building a full featured pinctrl
-driver would be overkill.
-
-Signed-off-by: John Crispin <blogic@openwrt.org>
----
- arch/mips/ralink/Makefile |    2 +-
- arch/mips/ralink/common.h |    2 ++
- arch/mips/ralink/of.c     |    2 ++
- arch/mips/ralink/pinmux.c |   77 +++++++++++++++++++++++++++++++++++++++++++++
- 4 files changed, 82 insertions(+), 1 deletion(-)
- create mode 100644 arch/mips/ralink/pinmux.c
-
---- a/arch/mips/ralink/Makefile
-+++ b/arch/mips/ralink/Makefile
-@@ -6,7 +6,7 @@
- # Copyright (C) 2009-2011 Gabor Juhos <juhosg@openwrt.org>
- # Copyright (C) 2013 John Crispin <blogic@openwrt.org>
- 
--obj-y := prom.o of.o reset.o clk.o irq.o timer.o
-+obj-y := prom.o of.o reset.o clk.o irq.o timer.o pinmux.o
- 
- obj-$(CONFIG_CLKEVT_RT3352) += cevt-rt3352.o
- 
---- a/arch/mips/ralink/common.h
-+++ b/arch/mips/ralink/common.h
-@@ -52,4 +52,6 @@ extern void prom_soc_init(struct ralink_
- 
- __iomem void *plat_of_remap_node(const char *node);
- 
-+void ralink_pinmux(void);
-+
- #endif /* _RALINK_COMMON_H__ */
---- a/arch/mips/ralink/of.c
-+++ b/arch/mips/ralink/of.c
-@@ -113,6 +113,8 @@ static int __init plat_of_setup(void)
- 	/* make sure ithat the reset controller is setup early */
- 	ralink_rst_init();
- 
-+	ralink_pinmux();
-+
- 	return 0;
- }
- 
---- /dev/null
-+++ b/arch/mips/ralink/pinmux.c
-@@ -0,0 +1,92 @@
-+/*
-+ *  This program is free software; you can redistribute it and/or modify it
-+ *  under the terms of the GNU General Public License version 2 as published
-+ *  by the Free Software Foundation.
-+ *
-+ *  Copyright (C) 2013 John Crispin <blogic@openwrt.org>
-+ */
-+
-+#include <linux/kernel.h>
-+#include <linux/of.h>
-+
-+#include <asm/mach-ralink/ralink_regs.h>
-+
-+#include "common.h"
-+
-+#define SYSC_REG_GPIO_MODE	0x60
-+
-+static int ralink_mux_mask(const char *name, struct ralink_pinmux_grp *grps, u32* mask)
-+{
-+	for (; grps && grps->name; grps++)
-+		if (!strcmp(grps->name, name)) {
-+			*mask = grps->mask;
-+			return 0;
-+		}
-+
-+	return -1;
-+}
-+
-+void ralink_pinmux(void)
-+{
-+	const __be32 *wdt;
-+	struct device_node *np;
-+	struct property *prop;
-+	const char *uart, *pci, *pin;
-+	u32 mode = 0;
-+	int m;
-+
-+	np = of_find_compatible_node(NULL, NULL, "ralink,rt3050-sysc");
-+	if (!np)
-+		return;
-+
-+	of_property_for_each_string(np, "ralink,gpiomux", prop, pin) {
-+		if (!ralink_mux_mask(pin, rt_gpio_pinmux.mode, &m)) {
-+			mode |= m;
-+			pr_debug("pinmux: registered gpiomux \"%s\"\n", pin);
-+		} else {
-+			pr_err("pinmux: failed to load \"%s\"\n", pin);
-+		}
-+	}
-+
-+	of_property_for_each_string(np, "ralink,pinmux", prop, pin) {
-+		if (!ralink_mux_mask(pin, rt_gpio_pinmux.mode, &m)) {
-+			mode &= ~m;
-+			pr_debug("pinmux: registered pinmux \"%s\"\n", pin);
-+		} else {
-+			pr_err("pinmux: failed to load group \"%s\"\n", pin);
-+		}
-+	}
-+
-+	of_property_read_string(np, "ralink,uartmux", &uart);
-+	if (uart) {
-+		mode &= ~(rt_gpio_pinmux.uart_mask << rt_gpio_pinmux.uart_shift);
-+		if (ralink_mux_mask(uart, rt_gpio_pinmux.uart, &m)) {
-+			pr_err("pinmux: failed to load uartmux \"%s\"\n", uart);
-+			mode |= rt_gpio_pinmux.uart_mask << rt_gpio_pinmux.uart_shift;
-+		} else {
-+			mode |= m << rt_gpio_pinmux.uart_shift;
-+			pr_debug("pinmux: registered uartmux \"%s\"\n", uart);
-+		}
-+	}
-+
-+	wdt = of_get_property(np, "ralink,wdtmux", NULL);
-+	if (wdt && *wdt && rt_gpio_pinmux.wdt_reset)
-+		rt_gpio_pinmux.wdt_reset();
-+
-+	pci = NULL;
-+	if (rt_gpio_pinmux.pci)
-+		of_property_read_string(np, "ralink,pcimux", &pci);
-+
-+	if (pci) {
-+		mode &= ~(rt_gpio_pinmux.pci_mask << rt_gpio_pinmux.pci_shift);
-+		if (ralink_mux_mask(pci, rt_gpio_pinmux.pci, &m)) {
-+			mode |= rt_gpio_pinmux.pci_mask << rt_gpio_pinmux.pci_shift;
-+			pr_debug("pinmux: failed to load pcimux \"%s\"\n", pci);
-+		} else {
-+			mode |= m << rt_gpio_pinmux.pci_shift;
-+			pr_debug("pinmux: registered pcimux \"%s\"\n", pci);
-+		}
-+	}
-+
-+	rt_sysc_w32(mode, SYSC_REG_GPIO_MODE);
-+}