diff options
Diffstat (limited to 'target/linux/ramips/patches-3.10/0101-MIPS-ralink-add-pinmux-driver.patch')
| -rw-r--r-- | target/linux/ramips/patches-3.10/0101-MIPS-ralink-add-pinmux-driver.patch | 144 |
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); -+} |