diff options
Diffstat (limited to 'target/linux/ramips/patches-3.8/0045-MIPS-ralink-add-pinmux-driver.patch')
| -rw-r--r-- | target/linux/ramips/patches-3.8/0045-MIPS-ralink-add-pinmux-driver.patch | 141 |
1 files changed, 0 insertions, 141 deletions
diff --git a/target/linux/ramips/patches-3.8/0045-MIPS-ralink-add-pinmux-driver.patch b/target/linux/ramips/patches-3.8/0045-MIPS-ralink-add-pinmux-driver.patch deleted file mode 100644 index 546719df98..0000000000 --- a/target/linux/ramips/patches-3.8/0045-MIPS-ralink-add-pinmux-driver.patch +++ /dev/null @@ -1,141 +0,0 @@ -From c7107291df4035794c67d7a904fe7419fedc5922 Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Mon, 22 Apr 2013 23:11:42 +0200 -Subject: [PATCH 45/79] 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 - -diff --git a/arch/mips/ralink/Makefile b/arch/mips/ralink/Makefile -index 38cf1a8..341b4de 100644 ---- 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 -+obj-y := prom.o of.o reset.o clk.o irq.o pinmux.o - - obj-$(CONFIG_SOC_RT288X) += rt288x.o - obj-$(CONFIG_SOC_RT305X) += rt305x.o -diff --git a/arch/mips/ralink/common.h b/arch/mips/ralink/common.h -index 83144c3..f113fd6 100644 ---- a/arch/mips/ralink/common.h -+++ b/arch/mips/ralink/common.h -@@ -50,4 +50,6 @@ extern void prom_soc_init(struct ralink_soc_info *soc_info); - - __iomem void *plat_of_remap_node(const char *node); - -+void ralink_pinmux(void); -+ - #endif /* _RALINK_COMMON_H__ */ -diff --git a/arch/mips/ralink/of.c b/arch/mips/ralink/of.c -index fb15695..f916774 100644 ---- a/arch/mips/ralink/of.c -+++ b/arch/mips/ralink/of.c -@@ -110,6 +110,8 @@ static int __init plat_of_setup(void) - if (of_platform_populate(NULL, of_ids, NULL, NULL)) - panic("failed to populate DT\n"); - -+ ralink_pinmux(); -+ - return 0; - } - -diff --git a/arch/mips/ralink/pinmux.c b/arch/mips/ralink/pinmux.c -new file mode 100644 -index 0000000..1720216 ---- /dev/null -+++ b/arch/mips/ralink/pinmux.c -@@ -0,0 +1,77 @@ -+/* -+ * 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, *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(); -+ -+ rt_sysc_w32(mode, SYSC_REG_GPIO_MODE); -+} --- -1.7.10.4 - |