From 7d9bac5247ce79c0ac849ee35a74b54fb713a408 Mon Sep 17 00:00:00 2001
From: John Crispin <john@openwrt.org>
Date: Fri, 1 Aug 2014 20:51:14 +0000
Subject: [PATCH] ramips: Add support for SPI_CS1 pinmux
MIME-Version: 1.0
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This patch adds support for setting SPI_CS1 as Chip Select, Watchdog reset output and GPIO#27.
Signed-off-by: Ãlvaro Fernández Rojas <noltari@gmail.com>
SVN-Revision: 41938
---
target/linux/ramips/dts/rt5350.dtsi | 6 ++++
.../0221-pinmux-rt5350-spi_cs1.patch | 31 +++++++++++++++++++
2 files changed, 37 insertions(+)
create mode 100644 target/linux/ramips/patches-3.10/0221-pinmux-rt5350-spi_cs1.patch
diff --git a/target/linux/ramips/dts/rt5350.dtsi b/target/linux/ramips/dts/rt5350.dtsi
index e88f28dee8..722540b037 100644
--- a/target/linux/ramips/dts/rt5350.dtsi
+++ b/target/linux/ramips/dts/rt5350.dtsi
@@ -230,6 +230,12 @@
ralink,function = "uartf";
};
};
+ spi_cs1: spi1 {
+ spi1 {
+ ralink,group = "spi_cs1";
+ ralink,function = "spi_cs1";
+ };
+ };
};
rstctrl: rstctrl {
diff --git a/target/linux/ramips/patches-3.10/0221-pinmux-rt5350-spi_cs1.patch b/target/linux/ramips/patches-3.10/0221-pinmux-rt5350-spi_cs1.patch
new file mode 100644
index 0000000000..bdcf7f0c1a
--- /dev/null
+++ b/target/linux/ramips/patches-3.10/0221-pinmux-rt5350-spi_cs1.patch
@@ -0,0 +1,31 @@
+--- a/arch/mips/include/asm/mach-ralink/rt305x.h
++++ b/arch/mips/include/asm/mach-ralink/rt305x.h
+@@ -145,6 +145,7 @@ static inline int soc_is_rt5350(void)
+ #define RT305X_GPIO_MODE_SDRAM 8
+ #define RT305X_GPIO_MODE_RGMII 9
+ #define RT5350_GPIO_MODE_PHY_LED 14
++#define RT5350_GPIO_MODE_SPI_CS1 21
+ #define RT3352_GPIO_MODE_LNA 18
+ #define RT3352_GPIO_MODE_PA 20
+
+--- a/arch/mips/ralink/rt305x.c
++++ b/arch/mips/ralink/rt305x.c
+@@ -38,6 +38,10 @@ static struct rt2880_pmx_func uartlite_f
+ static struct rt2880_pmx_func jtag_func[] = { FUNC("jtag", 0, 17, 5) };
+ static struct rt2880_pmx_func mdio_func[] = { FUNC("mdio", 0, 22, 2) };
+ static struct rt2880_pmx_func rt5350_led_func[] = { FUNC("led", 0, 22, 5) };
++static struct rt2880_pmx_func rt5350_cs1_func[] = {
++ FUNC("spi_cs1", 0, 27, 1),
++ FUNC("wdg_cs1", 1, 27, 1),
++};
+ static struct rt2880_pmx_func sdram_func[] = { FUNC("sdram", 0, 24, 16) };
+ static struct rt2880_pmx_func rt3352_rgmii_func[] = { FUNC("rgmii", 0, 24, 12) };
+ static struct rt2880_pmx_func rgmii_func[] = { FUNC("rgmii", 0, 40, 12) };
+@@ -81,6 +85,7 @@ static struct rt2880_pmx_group rt5350_pi
+ GRP("uartlite", uartlite_func, 1, RT305X_GPIO_MODE_UART1),
+ GRP("jtag", jtag_func, 1, RT305X_GPIO_MODE_JTAG),
+ GRP("led", rt5350_led_func, 1, RT5350_GPIO_MODE_PHY_LED),
++ GRP("spi_cs1", rt5350_cs1_func, 2, RT5350_GPIO_MODE_SPI_CS1),
+ { 0 }
+ };
+
--
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