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ramips: add MT7620 pinmux bits for mdio as refclk 

The MT7620 uses a 2 bit wide configuration of the mdio.

Signed-off-by: Michael Lee <igvtee@gmail.com>
This commit is contained in:
Michael Lee 2016-04-20 14:30:13 +08:00 committed by John Crispin
parent 0460e9ffca
commit 36d98e6c7a
1 changed files with 42 additions and 0 deletions
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42
target/linux/ramips/patches-4.4/0700-pinctrl-mt7620-mdio-as-refclk.patch Normal file
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@ -0,0 +1,42 @@
--- a/arch/mips/include/asm/mach-ralink/mt7620.h
+++ b/arch/mips/include/asm/mach-ralink/mt7620.h
@@ -114,9 +114,14 @@
#define MT7620_GPIO_MODE_WDT_MASK 0x3
#define MT7620_GPIO_MODE_WDT_SHIFT 21
+#define MT7620_GPIO_MODE_MDIO 0
+#define MT7620_GPIO_MODE_MDIO_REFCLK 1
+#define MT7620_GPIO_MODE_MDIO_GPIO 2
+#define MT7620_GPIO_MODE_MDIO_MASK 0x3
+#define MT7620_GPIO_MODE_MDIO_SHIFT 7
+
#define MT7620_GPIO_MODE_I2C 0
#define MT7620_GPIO_MODE_UART1 5
-#define MT7620_GPIO_MODE_MDIO 8
#define MT7620_GPIO_MODE_RGMII1 9
#define MT7620_GPIO_MODE_RGMII2 10
#define MT7620_GPIO_MODE_SPI 11
--- a/arch/mips/ralink/mt7620.c
+++ b/arch/mips/ralink/mt7620.c
@@ -55,7 +55,10 @@ static int dram_type;
static struct rt2880_pmx_func i2c_grp[] = { FUNC("i2c", 0, 1, 2) };
static struct rt2880_pmx_func spi_grp[] = { FUNC("spi", 0, 3, 4) };
static struct rt2880_pmx_func uartlite_grp[] = { FUNC("uartlite", 0, 15, 2) };
-static struct rt2880_pmx_func mdio_grp[] = { FUNC("mdio", 0, 22, 2) };
+static struct rt2880_pmx_func mdio_grp[] = {
+ FUNC("mdio", MT7620_GPIO_MODE_MDIO, 22, 2),
+ FUNC("refclk", MT7620_GPIO_MODE_MDIO_REFCLK, 22, 2),
+};
static struct rt2880_pmx_func rgmii1_grp[] = { FUNC("rgmii1", 0, 24, 12) };
static struct rt2880_pmx_func refclk_grp[] = { FUNC("spi refclk", 0, 37, 3) };
static struct rt2880_pmx_func ephy_grp[] = { FUNC("ephy", 0, 40, 5) };
@@ -92,7 +95,8 @@ static struct rt2880_pmx_group mt7620a_p
GRP("uartlite", uartlite_grp, 1, MT7620_GPIO_MODE_UART1),
GRP_G("wdt", wdt_grp, MT7620_GPIO_MODE_WDT_MASK,
MT7620_GPIO_MODE_WDT_GPIO, MT7620_GPIO_MODE_WDT_SHIFT),
- GRP("mdio", mdio_grp, 1, MT7620_GPIO_MODE_MDIO),
+ GRP_G("mdio", mdio_grp, MT7620_GPIO_MODE_MDIO_MASK,
+ MT7620_GPIO_MODE_MDIO_GPIO, MT7620_GPIO_MODE_MDIO_SHIFT),
GRP("rgmii1", rgmii1_grp, 1, MT7620_GPIO_MODE_RGMII1),
GRP("spi refclk", refclk_grp, 1, MT7620_GPIO_MODE_SPI_REF_CLK),
GRP_G("pcie", pcie_rst_grp, MT7620_GPIO_MODE_PCIE_MASK,