ARM: dts: imx6sl: add fec sleep pinctrl for pin PM state

when system suspend, need to set pins to low power state to
save IO power consumption, there are three states of pinctrl:
"default", "idle" and "sleep". Currently enet supports default
and sleep state.

Signed-off-by: Fugang Duan <B38611@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>

diff --git a/arch/arm/boot/dts/imx6sl-evk.dts b/arch/arm/boot/dts/imx6sl-evk.dts
index a8d9a93fab85fd5031eb8c164fc676823392e0b2..050786dc6df112db1a1b4e9ec0d4ae0393942762 100644 (file)
--- a/arch/arm/boot/dts/imx6sl-evk.dts
+++ b/arch/arm/boot/dts/imx6sl-evk.dts
@@ -116,8 +116,9 @@
 };
 
 &fec {
-       pinctrl-names = "default";
+       pinctrl-names = "default", "sleep";
        pinctrl-0 = <&pinctrl_fec>;
+       pinctrl-1 = <&pinctrl_fec_sleep>;
        phy-mode = "rmii";
        status = "okay";
 };
@@ -300,6 +301,19 @@
                        >;
                };
 
+               pinctrl_fec_sleep: fecgrp-sleep {
+                       fsl,pins = <
+                               MX6SL_PAD_FEC_MDC__GPIO4_IO23      0x3080
+                               MX6SL_PAD_FEC_CRS_DV__GPIO4_IO25   0x3080
+                               MX6SL_PAD_FEC_RXD0__GPIO4_IO17     0x3080
+                               MX6SL_PAD_FEC_RXD1__GPIO4_IO18     0x3080
+                               MX6SL_PAD_FEC_TX_EN__GPIO4_IO22    0x3080
+                               MX6SL_PAD_FEC_TXD0__GPIO4_IO24     0x3080
+                               MX6SL_PAD_FEC_TXD1__GPIO4_IO16     0x3080
+                               MX6SL_PAD_FEC_REF_CLK__GPIO4_IO26  0x3080
+                       >;
+               };
+
                pinctrl_i2c1: i2c1grp {
                        fsl,pins = <
                                MX6SL_PAD_I2C1_SCL__I2C1_SCL    0x4001b8b1