From: Frank Sautter <github@sautter.com>
Date: Mon, 13 Nov 2017 23:10:59 +0000 (+0100)
Subject: Set GPIO-mode for MDC and MDIO pins
X-Git-Tag: v3.1-dev~37^2
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=157371effb5813110c303322025205df02b8282c;p=esp-idf

Set GPIO-mode for MDC and MDIO pins

Merges #1127
---

diff --git a/components/ethernet/eth_phy/phy_common.c b/components/ethernet/eth_phy/phy_common.c
index a72a6daf86..88e5d0c73a 100644
--- a/components/ethernet/eth_phy/phy_common.c
+++ b/components/ethernet/eth_phy/phy_common.c
@@ -41,8 +41,10 @@ void phy_rmii_configure_data_interface_pins(void)
 void phy_rmii_smi_configure_pins(uint8_t mdc_gpio, uint8_t mdio_gpio)
 {
     gpio_matrix_out(mdc_gpio, EMAC_MDC_O_IDX, 0, 0);
+    PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[mdc_gpio], PIN_FUNC_GPIO);
     gpio_matrix_out(mdio_gpio, EMAC_MDO_O_IDX, 0, 0);
     gpio_matrix_in(mdio_gpio, EMAC_MDI_I_IDX, 0);
+    PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[mdio_gpio], PIN_FUNC_GPIO);
 }
 
 void phy_mii_enable_flow_ctrl(void)