[PATCH v1 2/2] ARM: boards: protonic-imx6: properly configure RGMII direction for the FEC MAC

[Oleksij Rempel]

To make SJA1105 switch work properly with bareobx, we need to configure
RGMII ref_clk.

Signed-off-by: Oleksij Rempel <o.rempel at pengutronix.de>
---
 arch/arm/boards/protonic-imx6/board.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/arch/arm/boards/protonic-imx6/board.c b/arch/arm/boards/protonic-imx6/board.c
index 5ca80bd306..1a5c1a7bbd 100644
--- a/arch/arm/boards/protonic-imx6/board.c
+++ b/arch/arm/boards/protonic-imx6/board.c
@@ -654,6 +654,18 @@ static int prt_imx6_init_prtvt7(struct prt_imx6_priv *priv)
 	return 0;
 }
 
+static int prt_imx6_init_prtwd3(struct prt_imx6_priv *priv)
+{
+	void __iomem *iomux = (void *)MX6_IOMUXC_BASE_ADDR;
+	uint32_t val;
+
+	val = readl(iomux + IOMUXC_GPR1);
+	val |= IMX6Q_GPR1_ENET_CLK_SEL_ANATOP;
+	writel(val, iomux + IOMUXC_GPR1);
+
+	return 0;
+}
+
 static int prt_imx6_rfid_fixup(struct prt_imx6_priv *priv,
 			       struct device_node *root)
 {
@@ -1116,6 +1128,7 @@ static const struct prt_machine_data prt_imx6_cfg_prtwd3[] = {
 		.i2c_adapter = 0,
 		.emmc_usdhc = 2,
 		.sd_usdhc = 0,
+		.init = prt_imx6_init_prtwd3,
 		.flags = PRT_IMX6_BOOTSRC_EMMC,
 	}, {
 		.hw_id = UINT_MAX
-- 
2.30.2