Patchwork [U-Boot,2/3] nitrogen6x: configure and toggle PHY reset for Nitrogen6x

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Submitter Eric Nelson
Date Oct. 4, 2012, 7:49 p.m.
Message ID <1349380149-8693-3-git-send-email-eric.nelson@boundarydevices.com>
Download mbox | patch
Permalink /patch/189273/
State Deferred
Headers show

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Eric Nelson - Oct. 4, 2012, 7:49 p.m.
Signed-off-by: Eric Nelson <eric.nelson@boundarydevices.com>
---
 board/boundary/nitrogen6x/nitrogen6x.c |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

Patch

diff --git a/board/boundary/nitrogen6x/nitrogen6x.c b/board/boundary/nitrogen6x/nitrogen6x.c
index e70871d..469a044 100644
--- a/board/boundary/nitrogen6x/nitrogen6x.c
+++ b/board/boundary/nitrogen6x/nitrogen6x.c
@@ -174,6 +174,7 @@  iomux_v3_cfg_t const enet_pads1[] = {
 	MX6Q_PAD_RGMII_RX_CTL__GPIO_6_24	| MUX_PAD_CTRL(NO_PAD_CTRL),
 	/* pin 42 PHY nRST */
 	MX6Q_PAD_EIM_D23__GPIO_3_23		| MUX_PAD_CTRL(NO_PAD_CTRL),
+	MX6Q_PAD_ENET_RXD0__GPIO_1_27		| MUX_PAD_CTRL(NO_PAD_CTRL),
 };
 
 iomux_v3_cfg_t const enet_pads2[] = {
@@ -203,7 +204,8 @@  static iomux_v3_cfg_t const button_pads[] = {
 
 static void setup_iomux_enet(void)
 {
-	gpio_direction_output(IMX_GPIO_NR(3, 23), 0);
+	gpio_direction_output(IMX_GPIO_NR(3, 23), 0); /* SABRE Lite PHY rst */
+	gpio_direction_output(IMX_GPIO_NR(1, 27), 0); /* Nitrogen6X PHY rst */
 	gpio_direction_output(IMX_GPIO_NR(6, 30), 1);
 	gpio_direction_output(IMX_GPIO_NR(6, 25), 1);
 	gpio_direction_output(IMX_GPIO_NR(6, 27), 1);
@@ -214,7 +216,8 @@  static void setup_iomux_enet(void)
 
 	/* Need delay 10ms according to KSZ9021 spec */
 	udelay(1000 * 10);
-	gpio_set_value(IMX_GPIO_NR(3, 23), 1);
+	gpio_set_value(IMX_GPIO_NR(3, 23), 1); /* SABRE Lite PHY reset */
+	gpio_set_value(IMX_GPIO_NR(1, 27), 1); /* Nitrogen6X PHY reset */
 
 	imx_iomux_v3_setup_multiple_pads(enet_pads2, ARRAY_SIZE(enet_pads2));
 }