From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ken Lin Date: Tue, 21 Feb 2017 09:56:55 +0800 Subject: [U-Boot] [PATCH v2 1/2] board: ge: bx50v3: fix AR8033 reset timing issue Message-ID: <20170221015656.23555-1-yungching0725@gmail.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Add the delay (10ms) to ensure the clock is stable and to meet the clock-to-reset(1ms) requirement recommended in the AR8033 datasheet Signed-off-by: Ken Lin --- Changes from v1 - Fix the missing Signed-off-by issue board/ge/bx50v3/bx50v3.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/board/ge/bx50v3/bx50v3.c b/board/ge/bx50v3/bx50v3.c index 2fc1144cda..80b4ba1b8b 100644 --- a/board/ge/bx50v3/bx50v3.c +++ b/board/ge/bx50v3/bx50v3.c @@ -103,8 +103,9 @@ static void setup_iomux_enet(void) /* Reset AR8033 PHY */ gpio_direction_output(IMX_GPIO_NR(1, 28), 0); - udelay(500); + mdelay(10); gpio_set_value(IMX_GPIO_NR(1, 28), 1); + mdelay(1); } static iomux_v3_cfg_t const usdhc2_pads[] = { -- 2.11.0