[PATCH 3/6] udoo: Call gpio_request()

[Fabio Estevam]

Calling gpio_request() prior to its usage is now mandatory.

This fixes the following GPIO errors:

U-Boot SPL 2022.01-rc3-00067-g7a5be871c0ec (Dec 18 2021 - 17:45:07 -0300)       
Trying to boot from MMC1                                                        
                                                                                
                                                                                
U-Boot 2022.01-rc3-00067-g7a5be871c0ec (Dec 18 2021 - 17:45:07 -0300)           
                                                                                
CPU:   Freescale i.MX6Q rev1.2 at 792 MHz                                       
Reset cause: WDOG                                                               
Model: Udoo i.MX6 Quad Board                                                    
Board: Udoo Quad                                                                
DRAM:  1 GiB                                                                    
MMC:   FSL_SDHC: 2                                                              
Loading Environment from MMC... OK                                              
In:    serial                                                                   
Out:   serial                                                                   
Err:   serial                                                                   
gpio at 20a0000: set_dir_flags: error: gpio GPIO2_31 not reserved                  
gpio at 20a4000: set_dir_flags: error: gpio GPIO3_23 not reserved                  
gpio at 20b0000: set_dir_flags: error: gpio GPIO6_24 not reserved                  
gpio at 20b0000: set_dir_flags: error: gpio GPIO6_25 not reserved                  
gpio at 20b0000: set_dir_flags: error: gpio GPIO6_27 not reserved                  
gpio at 20b0000: set_dir_flags: error: gpio GPIO6_28 not reserved                  
gpio at 20b0000: set_dir_flags: error: gpio GPIO6_29 not reserved                  
gpio at 20a4000: set_value: error: gpio GPIO3_23 not reserved                      
Net:   Could not get PHY for FEC0: addr -2                                      
No ethernet found.  

Signed-off-by: Fabio Estevam <festevam at gmail.com>
---
 board/udoo/udoo.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/board/udoo/udoo.c b/board/udoo/udoo.c
index 5c49388cbfbe..9e0365615d6d 100644
--- a/board/udoo/udoo.c
+++ b/board/udoo/udoo.c
@@ -90,6 +90,14 @@ int mx6_rgmii_rework(struct phy_device *phydev)
 
 static void setup_iomux_enet(void)
 {
+	gpio_request(IMX_GPIO_NR(2, 31), "eth_power");
+	gpio_request(IMX_GPIO_NR(3, 23), "eth_phy_reset");
+	gpio_request(IMX_GPIO_NR(6, 24), "strap1");
+	gpio_request(IMX_GPIO_NR(6, 25), "strap2");
+	gpio_request(IMX_GPIO_NR(6, 27), "strap3");
+	gpio_request(IMX_GPIO_NR(6, 28), "strap4");
+	gpio_request(IMX_GPIO_NR(6, 29), "strap5");
+
 	gpio_direction_output(IMX_GPIO_NR(2, 31), 1); /* Power supply on */
 
 	gpio_direction_output(IMX_GPIO_NR(3, 23), 0); /* assert PHY rst */
-- 
2.25.1