[U-Boot] [PATCH] imx6: iomux: Add generic function to set RGMII IO voltage on IMX6 SoCs

[Lukasz Majewski <lukma@denx.de>]

Hi Stefano,

> On 07/11/2017 10:23, Stefano Babic wrote:
> > On 31/10/2017 13:26, Lukasz Majewski wrote:  
> >> This commit provides generic function to set the RGMII/HSIC IO
> >> voltage level on iMX6 devices.
> >>
> >> Signed-off-by: Lukasz Majewski <lukma@denx.de>
> >> ---
> >>
> >>  arch/arm/include/asm/arch-mx6/iomux.h     | 13 +++++++++++++
> >>  arch/arm/include/asm/arch-mx6/sys_proto.h | 11 +++++++++++
> >>  2 files changed, 24 insertions(+)
> >>
> >> diff --git a/arch/arm/include/asm/arch-mx6/iomux.h
> >> b/arch/arm/include/asm/arch-mx6/iomux.h index
> >> 907cb408ff..ee3a56583b 100644 ---
> >> a/arch/arm/include/asm/arch-mx6/iomux.h +++
> >> b/arch/arm/include/asm/arch-mx6/iomux.h @@ -178,4 +178,17 @@
> >>  				|IOMUXC_GPR13_SATA_PHY_3_MASK \
> >>  				|IOMUXC_GPR13_SATA_PHY_2_MASK \
> >>  				|IOMUXC_GPR13_SATA_PHY_1_MASK)
> >> +
> >> +/*
> >> + * Setup RGMII voltage levels on iMX6 SoC - the
> >> + *
> >> + * IOMUXC_SW_PAD_CTL_GRP_DDR_TYPE_RGMII - register
> >> + *
> >> + * 1P2V_IO - USB_HSIC, MIPI_HSI
> >> + * 1P5V_IO - ENET pins
> >> + */
> >> +#define IOMUXC_SW_PAD_CTL_GRP_DDR_TYPE_RGMII	0x020e0790
> >> +#define DDR_SEL_1P2V_IO (0x2 << 18)
> >> +#define DDR_SEL_1P5V_IO (0x3 << 18)
> >> +
> >>  #endif	/* __ASM_ARCH_IOMUX_H__ */
> >> diff --git a/arch/arm/include/asm/arch-mx6/sys_proto.h
> >> b/arch/arm/include/asm/arch-mx6/sys_proto.h index
> >> b22a7a0f8b..72ab7d814f 100644 ---
> >> a/arch/arm/include/asm/arch-mx6/sys_proto.h +++
> >> b/arch/arm/include/asm/arch-mx6/sys_proto.h @@ -6,6 +6,7 @@
> >>   */
> >>  
> >>  #include <asm/mach-imx/sys_proto.h>
> >> +#include <asm/arch/iomux.h>
> >>  
> >>  #define USBPHY_PWD		0x00000000
> >>  
> >> @@ -16,3 +17,13 @@
> >>  
> >>  int imx6_pcie_toggle_power(void);
> >>  int imx6_pcie_toggle_reset(void);
> >> +
> >> +/**
> >> + * iomuxc_set_rgmii_io_voltage - set voltage level of RGMII/USB
> >> pins
> >> + *
> >> + * @param io_vol - the voltage IO level of pins
> >> + */
> >> +static inline void iomuxc_set_rgmii_io_voltage(int io_vol)
> >> +{
> >> +	__raw_writel(io_vol,
> >> IOMUXC_SW_PAD_CTL_GRP_DDR_TYPE_RGMII); +}
> >>  
> > 
> > Applied to u-boot-imx, -master, thanke !
> >   
> 
> I was too optimistic. This breaks the "marsboard" board (same name for
> function). Can you review this and fix it, please ?

I've just sent the fix for "marsboard" (double inclusion of sys_proto.h)

> 
> Thanks,
> Stefano
> 
> 



Best regards,

Lukasz Majewski

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