From: shawnguo@kernel.org (Shawn Guo)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 2/4] ARM: imx6ul: add fec MAC refrence clock and phy fixup init
Date: Wed, 5 Aug 2015 20:56:50 +0800 [thread overview]
Message-ID: <20150805125650.GL12927@tiger> (raw)
In-Reply-To: <1438068642-6876-3-git-send-email-b38611@freescale.com>
On Tue, Jul 28, 2015 at 03:30:40PM +0800, Fugang Duan wrote:
> Add FEC MAC refrence clock init.
> Add phy fixup init for i.MX6ul 14x14 evk board that installs KSZ8081 phy.
> For the phy, there needs extra phy fixup for MII and RMII mode.
>
> Signed-off-by: Fugang Duan <b38611@freescale.com>
> ---
> arch/arm/mach-imx/mach-imx6ul.c | 43 +++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 43 insertions(+)
>
> diff --git a/arch/arm/mach-imx/mach-imx6ul.c b/arch/arm/mach-imx/mach-imx6ul.c
> index f206506..0d81152 100644
> --- a/arch/arm/mach-imx/mach-imx6ul.c
> +++ b/arch/arm/mach-imx/mach-imx6ul.c
> @@ -7,11 +7,53 @@
> */
> #include <linux/irqchip.h>
> #include <linux/of_platform.h>
> +#include <linux/mfd/syscon.h>
> +#include <linux/mfd/syscon/imx6q-iomuxc-gpr.h>
> +#include <linux/micrel_phy.h>
'm' should go above 'o', right? I fixed the ordering and applied the
whole series.
Shawn
> +#include <linux/phy.h>
> +#include <linux/regmap.h>
> #include <asm/mach/arch.h>
> #include <asm/mach/map.h>
>
> #include "common.h"
>
> +static void __init imx6ul_enet_clk_init(void)
> +{
> + struct regmap *gpr;
> +
> + gpr = syscon_regmap_lookup_by_compatible("fsl,imx6ul-iomuxc-gpr");
> + if (!IS_ERR(gpr))
> + regmap_update_bits(gpr, IOMUXC_GPR1, IMX6UL_GPR1_ENET_CLK_DIR,
> + IMX6UL_GPR1_ENET_CLK_OUTPUT);
> + else
> + pr_err("failed to find fsl,imx6ul-iomux-gpr regmap\n");
> +
> +}
> +
> +static int ksz8081_phy_fixup(struct phy_device *dev)
> +{
> + if (dev && dev->interface == PHY_INTERFACE_MODE_MII) {
> + phy_write(dev, 0x1f, 0x8110);
> + phy_write(dev, 0x16, 0x201);
> + } else if (dev && dev->interface == PHY_INTERFACE_MODE_RMII) {
> + phy_write(dev, 0x1f, 0x8190);
> + phy_write(dev, 0x16, 0x202);
> + }
> +
> + return 0;
> +}
> +
> +static void __init imx6ul_enet_phy_init(void)
> +{
> + phy_register_fixup_for_uid(PHY_ID_KSZ8081, 0xffffffff, ksz8081_phy_fixup);
> +}
> +
> +static inline void imx6ul_enet_init(void)
> +{
> + imx6ul_enet_clk_init();
> + imx6ul_enet_phy_init();
> +}
> +
> static void __init imx6ul_init_machine(void)
> {
> struct device *parent;
> @@ -21,6 +63,7 @@ static void __init imx6ul_init_machine(void)
> pr_warn("failed to initialize soc device\n");
>
> of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
> + imx6ul_enet_init();
> imx_anatop_init();
> }
>
> --
> 1.9.1
>
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel at lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
>
next prev parent reply other threads:[~2015-08-05 12:56 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-28 7:30 [PATCH v2 0/4] ARM: imx6ul: add fec1 and fec2 support for i.MX6ul 14x14 evk board Fugang Duan
2015-07-28 7:30 ` [PATCH v2 1/4] ARM: imx6ul: add fec bits to GPR syscon definition Fugang Duan
2015-07-28 7:30 ` [PATCH v2 2/4] ARM: imx6ul: add fec MAC refrence clock and phy fixup init Fugang Duan
2015-08-05 12:56 ` Shawn Guo [this message]
2015-07-28 7:30 ` [PATCH v2 3/4] ARM: dts: imx: add fec1 and fec2 nodes for SOC i.MX6UL Fugang Duan
2015-07-28 7:30 ` [PATCH v2 4/4] ARM: dts: imx6ul-14x14-evk: add fec1 and fec2 support Fugang Duan
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