diff mbox

[v2,2/4] ARM: imx6ul: add fec MAC refrence clock and phy fixup init

Message ID 1438068642-6876-3-git-send-email-b38611@freescale.com
State New
Headers show

Commit Message

Nimrod Andy July 28, 2015, 7:30 a.m. UTC
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(+)

Comments

Shawn Guo Aug. 5, 2015, 12:56 p.m. UTC | #1
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@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
>
diff mbox

Patch

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>
+#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();
 }