diff options
Diffstat (limited to 'arch/arm/mach-imx/mach-imx6q.c')
| -rw-r--r-- | arch/arm/mach-imx/mach-imx6q.c | 41 |
1 files changed, 40 insertions, 1 deletions
diff --git a/arch/arm/mach-imx/mach-imx6q.c b/arch/arm/mach-imx/mach-imx6q.c index 5057d61298b7..2f7616889c3f 100644 --- a/arch/arm/mach-imx/mach-imx6q.c +++ b/arch/arm/mach-imx/mach-imx6q.c @@ -31,6 +31,8 @@ #include <linux/micrel_phy.h> #include <linux/mfd/syscon.h> #include <linux/mfd/syscon/imx6q-iomuxc-gpr.h> +#include <linux/fec.h> +#include <linux/netdevice.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> #include <asm/system_misc.h> @@ -39,6 +41,35 @@ #include "cpuidle.h" #include "hardware.h" +static struct fec_platform_data fec_pdata; + +static void imx6q_fec_sleep_enable(int enabled) +{ + struct regmap *gpr; + + gpr = syscon_regmap_lookup_by_compatible("fsl,imx6q-iomuxc-gpr"); + if (!IS_ERR(gpr)) { + if (enabled) + regmap_update_bits(gpr, IOMUXC_GPR13, + IMX6Q_GPR13_ENET_STOP_REQ, + IMX6Q_GPR13_ENET_STOP_REQ); + + else + regmap_update_bits(gpr, IOMUXC_GPR13, + IMX6Q_GPR13_ENET_STOP_REQ, 0); + } else + pr_err("failed to find fsl,imx6q-iomux-gpr regmap\n"); +} + +static void __init imx6q_enet_plt_init(void) +{ + struct device_node *np; + + np = of_find_node_by_path("/soc/aips-bus@02100000/ethernet@02188000"); + if (np && of_get_property(np, "fsl,magic-packet", NULL)) + fec_pdata.sleep_mode_enable = imx6q_fec_sleep_enable; +} + /* For imx6q sabrelite board: set KSZ9021RN RGMII pad skew */ static int ksz9021rn_phy_fixup(struct phy_device *phydev) { @@ -261,6 +292,12 @@ static void __init imx6q_axi_init(void) } } +/* Add auxdata to pass platform data */ +static const struct of_dev_auxdata imx6q_auxdata_lookup[] __initconst = { + OF_DEV_AUXDATA("fsl,imx6q-fec", 0x02188000, NULL, &fec_pdata), + { /* sentinel */ } +}; + static void __init imx6q_init_machine(void) { struct device *parent; @@ -274,11 +311,13 @@ static void __init imx6q_init_machine(void) imx6q_enet_phy_init(); - of_platform_populate(NULL, of_default_bus_match_table, NULL, parent); + of_platform_populate(NULL, of_default_bus_match_table, + imx6q_auxdata_lookup, parent); imx_anatop_init(); cpu_is_imx6q() ? imx6q_pm_init() : imx6dl_pm_init(); imx6q_1588_init(); + imx6q_enet_plt_init(); imx6q_axi_init(); } |