ARM: mxs: configure and register the second FEC device on TX28/STK5-V4 (021ebc2d) · Commits · e / devices / android_kernel_teracube_2e

arch/arm/mach-mxs/module-tx28.c

+35 −6

Original line number	Diff line number	Diff line
		@@ -45,7 +45,7 @@ static const iomux_cfg_t tx28_fec_gpio_pads[] __initconst = {
		};

		#define FEC_MODE (MXS_PAD_8MA \| MXS_PAD_PULLUP \| MXS_PAD_3V3)
		static const iomux_cfg_t tx28_fec_pads[] __initconst = {
		static const iomux_cfg_t tx28_fec0_pads[] __initconst = {
		MX28_PAD_ENET0_MDC__ENET0_MDC \| FEC_MODE,
		MX28_PAD_ENET0_MDIO__ENET0_MDIO \| FEC_MODE,
		MX28_PAD_ENET0_RX_EN__ENET0_RX_EN \| FEC_MODE,
		@@ -57,7 +57,20 @@ static const iomux_cfg_t tx28_fec_pads[] __initconst = {
		MX28_PAD_ENET_CLK__CLKCTRL_ENET \| FEC_MODE,
		};

		static const struct fec_platform_data tx28_fec_data __initconst = {
		static const iomux_cfg_t tx28_fec1_pads[] __initconst = {
		MX28_PAD_ENET0_RXD2__ENET1_RXD0,
		MX28_PAD_ENET0_RXD3__ENET1_RXD1,
		MX28_PAD_ENET0_TXD2__ENET1_TXD0,
		MX28_PAD_ENET0_TXD3__ENET1_TXD1,
		MX28_PAD_ENET0_COL__ENET1_TX_EN,
		MX28_PAD_ENET0_CRS__ENET1_RX_EN,
		};

		static struct fec_platform_data tx28_fec0_data = {
		.phy = PHY_INTERFACE_MODE_RMII,
		};

		static struct fec_platform_data tx28_fec1_data = {
		.phy = PHY_INTERFACE_MODE_RMII,
		};

		@@ -108,15 +121,15 @@ int __init tx28_add_fec0(void)
		pr_debug("%s: Deasserting FEC PHY RESET\n", __func__);
		gpio_set_value(TX28_FEC_PHY_RESET, 1);

		ret = mxs_iomux_setup_multiple_pads(tx28_fec_pads,
		ARRAY_SIZE(tx28_fec_pads));
		ret = mxs_iomux_setup_multiple_pads(tx28_fec0_pads,
		ARRAY_SIZE(tx28_fec0_pads));
		if (ret) {
		pr_debug("%s: mxs_iomux_setup_multiple_pads() failed with rc: %d\n",
		__func__, ret);
		goto free_gpios;
		}
		pr_debug("%s: Registering FEC device\n", __func__);
		mx28_add_fec(0, &tx28_fec_data);
		pr_debug("%s: Registering FEC0 device\n", __func__);
		mx28_add_fec(0, &tx28_fec0_data);
		return 0;

		free_gpios:
		@@ -129,3 +142,19 @@ int __init tx28_add_fec0(void)

		return ret;
		}

		int __init tx28_add_fec1(void)
		{
		int ret;

		ret = mxs_iomux_setup_multiple_pads(tx28_fec1_pads,
		ARRAY_SIZE(tx28_fec1_pads));
		if (ret) {
		pr_debug("%s: mxs_iomux_setup_multiple_pads() failed with rc: %d\n",
		__func__, ret);
		return ret;
		}
		pr_debug("%s: Registering FEC1 device\n", __func__);
		mx28_add_fec(1, &tx28_fec1_data);
		return 0;
		}

arch/arm/mach-mxs/module-tx28.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -7,3 +7,4 @@
		* Free Software Foundation.
		*/
		int __init tx28_add_fec0(void);
		int __init tx28_add_fec1(void);