Merge branch 'for-next/mxs'

10 files changed, 119 insertions, 45 deletions

diff --git a/drivers/clk/mxs/clk-imx28.c b/drivers/clk/mxs/clk-imx28.c
index 4adb1c6866..bf65a4a3b8 100644
--- a/drivers/clk/mxs/clk-imx28.c
+++ b/drivers/clk/mxs/clk-imx28.c
@@ -11,6 +11,7 @@
 #include <linux/clkdev.h>
 #include <linux/err.h>
 #include <mach/imx28-regs.h>
+#include <of_address.h>
 
 #include "clk.h"
 
@@ -38,6 +39,9 @@
 #define FRAC1			(regs + 0x01c0)
 #define CLKSEQ			(regs + 0x01d0)
 
+static void __iomem *digctrl;
+#define DIGCTRL digctrl
+
 static const char *sel_cpu[]  = { "ref_cpu", "ref_xtal", };
 static const char *sel_io0[]  = { "ref_io0", "ref_xtal", };
 static const char *sel_io1[]  = { "ref_io1", "ref_xtal", };
@@ -56,14 +60,17 @@ enum imx28_clk {
 	emi_xtal, lcdif_div, etm_div, ptp, saif0_div, saif1_div,
 	clk32k_div, rtc, lradc, spdif_div, clk32k, pwm, uart, ssp0,
 	ssp1, ssp2, ssp3, gpmi, spdif, emi, saif0, saif1, lcdif, etm,
-	fec_sleep, fec, can0, can1, usb0, usb1, usb0_phy, usb1_phy, enet_out,
-	lcdif_comp, clk_max
+	fec, can0, can1, usb0, usb1, usb0_phy, usb1_phy, enet_out,
+	lcdif_comp, fec_sleep, clk_max
 };
 
 static struct clk *clks[clk_max];
+static struct clk_onecell_data clk_data;
 
-static int __init mx28_clocks_init(void __iomem *regs)
+static int __init mx28_clocks_init(struct device_d *dev, void __iomem *regs)
 {
+	struct device_node *dcnp;
+
 	clks[ref_xtal] = clk_fixed("ref_xtal", 24000000);
 	clks[pll0] = mxs_clk_pll("pll0", "ref_xtal", PLL0CTRL0, 17, 480000000);
 	clks[pll1] = mxs_clk_pll("pll1", "ref_xtal", PLL1CTRL0, 17, 480000000);
@@ -120,6 +127,13 @@ static int __init mx28_clocks_init(void __iomem *regs)
 	clks[lcdif_comp] = mxs_clk_lcdif("lcdif_comp", clks[ref_pix],
 			clks[lcdif_div], clks[lcdif]);
 
+	dcnp = of_find_compatible_node(NULL, NULL, "fsl,imx28-digctl");
+	if (dcnp) {
+		digctrl = of_iomap(dcnp, 0);
+		clks[usb0] = mxs_clk_gate("usb0", "usb0_phy", DIGCTRL, 2);
+		clks[usb1] = mxs_clk_gate("usb1", "usb1_phy", DIGCTRL, 16);
+	}
+
 	clk_set_rate(clks[ref_io0], 480000000);
 	clk_set_rate(clks[ref_io1], 480000000);
 	clk_set_parent(clks[ssp0_sel], clks[ref_io0]);
@@ -131,25 +145,30 @@ static int __init mx28_clocks_init(void __iomem *regs)
 	clk_set_rate(clks[ssp2], 96000000);
 	clk_set_rate(clks[ssp3], 96000000);
 	clk_set_parent(clks[lcdif_sel], clks[ref_pix]);
-	clk_enable(clks[enet_out]);
-
-	clkdev_add_physbase(clks[ssp0], IMX_SSP0_BASE, NULL);
-	clkdev_add_physbase(clks[ssp1], IMX_SSP1_BASE, NULL);
-	clkdev_add_physbase(clks[ssp2], IMX_SSP2_BASE, NULL);
-	clkdev_add_physbase(clks[ssp3], IMX_SSP3_BASE, NULL);
-	clkdev_add_physbase(clks[fec], IMX_FEC0_BASE, NULL);
-	clkdev_add_physbase(clks[xbus], IMX_DBGUART_BASE, NULL);
-	clkdev_add_physbase(clks[hbus], IMX_OCOTP_BASE, NULL);
-	clkdev_add_physbase(clks[hbus], MXS_APBH_BASE, NULL);
-	clkdev_add_physbase(clks[uart], IMX_UART0_BASE, NULL);
-	clkdev_add_physbase(clks[uart], IMX_UART1_BASE, NULL);
-	clkdev_add_physbase(clks[uart], IMX_UART2_BASE, NULL);
-	clkdev_add_physbase(clks[uart], IMX_UART3_BASE, NULL);
-	clkdev_add_physbase(clks[uart], IMX_UART4_BASE, NULL);
-	clkdev_add_physbase(clks[gpmi], MXS_GPMI_BASE, NULL);
-	clkdev_add_physbase(clks[pwm], IMX_PWM_BASE, NULL);
-	if (IS_ENABLED(CONFIG_DRIVER_VIDEO_STM))
-		clkdev_add_physbase(clks[lcdif_comp], IMX_FB_BASE, NULL);
+
+	if (dev->device_node) {
+		clk_data.clks = clks;
+		clk_data.clk_num = clk_max;
+		of_clk_add_provider(dev->device_node, of_clk_src_onecell_get, &clk_data);
+	} else {
+		clkdev_add_physbase(clks[ssp0], IMX_SSP0_BASE, NULL);
+		clkdev_add_physbase(clks[ssp1], IMX_SSP1_BASE, NULL);
+		clkdev_add_physbase(clks[ssp2], IMX_SSP2_BASE, NULL);
+		clkdev_add_physbase(clks[ssp3], IMX_SSP3_BASE, NULL);
+		clkdev_add_physbase(clks[fec], IMX_FEC0_BASE, NULL);
+		clkdev_add_physbase(clks[xbus], IMX_DBGUART_BASE, NULL);
+		clkdev_add_physbase(clks[hbus], IMX_OCOTP_BASE, NULL);
+		clkdev_add_physbase(clks[hbus], MXS_APBH_BASE, NULL);
+		clkdev_add_physbase(clks[uart], IMX_UART0_BASE, NULL);
+		clkdev_add_physbase(clks[uart], IMX_UART1_BASE, NULL);
+		clkdev_add_physbase(clks[uart], IMX_UART2_BASE, NULL);
+		clkdev_add_physbase(clks[uart], IMX_UART3_BASE, NULL);
+		clkdev_add_physbase(clks[uart], IMX_UART4_BASE, NULL);
+		clkdev_add_physbase(clks[gpmi], MXS_GPMI_BASE, NULL);
+		clkdev_add_physbase(clks[pwm], IMX_PWM_BASE, NULL);
+		if (IS_ENABLED(CONFIG_DRIVER_VIDEO_STM))
+			clkdev_add_physbase(clks[lcdif_comp], IMX_FB_BASE, NULL);
+	}
 
 	return 0;
 }
@@ -164,7 +183,7 @@ static int imx28_ccm_probe(struct device_d *dev)
 		return PTR_ERR(iores);
 	regs = IOMEM(iores->start);
 
-	mx28_clocks_init(regs);
+	mx28_clocks_init(dev, regs);
 
 	return 0;
 }
diff --git a/drivers/mci/mxs.c b/drivers/mci/mxs.c
index afd6a56397..5e9f17def8 100644
--- a/drivers/mci/mxs.c
+++ b/drivers/mci/mxs.c
@@ -542,6 +542,13 @@ static void mxs_mci_info(struct device_d *hw_dev)
 	printf("\n");
 }
 
+static int mxs_mmc_detect(struct device_d *dev)
+{
+	struct mxs_mci_host *mxs_mci = dev->priv;
+
+	return mci_detect_card(&mxs_mci->host);
+}
+
 static int mxs_mci_probe(struct device_d *hw_dev)
 {
 	struct resource *iores;
@@ -577,6 +584,8 @@ static int mxs_mci_probe(struct device_d *hw_dev)
 		mci_of_parse(host);
 	}
 
+	hw_dev->detect = mxs_mmc_detect;
+
 	mxs_mci->clk = clk_get(hw_dev, NULL);
 	if (IS_ERR(mxs_mci->clk))
 		return PTR_ERR(mxs_mci->clk);
diff --git a/drivers/net/fec_imx.c b/drivers/net/fec_imx.c
index f814b3b960..772f930f0d 100644
--- a/drivers/net/fec_imx.c
+++ b/drivers/net/fec_imx.c
@@ -705,10 +705,10 @@ static int fec_clk_get(struct fec_priv *fec)
 {
 	int i, err = 0;
 	static const char *clk_names[ARRAY_SIZE(fec->clk)] = {
-		"ipg", "ahb", "ptp"
+		"ipg", "ahb",
 	};
 	static const char *opt_clk_names[ARRAY_SIZE(fec->opt_clk)] = {
-		"enet_clk_ref", "enet_out",
+		"enet_clk_ref", "enet_out", "ptp"
 	};
 
 	for (i = 0; i < ARRAY_SIZE(fec->clk); i++) {
@@ -716,7 +716,7 @@ static int fec_clk_get(struct fec_priv *fec)
 		if (IS_ERR(fec->clk[i])) {
 			err = PTR_ERR(fec->clk[i]);
 			fec_clk_put(fec);
-			break;
+			return err;
 		}
 	}
 
diff --git a/drivers/net/fec_imx.h b/drivers/net/fec_imx.h
index d1ac92f0e3..316eefe48f 100644
--- a/drivers/net/fec_imx.h
+++ b/drivers/net/fec_imx.h
@@ -121,7 +121,6 @@ enum fec_type {
 enum fec_clock {
 	FEC_CLK_IPG,
 	FEC_CLK_AHB,
-	FEC_CLK_PTP,
 
 	FEC_CLK_NUM
 };
@@ -129,6 +128,7 @@ enum fec_clock {
 enum fec_opt_clock {
 	FEC_OPT_CLK_REF,
 	FEC_OPT_CLK_OUT,
+	FEC_OPT_CLK_PTP,
 
 	FEC_OPT_CLK_NUM
 };
diff --git a/drivers/serial/serial_auart.c b/drivers/serial/serial_auart.c
index 05cc757970..ee64f2f8db 100644
--- a/drivers/serial/serial_auart.c
+++ b/drivers/serial/serial_auart.c
@@ -193,6 +193,7 @@ static int auart_serial_probe(struct device_d *dev)
 	cdev->flush = auart_serial_flush;
 	cdev->setbrg = auart_serial_setbaudrate;
 	cdev->dev = dev;
+	cdev->linux_console_name = "ttyAPP";
 
 	dev->priv = priv;
 	iores = dev_request_mem_resource(dev, 0);
diff --git a/drivers/usb/imx/Kconfig b/drivers/usb/imx/Kconfig
index 34f35e0ff6..2b9e63b21c 100644
--- a/drivers/usb/imx/Kconfig
+++ b/drivers/usb/imx/Kconfig
@@ -1,7 +1,7 @@
 
 config USB_IMX_CHIPIDEA
 	bool "i.MX USB support (read help)"
-	depends on ARCH_IMX
+	depends on ARCH_IMX || ARCH_MXS
 	select USB_OTGDEV
 	help
 	  The Freescale i.MX SoCs have a variant of the chipidea ci13xxx for
@@ -15,8 +15,12 @@ config USB_IMX_CHIPIDEA
 	  support to work.
 	  It's safe to say yes here. Also select EHCI support for USB host.
 
+config USB_IMX_CHIPIDEA_USBMISC
+	bool
+	default y if ARCH_IMX
+
 config USB_IMX_PHY
 	bool
-	default y if (ARCH_IMX6 || ARCH_VF610) && GENERIC_PHY
+	default y if (ARCH_IMX6 || ARCH_VF610 || ARCH_MXS) && GENERIC_PHY
 	select STMP_DEVICE
 	select MFD_SYSCON
diff --git a/drivers/usb/imx/Makefile b/drivers/usb/imx/Makefile
index e15bc711a9..ac17e91e99 100644
--- a/drivers/usb/imx/Makefile
+++ b/drivers/usb/imx/Makefile
@@ -1,2 +1,3 @@
-obj-$(CONFIG_USB_IMX_CHIPIDEA) += imx-usb-misc.o chipidea-imx.o
+obj-$(CONFIG_USB_IMX_CHIPIDEA) += chipidea-imx.o
+obj-$(CONFIG_USB_IMX_CHIPIDEA_USBMISC) += imx-usb-misc.o
 obj-$(CONFIG_USB_IMX_PHY) += imx-usb-phy.o
diff --git a/drivers/usb/imx/chipidea-imx.c b/drivers/usb/imx/chipidea-imx.c
index 03301d9c3e..635be02929 100644
--- a/drivers/usb/imx/chipidea-imx.c
+++ b/drivers/usb/imx/chipidea-imx.c
@@ -31,6 +31,10 @@
 
 #define MXC_EHCI_PORTSC_MASK ((0xf << 28) | (1 << 25))
 
+struct imx_chipidea_data {
+	bool have_usb_misc;
+};
+
 struct imx_chipidea {
 	struct device_d *dev;
 	void __iomem *base;
@@ -47,13 +51,14 @@ struct imx_chipidea {
 	struct clk *clk;
 	struct ehci_host *ehci;
 	struct fsl_udc *udc;
+	bool have_usb_misc;
 };
 
 static int imx_chipidea_port_init(void *drvdata)
 {
 	struct imx_chipidea *ci = drvdata;
 	uint32_t portsc;
-	int ret;
+	int ret = 0;
 
 	if ((ci->flags & MXC_EHCI_PORTSC_MASK) == MXC_EHCI_MODE_ULPI) {
 		dev_dbg(ci->dev, "using ULPI phy\n");
@@ -72,9 +77,11 @@ static int imx_chipidea_port_init(void *drvdata)
 			return ret;
 	}
 
-	ret = imx_usbmisc_port_init(ci->usbmisc, ci->portno, ci->flags);
-	if (ret)
-		dev_err(ci->dev, "misc init failed: %s\n", strerror(-ret));
+	if (ci->have_usb_misc) {
+		ret = imx_usbmisc_port_init(ci->usbmisc, ci->portno, ci->flags);
+		if (ret)
+			dev_err(ci->dev, "misc init failed: %s\n", strerror(-ret));
+	}
 
 	/* PFSC bit is reset by ehci_reset(), thus have to set it not in
 	 * probe but here, after ehci_reset() is already called */
@@ -90,11 +97,13 @@ static int imx_chipidea_port_init(void *drvdata)
 static int imx_chipidea_port_post_init(void *drvdata)
 {
 	struct imx_chipidea *ci = drvdata;
-	int ret;
+	int ret = 0;
 
-	ret = imx_usbmisc_port_post_init(ci->usbmisc, ci->portno, ci->flags);
-	if (ret)
-		dev_err(ci->dev, "post misc init failed: %s\n", strerror(-ret));
+	if (ci->have_usb_misc) {
+		ret = imx_usbmisc_port_post_init(ci->usbmisc, ci->portno, ci->flags);
+		if (ret)
+			dev_err(ci->dev, "post misc init failed: %s\n", strerror(-ret));
+	}
 
 	return ret;
 }
@@ -103,15 +112,18 @@ static int imx_chipidea_probe_dt(struct imx_chipidea *ci)
 {
 	struct of_phandle_args out_args;
 
-	if (of_parse_phandle_with_args(ci->dev->device_node, "fsl,usbmisc",
-					"#index-cells", 0, &out_args))
-		return -ENODEV;
+	if (ci->have_usb_misc) {
+		if (of_parse_phandle_with_args(ci->dev->device_node, "fsl,usbmisc",
+						"#index-cells", 0, &out_args))
+			return -ENODEV;
+
+		ci->usbmisc = of_find_device_by_node(out_args.np);
+		if (!ci->usbmisc)
+			return -ENODEV;
 
-	ci->usbmisc = of_find_device_by_node(out_args.np);
-	if (!ci->usbmisc)
-		return -ENODEV;
+		ci->portno = out_args.args[0];
+	}
 
-	ci->portno = out_args.args[0];
 	ci->flags = MXC_EHCI_MODE_UTMI_8BIT;
 
 	ci->mode = of_usb_get_dr_mode(ci->dev->device_node, NULL);
@@ -219,6 +231,7 @@ static int ci_set_mode(void *ctx, enum usb_dr_mode mode)
 static int imx_chipidea_probe(struct device_d *dev)
 {
 	struct resource *iores;
+	struct imx_chipidea_data *imx_data;
 	struct imxusb_platformdata *pdata = dev->platform_data;
 	int ret;
 	void __iomem *base;
@@ -229,6 +242,10 @@ static int imx_chipidea_probe(struct device_d *dev)
 	ci->dev = dev;
 	dev->priv = ci;
 
+	ret = dev_get_drvdata(dev, (const void **)&imx_data);
+	if (!ret)
+		ci->have_usb_misc = imx_data->have_usb_misc;
+
 	if (IS_ENABLED(CONFIG_OFDEVICE) && dev->device_node) {
 		ret = imx_chipidea_probe_dt(ci);
 		if (ret)
@@ -319,11 +336,24 @@ static void imx_chipidea_remove(struct device_d *dev)
 		ci_udc_unregister(ci->udc);
 }
 
+static const struct imx_chipidea_data imx_data = {
+	.have_usb_misc = 1,
+};
+
+static const struct imx_chipidea_data imx28_data = {
+	.have_usb_misc = 0,
+};
+
 static __maybe_unused struct of_device_id imx_chipidea_dt_ids[] = {
 	{
 		.compatible = "fsl,imx27-usb",
+		.data = &imx_data,
+	}, {
+		.compatible = "fsl,imx28-usb",
+		.data = &imx28_data,
 	}, {
 		.compatible = "fsl,imx7d-usb",
+		.data = &imx_data,
 	}, {
 		/* sentinel */
 	},
diff --git a/drivers/usb/imx/imx-usb-phy.c b/drivers/usb/imx/imx-usb-phy.c
index 069dddcacb..c23a747d0b 100644
--- a/drivers/usb/imx/imx-usb-phy.c
+++ b/drivers/usb/imx/imx-usb-phy.c
@@ -57,6 +57,7 @@ static int imx_usbphy_phy_init(struct phy *phy)
 	int ret;
 
 	clk_enable(imxphy->clk);
+	mdelay(1);
 
 	ret = stmp_reset_block(imxphy->base + HW_USBPHY_CTRL, false);
 	if (ret)
diff --git a/drivers/watchdog/im28wd.c b/drivers/watchdog/im28wd.c
index 2b233ede20..6ebd97e5f5 100644
--- a/drivers/watchdog/im28wd.c
+++ b/drivers/watchdog/im28wd.c
@@ -229,9 +229,18 @@ static void imx28_wd_remove(struct device_d *dev)
 	free(priv);
 }
 
+static __maybe_unused struct of_device_id imx28_wdt_dt_ids[] = {
+	{
+		.compatible = "fsl,stmp3xxx-rtc",
+	}, {
+		/* sentinel */
+	}
+};
+
 static struct driver_d imx28_wd_driver = {
 	.name   = "im28wd",
 	.probe  = imx28_wd_probe,
 	.remove = imx28_wd_remove,
+	.of_compatible = DRV_OF_COMPAT(imx28_wdt_dt_ids),
 };
 device_platform_driver(imx28_wd_driver);