1 files changed, 53 insertions, 9 deletions

diff --git a/arch/arm/mach-imx/mach-imx6q.c b/arch/arm/mach-imx/mach-imx6q.c
index da6c1d9af768..b47e98b7d539 100644
--- a/arch/arm/mach-imx/mach-imx6q.c
+++ b/arch/arm/mach-imx/mach-imx6q.c
@@ -10,6 +10,8 @@
  * http://www.gnu.org/copyleft/gpl.html
  */
 
+#include <linux/clk.h>
+#include <linux/clkdev.h>
 #include <linux/delay.h>
 #include <linux/init.h>
 #include <linux/io.h>
@@ -19,6 +21,7 @@
 #include <linux/of_address.h>
 #include <linux/of_irq.h>
 #include <linux/of_platform.h>
+#include <linux/pinctrl/machine.h>
 #include <linux/phy.h>
 #include <linux/micrel_phy.h>
 #include <asm/smp_twd.h>
@@ -63,23 +66,63 @@ soft:
 /* For imx6q sabrelite board: set KSZ9021RN RGMII pad skew */
 static int ksz9021rn_phy_fixup(struct phy_device *phydev)
 {
-	/* min rx data delay */
-	phy_write(phydev, 0x0b, 0x8105);
-	phy_write(phydev, 0x0c, 0x0000);
+	if (IS_ENABLED(CONFIG_PHYLIB)) {
+		/* min rx data delay */
+		phy_write(phydev, 0x0b, 0x8105);
+		phy_write(phydev, 0x0c, 0x0000);
 
-	/* max rx/tx clock delay, min rx/tx control delay */
-	phy_write(phydev, 0x0b, 0x8104);
-	phy_write(phydev, 0x0c, 0xf0f0);
-	phy_write(phydev, 0x0b, 0x104);
+		/* max rx/tx clock delay, min rx/tx control delay */
+		phy_write(phydev, 0x0b, 0x8104);
+		phy_write(phydev, 0x0c, 0xf0f0);
+		phy_write(phydev, 0x0b, 0x104);
+	}
 
 	return 0;
 }
 
+static void __init imx6q_sabrelite_cko1_setup(void)
+{
+	struct clk *cko1_sel, *ahb, *cko1;
+	unsigned long rate;
+
+	cko1_sel = clk_get_sys(NULL, "cko1_sel");
+	ahb = clk_get_sys(NULL, "ahb");
+	cko1 = clk_get_sys(NULL, "cko1");
+	if (IS_ERR(cko1_sel) || IS_ERR(ahb) || IS_ERR(cko1)) {
+		pr_err("cko1 setup failed!\n");
+		goto put_clk;
+	}
+	clk_set_parent(cko1_sel, ahb);
+	rate = clk_round_rate(cko1, 16000000);
+	clk_set_rate(cko1, rate);
+	clk_register_clkdev(cko1, NULL, "0-000a");
+put_clk:
+	if (!IS_ERR(cko1_sel))
+		clk_put(cko1_sel);
+	if (!IS_ERR(ahb))
+		clk_put(ahb);
+	if (!IS_ERR(cko1))
+		clk_put(cko1);
+}
+
+static void __init imx6q_sabrelite_init(void)
+{
+	if (IS_ENABLED(CONFIG_PHYLIB))
+		phy_register_fixup_for_uid(PHY_ID_KSZ9021, MICREL_PHY_ID_MASK,
+				ksz9021rn_phy_fixup);
+	imx6q_sabrelite_cko1_setup();
+}
+
 static void __init imx6q_init_machine(void)
 {
+	/*
+	 * This should be removed when all imx6q boards have pinctrl
+	 * states for devices defined in device tree.
+	 */
+	pinctrl_provide_dummies();
+
 	if (of_machine_is_compatible("fsl,imx6q-sabrelite"))
-		phy_register_fixup_for_uid(PHY_ID_KSZ9021, MICREL_PHY_ID_MASK,
-					   ksz9021rn_phy_fixup);
+		imx6q_sabrelite_init();
 
 	of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
 
@@ -132,6 +175,7 @@ static struct sys_timer imx6q_timer = {
 static const char *imx6q_dt_compat[] __initdata = {
 	"fsl,imx6q-arm2",
 	"fsl,imx6q-sabrelite",
+	"fsl,imx6q-sabresd",
 	"fsl,imx6q",
 	NULL,
 };