Subject: SoC: add qualcomm syscon
From: Christian Lamparter <[email-masked]>

--- a/drivers/soc/qcom/Makefile
+++ b/drivers/soc/qcom/Makefile
@@ -21,6 +21,7 @@ obj-$(CONFIG_QCOM_SMP2P)	+= smp2p.o
 obj-$(CONFIG_QCOM_SMSM)	+= smsm.o
 obj-$(CONFIG_QCOM_SOCINFO)	+= socinfo.o
 obj-$(CONFIG_QCOM_WCNSS_CTRL) += wcnss_ctrl.o
+obj-$(CONFIG_QCOM_TCSR)	 += qcom_tcsr.o
 obj-$(CONFIG_QCOM_APR) += apr.o
 obj-$(CONFIG_QCOM_LLCC) += llcc-qcom.o
 obj-$(CONFIG_QCOM_RPMHPD) += rpmhpd.o
--- a/drivers/soc/qcom/Kconfig
+++ b/drivers/soc/qcom/Kconfig
@@ -191,6 +191,13 @@ config QCOM_SOCINFO
 	 Say yes here to support the Qualcomm socinfo driver, providing
 	 information about the SoC to user space.
 
+config QCOM_TCSR
+	tristate "QCOM Top Control and Status Registers"
+	depends on ARCH_QCOM
+	help
+	  Say y here to enable TCSR support.  The TCSR provides control
+	  functions for various peripherals.
+
 config QCOM_WCNSS_CTRL
 	tristate "Qualcomm WCNSS control driver"
 	depends on ARCH_QCOM || COMPILE_TEST
--- /dev/null
+++ b/drivers/soc/qcom/qcom_tcsr.c
@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2014, The Linux foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License rev 2 and
+ * only rev 2 as published by the free Software foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or fITNESS fOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_platform.h>
+#include <linux/platform_device.h>
+
+#define TCSR_USB_PORT_SEL	0xb0
+
+static int tcsr_probe(struct platform_device *pdev)
+{
+	struct resource *res;
+	const struct device_node *node = pdev->dev.of_node;
+	void __iomem *base;
+	u32 val;
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	base = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(base))
+		return PTR_ERR(base);
+
+	if (!of_property_read_u32(node, "qcom,usb-ctrl-select", &val)) {
+		dev_err(&pdev->dev, "setting usb port select = %d\n", val);
+		writel(val, base + TCSR_USB_PORT_SEL);
+	}
+
+	return 0;
+}
+
+static const struct of_device_id tcsr_dt_match[] = {
+	{ .compatible = "qcom,tcsr", },
+	{ },
+};
+
+MODULE_DEVICE_TABLE(of, tcsr_dt_match);
+
+static struct platform_driver tcsr_driver = {
+	.driver = {
+		.name		= "tcsr",
+		.owner		= THIS_MODULE,
+		.of_match_table	= tcsr_dt_match,
+	},
+	.probe = tcsr_probe,
+};
+
+module_platform_driver(tcsr_driver);
+
+MODULE_AUTHOR("Andy Gross <[email-masked]>");
+MODULE_DESCRIPTION("QCOM TCSR driver");
+MODULE_LICENSE("GPL v2");
--- /dev/null
+++ b/include/dt-bindings/soc/qcom,tcsr.h
@@ -0,0 +1,23 @@
+/* Copyright (c) 2014, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+#ifndef __DT_BINDINGS_QCOM_TCSR_H
+#define __DT_BINDINGS_QCOM_TCSR_H
+
+#define TCSR_USB_SELECT_USB3_P0		0x1
+#define TCSR_USB_SELECT_USB3_P1		0x2
+#define TCSR_USB_SELECT_USB3_DUAL	0x3
+
+/* TCSR A/B REG */
+#define IPQ806X_TCSR_REG_A_ADM_CRCI_MUX_SEL     0
+#define IPQ806X_TCSR_REG_B_ADM_CRCI_MUX_SEL     1
+
+#endif