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- From: Christian Lamparter <[email protected]>
- Subject: SoC: add qualcomm syscon
- --- a/drivers/soc/qcom/Makefile
- +++ b/drivers/soc/qcom/Makefile
- @@ -26,6 +26,7 @@ obj-$(CONFIG_QCOM_SOCINFO) += socinfo.o
- obj-$(CONFIG_QCOM_SPM) += spm.o
- obj-$(CONFIG_QCOM_STATS) += qcom_stats.o
- obj-$(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_KRYO_L2_ACCESSORS) += kryo-l2-accessors.o
- --- a/drivers/soc/qcom/Kconfig
- +++ b/drivers/soc/qcom/Kconfig
- @@ -252,6 +252,13 @@ config QCOM_STATS
- various SoC level low power modes statistics and export to debugfs
- interface.
-
- +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 protected]>");
- +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
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