target/linux/ipq806x/patches-4.19/850-soc-add-qualcomm-syscon.patch

   1 From: Christian Lamparter <chunkeey@googlemail.com>
   2 Subject: SoC: add qualcomm syscon
   3 --- a/drivers/soc/qcom/Makefile
   4 +++ b/drivers/soc/qcom/Makefile
   5 @@ -18,6 +18,7 @@ obj-$(CONFIG_QCOM_SMEM_STATE) += smem_st
   6  obj-$(CONFIG_QCOM_SMP2P)       += smp2p.o
   7  obj-$(CONFIG_QCOM_SMSM)        += smsm.o
   8  obj-$(CONFIG_QCOM_WCNSS_CTRL) += wcnss_ctrl.o
   9 +obj-$(CONFIG_QCOM_TCSR)         += qcom_tcsr.o
  10  obj-$(CONFIG_QCOM_APR) += apr.o
  11  obj-$(CONFIG_QCOM_LLCC) += llcc-slice.o
  12  obj-$(CONFIG_QCOM_SDM845_LLCC) += llcc-sdm845.o
  13 --- a/drivers/soc/qcom/Kconfig
  14 +++ b/drivers/soc/qcom/Kconfig
  15 @@ -146,6 +146,13 @@ config QCOM_SMSM
  16           Say yes here to support the Qualcomm Shared Memory State Machine.
  17           The state machine is represented by bits in shared memory.
  18
  19 +config QCOM_TCSR
  20 +       tristate "QCOM Top Control and Status Registers"
  21 +       depends on ARCH_QCOM
  22 +       help
  23 +         Say y here to enable TCSR support.  The TCSR provides control
  24 +         functions for various peripherals.
  25 +
  26  config QCOM_WCNSS_CTRL
  27         tristate "Qualcomm WCNSS control driver"
  28         depends on ARCH_QCOM
  29 --- /dev/null
  30 +++ b/drivers/soc/qcom/qcom_tcsr.c
  31 @@ -0,0 +1,64 @@
  32 +/*
  33 + * Copyright (c) 2014, The Linux foundation. All rights reserved.
  34 + *
  35 + * This program is free software; you can redistribute it and/or modify
  36 + * it under the terms of the GNU General Public License rev 2 and
  37 + * only rev 2 as published by the free Software foundation.
  38 + *
  39 + * This program is distributed in the hope that it will be useful,
  40 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
  41 + * MERCHANTABILITY or fITNESS fOR A PARTICULAR PURPOSE.  See the
  42 + * GNU General Public License for more details.
  43 + */
  44 +
  45 +#include <linux/clk.h>
  46 +#include <linux/err.h>
  47 +#include <linux/io.h>
  48 +#include <linux/module.h>
  49 +#include <linux/of.h>
  50 +#include <linux/of_platform.h>
  51 +#include <linux/platform_device.h>
  52 +
  53 +#define TCSR_USB_PORT_SEL      0xb0
  54 +
  55 +static int tcsr_probe(struct platform_device *pdev)
  56 +{
  57 +       struct resource *res;
  58 +       const struct device_node *node = pdev->dev.of_node;
  59 +       void __iomem *base;
  60 +       u32 val;
  61 +
  62 +       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
  63 +       base = devm_ioremap_resource(&pdev->dev, res);
  64 +       if (IS_ERR(base))
  65 +               return PTR_ERR(base);
  66 +
  67 +       if (!of_property_read_u32(node, "qcom,usb-ctrl-select", &val)) {
  68 +               dev_err(&pdev->dev, "setting usb port select = %d\n", val);
  69 +               writel(val, base + TCSR_USB_PORT_SEL);
  70 +       }
  71 +
  72 +       return 0;
  73 +}
  74 +
  75 +static const struct of_device_id tcsr_dt_match[] = {
  76 +       { .compatible = "qcom,tcsr", },
  77 +       { },
  78 +};
  79 +
  80 +MODULE_DEVICE_TABLE(of, tcsr_dt_match);
  81 +
  82 +static struct platform_driver tcsr_driver = {
  83 +       .driver = {
  84 +               .name           = "tcsr",
  85 +               .owner          = THIS_MODULE,
  86 +               .of_match_table = tcsr_dt_match,
  87 +       },
  88 +       .probe = tcsr_probe,
  89 +};
  90 +
  91 +module_platform_driver(tcsr_driver);
  92 +
  93 +MODULE_AUTHOR("Andy Gross <agross@codeaurora.org>");
  94 +MODULE_DESCRIPTION("QCOM TCSR driver");
  95 +MODULE_LICENSE("GPL v2");
  96 --- /dev/null
  97 +++ b/include/dt-bindings/soc/qcom,tcsr.h
  98 @@ -0,0 +1,23 @@
  99 +/* Copyright (c) 2014, The Linux Foundation. All rights reserved.
 100 + *
 101 + * This program is free software; you can redistribute it and/or modify
 102 + * it under the terms of the GNU General Public License version 2 and
 103 + * only version 2 as published by the Free Software Foundation.
 104 + *
 105 + * This program is distributed in the hope that it will be useful,
 106 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
 107 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 108 + * GNU General Public License for more details.
 109 + */
 110 +#ifndef __DT_BINDINGS_QCOM_TCSR_H
 111 +#define __DT_BINDINGS_QCOM_TCSR_H
 112 +
 113 +#define TCSR_USB_SELECT_USB3_P0                0x1
 114 +#define TCSR_USB_SELECT_USB3_P1                0x2
 115 +#define TCSR_USB_SELECT_USB3_DUAL      0x3
 116 +
 117 +/* TCSR A/B REG */
 118 +#define IPQ806X_TCSR_REG_A_ADM_CRCI_MUX_SEL     0
 119 +#define IPQ806X_TCSR_REG_B_ADM_CRCI_MUX_SEL     1
 120 +
 121 +#endif