From: Christian Lamparter Subject: SoC: add qualcomm syscon --- a/drivers/soc/qcom/Kconfig +++ b/drivers/soc/qcom/Kconfig @@ -248,4 +248,11 @@ config QCOM_ICC_BWMON the fixed bandwidth votes from cpufreq (CPU nodes) thus achieve high memory throughput even with lower CPU frequencies. +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. + endmenu --- a/drivers/soc/qcom/Makefile +++ b/drivers/soc/qcom/Makefile @@ -29,3 +29,4 @@ obj-$(CONFIG_QCOM_RPMHPD) += rpmhpd.o obj-$(CONFIG_QCOM_RPMPD) += rpmpd.o obj-$(CONFIG_QCOM_KRYO_L2_ACCESSORS) += kryo-l2-accessors.o obj-$(CONFIG_QCOM_ICC_BWMON) += icc-bwmon.o +obj-$(CONFIG_QCOM_TCSR) += qcom_tcsr.o --- /dev/null +++ b/drivers/soc/qcom/qcom_tcsr.c @@ -0,0 +1,98 @@ +/* + * 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 +#include +#include +#include +#include +#include +#include + +#define TCSR_USB_PORT_SEL 0xb0 +#define TCSR_USB_HSPHY_CONFIG 0xC + +#define TCSR_ESS_INTERFACE_SEL_OFFSET 0x0 +#define TCSR_ESS_INTERFACE_SEL_MASK 0xf + +#define TCSR_WIFI0_GLB_CFG_OFFSET 0x0 +#define TCSR_WIFI1_GLB_CFG_OFFSET 0x4 +#define TCSR_PNOC_SNOC_MEMTYPE_M0_M2 0x4 + +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); + } + + if (!of_property_read_u32(node, "qcom,usb-hsphy-mode-select", &val)) { + dev_info(&pdev->dev, "setting usb hs phy mode select = %x\n", val); + writel(val, base + TCSR_USB_HSPHY_CONFIG); + } + + if (!of_property_read_u32(node, "qcom,ess-interface-select", &val)) { + u32 tmp = 0; + dev_info(&pdev->dev, "setting ess interface select = %x\n", val); + tmp = readl(base + TCSR_ESS_INTERFACE_SEL_OFFSET); + tmp = tmp & (~TCSR_ESS_INTERFACE_SEL_MASK); + tmp = tmp | (val&TCSR_ESS_INTERFACE_SEL_MASK); + writel(tmp, base + TCSR_ESS_INTERFACE_SEL_OFFSET); + } + + if (!of_property_read_u32(node, "qcom,wifi_glb_cfg", &val)) { + dev_info(&pdev->dev, "setting wifi_glb_cfg = %x\n", val); + writel(val, base + TCSR_WIFI0_GLB_CFG_OFFSET); + writel(val, base + TCSR_WIFI1_GLB_CFG_OFFSET); + } + + if (!of_property_read_u32(node, "qcom,wifi_noc_memtype_m0_m2", &val)) { + dev_info(&pdev->dev, + "setting wifi_noc_memtype_m0_m2 = %x\n", val); + writel(val, base + TCSR_PNOC_SNOC_MEMTYPE_M0_M2); + } + + 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 "); +MODULE_DESCRIPTION("QCOM TCSR driver"); +MODULE_LICENSE("GPL v2"); --- /dev/null +++ b/include/dt-bindings/soc/qcom,tcsr.h @@ -0,0 +1,48 @@ +/* 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 + +/* IPQ40xx HS PHY Mode Select */ +#define TCSR_USB_HSPHY_HOST_MODE 0x00E700E7 +#define TCSR_USB_HSPHY_DEVICE_MODE 0x00C700E7 + +/* IPQ40xx ess interface mode select */ +#define TCSR_ESS_PSGMII 0 +#define TCSR_ESS_PSGMII_RGMII5 1 +#define TCSR_ESS_PSGMII_RMII0 2 +#define TCSR_ESS_PSGMII_RMII1 4 +#define TCSR_ESS_PSGMII_RMII0_RMII1 6 +#define TCSR_ESS_PSGMII_RGMII4 9 + +/* + * IPQ40xx WiFi Global Config + * Bit 30:AXID_EN + * Enable AXI master bus Axid translating to confirm all txn submitted by order + * Bit 24: Use locally generated socslv_wxi_bvalid + * 1: use locally generate socslv_wxi_bvalid for performance. + * 0: use SNOC socslv_wxi_bvalid. + */ +#define TCSR_WIFI_GLB_CFG 0x41000000 + +/* IPQ40xx MEM_TYPE_SEL_M0_M2 Select Bit 26:24 - 2 NORMAL */ +#define TCSR_WIFI_NOC_MEMTYPE_M0_M2 0x02222222 + +/* 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