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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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74813cebd6
In Cygnus SOC touch screen controller registers are shared with ADC and flex timer. Using readl/writel could lead to race condition. So touch screen driver is enhanced to support register access using syscon framework API's to take care of mutually exclusive access. Signed-off-by: Raveendra Padasalagi <raveendra.padasalagi@broadcom.com> Reviewed-by: Ray Jui <ray.jui@broadcom.com> Reviewed-by: Scott Branden <scott.branden@broadcom.com> Acked-by: Rob Herring <robh@kernel.org> Acked-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
371 lines
9.4 KiB
Plaintext
371 lines
9.4 KiB
Plaintext
/*
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* BSD LICENSE
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*
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* Copyright(c) 2014 Broadcom Corporation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Broadcom Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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#include <dt-bindings/interrupt-controller/irq.h>
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#include <dt-bindings/clock/bcm-cygnus.h>
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#include "skeleton.dtsi"
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/ {
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compatible = "brcm,cygnus";
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model = "Broadcom Cygnus SoC";
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interrupt-parent = <&gic>;
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cpus {
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#address-cells = <1>;
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#size-cells = <0>;
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cpu@0 {
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device_type = "cpu";
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compatible = "arm,cortex-a9";
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next-level-cache = <&L2>;
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reg = <0x0>;
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};
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};
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/include/ "bcm-cygnus-clock.dtsi"
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core {
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compatible = "simple-bus";
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ranges = <0x00000000 0x19000000 0x1000000>;
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#address-cells = <1>;
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#size-cells = <1>;
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timer@20200 {
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compatible = "arm,cortex-a9-global-timer";
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reg = <0x20200 0x100>;
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interrupts = <GIC_PPI 11 IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&periph_clk>;
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};
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gic: interrupt-controller@21000 {
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compatible = "arm,cortex-a9-gic";
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#interrupt-cells = <3>;
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#address-cells = <0>;
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interrupt-controller;
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reg = <0x21000 0x1000>,
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<0x20100 0x100>;
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};
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L2: l2-cache {
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compatible = "arm,pl310-cache";
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reg = <0x22000 0x1000>;
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cache-unified;
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cache-level = <2>;
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};
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};
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axi {
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compatible = "simple-bus";
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ranges;
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#address-cells = <1>;
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#size-cells = <1>;
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pcie_phy: phy@0301d0a0 {
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compatible = "brcm,cygnus-pcie-phy";
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reg = <0x0301d0a0 0x14>;
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#address-cells = <1>;
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#size-cells = <0>;
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pcie0_phy: phy@0 {
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reg = <0>;
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#phy-cells = <0>;
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};
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pcie1_phy: phy@1 {
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reg = <1>;
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#phy-cells = <0>;
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};
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};
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pinctrl: pinctrl@0x0301d0c8 {
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compatible = "brcm,cygnus-pinmux";
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reg = <0x0301d0c8 0x30>,
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<0x0301d24c 0x2c>;
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};
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gpio_crmu: gpio@03024800 {
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compatible = "brcm,cygnus-crmu-gpio";
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reg = <0x03024800 0x50>,
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<0x03024008 0x18>;
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ngpios = <6>;
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#gpio-cells = <2>;
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gpio-controller;
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};
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i2c0: i2c@18008000 {
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compatible = "brcm,cygnus-iproc-i2c", "brcm,iproc-i2c";
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reg = <0x18008000 0x100>;
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#address-cells = <1>;
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#size-cells = <0>;
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interrupts = <GIC_SPI 85 IRQ_TYPE_NONE>;
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clock-frequency = <100000>;
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status = "disabled";
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};
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wdt0: wdt@18009000 {
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compatible = "arm,sp805" , "arm,primecell";
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reg = <0x18009000 0x1000>;
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interrupts = <GIC_SPI 91 IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&axi81_clk>;
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clock-names = "apb_pclk";
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};
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gpio_ccm: gpio@1800a000 {
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compatible = "brcm,cygnus-ccm-gpio";
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reg = <0x1800a000 0x50>,
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<0x0301d164 0x20>;
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ngpios = <24>;
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#gpio-cells = <2>;
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gpio-controller;
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interrupts = <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>;
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interrupt-controller;
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};
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i2c1: i2c@1800b000 {
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compatible = "brcm,cygnus-iproc-i2c", "brcm,iproc-i2c";
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reg = <0x1800b000 0x100>;
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#address-cells = <1>;
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#size-cells = <0>;
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interrupts = <GIC_SPI 86 IRQ_TYPE_NONE>;
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clock-frequency = <100000>;
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status = "disabled";
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};
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pcie0: pcie@18012000 {
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compatible = "brcm,iproc-pcie";
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reg = <0x18012000 0x1000>;
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#interrupt-cells = <1>;
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interrupt-map-mask = <0 0 0 0>;
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interrupt-map = <0 0 0 0 &gic GIC_SPI 100 IRQ_TYPE_NONE>;
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linux,pci-domain = <0>;
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bus-range = <0x00 0xff>;
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#address-cells = <3>;
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#size-cells = <2>;
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device_type = "pci";
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ranges = <0x81000000 0 0 0x28000000 0 0x00010000
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0x82000000 0 0x20000000 0x20000000 0 0x04000000>;
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phys = <&pcie0_phy>;
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phy-names = "pcie-phy";
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status = "disabled";
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msi-parent = <&msi0>;
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msi0: msi@18012000 {
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compatible = "brcm,iproc-msi";
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msi-controller;
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interrupt-parent = <&gic>;
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interrupts = <GIC_SPI 96 IRQ_TYPE_NONE>,
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<GIC_SPI 97 IRQ_TYPE_NONE>,
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<GIC_SPI 98 IRQ_TYPE_NONE>,
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<GIC_SPI 99 IRQ_TYPE_NONE>;
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};
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};
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pcie1: pcie@18013000 {
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compatible = "brcm,iproc-pcie";
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reg = <0x18013000 0x1000>;
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#interrupt-cells = <1>;
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interrupt-map-mask = <0 0 0 0>;
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interrupt-map = <0 0 0 0 &gic GIC_SPI 106 IRQ_TYPE_NONE>;
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linux,pci-domain = <1>;
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bus-range = <0x00 0xff>;
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#address-cells = <3>;
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#size-cells = <2>;
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device_type = "pci";
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ranges = <0x81000000 0 0 0x48000000 0 0x00010000
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0x82000000 0 0x40000000 0x40000000 0 0x04000000>;
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phys = <&pcie1_phy>;
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phy-names = "pcie-phy";
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status = "disabled";
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msi-parent = <&msi1>;
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msi1: msi@18013000 {
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compatible = "brcm,iproc-msi";
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msi-controller;
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interrupt-parent = <&gic>;
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interrupts = <GIC_SPI 102 IRQ_TYPE_NONE>,
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<GIC_SPI 103 IRQ_TYPE_NONE>,
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<GIC_SPI 104 IRQ_TYPE_NONE>,
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<GIC_SPI 105 IRQ_TYPE_NONE>;
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};
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};
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uart0: serial@18020000 {
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compatible = "snps,dw-apb-uart";
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reg = <0x18020000 0x100>;
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reg-shift = <2>;
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reg-io-width = <4>;
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interrupts = <GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&axi81_clk>;
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clock-frequency = <100000000>;
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status = "disabled";
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};
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uart1: serial@18021000 {
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compatible = "snps,dw-apb-uart";
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reg = <0x18021000 0x100>;
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reg-shift = <2>;
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reg-io-width = <4>;
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interrupts = <GIC_SPI 74 IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&axi81_clk>;
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clock-frequency = <100000000>;
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status = "disabled";
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};
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uart2: serial@18022000 {
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compatible = "snps,dw-apb-uart";
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reg = <0x18020000 0x100>;
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reg-shift = <2>;
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reg-io-width = <4>;
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interrupts = <GIC_SPI 75 IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&axi81_clk>;
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clock-frequency = <100000000>;
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status = "disabled";
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};
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uart3: serial@18023000 {
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compatible = "snps,dw-apb-uart";
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reg = <0x18023000 0x100>;
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reg-shift = <2>;
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reg-io-width = <4>;
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interrupts = <GIC_SPI 76 IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&axi81_clk>;
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clock-frequency = <100000000>;
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status = "disabled";
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};
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nand: nand@18046000 {
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compatible = "brcm,nand-iproc", "brcm,brcmnand-v6.1";
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reg = <0x18046000 0x600>, <0xf8105408 0x600>,
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<0x18046f00 0x20>;
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reg-names = "nand", "iproc-idm", "iproc-ext";
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interrupts = <GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>;
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#address-cells = <1>;
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#size-cells = <0>;
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brcm,nand-has-wp;
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};
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gpio_asiu: gpio@180a5000 {
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compatible = "brcm,cygnus-asiu-gpio";
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reg = <0x180a5000 0x668>;
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ngpios = <146>;
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#gpio-cells = <2>;
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gpio-controller;
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interrupt-controller;
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interrupts = <GIC_SPI 174 IRQ_TYPE_LEVEL_HIGH>;
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gpio-ranges = <&pinctrl 0 42 1>,
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<&pinctrl 1 44 3>,
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<&pinctrl 4 48 1>,
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<&pinctrl 5 50 3>,
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<&pinctrl 8 126 1>,
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<&pinctrl 9 155 1>,
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<&pinctrl 10 152 1>,
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<&pinctrl 11 154 1>,
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<&pinctrl 12 153 1>,
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<&pinctrl 13 127 3>,
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<&pinctrl 16 140 1>,
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<&pinctrl 17 145 7>,
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<&pinctrl 24 130 10>,
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<&pinctrl 34 141 4>,
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<&pinctrl 38 54 1>,
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<&pinctrl 39 56 3>,
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<&pinctrl 42 60 3>,
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<&pinctrl 45 64 3>,
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<&pinctrl 48 68 2>,
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<&pinctrl 50 84 6>,
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<&pinctrl 56 94 6>,
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<&pinctrl 62 72 1>,
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<&pinctrl 63 70 1>,
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<&pinctrl 64 80 1>,
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<&pinctrl 65 74 3>,
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<&pinctrl 68 78 1>,
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<&pinctrl 69 82 1>,
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<&pinctrl 70 156 17>,
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<&pinctrl 87 104 12>,
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<&pinctrl 99 102 2>,
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<&pinctrl 101 90 4>,
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<&pinctrl 105 116 6>,
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<&pinctrl 111 100 2>,
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<&pinctrl 113 122 4>,
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<&pinctrl 123 11 1>,
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<&pinctrl 124 38 4>,
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<&pinctrl 128 43 1>,
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<&pinctrl 129 47 1>,
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<&pinctrl 130 49 1>,
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<&pinctrl 131 53 1>,
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<&pinctrl 132 55 1>,
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<&pinctrl 133 59 1>,
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<&pinctrl 134 63 1>,
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<&pinctrl 135 67 1>,
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<&pinctrl 136 71 1>,
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<&pinctrl 137 73 1>,
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<&pinctrl 138 77 1>,
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<&pinctrl 139 79 1>,
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<&pinctrl 140 81 1>,
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<&pinctrl 141 83 1>,
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<&pinctrl 142 10 1>;
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};
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ts_adc_syscon: ts_adc_syscon@180a6000 {
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compatible = "brcm,iproc-ts-adc-syscon", "syscon";
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reg = <0x180a6000 0xc30>;
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};
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touchscreen: touchscreen@180a6000 {
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compatible = "brcm,iproc-touchscreen";
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#address-cells = <1>;
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#size-cells = <1>;
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ts_syscon = <&ts_adc_syscon>;
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clocks = <&asiu_clks BCM_CYGNUS_ASIU_ADC_CLK>;
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clock-names = "tsc_clk";
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interrupts = <GIC_SPI 164 IRQ_TYPE_LEVEL_HIGH>;
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status = "disabled";
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};
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};
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};
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