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Message-ID: <1563179389.31375.2.camel@mtksdaap41>
Date: Mon, 15 Jul 2019 16:29:49 +0800
From: CK Hu <ck.hu@...iatek.com>
To: Macpaul Lin <macpaul.lin@...iatek.com>
CC: Rob Herring <robh+dt@...nel.org>,
Marc Zyngier <marc.zyngier@....com>,
Ryder Lee <ryder.lee@...iatek.com>,
Stephen Boyd <sboyd@...nel.org>,
"Sean Wang" <sean.wang@...iatek.com>,
Mars Cheng <mars.cheng@...iatek.com>,
"Owen Chen" <owen.chen@...iatek.com>,
Matthias Brugger <matthias.bgg@...il.com>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-mediatek@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
CC Hwang <cc.hwang@...iatek.com>, <wsd_upstream@...iatek.com>,
Loda Chou <loda.chou@...iatek.com>,
<linux-serial@...r.kernel.org>, <linux-clk@...r.kernel.org>
Subject: Re: [PATCH v6 7/8] arm64: dts: mediatek: add mt6765 support
Hi, Macpaul:
On Fri, 2019-07-12 at 17:43 +0800, Macpaul Lin wrote:
> From: Mars Cheng <mars.cheng@...iatek.com>
>
> Add basic chip support for Mediatek 6765, include
> uart node with correct uart clocks, pwrap device
>
> Add clock controller nodes, include topckgen, infracfg,
> apmixedsys and subsystem.
>
> Signed-off-by: Mars Cheng <mars.cheng@...iatek.com>
> Signed-off-by: Owen Chen <owen.chen@...iatek.com>
> Signed-off-by: Macpaul Lin <macpaul.lin@...iatek.com>
> Acked-by: Marc Zyngier <marc.zyngier@....com>
> ---
> arch/arm64/boot/dts/mediatek/Makefile | 1 +
> arch/arm64/boot/dts/mediatek/mt6765-evb.dts | 33 +++
> arch/arm64/boot/dts/mediatek/mt6765.dtsi | 253 ++++++++++++++++++++
> 3 files changed, 287 insertions(+)
> create mode 100644 arch/arm64/boot/dts/mediatek/mt6765-evb.dts
> create mode 100644 arch/arm64/boot/dts/mediatek/mt6765.dtsi
>
> diff --git a/arch/arm64/boot/dts/mediatek/Makefile b/arch/arm64/boot/dts/mediatek/Makefile
> index 458bbc422a94..22bdf1a99a62 100644
> --- a/arch/arm64/boot/dts/mediatek/Makefile
> +++ b/arch/arm64/boot/dts/mediatek/Makefile
> @@ -1,6 +1,7 @@
> # SPDX-License-Identifier: GPL-2.0
> dtb-$(CONFIG_ARCH_MEDIATEK) += mt2712-evb.dtb
> dtb-$(CONFIG_ARCH_MEDIATEK) += mt6755-evb.dtb
> +dtb-$(CONFIG_ARCH_MEDIATEK) += mt6765-evb.dtb
> dtb-$(CONFIG_ARCH_MEDIATEK) += mt6795-evb.dtb
> dtb-$(CONFIG_ARCH_MEDIATEK) += mt6797-evb.dtb
> dtb-$(CONFIG_ARCH_MEDIATEK) += mt6797-x20-dev.dtb
> diff --git a/arch/arm64/boot/dts/mediatek/mt6765-evb.dts b/arch/arm64/boot/dts/mediatek/mt6765-evb.dts
> new file mode 100644
> index 000000000000..36dddff2b7f8
> --- /dev/null
> +++ b/arch/arm64/boot/dts/mediatek/mt6765-evb.dts
> @@ -0,0 +1,33 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * dts file for Mediatek MT6765
> + *
> + * (C) Copyright 2018. Mediatek, Inc.
> + *
> + * Mars Cheng <mars.cheng@...iatek.com>
> + */
> +
> +/dts-v1/;
> +#include "mt6765.dtsi"
> +
> +/ {
> + model = "MediaTek MT6765 EVB";
> + compatible = "mediatek,mt6765-evb", "mediatek,mt6765";
> +
> + aliases {
> + serial0 = &uart0;
> + };
> +
> + memory@...00000 {
> + device_type = "memory";
> + reg = <0 0x40000000 0 0x1e800000>;
> + };
> +
> + chosen {
> + stdout-path = "serial0:921600n8";
> + };
> +};
> +
> +&uart0 {
> + status = "okay";
> +};
> diff --git a/arch/arm64/boot/dts/mediatek/mt6765.dtsi b/arch/arm64/boot/dts/mediatek/mt6765.dtsi
> new file mode 100644
> index 000000000000..2662470fe607
> --- /dev/null
> +++ b/arch/arm64/boot/dts/mediatek/mt6765.dtsi
> @@ -0,0 +1,253 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * dts file for Mediatek MT6765
> + *
> + * (C) Copyright 2018. Mediatek, Inc.
> + *
> + * Mars Cheng <mars.cheng@...iatek.com>
> + */
> +
> +#include <dt-bindings/interrupt-controller/irq.h>
> +#include <dt-bindings/interrupt-controller/arm-gic.h>
> +#include <dt-bindings/clock/mt6765-clk.h>
> +
> +/ {
> + compatible = "mediatek,mt6765";
> + interrupt-parent = <&sysirq>;
> + #address-cells = <2>;
> + #size-cells = <2>;
> +
> + psci {
> + compatible = "arm,psci-0.2";
> + method = "smc";
> + };
> +
> + cpus {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + cpu@0 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a53";
> + enable-method = "psci";
> + reg = <0x000>;
> + };
> +
> + cpu@1 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a53";
> + enable-method = "psci";
> + reg = <0x001>;
> + };
> +
> + cpu@2 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a53";
> + enable-method = "psci";
> + reg = <0x002>;
> + };
> +
> + cpu@3 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a53";
> + enable-method = "psci";
> + reg = <0x003>;
> + };
> +
> + cpu@100 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a53";
> + enable-method = "psci";
> + reg = <0x100>;
> + };
> +
> + cpu@101 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a53";
> + enable-method = "psci";
> + reg = <0x101>;
> + };
> +
> + cpu@102 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a53";
> + enable-method = "psci";
> + reg = <0x102>;
> + };
> +
> + cpu@103 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a53";
> + enable-method = "psci";
> + reg = <0x103>;
> + };
> + };
> +
> + clocks {
> + clk26m: clk26m {
> + compatible = "fixed-clock";
> + #clock-cells = <0>;
> + clock-frequency = <26000000>;
> + };
> +
> + clk32k: clk32k {
> + compatible = "fixed-clock";
> + #clock-cells = <0>;
> + clock-frequency = <32000>;
> + };
> + };
> +
> + timer {
> + compatible = "arm,armv8-timer";
> + interrupt-parent = <&gic>;
> + interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_LOW>,
> + <GIC_PPI 14 IRQ_TYPE_LEVEL_LOW>,
> + <GIC_PPI 11 IRQ_TYPE_LEVEL_LOW>,
> + <GIC_PPI 10 IRQ_TYPE_LEVEL_LOW>;
> + };
> +
> + soc {
> + #address-cells = <2>;
> + #size-cells = <2>;
> + compatible = "simple-bus";
> + ranges;
> +
> + gic: interrupt-controller@...0000 {
> + compatible = "arm,gic-v3";
> + #interrupt-cells = <3>;
> + #address-cells = <2>;
> + #size-cells = <2>;
> + interrupt-parent = <&gic>;
> + interrupt-controller;
> + reg = <0 0x0c000000 0 0x40000>, /* GICD */
> + <0 0x0c100000 0 0x200000>, /* GICR */
> + <0 0x0c400000 0 0x2000>, /* GICC */
> + <0 0x0c410000 0 0x2000>, /* GICH */
> + <0 0x0c420000 0 0x20000>; /* GICV */
> + interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
> + };
> +
> + topckgen: syscon@...00000 {
> + compatible = "mediatek,mt6765-topckgen", "syscon";
> + reg = <0 0x10000000 0 0x1000>;
> + #clock-cells = <1>;
> + };
> +
> + infracfg: syscon@...01000 {
> + compatible = "mediatek,mt6765-infracfg", "syscon";
> + reg = <0 0x10001000 0 0x1000>;
> + interrupts = <GIC_SPI 147 IRQ_TYPE_EDGE_RISING>;
> + #clock-cells = <1>;
> + };
> +
> + pericfg: pericfg@...03000 {
> + compatible = "mediatek,mt6765-pericfg", "syscon";
> + reg = <0 0x10003000 0 0x1000>;
> + };
> +
> + scpsys: scpsys@...06000 {
> + compatible = "mediatek,mt6765-scpsys";
> + reg = <0 0x10006000 0 0x1000>; /* spm */
> + #power-domain-cells = <1>;
> + clocks = <&topckgen CLK_TOP_MFG_SEL>,
> + <&topckgen CLK_TOP_MM_SEL>,
> + <&mmsys_config CLK_MM_SMI_COMMON>,
> + <&mmsys_config CLK_MM_SMI_COMM0>,
> + <&mmsys_config CLK_MM_SMI_COMM1>,
> + <&mmsys_config CLK_MM_SMI_LARB0>,
I think you should remove subsys clock in scpsys device node. I've
discussed in [1].
[1] https://patchwork.kernel.org/patch/11005731/
Regards,
CK
> + <&imgsys CLK_IMG_LARB2>,
> + <&mmsys_config CLK_MM_SMI_IMG>,
> + <&camsys CLK_CAM_LARB3>,
> + <&camsys CLK_CAM_DFP_VAD>,
> + <&camsys CLK_CAM>,
> + <&camsys CLK_CAM_CCU>,
> + <&mmsys_config CLK_MM_SMI_CAM>;
> + clock-names = "mfg", "mm",
> + "mm-0", "mm-1", "mm-2", "mm-3",
> + "isp-0", "isp-1", "cam-0", "cam-1",
> + "cam-2", "cam-3", "cam-4";
> + infracfg = <&infracfg>;
> + smi_comm = <&smi_common>;
> + };
> +
> + apmixed: syscon@...0c000 {
> + compatible = "mediatek,mt6765-apmixedsys", "syscon";
> + reg = <0 0x1000c000 0 0x1000>;
> + #clock-cells = <1>;
> + };
> +
> + sysirq: interrupt-controller@...00a80 {
> + compatible = "mediatek,mt6765-sysirq",
> + "mediatek,mt6577-sysirq";
> + interrupt-controller;
> + #interrupt-cells = <3>;
> + interrupt-parent = <&gic>;
> + reg = <0 0x10200a80 0 0x50>;
> + };
> +
> + uart0: serial@...02000 {
> + compatible = "mediatek,mt6765-uart",
> + "mediatek,mt6577-uart";
> + reg = <0 0x11002000 0 0x400>;
> + interrupts = <GIC_SPI 91 IRQ_TYPE_LEVEL_LOW>;
> + clocks = <&infracfg CLK_IFR_UART0>,
> + <&infracfg CLK_IFR_AP_DMA>;
> + clock-names = "baud", "bus";
> + status = "disabled";
> + };
> +
> + uart1: serial@...03000 {
> + compatible = "mediatek,mt6765-uart",
> + "mediatek,mt6577-uart";
> + reg = <0 0x11003000 0 0x400>;
> + interrupts = <GIC_SPI 92 IRQ_TYPE_LEVEL_LOW>;
> + clocks = <&infracfg CLK_IFR_UART1>,
> + <&infracfg CLK_IFR_AP_DMA>;
> + clock-names = "baud", "bus";
> + status = "disabled";
> + };
> +
> + audio: syscon@...20000 {
> + compatible = "mediatek,mt6765-audsys", "syscon";
> + reg = <0 0x11220000 0 0x1000>;
> + #clock-cells = <1>;
> + };
> +
> + mipi_rx_ana_csi0a: syscon@...10000 {
> + compatible = "mediatek,mt6765-mipi0a",
> + "syscon";
> + reg = <0 0x11c10000 0 0x1000>;
> + #clock-cells = <1>;
> + };
> +
> + mmsys_config: syscon@...00000 {
> + compatible = "mediatek,mt6765-mmsys", "syscon";
> + reg = <0 0x14000000 0 0x1000>;
> + interrupts = <GIC_SPI 227 IRQ_TYPE_LEVEL_LOW>;
> + #clock-cells = <1>;
> + };
> +
> + smi_common: smi_common@...02000 {
> + compatible = "mediatek,mt6765-smi-common", "syscon";
> + reg = <0 0x14002000 0 0x1000>;
> + };
> +
> + imgsys: syscon@...20000 {
> + compatible = "mediatek,mt6765-imgsys", "syscon";
> + reg = <0 0x15020000 0 0x1000>;
> + #clock-cells = <1>;
> + };
> +
> + venc_gcon: syscon@...00000 {
> + compatible = "mediatek,mt6765-vcodecsys", "syscon";
> + reg = <0 0x17000000 0 0x10000>;
> + #clock-cells = <1>;
> + };
> +
> + camsys: syscon@...00000 {
> + compatible = "mediatek,mt6765-camsys", "syscon";
> + reg = <0 0x1a000000 0 0x1000>;
> + #clock-cells = <1>;
> + };
> + }; /* end of soc */
> +};
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