Thread (22 messages) 22 messages, 3 authors, 2021-04-06

Re: [PATCH v8 3/4] arm64: dts: mediatek: add mt6765 support

From: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Date: 2021-03-09 16:09:15
Also in: linux-arm-kernel, linux-clk, linux-mediatek, lkml

Hi, Macpaul:

Macpaul Lin [off-list ref] 於 2020年2月21日 週五 下午6:22寫道:
quoted hunk ↗ jump to hunk
From: Mars Cheng <redacted>

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 <redacted>
Signed-off-by: Owen Chen <redacted>
Signed-off-by: Macpaul Lin <macpaul.lin@mediatek.com>
Acked-by: Marc Zyngier <redacted>
---
 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 458bbc4..22bdf1a 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 0000000..36dddff2
--- /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@mediatek.com>
+ */
+
+/dts-v1/;
+#include "mt6765.dtsi"
+
+/ {
+       model = "MediaTek MT6765 EVB";
+       compatible = "mediatek,mt6765-evb", "mediatek,mt6765";
+
+       aliases {
+               serial0 = &uart0;
+       };
+
+       memory@40000000 {
+               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 0000000..2662470
--- /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@mediatek.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>;
+
[snip]
+
+       soc {
+               #address-cells = <2>;
+               #size-cells = <2>;
+               compatible = "simple-bus";
+               ranges;
+
+               gic: interrupt-controller@c000000 {
+                       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@10000000 {
+                       compatible = "mediatek,mt6765-topckgen", "syscon";
+                       reg = <0 0x10000000 0 0x1000>;
+                       #clock-cells = <1>;
+               };
+
+               infracfg: syscon@10001000 {
+                       compatible = "mediatek,mt6765-infracfg", "syscon";
+                       reg = <0 0x10001000 0 0x1000>;
+                       interrupts = <GIC_SPI 147 IRQ_TYPE_EDGE_RISING>;
+                       #clock-cells = <1>;
+               };
+
+               pericfg: pericfg@10003000 {
+                       compatible = "mediatek,mt6765-pericfg", "syscon";
+                       reg = <0 0x10003000 0 0x1000>;
+               };
+
+               scpsys: scpsys@10006000 {
+                       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>,
+                                <&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@1000c000 {
+                       compatible = "mediatek,mt6765-apmixedsys", "syscon";
+                       reg = <0 0x1000c000 0 0x1000>;
+                       #clock-cells = <1>;
+               };
+
+               sysirq: interrupt-controller@10200a80 {
+                       compatible = "mediatek,mt6765-sysirq",
+                                    "mediatek,mt6577-sysirq";
+                       interrupt-controller;
+                       #interrupt-cells = <3>;
+                       interrupt-parent = <&gic>;
+                       reg = <0 0x10200a80 0 0x50>;
+               };
+
+               uart0: serial@11002000 {
+                       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@11003000 {
+                       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@11220000 {
+                       compatible = "mediatek,mt6765-audsys", "syscon";
+                       reg = <0 0x11220000 0 0x1000>;
+                       #clock-cells = <1>;
+               };
+
+               mipi_rx_ana_csi0a: syscon@11c10000 {
+                       compatible = "mediatek,mt6765-mipi0a",
+                                    "syscon";
+                       reg = <0 0x11c10000 0 0x1000>;
+                       #clock-cells = <1>;
+               };
+
+               mmsys_config: syscon@14000000 {
+                       compatible = "mediatek,mt6765-mmsys", "syscon";
+                       reg = <0 0x14000000 0 0x1000>;
+                       interrupts = <GIC_SPI 227 IRQ_TYPE_LEVEL_LOW>;
I does not see interrupts property in binding document [1], please add
this in binding document first.
I'm curious about this interrupt. In which condition would it be triggered?

[1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.txt?h=v5.12-rc2

Regards,
Chun-Kuang.
+                       #clock-cells = <1>;
+               };
+
+               smi_common: smi_common@14002000 {
+                       compatible = "mediatek,mt6765-smi-common", "syscon";
+                       reg = <0 0x14002000 0 0x1000>;
+               };
+
+               imgsys: syscon@15020000 {
+                       compatible = "mediatek,mt6765-imgsys", "syscon";
+                       reg = <0 0x15020000 0 0x1000>;
+                       #clock-cells = <1>;
+               };
+
+               venc_gcon: syscon@17000000 {
+                       compatible = "mediatek,mt6765-vcodecsys", "syscon";
+                       reg = <0 0x17000000 0 0x10000>;
+                       #clock-cells = <1>;
+               };
+
+               camsys: syscon@1a000000  {
+                       compatible = "mediatek,mt6765-camsys", "syscon";
+                       reg = <0 0x1a000000 0 0x1000>;
+                       #clock-cells = <1>;
+               };
+       }; /* end of soc */
+};
--
1.7.9.5
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