Thread (7 messages) 7 messages, 2 authors, 2018-05-08

[PATCH v2 1/2] arm64: dts: Add msm8998 SoC and MTP board support

From: Stephen Boyd <hidden>
Date: 2018-05-07 23:00:01
Also in: linux-arm-msm, linux-devicetree, lkml

Quoting Bjorn Andersson (2018-04-27 22:42:47)
quoted hunk ↗ jump to hunk
diff --git a/arch/arm64/boot/dts/qcom/msm8998.dtsi b/arch/arm64/boot/dts/qcom/msm8998.dtsi
new file mode 100644
index 000000000000..d6665e4f801f
--- /dev/null
+++ b/arch/arm64/boot/dts/qcom/msm8998.dtsi
@@ -0,0 +1,340 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2016, The Linux Foundation. All rights reserved. */
+
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/clock/qcom,gcc-msm8998.h>
+
+/ {
+       model = "Qualcomm Technologies, Inc. MSM 8998";
+
+       interrupt-parent = <&intc>;
+
+       qcom,msm-id = <292 0x0>;
No update to dtbtool?
+
+       #address-cells = <2>;
+       #size-cells = <2>;
+
+       chosen { };
+
+       memory {
+               device_type = "memory";
+               /* We expect the bootloader to fill in the reg */
+               reg = <0 0 0 0>;
+       };
+
+       cpus {
+               #address-cells = <2>;
+               #size-cells = <0>;
+
+               CPU0: cpu at 0 {
+                       device_type = "cpu";
+                       compatible = "arm,armv8";
+                       reg = <0x0 0x0>;
+                       enable-method = "psci";
+                       efficiency = <1024>;
+                       next-level-cache = <&L2_0>;
+                       L2_0: l2-cache {
+                               compatible = "arm,arch-cache";
+                               cache-level = <2>;
+                       };
+                       L1_I_0: l1-icache {
+                               compatible = "arm,arch-cache";
+                       };
+                       L1_D_0: l1-dcache {
+                               compatible = "arm,arch-cache";
+                       };
+               };
+
+               CPU1: cpu at 1 {
+                       device_type = "cpu";
+                       compatible = "arm,armv8";
+                       reg = <0x0 0x1>;
+                       enable-method = "psci";
+                       efficiency = <1024>;
+                       next-level-cache = <&L2_0>;
+                       L1_I_1: l1-icache {
+                               compatible = "arm,arch-cache";
+                       };
+                       L1_D_1: l1-dcache {
+                               compatible = "arm,arch-cache";
+                       };
+               };
+
+               CPU2: cpu at 2 {
+                       device_type = "cpu";
+                       compatible = "arm,armv8";
+                       reg = <0x0 0x2>;
+                       enable-method = "psci";
+                       efficiency = <1024>;
+                       next-level-cache = <&L2_0>;
+                       L1_I_2: l1-icache {
+                               compatible = "arm,arch-cache";
+                       };
+                       L1_D_2: l1-dcache {
+                               compatible = "arm,arch-cache";
+                       };
+               };
+
+               CPU3: cpu at 3 {
+                       device_type = "cpu";
+                       compatible = "arm,armv8";
+                       reg = <0x0 0x3>;
+                       enable-method = "psci";
+                       efficiency = <1024>;
+                       next-level-cache = <&L2_0>;
+                       L1_I_3: l1-icache {
+                               compatible = "arm,arch-cache";
+                       };
+                       L1_D_3: l1-dcache {
+                               compatible = "arm,arch-cache";
+                       };
+               };
+
+               CPU4: cpu at 100 {
+                       device_type = "cpu";
+                       compatible = "arm,armv8";
+                       reg = <0x0 0x100>;
+                       enable-method = "psci";
+                       efficiency = <1536>;
+                       next-level-cache = <&L2_1>;
+                       L2_1: l2-cache {
+                               compatible = "arm,arch-cache";
+                               cache-level = <2>;
+                       };
+                       L1_I_100: l1-icache {
+                               compatible = "arm,arch-cache";
+                       };
+                       L1_D_100: l1-dcache {
+                               compatible = "arm,arch-cache";
+                       };
+               };
+
+               CPU5: cpu at 101 {
+                       device_type = "cpu";
+                       compatible = "arm,armv8";
+                       reg = <0x0 0x101>;
+                       enable-method = "psci";
+                       efficiency = <1536>;
+                       next-level-cache = <&L2_1>;
+                       L1_I_101: l1-icache {
+                               compatible = "arm,arch-cache";
+                       };
+                       L1_D_101: l1-dcache {
+                               compatible = "arm,arch-cache";
+                       };
+               };
+
+               CPU6: cpu at 102 {
+                       device_type = "cpu";
+                       compatible = "arm,armv8";
+                       reg = <0x0 0x102>;
+                       enable-method = "psci";
+                       efficiency = <1536>;
+                       next-level-cache = <&L2_1>;
+                       L1_I_102: l1-icache {
+                               compatible = "arm,arch-cache";
+                       };
+                       L1_D_102: l1-dcache {
+                               compatible = "arm,arch-cache";
+                       };
+               };
+
+               CPU7: cpu at 103 {
+                       device_type = "cpu";
+                       compatible = "arm,armv8";
+                       reg = <0x0 0x103>;
+                       enable-method = "psci";
+                       efficiency = <1536>;
+                       next-level-cache = <&L2_1>;
+                       L1_I_103: l1-icache {
+                               compatible = "arm,arch-cache";
+                       };
+                       L1_D_103: l1-dcache {
+                               compatible = "arm,arch-cache";
+                       };
+               };
+
+               cpu-map {
+                       cluster0 {
+                               core0 {
+                                       cpu = <&CPU0>;
+                               };
+
+                               core1 {
+                                       cpu = <&CPU1>;
+                               };
+
+                               core2 {
+                                       cpu = <&CPU2>;
+                               };
+
+                               core3 {
+                                       cpu = <&CPU3>;
+                               };
+                       };
+
+                       cluster1 {
+                               core0 {
+                                       cpu = <&CPU4>;
+                               };
+
+                               core1 {
+                                       cpu = <&CPU5>;
+                               };
+
+                               core2 {
+                                       cpu = <&CPU6>;
+                               };
+
+                               core3 {
+                                       cpu = <&CPU7>;
+                               };
+                       };
+               };
I still wonder if this is accurate, but OK.
+       };
+
+       timer {
+               compatible = "arm,armv8-timer";
+               interrupts = <GIC_PPI 1 IRQ_TYPE_LEVEL_LOW>,
+                            <GIC_PPI 2 IRQ_TYPE_LEVEL_LOW>,
+                            <GIC_PPI 3 IRQ_TYPE_LEVEL_LOW>,
+                            <GIC_PPI 0 IRQ_TYPE_LEVEL_LOW>;
+       };
+
+       clocks {
+               xo_board {
+                       compatible = "fixed-clock";
+                       #clock-cells = <0>;
+                       clock-frequency = <19200000>;
+               };
+
+               sleep_clk {
+                       compatible = "fixed-clock";
+                       #clock-cells = <0>;
+                       clock-frequency = <32764>;
+               };
+       };
+
+       psci {
+               compatible = "arm,psci-1.0";
+               method = "smc";
+       };
+
+       soc: soc {};
+};
+
+&soc {
+       #address-cells = <1>;
+       #size-cells = <1>;
+       ranges = <0 0 0 0xffffffff>;
+       compatible = "simple-bus";
+
+       intc: interrupt-controller at 17a00000 {
+               compatible = "arm,gic-v3";
+               reg = <0x17a00000 0x10000>,       /* GICD */
+                     <0x17b00000 0x100000>;      /* GICR * 8 */
+               #interrupt-cells = <3>;
+               #address-cells = <1>;
+               #size-cells = <1>;
+               ranges;
+               interrupt-controller;
+               #redistributor-regions = <1>;
+               redistributor-stride = <0x0 0x20000>;
Is this needed? The redistributor stuff can be left out if there's only
one right?
+               interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
+       };
+
+       blsp2_uart1: serial at c1b0000 {
Clk name says uart2 though?
+               compatible = "qcom,msm-uartdm-v1.4", "qcom,msm-uartdm";
+               reg = <0xc1b0000 0x1000>;
+               interrupts = <GIC_SPI 114 IRQ_TYPE_LEVEL_HIGH>;
+               clocks = <&gcc GCC_BLSP2_UART2_APPS_CLK>,
+                        <&gcc GCC_BLSP2_AHB_CLK>;
+               clock-names = "core", "iface";
+               status = "disabled";
+       };
+
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