From 96bb0954860a4c8b8c77d59fc53cd4cafac914f5 Mon Sep 17 00:00:00 2001 From: Robin Murphy Date: Thu, 17 Feb 2022 19:11:03 +0000 Subject: [PATCH] arm64: dts: juno: Add separate SCMI variants While Juno's SCP firmware initially spoke the SCPI protocol, binary releases since 2018, and the newer open-source codebase, only speak SCMI and thus aren't particularly compatibile with the DTs we currently have upstream. Add a parallel set of variant DTs for boards with up-to-date firmware, replacing the SCPI parts with their new SCMI equivalents. Link: https://lore.kernel.org/r/f3516815104f951a05fc0f799681f77d7968f6ac.1645125063.git.robin.murphy@arm.com Signed-off-by: Robin Murphy Signed-off-by: Sudeep Holla --- arch/arm64/boot/dts/arm/Makefile | 2 +- arch/arm64/boot/dts/arm/juno-r1-scmi.dts | 23 ++++ arch/arm64/boot/dts/arm/juno-r2-scmi.dts | 23 ++++ arch/arm64/boot/dts/arm/juno-scmi.dts | 9 ++ arch/arm64/boot/dts/arm/juno-scmi.dtsi | 199 +++++++++++++++++++++++++++++++ 5 files changed, 255 insertions(+), 1 deletion(-) create mode 100644 arch/arm64/boot/dts/arm/juno-r1-scmi.dts create mode 100644 arch/arm64/boot/dts/arm/juno-r2-scmi.dts create mode 100644 arch/arm64/boot/dts/arm/juno-scmi.dts create mode 100644 arch/arm64/boot/dts/arm/juno-scmi.dtsi diff --git a/arch/arm64/boot/dts/arm/Makefile b/arch/arm64/boot/dts/arm/Makefile index 800da2e..4382b73 100644 --- a/arch/arm64/boot/dts/arm/Makefile +++ b/arch/arm64/boot/dts/arm/Makefile @@ -2,7 +2,7 @@ dtb-$(CONFIG_ARCH_VEXPRESS) += \ foundation-v8.dtb foundation-v8-psci.dtb \ foundation-v8-gicv3.dtb foundation-v8-gicv3-psci.dtb -dtb-$(CONFIG_ARCH_VEXPRESS) += juno.dtb juno-r1.dtb juno-r2.dtb +dtb-$(CONFIG_ARCH_VEXPRESS) += juno.dtb juno-r1.dtb juno-r2.dtb juno-scmi.dtb juno-r1-scmi.dtb juno-r2-scmi.dtb dtb-$(CONFIG_ARCH_VEXPRESS) += rtsm_ve-aemv8a.dtb dtb-$(CONFIG_ARCH_VEXPRESS) += vexpress-v2f-1xv7-ca53x2.dtb dtb-$(CONFIG_ARCH_VEXPRESS) += fvp-base-revc.dtb diff --git a/arch/arm64/boot/dts/arm/juno-r1-scmi.dts b/arch/arm64/boot/dts/arm/juno-r1-scmi.dts new file mode 100644 index 0000000..190a0fb --- /dev/null +++ b/arch/arm64/boot/dts/arm/juno-r1-scmi.dts @@ -0,0 +1,23 @@ +#include "juno-r1.dts" +#include "juno-scmi.dtsi" + +/ { + funnel@20130000 { + power-domains = <&scmi_devpd 8>; + }; + + etf@20140000 { + power-domains = <&scmi_devpd 0>; + }; + + funnel@20150000 { + power-domains = <&scmi_devpd 0>; + }; +}; + +&A57_0 { + clocks = <&scmi_dvfs 0>; +}; +&A57_1 { + clocks = <&scmi_dvfs 0>; +}; diff --git a/arch/arm64/boot/dts/arm/juno-r2-scmi.dts b/arch/arm64/boot/dts/arm/juno-r2-scmi.dts new file mode 100644 index 0000000..dbf1377 --- /dev/null +++ b/arch/arm64/boot/dts/arm/juno-r2-scmi.dts @@ -0,0 +1,23 @@ +#include "juno-r2.dts" +#include "juno-scmi.dtsi" + +/ { + funnel@20130000 { + power-domains = <&scmi_devpd 8>; + }; + + etf@20140000 { + power-domains = <&scmi_devpd 0>; + }; + + funnel@20150000 { + power-domains = <&scmi_devpd 0>; + }; +}; + +&A72_0 { + clocks = <&scmi_dvfs 0>; +}; +&A72_1 { + clocks = <&scmi_dvfs 0>; +}; diff --git a/arch/arm64/boot/dts/arm/juno-scmi.dts b/arch/arm64/boot/dts/arm/juno-scmi.dts new file mode 100644 index 0000000..41588fa --- /dev/null +++ b/arch/arm64/boot/dts/arm/juno-scmi.dts @@ -0,0 +1,9 @@ +#include "juno.dts" +#include "juno-scmi.dtsi" + +&A57_0 { + clocks = <&scmi_dvfs 0>; +}; +&A57_1 { + clocks = <&scmi_dvfs 0>; +}; diff --git a/arch/arm64/boot/dts/arm/juno-scmi.dtsi b/arch/arm64/boot/dts/arm/juno-scmi.dtsi new file mode 100644 index 0000000..d72dcff --- /dev/null +++ b/arch/arm64/boot/dts/arm/juno-scmi.dtsi @@ -0,0 +1,199 @@ +/ { + etf@20010000 { + power-domains = <&scmi_devpd 8>; + }; + + tpiu@20030000 { + power-domains = <&scmi_devpd 8>; + }; + + funnel@20040000 { + power-domains = <&scmi_devpd 8>; + }; + + etr@20070000 { + power-domains = <&scmi_devpd 8>; + }; + + stm@20100000 { + power-domains = <&scmi_devpd 8>; + }; + + replicator@20120000 { + power-domains = <&scmi_devpd 8>; + }; + + funnel@220c0000 { + power-domains = <&scmi_devpd 8>; + }; + + funnel@230c0000 { + power-domains = <&scmi_devpd 8>; + }; + + hdlcd@7ff50000 { + clocks = <&scmi_clk 3>; + }; + + hdlcd@7ff60000 { + clocks = <&scmi_clk 3>; + }; + + /delete-node/ scpi; + + firmware { + scmi { + compatible = "arm,scmi"; + mbox-names = "tx", "rx"; + mboxes = <&mailbox 0 0 &mailbox 0 1>; + shmem = <&cpu_scp_lpri0 &cpu_scp_lpri1>; + #address-cells = <1>; + #size-cells = <0>; + + scmi_devpd: protocol@11 { + reg = <0x11>; + #power-domain-cells = <1>; + }; + + scmi_dvfs: protocol@13 { + reg = <0x13>; + #clock-cells = <1>; + mbox-names = "tx", "rx"; + mboxes = <&mailbox 1 0 &mailbox 1 1>; + shmem = <&cpu_scp_hpri0 &cpu_scp_hpri1>; + }; + + scmi_clk: protocol@14 { + reg = <0x14>; + #clock-cells = <1>; + }; + + scmi_sensors0: protocol@15 { + reg = <0x15>; + #thermal-sensor-cells = <1>; + }; + }; + }; + + thermal-zones { + pmic { + thermal-sensors = <&scmi_sensors0 0>; + }; + + soc { + thermal-sensors = <&scmi_sensors0 3>; + }; + + big-cluster { + thermal-sensors = <&scmi_sensors0 21>; + }; + + little-cluster { + thermal-sensors = <&scmi_sensors0 22>; + }; + + gpu0 { + thermal-sensors = <&scmi_sensors0 23>; + }; + + gpu1 { + thermal-sensors = <&scmi_sensors0 24>; + }; + }; + +}; + +&A53_0 { + clocks = <&scmi_dvfs 1>; +}; +&A53_1 { + clocks = <&scmi_dvfs 1>; +}; +&A53_2 { + clocks = <&scmi_dvfs 1>; +}; +&A53_3 { + clocks = <&scmi_dvfs 1>; +}; + +&cpu_debug0 { + power-domains = <&scmi_devpd 8>; +}; +&cpu_debug1 { + power-domains = <&scmi_devpd 8>; +}; +&cpu_debug2 { + power-domains = <&scmi_devpd 8>; +}; +&cpu_debug3 { + power-domains = <&scmi_devpd 8>; +}; +&cpu_debug4 { + power-domains = <&scmi_devpd 8>; +}; +&cpu_debug5 { + power-domains = <&scmi_devpd 8>; +}; + +&etm0 { + power-domains = <&scmi_devpd 8>; +}; +&etm1 { + power-domains = <&scmi_devpd 8>; +}; +&etm2 { + power-domains = <&scmi_devpd 8>; +}; +&etm3 { + power-domains = <&scmi_devpd 8>; +}; +&etm4 { + power-domains = <&scmi_devpd 8>; +}; +&etm5 { + power-domains = <&scmi_devpd 8>; +}; + +&gpu { + clocks = <&scmi_dvfs 2>; + power-domains = <&scmi_devpd 9>; +}; + +&mailbox { + compatible = "arm,mhu-doorbell", "arm,primecell"; + #mbox-cells = <2>; + mbox-name = "ARM-MHU"; +}; + +&smmu_etr { + power-domains = <&scmi_devpd 8>; +}; + +&smmu_gpu { + power-domains = <&scmi_devpd 9>; +}; + +&sram { + /delete-node/ scp-sram@0; + /delete-node/ scp-sram@200; + + cpu_scp_lpri0: scp-sram@0 { + compatible = "arm,scmi-shmem"; + reg = <0x0 0x80>; + }; + + cpu_scp_lpri1: scp-sram@80 { + compatible = "arm,scmi-shmem"; + reg = <0x80 0x80>; + }; + + cpu_scp_hpri0: scp-sram@100 { + compatible = "arm,scmi-shmem"; + reg = <0x100 0x80>; + }; + + cpu_scp_hpri1: scp-sram@180 { + compatible = "arm,scmi-shmem"; + reg = <0x180 0x80>; + }; +}; -- 2.7.4