This series enables the support for SA8255p Qualcomm SoC and Ride
platform. This platform uses SCMI power, reset, performance, sensor
protocols for resources(e.g. clocks, regulator, interconnect, phy etc.)
management. SA8255p is a virtual platforms that uses Qualcomm smc/hvc
transport driver.
Multiple virtual SCMI instances are being used to achieve the parallelism.
SCMI platform stack runs in SMP enabled VM hence allows platform to service
multiple resource requests in parallel. Each device is assigned its own
dedicated SCMI channel and Tx/Rx doorbells.
Resource operations are grouped together to achieve better abstraction
and to reduce the number of requests being sent to SCMI platform(server)
thus improving boot time KPIs. This design approach was presented during
LinaroConnect 2024 conference[1].
Architecture:
------------
+--------------------+
| Shared Memory |
| |
| +----------------+ | +----------------------------------+
+----------------------------+ +-+-> ufs-shmem <-+---+ | Linux VM |
| Firmware VM | | | +----------------+ | | | +----------+ +----------+ |
| | | | | | | | UFS | | PCIe | |
| +---------+ f +----------+ | | | | | | | Driver | | Driver | |
| |Drivers <---+ SCMI | | e | | | | | | +--+----^--+ +----------+ |
| | (clks, | g | Server +-+---------------------+ | | | | | | |
| | vreg, +---> | | h | | | b|k | a| l| |
| | gpio, | +--^-----+-+ | | | | | | | |
| | phy, | | | | | | | | | +---v----+----+ +----------+ |
| | etc.) | | | | | | +------------+--+ UFS SCMI | | PCIe SCMI| |
| +---------+ | | | | | | | INSTANCE | | INSTANCE | |
| | | | | +---------------+ | | +-^-----+-----+ +----------+ |
| | | | | | pcie-shmem | | | | | |
+------------------+-----+---+ | +---------------+ | +----+-----+-----------------------+
| | | | | |
| | +--------------------+ | |
d|IRQ i|HVC j|IRQ c|HVC
| | | |
| | | |
+-----------------------+-----v----------------------------------------------------------------------+-----v------------------------------+
| |
| |
| |
| HYPERVISOR |
| |
| |
+-----------------------------------------------------------------------------------------------------------------------------------------+
+--------+ +--------+ +----------+ +-----------+
| CLOCK | | PHY | | UFS | | PCIe |
+--------+ +--------+ +----------+ +-----------+
This series is based on next-20240903.
[1]: https://resources.linaro.org/en/resource/wfnfEwBhRjLV1PEAJoDDte
---
Changes in v2:
- Patch 1/21 - 11/21
- Added Reviewed-by tag
- Patch 12/21
- Already applied in the maintainers tree
- Patch 13/21
- Modified subject line
- Fixed schema to include fallback
- Patch 14/21
- Added constraints
- Patch 15/21
- Modified schema to remove useless text
- Patch 16/21
- Modified schema formatting
- Amended schema definition as advised
- Patch 17/21
- Moved allOf block after required
- Fixed formatting
- Modified schema to remove useless text
- Patch 18/21
- Fixed clock property changes
- Patch 19/21
- Fixed scmi nodename pattern
- Patch 20/21
- Modified subject line and description
- Added EPPI macro
- Patch 21/21
- Removed scmichannels label and alias
- Modified scmi node name to conform to schema
- Moved status property to be the last one in scmi instances
- Changed to lower case for cpu labels
- Added fallback compatible for tlmm node
Nikunj Kela (21):
dt-bindings: arm: qcom: add the SoC ID for SA8255P
soc: qcom: socinfo: add support for SA8255P
dt-bindings: arm: qcom: add SA8255p Ride board
dt-bindings: firmware: qcom,scm: document support for SA8255p
dt-bindings: mailbox: qcom-ipcc: document the support for SA8255p
dt-bindings: watchdog: qcom-wdt: document support on SA8255p
dt-bindings: crypto: qcom,prng: document support for SA8255p
dt-bindings: interrupt-controller: qcom-pdc: document support for
SA8255p
dt-bindings: soc: qcom: aoss-qmp: document support for SA8255p
dt-bindings: arm-smmu: document the support on SA8255p
dt-bindings: mfd: qcom,tcsr: document support for SA8255p
dt-bindings: thermal: tsens: document support on SA8255p
dt-bindings: pinctrl: Add SA8255p TLMM
dt-bindings: cpufreq: qcom-hw: document support for SA8255p
dt-bindings: i2c: document support for SA8255p
dt-bindings: spi: document support for SA8255p
dt-bindings: serial: document support for SA8255p
dt-bindings: qcom: geni-se: document support for SA8255P
dt-bindings: firmware: arm,scmi: allow multiple virtual instances
dt-bindings: arm: GIC: add ESPI and EPPI specifiers
arm64: dts: qcom: Add reduced functional DT for SA8255p Ride platform
.../devicetree/bindings/arm/qcom.yaml | 6 +
.../bindings/cpufreq/cpufreq-qcom-hw.yaml | 16 +
.../devicetree/bindings/crypto/qcom,prng.yaml | 1 +
.../bindings/firmware/arm,scmi.yaml | 2 +-
.../bindings/firmware/qcom,scm.yaml | 2 +
.../bindings/i2c/qcom,i2c-geni-qcom.yaml | 33 +-
.../interrupt-controller/qcom,pdc.yaml | 1 +
.../devicetree/bindings/iommu/arm,smmu.yaml | 3 +
.../bindings/mailbox/qcom-ipcc.yaml | 1 +
.../devicetree/bindings/mfd/qcom,tcsr.yaml | 1 +
.../bindings/pinctrl/qcom,sa8775p-tlmm.yaml | 8 +-
.../serial/qcom,serial-geni-qcom.yaml | 53 +-
.../bindings/soc/qcom/qcom,aoss-qmp.yaml | 1 +
.../bindings/soc/qcom/qcom,geni-se.yaml | 45 +-
.../bindings/spi/qcom,spi-geni-qcom.yaml | 60 +-
.../bindings/thermal/qcom-tsens.yaml | 1 +
.../bindings/watchdog/qcom-wdt.yaml | 1 +
arch/arm64/boot/dts/qcom/Makefile | 1 +
arch/arm64/boot/dts/qcom/sa8255p-pmics.dtsi | 80 +
arch/arm64/boot/dts/qcom/sa8255p-ride.dts | 148 +
arch/arm64/boot/dts/qcom/sa8255p-scmi.dtsi | 2312 ++++++++++++++++
arch/arm64/boot/dts/qcom/sa8255p.dtsi | 2405 +++++++++++++++++
drivers/soc/qcom/socinfo.c | 1 +
include/dt-bindings/arm/qcom,ids.h | 1 +
.../interrupt-controller/arm-gic.h | 2 +
25 files changed, 5169 insertions(+), 16 deletions(-)
create mode 100644 arch/arm64/boot/dts/qcom/sa8255p-pmics.dtsi
create mode 100644 arch/arm64/boot/dts/qcom/sa8255p-ride.dts
create mode 100644 arch/arm64/boot/dts/qcom/sa8255p-scmi.dtsi
create mode 100644 arch/arm64/boot/dts/qcom/sa8255p.dtsi
base-commit: 6804f0edbe7747774e6ae60f20cec4ee3ad7c187
--
2.34.1
