On Wed, Oct 11, 2023 at 1:49 PM Peter Griffin <peter.griffin@xxxxxxxxxx> wrote: > > Hi folks, > > Firstly, thanks to everyone who reviewed the v2/V1 series! V3 incorporates > all the review feedback received so far. > > As this series spans multiple subsytems the expectation is that Krzysztof > will apply the whole series through the Samsung SoC tree. If the relevant > subsystem maintainers can give a acked-by or reviewed-by on the relevant > patches that would be most appreciated! > > This series adds initial SoC support for the GS101 SoC and also initial board > support for Pixel 6 phone (Oriole). > > The gs101 / Tensor SoC is also used in Pixel6a (bluejay) and Pixel 6 Pro > (raven) phones. Currently DT is added for the gs101 SoC and Oriole. > As you can see from the patches the SoC is based on a Samsung Exynos SoC, > and therefore lots of the low level Exynos drivers and bindings can be > re-used. > > The support added in this series consists of: > * cpus > * pinctrl > * some CCF implementation > * watchdog > * uart > * gpio > > This is enough to boot through to a busybox initramfs and shell using an > upstream kernel though :) More platform support will be added over the > following weeks and months. > > For further information on how to build and flash the upstream kernel on your > Pixel 6, with a prebuilt busybox initramfs please refer to the script and > README.md here: > > https://git.codelinaro.org/linaro/googlelt/pixelscripts > > Note 1: I've removed the dtbo overlay from v2 and later submissions and > will re-submit once I have appropriate documentation for it. > > Note 2: I've left the bootargs in dts with earlycon for now, for two reasons. > 1) The bootloader hangs if bootargs isn't present in the dtb as it tries to > re-write this with additional bootargs. > 2) there is a issue whereby the full serial console doesn't come up properly > if earlycon isn't also specified. This issue needs further investigation. > > kind regards, > > Peter. > > Changes since v2: > - Fixup pinctrl@174d0000: interrupts: [..] is too long DTC warning (Tudor) > - Add missing windowed watchdog code (Guenter) > - Fixup UART YAML bindings error (Krzysztof) > - gs101.dtsi add missing serial_0 alias (me) > - samsung_tty.c: fixup gs101_serial_drv_data so fifosize os obtained from DT > > Changes since v1: > - Remove irq/gs101.h and replace macros with irq numbers globally > - exynos-pmu - keep alphabetical order > - add cmu_apm to clock bindings documentation > - sysreg bindings - remove superfluous `google,gs101-sysreg` > - watchdog bindings - Alphanumerical order, update gs201 comment > - samsung,pinctrl.yaml - add new "if:then:else:" to narrow for google SoC > - samsung,pinctrl-wakeup-interrupt.yaml - Alphanumerical order > - samsung,pinctrl- add google,gs101-wakeup-eint compatible > - clk-pll: fixup typos > - clk-gs101: fix kernel test robot warnings (add 2 new clocks,dividers,gate) > - clk-gs101: fix alphabetical order > - clk-gs101: cmu_apm: fixup typo and missing empty entry > - clk-gs101: cmu_misc: remove clocks that were being registerred twice > - pinctrl: filter sel: rename/reorder variables, add comment for FLTCON bitfield > - pinctrl: filter sel: avoid setting reserved bits by loop over FLTCON1 pins as well > - pinctrl: gs101: rename bank_type_6/7 structs to be more specific, split from filter > - watchdog: s3c2410_wdt: remove dev_info prints > - gs101.dtsi/oriole.dts: order by unit node, remove underscores from node name, blank lines > add SoC node, split dts and dtsi into separate patches, remove 'DVT' suffix > - gs101-oriole.dtso: Remove overlay until board_id is documented properly > - Add GS101_PIN_* macros to gs101-pinctrl.h instead of using Exynos ones > - gpio-keys: update linux,code to use input-event-code macros > - add dedicated gs101-uart compatible > > Peter Griffin (20): > dt-bindings: soc: samsung: exynos-pmu: Add gs101 compatible > dt-bindings: clock: Add Google gs101 clock management unit bindings > dt-bindings: soc: google: exynos-sysreg: add dedicated SYSREG > compatibles to GS101 > dt-bindings: watchdog: Document Google gs101 & gs201 watchdog bindings > dt-bindings: arm: google: Add bindings for Google ARM platforms > dt-bindings: pinctrl: samsung: add google,gs101-pinctrl compatible > dt-bindings: pinctrl: samsung: add gs101-wakeup-eint compatible > dt-bindings: serial: samsung: Add google-gs101-uart compatible > clk: samsung: clk-pll: Add support for pll_{0516,0517,518} > clk: samsung: clk-gs101: Add cmu_top registers, plls, mux and gates > clk: samsung: clk-gs101: add CMU_APM support > clk: samsung: clk-gs101: Add support for CMU_MISC clock unit Maybe squash those 3 patches into one? If you're going to send v4. Just a thought. > pinctrl: samsung: Add filter selection support for alive banks > pinctrl: samsung: Add gs101 SoC pinctrl configuration > watchdog: s3c2410_wdt: Add support for Google tensor SoCs > tty: serial: samsung: Add gs101 compatible and SoC data > arm64: dts: google: Add initial Google gs101 SoC support > arm64: dts: google: Add initial Oriole/pixel 6 board support > arm64: defconfig: Enable Google Tensor SoC > MAINTAINERS: add entry for Google Tensor SoC > > .../devicetree/bindings/arm/google.yaml | 46 + > .../bindings/clock/google,gs101-clock.yaml | 125 + > .../samsung,pinctrl-wakeup-interrupt.yaml | 2 + > .../bindings/pinctrl/samsung,pinctrl.yaml | 22 +- > .../bindings/serial/samsung_uart.yaml | 1 + > .../bindings/soc/samsung/exynos-pmu.yaml | 2 + > .../soc/samsung/samsung,exynos-sysreg.yaml | 6 + > .../bindings/watchdog/samsung-wdt.yaml | 10 +- > MAINTAINERS | 10 + > arch/arm64/Kconfig.platforms | 6 + > arch/arm64/boot/dts/Makefile | 1 + > arch/arm64/boot/dts/google/Makefile | 4 + > arch/arm64/boot/dts/google/gs101-oriole.dts | 79 + > arch/arm64/boot/dts/google/gs101-pinctrl.dtsi | 1275 ++++++++++ > arch/arm64/boot/dts/google/gs101-pinctrl.h | 32 + > arch/arm64/boot/dts/google/gs101.dtsi | 504 ++++ > arch/arm64/configs/defconfig | 1 + > drivers/clk/samsung/Kconfig | 9 + > drivers/clk/samsung/Makefile | 2 + > drivers/clk/samsung/clk-gs101.c | 2164 +++++++++++++++++ > drivers/clk/samsung/clk-pll.c | 9 +- > drivers/clk/samsung/clk-pll.h | 3 + > .../pinctrl/samsung/pinctrl-exynos-arm64.c | 163 ++ > drivers/pinctrl/samsung/pinctrl-exynos.c | 84 +- > drivers/pinctrl/samsung/pinctrl-exynos.h | 41 + > drivers/pinctrl/samsung/pinctrl-samsung.c | 4 + > drivers/pinctrl/samsung/pinctrl-samsung.h | 24 + > drivers/tty/serial/samsung_tty.c | 13 + > drivers/watchdog/s3c2410_wdt.c | 127 +- > include/dt-bindings/clock/google,gs101.h | 232 ++ > 30 files changed, 4985 insertions(+), 16 deletions(-) > create mode 100644 Documentation/devicetree/bindings/arm/google.yaml > create mode 100644 Documentation/devicetree/bindings/clock/google,gs101-clock.yaml > create mode 100644 arch/arm64/boot/dts/google/Makefile > create mode 100644 arch/arm64/boot/dts/google/gs101-oriole.dts > create mode 100644 arch/arm64/boot/dts/google/gs101-pinctrl.dtsi > create mode 100644 arch/arm64/boot/dts/google/gs101-pinctrl.h > create mode 100644 arch/arm64/boot/dts/google/gs101.dtsi > create mode 100644 drivers/clk/samsung/clk-gs101.c > create mode 100644 include/dt-bindings/clock/google,gs101.h > > -- > 2.42.0.655.g421f12c284-goog >
