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Mon, 16 Dec 2024 00:48:33 -0800 (PST) From: Anup Patel To: Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jassi Brar Cc: Palmer Dabbelt , Paul Walmsley , Sunil V L , Rahul Pathak , Leyfoon Tan , Atish Patra , Andrew Jones , Anup Patel , linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, Anup Patel Subject: [RFC PATCH 0/8] Linux SBI MPXY and RPMI drivers Date: Mon, 16 Dec 2024 14:18:09 +0530 Message-ID: <20241216084817.373131-1-apatel@ventanamicro.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-clk@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The SBI v3.0 MPXY extension [1] and RPMI v1.0 [2] specifications are in stable state and under ARC review at the RISC-V International so as part of the RVI process we would like to receive an early feedback on the device tree bindings and mailbox drivers hence this series. Currently, most of the RPMI and MPXY drivers are in OpenSBI whereas for Linux only has SBI MPXY mailbox controller driver and RPMI clock driver. This series will be expanded in the future to include some more RPMI drivers and ACPI support. These patches can be found in the riscv_sbi_mpxy_mailbox_v1 branch at: https://github.com/avpatel/linux.git To test these patches, boot Linux on "virt,rpmi=on" machine with latest OpenSBI and QEMU from the dev-upstream QEMU branch at: https://github.com/ventanamicro/qemu.git [1] https://github.com/riscv-non-isa/riscv-sbi-doc/releases [2] https://github.com/riscv-non-isa/riscv-rpmi/releases Anup Patel (7): riscv: Add new error codes defined by SBI v3.0 dt-bindings: mailbox: Add bindings for RPMI shared memory transport dt-bindings: mailbox: Add bindings for RISC-V SBI MPXY extension RISC-V: Add defines for the SBI message proxy extension mailbox: Add common header for RPMI messages sent via mailbox mailbox: Add RISC-V SBI message proxy (MPXY) based mailbox driver dt-bindings: clock: Add bindings for RISC-V RPMI clock service group Rahul Pathak (1): clk: Add clock driver for the RISC-V RPMI clock service group .../bindings/clock/riscv,rpmi-clock.yaml | 78 ++ .../mailbox/riscv,rpmi-shmem-mbox.yaml | 135 +++ .../bindings/mailbox/riscv,sbi-mpxy-mbox.yaml | 54 + arch/riscv/include/asm/sbi.h | 69 ++ drivers/clk/Kconfig | 8 + drivers/clk/Makefile | 1 + drivers/clk/clk-rpmi.c | 588 +++++++++++ drivers/mailbox/Kconfig | 11 + drivers/mailbox/Makefile | 2 + drivers/mailbox/riscv-sbi-mpxy-mbox.c | 979 ++++++++++++++++++ include/linux/mailbox/riscv-rpmi-message.h | 218 ++++ 11 files changed, 2143 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/riscv,rpmi-clock.yaml create mode 100644 Documentation/devicetree/bindings/mailbox/riscv,rpmi-shmem-mbox.yaml create mode 100644 Documentation/devicetree/bindings/mailbox/riscv,sbi-mpxy-mbox.yaml create mode 100644 drivers/clk/clk-rpmi.c create mode 100644 drivers/mailbox/riscv-sbi-mpxy-mbox.c create mode 100644 include/linux/mailbox/riscv-rpmi-message.h -- 2.43.0 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 8D456E7717F for ; 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Mon, 16 Dec 2024 00:48:34 -0800 (PST) Received: from localhost.localdomain ([223.185.130.105]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-218a1e501d0sm37711495ad.116.2024.12.16.00.48.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 16 Dec 2024 00:48:33 -0800 (PST) From: Anup Patel To: Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jassi Brar Subject: [RFC PATCH 0/8] Linux SBI MPXY and RPMI drivers Date: Mon, 16 Dec 2024 14:18:09 +0530 Message-ID: <20241216084817.373131-1-apatel@ventanamicro.com> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241216_004835_881177_FD862706 X-CRM114-Status: GOOD ( 14.27 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Anup Patel , devicetree@vger.kernel.org, Leyfoon Tan , Anup Patel , Paul Walmsley , linux-kernel@vger.kernel.org, Palmer Dabbelt , Atish Patra , linux-riscv@lists.infradead.org, Andrew Jones , linux-clk@vger.kernel.org, Rahul Pathak Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org The SBI v3.0 MPXY extension [1] and RPMI v1.0 [2] specifications are in stable state and under ARC review at the RISC-V International so as part of the RVI process we would like to receive an early feedback on the device tree bindings and mailbox drivers hence this series. Currently, most of the RPMI and MPXY drivers are in OpenSBI whereas for Linux only has SBI MPXY mailbox controller driver and RPMI clock driver. This series will be expanded in the future to include some more RPMI drivers and ACPI support. These patches can be found in the riscv_sbi_mpxy_mailbox_v1 branch at: https://github.com/avpatel/linux.git To test these patches, boot Linux on "virt,rpmi=on" machine with latest OpenSBI and QEMU from the dev-upstream QEMU branch at: https://github.com/ventanamicro/qemu.git [1] https://github.com/riscv-non-isa/riscv-sbi-doc/releases [2] https://github.com/riscv-non-isa/riscv-rpmi/releases Anup Patel (7): riscv: Add new error codes defined by SBI v3.0 dt-bindings: mailbox: Add bindings for RPMI shared memory transport dt-bindings: mailbox: Add bindings for RISC-V SBI MPXY extension RISC-V: Add defines for the SBI message proxy extension mailbox: Add common header for RPMI messages sent via mailbox mailbox: Add RISC-V SBI message proxy (MPXY) based mailbox driver dt-bindings: clock: Add bindings for RISC-V RPMI clock service group Rahul Pathak (1): clk: Add clock driver for the RISC-V RPMI clock service group .../bindings/clock/riscv,rpmi-clock.yaml | 78 ++ .../mailbox/riscv,rpmi-shmem-mbox.yaml | 135 +++ .../bindings/mailbox/riscv,sbi-mpxy-mbox.yaml | 54 + arch/riscv/include/asm/sbi.h | 69 ++ drivers/clk/Kconfig | 8 + drivers/clk/Makefile | 1 + drivers/clk/clk-rpmi.c | 588 +++++++++++ drivers/mailbox/Kconfig | 11 + drivers/mailbox/Makefile | 2 + drivers/mailbox/riscv-sbi-mpxy-mbox.c | 979 ++++++++++++++++++ include/linux/mailbox/riscv-rpmi-message.h | 218 ++++ 11 files changed, 2143 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/riscv,rpmi-clock.yaml create mode 100644 Documentation/devicetree/bindings/mailbox/riscv,rpmi-shmem-mbox.yaml create mode 100644 Documentation/devicetree/bindings/mailbox/riscv,sbi-mpxy-mbox.yaml create mode 100644 drivers/clk/clk-rpmi.c create mode 100644 drivers/mailbox/riscv-sbi-mpxy-mbox.c create mode 100644 include/linux/mailbox/riscv-rpmi-message.h -- 2.43.0 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv