From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pg1-f180.google.com (mail-pg1-f180.google.com [209.85.215.180]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CEA001519B8 for ; Sun, 11 May 2025 13:40:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.215.180 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746970807; cv=none; b=KM/3/+da4Ics16jxwwM0gs26dAwTXrYuRA3GYshS0sFi9p+nXIvqaakjaxCet+f5x0FOnWFZzUOJp2MjFQsP3FOxtwG1hJnTt5/8J/5H0vkkpKU5p8Nt607owYrCumUvjIpQM8hSO6UcVuEITsXfMJ0Y7RS9nSn7vKI0mRfT87U= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746970807; c=relaxed/simple; bh=HGHg9nY8u9T8EijBXpElYgMjpPIpbIwca+aoW36YdV8=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=MD7RI7jUvmAa+FnpUl7tkOxBTNAZ3wAvITiwCUVCov+VtsAFSkf3T/2spOnLB/CvygBfWuPQRmD6IyNdQAy9H+g35hnlPX+xud6fwzVk91icNzUEgiOqZSKLKzir4VgVo0HXpCRYa77ccAcjTb6Bj9uu5dgXodyWP2tpLrIQ2fo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ventanamicro.com; spf=pass smtp.mailfrom=ventanamicro.com; dkim=pass (2048-bit key) header.d=ventanamicro.com header.i=@ventanamicro.com header.b=SvEIRyoM; arc=none smtp.client-ip=209.85.215.180 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ventanamicro.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ventanamicro.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=ventanamicro.com header.i=@ventanamicro.com header.b="SvEIRyoM" Received: by mail-pg1-f180.google.com with SMTP id 41be03b00d2f7-879d2e419b9so2991382a12.2 for ; Sun, 11 May 2025 06:40:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ventanamicro.com; s=google; t=1746970804; x=1747575604; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=+2X7+jVVNL7UrA8dHN/YI8a62ZSrvEZ5auq7El/7vY8=; b=SvEIRyoMycW1wzPzAWjzEYNi/f0IRNgf8H9mndmyUqgFOZXGandEr6S6dG8BiGwVDy 1LTXgyxK1S8hkJr9NCwuKFXExGSPwpt6yvmGPu1NknkMtwOEk6C68TIOmrg7no8+cAaz I81wSyq71DwyiKr8zy37QGbB8UUCemcm4RpfCMN+Niyh4gF/ByaURjRvEnrAFYmE8vkX b6JE7pls4Q38VwhaOv5XoboENJdcJZF632YlKrUAP2a1sm2yfDMqOoa6BipMouekazFw xd2hbJUvZC4KfCi2zDz3t+F3LvG2kqmJQJJWbFIskVlhJqpzlk34zf87RKFJM2sNKIP/ oaEw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1746970804; x=1747575604; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=+2X7+jVVNL7UrA8dHN/YI8a62ZSrvEZ5auq7El/7vY8=; b=HNRTr+vtqcjLmnsIsPgwttEyqsTvOxqm8Ie7xkzJ2XEW43dpsXwWH93AzIov0Uejvi d1wRIBnZQcXTUNeNDDqku5W5SQb8Cvfc+WGpLqd1xKNjv+8nIRjQJESLzndCMcXSyEfY cMGi71AvHiLWB1YLrhfDiAxY9ib5jB/bZAajYM6pIM5kR04ZngNfrP7KJX6OjOqxy6Y/ w0TWVKouYPdYu6mC2caNAObsLB2+M7Ke4FFqCqB3p4j0AjcY8kBYc6O0GaZ5QKgVF+Ci /QqINPjcn2jSev0Vo+tzUnCZu3YjMwP7BtRljs+nfPfOX+v75xMUmxSZyeoOsW0K5bG3 KdtQ== X-Forwarded-Encrypted: i=1; AJvYcCXrZ0xnTAFQgpkMKVFrAWL5HHmi9vVJjB5WHbZZ0a9cy1F0ZkxrDmUHkqmQolEQw3wsHCJYlqKRNok5@vger.kernel.org X-Gm-Message-State: AOJu0YwD7XgEmNJoeCg8JBEAID7+fP6ZzwBDFvwW54PCHYVDY8IbiMM/ LlzWiB82F0uMJwO9kv2KgoiXC2XS9ZUiEj/67PszcCw/nJenpOXvKtYdwuxNdVU= X-Gm-Gg: ASbGncuiWVul2KcK7CwnuTv/itpAzFyz0TaIC7PbUDRnefcDVLZVeXm16JR65G5g3nb hlKRyty6gWurBHxsyquWkEo4FNZmFk3mk7OrAFJoq8cV+v+goMsCCQwduAcPZzLpUnvhsFGaonN gnqG0yS+5ZjM5WZsp9opJHNDeGLQEHl+JePsjTYakK3nF/knrcCTuUKAdAsywqDnReAZ3jbZQ4m GoqLGBeL53TgXikUVpbyAv9hNYJM/7lfXSkPWIoi6XbF+VrXhMDImKKXvOy2rpLjMiwWCaakq7v QKo8YsFeF/+htEZIkUO5iehyKfH9yKhRB/qK7rvztwOS22bH9SKMGFIqzaTP2cL+IBgZz2TQurI ujNhD5mendHYgYw== X-Google-Smtp-Source: AGHT+IFeovprhIUjCenVGzvCSweIJ9z5nY2eghETFdt8kR3joqVLkksTBy7OfdfpRIPRnZrpPXtoAg== X-Received: by 2002:a17:903:32c1:b0:224:c46:d167 with SMTP id d9443c01a7336-22fc8b51a28mr143434215ad.16.1746970803926; Sun, 11 May 2025 06:40:03 -0700 (PDT) Received: from anup-ubuntu-vm.localdomain ([122.171.17.86]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-22fc754785bsm46665805ad.20.2025.05.11.06.39.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 11 May 2025 06:40:03 -0700 (PDT) From: Anup Patel To: Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jassi Brar , Thomas Gleixner , "Rafael J . Wysocki" , Mika Westerberg , Andy Shevchenko , Linus Walleij , Bartosz Golaszewski , =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= Cc: Palmer Dabbelt , Paul Walmsley , Len Brown , Sunil V L , Rahul Pathak , Leyfoon Tan , Atish Patra , Andrew Jones , Samuel Holland , Anup Patel , linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, Anup Patel Subject: [PATCH v3 00/23] Linux SBI MPXY and RPMI drivers Date: Sun, 11 May 2025 19:09:16 +0530 Message-ID: <20250511133939.801777-1-apatel@ventanamicro.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: devicetree@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 frozen and in public review at the RISC-V International. Currently, most of the RPMI and MPXY drivers are in OpenSBI whereas Linux only has SBI MPXY mailbox controller driver, RPMI clock driver and RPMI system MSI driver This series also includes ACPI support for SBI MPXY mailbox controller and RPMI system MSI drivers. These patches can be found in the riscv_sbi_mpxy_mailbox_v3 branch at: https://github.com/avpatel/linux.git To test these patches, boot Linux on "virt,rpmi=on,aia=aplic-imsic" machine with OpenSBI and QEMU from the dev-upstream branch at: https://github.com/ventanamicro/opensbi.git 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 Changes since v2: - Dropped the "RFC" tag from series since the SBI v3.0 and RPMI v1.0 specifications are now frozen - Rebased the series on Linux-6.15-rc5 - Split PATCH8 of v2 into two patches adding separate DT bindings for "riscv,rpmi-mpxy-clock" and "riscv,rpmi-clock" - Split PATCH10 of v2 into two patches adding separate DT bindings for "riscv,rpmi-mpxy-system-msi" and "riscv,rpmi-system-msi" - Addressed comments from TGLX on PATCH11 of v2 adding irqchip driver for RPMI system MSI - Addressed ACPI related comments in PATCH15 and PATCH16 of v2 - New PATCH17 and PATCH18 in this series Changes since v1: - Addressed DT bindings related comments in PATCH2, PATCH3, and PATCH7 of v1 series - Addressed comments in PATCH6 and PATCH8 of v1 series - New PATCH6 in v2 series to allow fwnode based mailbox channel request - New PATCH10 and PATCH11 to add RPMI system MSI based interrupt controller driver - New PATCH12 to PATCH16 which adds ACPI support in SBI MPXY mailbox driver and RPMI system MSI driver - New PATCH17 to enable required kconfig option to allow graceful shutdown on QEMU virt machine Anup Patel (14): 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: Allow controller specific mapping using fwnode mailbox: Add RISC-V SBI message proxy (MPXY) based mailbox driver dt-bindings: clock: Add RPMI clock service message proxy bindings dt-bindings: clock: Add RPMI clock service controller bindings dt-bindings: Add RPMI system MSI message proxy bindings dt-bindings: Add RPMI system MSI interrupt controller bindings irqchip: Add driver for the RPMI system MSI service group RISC-V: Enable GPIO keyboard and event device in RV64 defconfig MAINTAINERS: Add entry for RISC-V RPMI and MPXY drivers Rahul Pathak (1): clk: Add clock driver for the RISC-V RPMI clock service group Sunil V L (8): ACPI: property: Refactor acpi_fwnode_get_reference_args() ACPI: property: Add support for cells property ACPI: scan: Update honor list for RPMI System MSI ACPI: RISC-V: Create interrupt controller list in sorted order ACPI: RISC-V: Add support to update gsi range ACPI: RISC-V: Add RPMI System MSI to GSI mapping mailbox/riscv-sbi-mpxy: Add ACPI support irqchip/riscv-rpmi-sysmsi: Add ACPI support .../bindings/clock/riscv,rpmi-clock.yaml | 61 + .../bindings/clock/riscv,rpmi-mpxy-clock.yaml | 64 ++ .../riscv,rpmi-mpxy-system-msi.yaml | 67 ++ .../riscv,rpmi-system-msi.yaml | 74 ++ .../mailbox/riscv,rpmi-shmem-mbox.yaml | 148 +++ .../bindings/mailbox/riscv,sbi-mpxy-mbox.yaml | 51 + MAINTAINERS | 15 + arch/riscv/configs/defconfig | 2 + arch/riscv/include/asm/irq.h | 6 + arch/riscv/include/asm/sbi.h | 72 ++ drivers/acpi/property.c | 118 +- drivers/acpi/riscv/irq.c | 80 +- drivers/acpi/scan.c | 2 + drivers/base/property.c | 2 +- drivers/clk/Kconfig | 8 + drivers/clk/Makefile | 1 + drivers/clk/clk-rpmi.c | 601 ++++++++++ drivers/irqchip/Kconfig | 7 + drivers/irqchip/Makefile | 1 + drivers/irqchip/irq-riscv-rpmi-sysmsi.c | 315 ++++++ drivers/mailbox/Kconfig | 11 + drivers/mailbox/Makefile | 2 + drivers/mailbox/mailbox.c | 48 +- drivers/mailbox/riscv-sbi-mpxy-mbox.c | 1007 +++++++++++++++++ include/linux/mailbox/riscv-rpmi-message.h | 235 ++++ include/linux/mailbox_controller.h | 3 + 26 files changed, 2925 insertions(+), 76 deletions(-) create mode 100644 Documentation/devicetree/bindings/clock/riscv,rpmi-clock.yaml create mode 100644 Documentation/devicetree/bindings/clock/riscv,rpmi-mpxy-clock.yaml create mode 100644 Documentation/devicetree/bindings/interrupt-controller/riscv,rpmi-mpxy-system-msi.yaml create mode 100644 Documentation/devicetree/bindings/interrupt-controller/riscv,rpmi-system-msi.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/irqchip/irq-riscv-rpmi-sysmsi.c create mode 100644 drivers/mailbox/riscv-sbi-mpxy-mbox.c create mode 100644 include/linux/mailbox/riscv-rpmi-message.h -- 2.43.0