From: Thierry Reding <thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> To: Thierry Reding <thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> Cc: Timo Alho <talho-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>, Peter De Schrijver <pdeschrijver-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>, Sivaram Nair <sivaramn-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>, Joseph Lo <josephl-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>, linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Subject: [PATCH v3 01/12] dt-bindings: mailbox: Add Tegra HSP binding Date: Fri, 19 Aug 2016 19:32:22 +0200 [thread overview] Message-ID: <20160819173233.13260-2-thierry.reding@gmail.com> (raw) In-Reply-To: <20160819173233.13260-1-thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> From: Joseph Lo <josephl-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> Add DT binding for the Hardware Synchronization Primitives (HSP). The HSP is designed for the processors to share resources and communicate with one another. A set of hardware synchronization primitives for interprocessor communication (IPC) is provided. IPC protocols can use use these hardware synchronization primitives when operating between processors in an AMP configuration. Signed-off-by: Joseph Lo <josephl-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> Acked-by: Stephen Warren <swarren-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> Acked-by: Rob Herring <robh-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org> Acked-by: Jon Hunter <jonathanh-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> Signed-off-by: Thierry Reding <treding-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> --- .../bindings/mailbox/nvidia,tegra186-hsp.txt | 52 ++++++++++++++++++++++ include/dt-bindings/mailbox/tegra186-hsp.h | 24 ++++++++++ 2 files changed, 76 insertions(+) create mode 100644 Documentation/devicetree/bindings/mailbox/nvidia,tegra186-hsp.txt create mode 100644 include/dt-bindings/mailbox/tegra186-hsp.h diff --git a/Documentation/devicetree/bindings/mailbox/nvidia,tegra186-hsp.txt b/Documentation/devicetree/bindings/mailbox/nvidia,tegra186-hsp.txt new file mode 100644 index 000000000000..b99d25fc2f26 --- /dev/null +++ b/Documentation/devicetree/bindings/mailbox/nvidia,tegra186-hsp.txt @@ -0,0 +1,52 @@ +NVIDIA Tegra Hardware Synchronization Primitives (HSP) + +The HSP modules are used for the processors to share resources and communicate +together. It provides a set of hardware synchronization primitives for +interprocessor communication. So the interprocessor communication (IPC) +protocols can use hardware synchronization primitives, when operating between +two processors not in an SMP relationship. + +The features that HSP supported are shared mailboxes, shared semaphores, +arbitrated semaphores and doorbells. + +Required properties: +- name : Should be hsp +- compatible + Array of strings. + one of: + - "nvidia,tegra186-hsp" +- reg : Offset and length of the register set for the device. +- interrupt-names + Array of strings. + Contains a list of names for the interrupts described by the interrupt + property. May contain the following entries, in any order: + - "doorbell" + Users of this binding MUST look up entries in the interrupt property + by name, using this interrupt-names property to do so. +- interrupts + Array of interrupt specifiers. + Must contain one entry per entry in the interrupt-names property, + in a matching order. +- #mbox-cells : Should be 2. + +The mbox specifier of the "mboxes" property in the client node should +contain two data. The first one should be the HSP type and the second +one should be the ID that the client is going to use. Those information +can be found in the following file. + +- <dt-bindings/mailbox/tegra186-hsp.h>. + +Example: + +hsp_top0: hsp@3c00000 { + compatible = "nvidia,tegra186-hsp"; + reg = <0x0 0x03c00000 0x0 0xa0000>; + interrupts = <GIC_SPI 176 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "doorbell"; + #mbox-cells = <2>; +}; + +client { + ... + mboxes = <&hsp_top0 TEGRA_HSP_MBOX_TYPE_DB TEGRA_HSP_DB_MASTER_XXX>; +}; diff --git a/include/dt-bindings/mailbox/tegra186-hsp.h b/include/dt-bindings/mailbox/tegra186-hsp.h new file mode 100644 index 000000000000..f5d66e5f5f10 --- /dev/null +++ b/include/dt-bindings/mailbox/tegra186-hsp.h @@ -0,0 +1,24 @@ +/* + * This header provides constants for binding nvidia,tegra186-hsp. + */ + +#ifndef _DT_BINDINGS_MAILBOX_TEGRA186_HSP_H +#define _DT_BINDINGS_MAILBOX_TEGRA186_HSP_H + +/* + * These define the type of mailbox that is to be used (doorbell, shared + * mailbox, shared semaphore or arbitrated semaphore). + */ +#define TEGRA_HSP_MBOX_TYPE_DB 0x0 +#define TEGRA_HSP_MBOX_TYPE_SM 0x1 +#define TEGRA_HSP_MBOX_TYPE_SS 0x2 +#define TEGRA_HSP_MBOX_TYPE_AS 0x3 + +/* + * These defines represent the bit associated with the given master ID in the + * doorbell registers. + */ +#define TEGRA_HSP_DB_MASTER_CCPLEX 17 +#define TEGRA_HSP_DB_MASTER_BPMP 19 + +#endif -- 2.9.0
WARNING: multiple messages have this Message-ID (diff)
From: thierry.reding@gmail.com (Thierry Reding) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v3 01/12] dt-bindings: mailbox: Add Tegra HSP binding Date: Fri, 19 Aug 2016 19:32:22 +0200 [thread overview] Message-ID: <20160819173233.13260-2-thierry.reding@gmail.com> (raw) In-Reply-To: <20160819173233.13260-1-thierry.reding@gmail.com> From: Joseph Lo <josephl@nvidia.com> Add DT binding for the Hardware Synchronization Primitives (HSP). The HSP is designed for the processors to share resources and communicate with one another. A set of hardware synchronization primitives for interprocessor communication (IPC) is provided. IPC protocols can use use these hardware synchronization primitives when operating between processors in an AMP configuration. Signed-off-by: Joseph Lo <josephl@nvidia.com> Acked-by: Stephen Warren <swarren@nvidia.com> Acked-by: Rob Herring <robh@kernel.org> Acked-by: Jon Hunter <jonathanh@nvidia.com> Signed-off-by: Thierry Reding <treding@nvidia.com> --- .../bindings/mailbox/nvidia,tegra186-hsp.txt | 52 ++++++++++++++++++++++ include/dt-bindings/mailbox/tegra186-hsp.h | 24 ++++++++++ 2 files changed, 76 insertions(+) create mode 100644 Documentation/devicetree/bindings/mailbox/nvidia,tegra186-hsp.txt create mode 100644 include/dt-bindings/mailbox/tegra186-hsp.h diff --git a/Documentation/devicetree/bindings/mailbox/nvidia,tegra186-hsp.txt b/Documentation/devicetree/bindings/mailbox/nvidia,tegra186-hsp.txt new file mode 100644 index 000000000000..b99d25fc2f26 --- /dev/null +++ b/Documentation/devicetree/bindings/mailbox/nvidia,tegra186-hsp.txt @@ -0,0 +1,52 @@ +NVIDIA Tegra Hardware Synchronization Primitives (HSP) + +The HSP modules are used for the processors to share resources and communicate +together. It provides a set of hardware synchronization primitives for +interprocessor communication. So the interprocessor communication (IPC) +protocols can use hardware synchronization primitives, when operating between +two processors not in an SMP relationship. + +The features that HSP supported are shared mailboxes, shared semaphores, +arbitrated semaphores and doorbells. + +Required properties: +- name : Should be hsp +- compatible + Array of strings. + one of: + - "nvidia,tegra186-hsp" +- reg : Offset and length of the register set for the device. +- interrupt-names + Array of strings. + Contains a list of names for the interrupts described by the interrupt + property. May contain the following entries, in any order: + - "doorbell" + Users of this binding MUST look up entries in the interrupt property + by name, using this interrupt-names property to do so. +- interrupts + Array of interrupt specifiers. + Must contain one entry per entry in the interrupt-names property, + in a matching order. +- #mbox-cells : Should be 2. + +The mbox specifier of the "mboxes" property in the client node should +contain two data. The first one should be the HSP type and the second +one should be the ID that the client is going to use. Those information +can be found in the following file. + +- <dt-bindings/mailbox/tegra186-hsp.h>. + +Example: + +hsp_top0: hsp at 3c00000 { + compatible = "nvidia,tegra186-hsp"; + reg = <0x0 0x03c00000 0x0 0xa0000>; + interrupts = <GIC_SPI 176 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "doorbell"; + #mbox-cells = <2>; +}; + +client { + ... + mboxes = <&hsp_top0 TEGRA_HSP_MBOX_TYPE_DB TEGRA_HSP_DB_MASTER_XXX>; +}; diff --git a/include/dt-bindings/mailbox/tegra186-hsp.h b/include/dt-bindings/mailbox/tegra186-hsp.h new file mode 100644 index 000000000000..f5d66e5f5f10 --- /dev/null +++ b/include/dt-bindings/mailbox/tegra186-hsp.h @@ -0,0 +1,24 @@ +/* + * This header provides constants for binding nvidia,tegra186-hsp. + */ + +#ifndef _DT_BINDINGS_MAILBOX_TEGRA186_HSP_H +#define _DT_BINDINGS_MAILBOX_TEGRA186_HSP_H + +/* + * These define the type of mailbox that is to be used (doorbell, shared + * mailbox, shared semaphore or arbitrated semaphore). + */ +#define TEGRA_HSP_MBOX_TYPE_DB 0x0 +#define TEGRA_HSP_MBOX_TYPE_SM 0x1 +#define TEGRA_HSP_MBOX_TYPE_SS 0x2 +#define TEGRA_HSP_MBOX_TYPE_AS 0x3 + +/* + * These defines represent the bit associated with the given master ID in the + * doorbell registers. + */ +#define TEGRA_HSP_DB_MASTER_CCPLEX 17 +#define TEGRA_HSP_DB_MASTER_BPMP 19 + +#endif -- 2.9.0
next prev parent reply other threads:[~2016-08-19 17:32 UTC|newest] Thread overview: 104+ messages / expand[flat|nested] mbox.gz Atom feed top 2016-08-19 17:32 [PATCH v3 00/12] Initial Tegra186 support Thierry Reding 2016-08-19 17:32 ` Thierry Reding [not found] ` <20160819173233.13260-1-thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2016-08-19 17:32 ` Thierry Reding [this message] 2016-08-19 17:32 ` [PATCH v3 01/12] dt-bindings: mailbox: Add Tegra HSP binding Thierry Reding 2016-08-19 17:32 ` [PATCH v3 02/12] mailbox: Add Tegra HSP driver Thierry Reding 2016-08-19 17:32 ` Thierry Reding 2016-08-22 13:43 ` Arnd Bergmann 2016-08-22 13:43 ` Arnd Bergmann 2016-08-22 14:17 ` Thierry Reding 2016-08-22 14:17 ` Thierry Reding [not found] ` <20160822141728.GF17367-EkSeR96xj6Pcmrwk2tT4+A@public.gmane.org> 2016-08-22 16:42 ` Stephen Warren 2016-08-22 16:42 ` Stephen Warren [not found] ` <20160819173233.13260-3-thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2016-08-22 16:53 ` Stephen Warren 2016-08-22 16:53 ` Stephen Warren 2016-08-23 0:06 ` Sivaram Nair 2016-08-23 0:06 ` Sivaram Nair 2016-08-23 0:12 ` Sivaram Nair 2016-08-23 0:12 ` Sivaram Nair 2016-08-19 17:32 ` [PATCH v3 03/12] dt-bindings: firmware: Add bindings for Tegra BPMP Thierry Reding 2016-08-19 17:32 ` Thierry Reding 2016-08-19 17:32 ` [PATCH v3 04/12] firmware: tegra: Add IVC library Thierry Reding 2016-08-19 17:32 ` Thierry Reding [not found] ` <20160819173233.13260-5-thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2016-08-22 10:46 ` Jon Hunter 2016-08-22 10:46 ` Jon Hunter [not found] ` <90222c3a-7c69-6fa3-d161-4ed0c5759f34-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> 2016-08-22 12:40 ` Thierry Reding 2016-08-22 12:40 ` Thierry Reding 2016-08-22 18:49 ` Stephen Warren 2016-08-22 18:49 ` Stephen Warren 2016-08-24 15:13 ` Jon Hunter 2016-08-24 15:13 ` Jon Hunter 2016-08-19 17:32 ` [PATCH v3 05/12] firmware: tegra: Add BPMP support Thierry Reding 2016-08-19 17:32 ` Thierry Reding [not found] ` <20160819173233.13260-6-thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2016-08-22 9:26 ` Jon Hunter 2016-08-22 9:26 ` Jon Hunter [not found] ` <94227d94-1d60-fda7-731b-26656633d585-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> 2016-08-22 12:54 ` Thierry Reding 2016-08-22 12:54 ` Thierry Reding [not found] ` <20160822125458.GC17367-EkSeR96xj6Pcmrwk2tT4+A@public.gmane.org> 2016-08-22 14:24 ` Jon Hunter 2016-08-22 14:24 ` Jon Hunter [not found] ` <6bb4d32f-4f13-285e-430e-672f375a9a46-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> 2016-08-22 15:00 ` Thierry Reding 2016-08-22 15:00 ` Thierry Reding 2016-08-22 18:51 ` Stephen Warren 2016-08-22 18:51 ` Stephen Warren 2016-08-22 13:34 ` Arnd Bergmann 2016-08-22 13:34 ` Arnd Bergmann 2016-08-22 14:02 ` Thierry Reding 2016-08-22 14:02 ` Thierry Reding [not found] ` <20160822140211.GE17367-EkSeR96xj6Pcmrwk2tT4+A@public.gmane.org> 2016-08-22 14:42 ` Arnd Bergmann 2016-08-22 14:42 ` Arnd Bergmann 2016-08-22 15:32 ` Thierry Reding 2016-08-22 15:32 ` Thierry Reding [not found] ` <20160822153258.GB21012-EkSeR96xj6Pcmrwk2tT4+A@public.gmane.org> 2016-08-22 15:43 ` Arnd Bergmann 2016-08-22 15:43 ` Arnd Bergmann 2016-08-22 18:56 ` Stephen Warren 2016-08-22 18:56 ` Stephen Warren 2016-08-23 14:58 ` Arnd Bergmann 2016-08-23 14:58 ` Arnd Bergmann 2016-08-23 23:26 ` Sivaram Nair 2016-08-23 23:26 ` Sivaram Nair 2016-08-22 22:23 ` Stephen Warren 2016-08-22 22:23 ` Stephen Warren 2016-08-19 17:32 ` [PATCH v3 06/12] soc/tegra: Add Tegra186 support Thierry Reding 2016-08-19 17:32 ` Thierry Reding [not found] ` <20160819173233.13260-7-thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2016-08-22 19:01 ` Stephen Warren 2016-08-22 19:01 ` Stephen Warren 2016-08-23 13:44 ` Jon Hunter 2016-08-23 13:44 ` Jon Hunter 2016-08-19 17:32 ` [PATCH v3 07/12] arm64: defconfig: Enable Tegra186 SoC Thierry Reding 2016-08-19 17:32 ` Thierry Reding [not found] ` <20160819173233.13260-8-thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2016-08-22 19:01 ` Stephen Warren 2016-08-22 19:01 ` Stephen Warren 2016-08-19 17:32 ` [PATCH v3 08/12] arm64: dts: tegra: Add Tegra186 support Thierry Reding 2016-08-19 17:32 ` Thierry Reding [not found] ` <20160819173233.13260-9-thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2016-08-22 17:11 ` Stephen Warren 2016-08-22 17:11 ` Stephen Warren 2016-08-22 19:07 ` Stephen Warren 2016-08-22 19:07 ` Stephen Warren 2016-08-19 17:32 ` [PATCH v3 09/12] arm64: dts: tegra: Add NVIDIA P3310 main board support Thierry Reding 2016-08-19 17:32 ` Thierry Reding [not found] ` <20160819173233.13260-10-thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2016-08-22 19:08 ` Stephen Warren 2016-08-22 19:08 ` Stephen Warren 2016-08-23 17:35 ` Jon Hunter 2016-08-23 17:35 ` Jon Hunter 2016-08-19 17:32 ` [PATCH v3 10/12] arm64: dts: tegra: Add NVIDIA P2771 " Thierry Reding 2016-08-19 17:32 ` Thierry Reding [not found] ` <20160819173233.13260-11-thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2016-08-22 19:11 ` Stephen Warren 2016-08-22 19:11 ` Stephen Warren 2016-08-19 17:32 ` [PATCH v3 11/12] clk: tegra: Add BPMP clock driver Thierry Reding 2016-08-19 17:32 ` Thierry Reding [not found] ` <20160819173233.13260-12-thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2016-08-22 10:11 ` Jon Hunter 2016-08-22 10:11 ` Jon Hunter [not found] ` <0d7080bc-9e82-75dd-7169-0a5b7429801e-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> 2016-08-22 13:28 ` Thierry Reding 2016-08-22 13:28 ` Thierry Reding [not found] ` <20160822132833.GD17367-EkSeR96xj6Pcmrwk2tT4+A@public.gmane.org> 2016-08-23 13:49 ` Jon Hunter 2016-08-23 13:49 ` Jon Hunter 2016-08-22 19:47 ` Stephen Warren 2016-08-22 19:47 ` Stephen Warren 2016-08-19 17:32 ` [PATCH v3 12/12] reset: Add Tegra BPMP reset driver Thierry Reding 2016-08-19 17:32 ` Thierry Reding [not found] ` <20160819173233.13260-13-thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2016-08-22 19:56 ` Stephen Warren 2016-08-22 19:56 ` Stephen Warren 2016-11-26 13:39 ` [PATCH v3 00/12] Initial Tegra186 support Pavel Machek 2016-11-26 13:39 ` Pavel Machek [not found] ` <20161126133927.GE20568-5NIqAleC692hcjWhqY66xCZi+YwRKgec@public.gmane.org> 2016-11-28 7:33 ` Thierry Reding 2016-11-28 7:33 ` Thierry Reding
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