From: Lina Iyer <lina.iyer@linaro.org> To: ulf.hansson@linaro.org, khilman@linaro.org, linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: geert@linux-m68k.org, k.kozlowski@samsung.com, msivasub@codeaurora.org, agross@codeaurora.org, sboyd@codeaurora.org, linux-arm-msm@vger.kernel.org, lorenzo.pieralisi@arm.com, ahaslam@baylibre.com, mtitinger@baylibre.com, Kumar Gala <galak@codeaurora.org>, devicetree@vger.kernel.org Subject: [PATCH RFC 25/27] devicetree: bindings: Document qcom,msm-id and qcom,board-id Date: Tue, 17 Nov 2015 15:37:49 -0700 [thread overview] Message-ID: <1447799871-56374-26-git-send-email-lina.iyer@linaro.org> (raw) In-Reply-To: <1447799871-56374-1-git-send-email-lina.iyer@linaro.org> From: Kumar Gala <galak@codeaurora.org> The top level qcom,msm-id and qcom,board-id are utilized by bootloaders on Qualcomm MSM platforms to determine which device tree should be utilized and passed to the kernel. Cc: <devicetree@vger.kernel.org> Signed-off-by: Kumar Gala <galak@codeaurora.org> --- Documentation/devicetree/bindings/arm/msm/ids.txt | 65 +++++++++++++++++++++++ include/dt-bindings/arm/qcom-ids.h | 33 ++++++++++++ 2 files changed, 98 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/msm/ids.txt create mode 100644 include/dt-bindings/arm/qcom-ids.h diff --git a/Documentation/devicetree/bindings/arm/msm/ids.txt b/Documentation/devicetree/bindings/arm/msm/ids.txt new file mode 100644 index 0000000..9ee8428 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/msm/ids.txt @@ -0,0 +1,65 @@ +* MSM-ID + +The qcom,msm-id entry specifies the MSM chipset and hardware revision. It can +optionally be an array of these to indicate multiple hardware that use the same +device tree. It is expected that the bootloader will use this information at +boot-up to decide which device tree to use when given multiple device trees, +some of which may not be compatible with the actual hardware. It is the +bootloader's responsibility to pass the correct device tree to the kernel. + +PROPERTIES + +- qcom,msm-id: + Usage: required + Value type: <prop-encoded-array> (<chipset_id, rev_id> [, <c2, r2> ..]) + Definition: + The "chipset_id" consists of three fields as below: + + bits 0-15 = The unique MSM chipset id. + bits 16-31 = Reserved. Should be 0 + + chipset_id is an exact match value + + The "rev_id" is a chipset specific 32-bit id that represents + the version of the chipset. + + The rev_id is a best match id. The bootloader will look for + the closest possible patch. + +* BOARD-ID + +The qcom,board-id entry specifies the board type and revision information. It +can optionally be an array of these to indicate multiple boards that use the +same device tree. It is expected that the bootloader will use this information +at boot-up to decide which device tree to use when given multiple device trees, +some of which may not be compatible with the actual hardware. It is the +bootloader's responsibility to pass the correct device tree to the kernel. + +PROPERTIES + +- qcom,board-id: + Usage: required + Value type: <prop-encoded-array> (<board_id, subtype_id> [, <b2, s2> ..]) + Definition: + The "board_id" consists of three fields as below: + + bits 31-24 = Unusued. + bits 23-16 = Platform Version Major + bits 15-8 = Platfrom Version Minor + bits 7-0 = Platform Type + + Platform Type field is an exact match value. The Platform + Major/Minor field is a best match. The bootloader will look + for the closest possible match. + + The "subtype_id" is unique to a Platform Type/Chipset ID. For + a given Platform Type, there will typically only be a single + board and the subtype_id will be 0. However in some cases board + variants may need to be distinquished by different subtype_id + values. + + subtype_id is an exact match value. + +EXAMPLE: + qcom,board-id = <15 2>; + qcom,msm-id = <0x1007e 0>; diff --git a/include/dt-bindings/arm/qcom-ids.h b/include/dt-bindings/arm/qcom-ids.h new file mode 100644 index 0000000..a18f34e --- /dev/null +++ b/include/dt-bindings/arm/qcom-ids.h @@ -0,0 +1,33 @@ +/* Copyright (c) 2015, The Linux Foundation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ +#ifndef __DT_BINDINGS_QCOM_IDS_H +#define __DT_BINDINGS_QCOM_IDS_H + +/* qcom,msm-id */ +#define QCOM_ID_MSM8916 206 +#define QCOM_ID_APQ8016 247 +#define QCOM_ID_MSM8216 248 +#define QCOM_ID_MSM8116 249 +#define QCOM_ID_MSM8616 250 + +/* qcom,board-id */ +#define QCOM_BRD_ID(a, major, minor) \ + (((major & 0xff) << 16) | ((minor & 0xff) << 8) | QCOM_BRD_ID_##a) + +#define QCOM_BRD_ID_MTP 8 +#define QCOM_BRD_ID_DRAGONBRD 10 +#define QCOM_BRD_ID_SBC 24 + +#define QCOM_BRD_SUBTYPE_DEFAULT 0 +#define QCOM_BRD_SUBTYPE_MTP8916_SMB1360 1 + +#endif -- 2.1.4
WARNING: multiple messages have this Message-ID (diff)
From: lina.iyer@linaro.org (Lina Iyer) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH RFC 25/27] devicetree: bindings: Document qcom, msm-id and qcom, board-id Date: Tue, 17 Nov 2015 15:37:49 -0700 [thread overview] Message-ID: <1447799871-56374-26-git-send-email-lina.iyer@linaro.org> (raw) In-Reply-To: <1447799871-56374-1-git-send-email-lina.iyer@linaro.org> From: Kumar Gala <galak@codeaurora.org> The top level qcom,msm-id and qcom,board-id are utilized by bootloaders on Qualcomm MSM platforms to determine which device tree should be utilized and passed to the kernel. Cc: <devicetree@vger.kernel.org> Signed-off-by: Kumar Gala <galak@codeaurora.org> --- Documentation/devicetree/bindings/arm/msm/ids.txt | 65 +++++++++++++++++++++++ include/dt-bindings/arm/qcom-ids.h | 33 ++++++++++++ 2 files changed, 98 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/msm/ids.txt create mode 100644 include/dt-bindings/arm/qcom-ids.h diff --git a/Documentation/devicetree/bindings/arm/msm/ids.txt b/Documentation/devicetree/bindings/arm/msm/ids.txt new file mode 100644 index 0000000..9ee8428 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/msm/ids.txt @@ -0,0 +1,65 @@ +* MSM-ID + +The qcom,msm-id entry specifies the MSM chipset and hardware revision. It can +optionally be an array of these to indicate multiple hardware that use the same +device tree. It is expected that the bootloader will use this information at +boot-up to decide which device tree to use when given multiple device trees, +some of which may not be compatible with the actual hardware. It is the +bootloader's responsibility to pass the correct device tree to the kernel. + +PROPERTIES + +- qcom,msm-id: + Usage: required + Value type: <prop-encoded-array> (<chipset_id, rev_id> [, <c2, r2> ..]) + Definition: + The "chipset_id" consists of three fields as below: + + bits 0-15 = The unique MSM chipset id. + bits 16-31 = Reserved. Should be 0 + + chipset_id is an exact match value + + The "rev_id" is a chipset specific 32-bit id that represents + the version of the chipset. + + The rev_id is a best match id. The bootloader will look for + the closest possible patch. + +* BOARD-ID + +The qcom,board-id entry specifies the board type and revision information. It +can optionally be an array of these to indicate multiple boards that use the +same device tree. It is expected that the bootloader will use this information +at boot-up to decide which device tree to use when given multiple device trees, +some of which may not be compatible with the actual hardware. It is the +bootloader's responsibility to pass the correct device tree to the kernel. + +PROPERTIES + +- qcom,board-id: + Usage: required + Value type: <prop-encoded-array> (<board_id, subtype_id> [, <b2, s2> ..]) + Definition: + The "board_id" consists of three fields as below: + + bits 31-24 = Unusued. + bits 23-16 = Platform Version Major + bits 15-8 = Platfrom Version Minor + bits 7-0 = Platform Type + + Platform Type field is an exact match value. The Platform + Major/Minor field is a best match. The bootloader will look + for the closest possible match. + + The "subtype_id" is unique to a Platform Type/Chipset ID. For + a given Platform Type, there will typically only be a single + board and the subtype_id will be 0. However in some cases board + variants may need to be distinquished by different subtype_id + values. + + subtype_id is an exact match value. + +EXAMPLE: + qcom,board-id = <15 2>; + qcom,msm-id = <0x1007e 0>; diff --git a/include/dt-bindings/arm/qcom-ids.h b/include/dt-bindings/arm/qcom-ids.h new file mode 100644 index 0000000..a18f34e --- /dev/null +++ b/include/dt-bindings/arm/qcom-ids.h @@ -0,0 +1,33 @@ +/* Copyright (c) 2015, The Linux Foundation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ +#ifndef __DT_BINDINGS_QCOM_IDS_H +#define __DT_BINDINGS_QCOM_IDS_H + +/* qcom,msm-id */ +#define QCOM_ID_MSM8916 206 +#define QCOM_ID_APQ8016 247 +#define QCOM_ID_MSM8216 248 +#define QCOM_ID_MSM8116 249 +#define QCOM_ID_MSM8616 250 + +/* qcom,board-id */ +#define QCOM_BRD_ID(a, major, minor) \ + (((major & 0xff) << 16) | ((minor & 0xff) << 8) | QCOM_BRD_ID_##a) + +#define QCOM_BRD_ID_MTP 8 +#define QCOM_BRD_ID_DRAGONBRD 10 +#define QCOM_BRD_ID_SBC 24 + +#define QCOM_BRD_SUBTYPE_DEFAULT 0 +#define QCOM_BRD_SUBTYPE_MTP8916_SMB1360 1 + +#endif -- 2.1.4
next prev parent reply other threads:[~2015-11-17 22:39 UTC|newest] Thread overview: 166+ messages / expand[flat|nested] mbox.gz Atom feed top 2015-11-17 22:37 [PATCH RFC 00/27] PM/Domains: Cluster idle support for ARM SoCs Lina Iyer 2015-11-17 22:37 ` Lina Iyer 2015-11-17 22:37 ` [PATCH RFC 01/27] PM / Domains: core changes for multiple states Lina Iyer 2015-11-17 22:37 ` Lina Iyer 2015-12-09 13:58 ` Ulf Hansson 2015-12-09 13:58 ` Ulf Hansson 2015-12-17 17:58 ` Axel Haslam 2015-12-17 17:58 ` Axel Haslam 2015-12-17 21:19 ` Ulf Hansson 2015-12-17 21:19 ` Ulf Hansson 2015-11-17 22:37 ` [PATCH RFC 02/27] PM / Domains: Allow domain power states to be read from DT Lina Iyer 2015-11-17 22:37 ` Lina Iyer 2015-12-10 16:53 ` Ulf Hansson 2015-12-10 16:53 ` Ulf Hansson 2015-12-15 10:07 ` Marc Titinger 2015-12-15 10:07 ` Marc Titinger 2015-12-15 22:14 ` Lina Iyer 2015-12-15 22:14 ` Lina Iyer 2015-12-16 21:36 ` Lina Iyer 2015-12-16 21:36 ` Lina Iyer 2015-11-17 22:37 ` [PATCH RFC 03/27] PM / Domain: Add additional state specific param Lina Iyer 2015-11-17 22:37 ` Lina Iyer 2015-11-19 21:33 ` Kevin Hilman 2015-11-19 21:33 ` Kevin Hilman 2015-11-17 22:37 ` [PATCH RFC 04/27] PM / Domains: make governor select deepest state Lina Iyer 2015-11-17 22:37 ` Lina Iyer 2015-12-11 9:13 ` Ulf Hansson 2015-12-11 9:13 ` Ulf Hansson 2015-11-17 22:37 ` [PATCH RFC 05/27] PM / Domains: remove old power on/off latencies Lina Iyer 2015-11-17 22:37 ` Lina Iyer 2015-11-18 14:57 ` [PATCH] ARM: imx6: pm: declare pm domain latency on power_state struct Lina Iyer 2015-11-18 14:57 ` Lina Iyer 2015-11-23 13:31 ` Lucas Stach 2015-11-23 13:31 ` Lucas Stach 2015-11-23 13:42 ` Lucas Stach 2015-11-23 13:42 ` Lucas Stach 2015-12-04 23:19 ` Lina Iyer 2015-12-04 23:19 ` Lina Iyer 2015-12-11 9:16 ` [PATCH RFC 05/27] PM / Domains: remove old power on/off latencies Ulf Hansson 2015-12-11 9:16 ` Ulf Hansson 2015-11-17 22:37 ` [PATCH RFC 06/27] PM / Domains: add debugfs 'states' and 'timings' seq files Lina Iyer 2015-11-17 22:37 ` Lina Iyer 2015-12-11 11:46 ` Ulf Hansson 2015-12-11 11:46 ` Ulf Hansson 2015-12-16 11:07 ` Marc Titinger 2015-12-16 11:07 ` Marc Titinger 2015-12-16 12:48 ` Ulf Hansson 2015-12-16 12:48 ` Ulf Hansson 2015-12-16 14:12 ` Marc Titinger 2015-12-16 14:12 ` Marc Titinger 2015-11-17 22:37 ` [PATCH RFC 07/27] PM / Domains: Read domain residency from DT Lina Iyer 2015-11-17 22:37 ` Lina Iyer 2015-11-24 20:41 ` Stephen Boyd 2015-11-24 20:41 ` Stephen Boyd 2015-12-11 11:54 ` Ulf Hansson 2015-12-11 11:54 ` Ulf Hansson 2015-11-17 22:37 ` [PATCH RFC 08/27] PM / Domains: Support IRQ safe PM domains Lina Iyer 2015-11-17 22:37 ` Lina Iyer 2016-01-14 14:42 ` Ulf Hansson 2016-01-14 14:42 ` Ulf Hansson 2016-01-14 18:33 ` Lina Iyer 2016-01-14 18:33 ` Lina Iyer 2016-01-15 8:55 ` Ulf Hansson 2016-01-15 8:55 ` Ulf Hansson 2016-01-15 16:57 ` Lina Iyer 2016-01-15 16:57 ` Lina Iyer 2016-01-15 22:08 ` Ulf Hansson 2016-01-15 22:08 ` Ulf Hansson 2016-01-18 16:58 ` Lina Iyer 2016-01-18 16:58 ` Lina Iyer 2016-01-18 17:00 ` Lina Iyer 2016-01-18 17:00 ` Lina Iyer 2016-01-19 10:01 ` Ulf Hansson 2016-01-19 10:01 ` Ulf Hansson 2015-11-17 22:37 ` [PATCH RFC 09/27] PM / Domains: Attempt runtime suspend of IRQ safe parent domain Lina Iyer 2015-11-17 22:37 ` Lina Iyer 2015-11-17 22:37 ` [PATCH RFC 10/27] drivers: power: Introduce PM domains for CPUs/clusters Lina Iyer 2015-11-17 22:37 ` Lina Iyer 2015-11-24 20:52 ` Stephen Boyd 2015-11-24 20:52 ` Stephen Boyd 2015-11-17 22:37 ` [PATCH RFC 11/27] drivers: cpu: Define CPU devices as IRQ safe Lina Iyer 2015-11-17 22:37 ` Lina Iyer 2015-11-17 22:37 ` [PATCH RFC 12/27] ARM: cpuidle: remove cpu parameter from the cpuidle_ops suspend hook Lina Iyer 2015-11-17 22:37 ` Lina Iyer 2015-11-17 22:37 ` [PATCH RFC 13/27] ARM: cpuidle: Add runtime PM support for CPU idle Lina Iyer 2015-11-17 22:37 ` Lina Iyer 2015-11-18 8:50 ` Zhaoyang Huang 2015-11-18 8:50 ` Zhaoyang Huang 2015-11-18 14:17 ` Lina Iyer 2015-11-18 14:17 ` Lina Iyer 2015-11-19 22:10 ` Kevin Hilman 2015-11-19 22:10 ` Kevin Hilman 2015-11-17 22:37 ` [PATCH RFC 14/27] tick: get next wakeup event for the CPU Lina Iyer 2015-11-17 22:37 ` Lina Iyer 2015-11-17 22:37 ` [PATCH RFC 15/27] PM / Domains: Add next_wakeup to device's timing data Lina Iyer 2015-11-17 22:37 ` Lina Iyer 2015-11-19 22:19 ` Kevin Hilman 2015-11-19 22:19 ` Kevin Hilman 2015-11-20 15:58 ` Lina Iyer 2015-11-20 15:58 ` Lina Iyer 2015-11-17 22:37 ` [PATCH RFC 16/27] ARM: cpuidle: Record the next wakeup event of the CPU Lina Iyer 2015-11-17 22:37 ` Lina Iyer 2015-11-19 23:35 ` Kevin Hilman 2015-11-19 23:35 ` Kevin Hilman 2015-11-20 16:28 ` Lina Iyer 2015-11-20 16:28 ` Lina Iyer 2015-11-24 18:29 ` Kevin Hilman 2015-11-24 18:29 ` Kevin Hilman 2015-11-17 22:37 ` [PATCH RFC 17/27] drivers: cpu-pd: Record CPUs that are part of the domain Lina Iyer 2015-11-17 22:37 ` Lina Iyer 2015-11-24 21:00 ` Stephen Boyd 2015-11-24 21:00 ` Stephen Boyd 2015-11-25 14:13 ` Lina Iyer 2015-11-25 14:13 ` Lina Iyer 2015-11-25 19:12 ` Stephen Boyd 2015-11-25 19:12 ` Stephen Boyd 2015-11-25 20:20 ` Lina Iyer 2015-11-25 20:20 ` Lina Iyer 2015-11-17 22:37 ` [PATCH RFC 18/27] drivers: cpu-pd: Add PM Domain governor for CPUs Lina Iyer 2015-11-17 22:37 ` Lina Iyer 2015-11-18 18:42 ` Lorenzo Pieralisi 2015-11-18 18:42 ` Lorenzo Pieralisi 2015-11-19 8:50 ` Marc Titinger 2015-11-19 8:50 ` Marc Titinger 2015-11-20 17:39 ` Lina Iyer 2015-11-20 17:39 ` Lina Iyer 2015-11-19 23:52 ` Kevin Hilman 2015-11-19 23:52 ` Kevin Hilman 2015-11-20 16:21 ` Lorenzo Pieralisi 2015-11-20 16:21 ` Lorenzo Pieralisi 2015-11-20 16:42 ` Lina Iyer 2015-11-20 16:42 ` Lina Iyer 2015-11-20 0:03 ` Kevin Hilman 2015-11-20 0:03 ` Kevin Hilman 2015-11-17 22:37 ` [PATCH RFC 19/27] drivers: cpu-pd: Invoke CPU PM runtime on hotplug Lina Iyer 2015-11-17 22:37 ` Lina Iyer 2015-11-17 22:37 ` [PATCH RFC 20/27] Documentation: ARM: topology: 'cluster' property for cluster nodes Lina Iyer 2015-11-17 22:37 ` Lina Iyer 2015-11-17 22:37 ` [PATCH RFC 21/27] drivers: cpu-pd: Parse topology to setup CPU PM domains Lina Iyer 2015-11-17 22:37 ` Lina Iyer 2015-12-07 14:54 ` Lorenzo Pieralisi 2015-12-07 14:54 ` Lorenzo Pieralisi 2015-12-08 18:05 ` Lina Iyer 2015-12-08 18:05 ` Lina Iyer 2015-12-10 18:11 ` Lorenzo Pieralisi 2015-12-10 18:11 ` Lorenzo Pieralisi 2015-12-11 9:04 ` Geert Uytterhoeven 2015-12-11 9:04 ` Geert Uytterhoeven 2015-12-11 20:51 ` Lina Iyer 2015-12-11 20:51 ` Lina Iyer 2015-11-17 22:37 ` [PATCH RFC 22/27] drivers: firmware: PSCI: Export psci_has_ext_power_state() Lina Iyer 2015-11-17 22:37 ` Lina Iyer 2015-11-17 22:37 ` [PATCH RFC 23/27] ARM64: psci: Support cluster idle states for OS-Initated Lina Iyer 2015-11-17 22:37 ` Lina Iyer 2015-11-17 22:37 ` [PATCH RFC 24/27] arm64: dts: Add Qualcomm MSM8916, MTP8916, APQ8016, SBC8016 ids Lina Iyer 2015-11-17 22:37 ` Lina Iyer 2015-11-17 22:37 ` Lina Iyer [this message] 2015-11-17 22:37 ` [PATCH RFC 25/27] devicetree: bindings: Document qcom, msm-id and qcom, board-id Lina Iyer 2015-11-19 14:36 ` [PATCH RFC 25/27] devicetree: bindings: Document qcom,msm-id and qcom,board-id Rob Herring 2015-11-19 14:36 ` [PATCH RFC 25/27] devicetree: bindings: Document qcom, msm-id and qcom, board-id Rob Herring 2015-11-19 15:36 ` [PATCH RFC 25/27] devicetree: bindings: Document qcom,msm-id and qcom,board-id Lina Iyer 2015-11-19 15:36 ` [PATCH RFC 25/27] devicetree: bindings: Document qcom, msm-id " Lina Iyer 2015-11-17 22:37 ` [PATCH RFC 26/27] ARM64: dts: Add PSCI cpuidle support for MSM8916 Lina Iyer 2015-11-17 22:37 ` Lina Iyer 2015-11-17 22:37 ` [PATCH RFC 27/27] ARM64: dts: Define CPU power domain " Lina Iyer 2015-11-17 22:37 ` Lina Iyer
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