From: sboyd@codeaurora.org (Stephen Boyd)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v5 06/11] nvmem: Add bindings for simple nvmem framework
Date: Tue, 16 Jun 2015 15:53:52 -0700 [thread overview]
Message-ID: <5580A900.9070902@codeaurora.org> (raw)
In-Reply-To: <1432226652-8947-1-git-send-email-srinivas.kandagatla@linaro.org>
On 05/21/2015 09:44 AM, Srinivas Kandagatla wrote:
> diff --git a/Documentation/devicetree/bindings/nvmem/nvmem.txt b/Documentation/devicetree/bindings/nvmem/nvmem.txt
> new file mode 100644
> index 0000000..ecea654
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/nvmem/nvmem.txt
> @@ -0,0 +1,84 @@
> += NVMEM Data Device Tree Bindings =
> +
> +This binding is intended to represent the location of hardware
> +configuration data stored in NVMEMs.
It would be worthwhile spelling out what NVMEM stands for.
> +
> +On a significant proportion of boards, the manufacturer has stored
> +some data on NVMEM, for the OS to be able to retrieve these information
> +and act upon it. Obviously, the OS has to know about where to retrieve
> +these data from, and where they are stored on the storage device.
> +
> +This document is here to document this.
> +
> += Data providers =
> +Contains bindings specific to provider drivers and data cells as children
> +to this node.
children of this node?
> +
> +Optional properties:
> + read-only: Mark the provider as read only.
> +
> += Data cells =
> +These are the child nodes of the provider which contain data cell
> +information like offset and size in nvmem provider.
> +
> +Required properties:
> +reg: specifies the offset in byte within that storage device, start bit
> + in the byte and the length in bits of the data we care about.
> + There could be more then one offset-length pairs in this property.
s/then/than/
> +
> +Optional properties:
> +
> +bit-offset: specifies the offset in bit within the address range specified
> + by reg property. Can take values from 0-7.
> +nbits: specifies number of bits this cell occupies starting from bit-offset.
> +
Hopefully the consumer knows the endianness of the data stored.
> +For example:
> +
> + /* Provider */
> + qfprom: qfprom at 00700000 {
> + ...
> +
> + /* Data cells */
> + tsens_calibration: calib at 404 {
> + reg = <0x404 0x10>;
> + };
> +
> + tsens_calibration_bckp: calib_bckp at 504 {
> + reg = <0x504 0x11>;
> + bit-offset = 6;
> + nbits = 128;
> + };
> +
> + pvs_version: pvs-version at 6 {
> + reg = <0x6 0x2>
> + bit-offset = 7;
> + nbits = 2;
> + };
> +
> + speed_bin: speed-bin at c{
> + reg = <0xc 0x1>;
> + bit-offset = 2;
> + nbits = 3;
> +
> + };
> + ...
> + };
> +
> += Data consumers =
> +Are device nodes which consume nvmem data cells/providers.
> +
> +Required-properties:
> +nvmem-cell: list of phandle to the nvmem data cells.
> +nvmem-cell-names: names for the each nvmem-cell specified
> +
> +Optional-properties:
> +nvmem : list of phandles to nvmem providers.
> +nvmem-names: names for the each nvmem provider.
Is nvmem-names required if nvmem is used?
--
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project
next prev parent reply other threads:[~2015-06-16 22:53 UTC|newest]
Thread overview: 153+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-19 17:07 [RFC PATCH 0/3] Add simple EEPROM Framework via regmap Srinivas Kandagatla
2015-02-19 17:08 ` [RFC PATCH 1/3] eeprom: Add a simple EEPROM framework Srinivas Kandagatla
2015-02-19 18:12 ` Andrew Lunn
2015-02-20 8:27 ` Srinivas Kandagatla
2015-02-20 2:36 ` Stephen Boyd
2015-02-20 8:14 ` Srinivas Kandagatla
2015-02-20 10:24 ` Srinivas Kandagatla
2015-02-20 17:21 ` Rob Herring
2015-02-20 19:25 ` Srinivas Kandagatla
2015-02-20 22:01 ` Rob Herring
2015-02-21 11:31 ` Srinivas Kandagatla
2015-02-22 14:34 ` Maxime Ripard
2015-02-22 14:32 ` Maxime Ripard
2015-02-23 0:57 ` Rob Herring
2015-02-23 23:11 ` Stephen Boyd
2015-02-24 7:08 ` Srinivas Kandagatla
2015-02-24 9:21 ` Maxime Ripard
2015-02-25 1:30 ` Stephen Boyd
2015-02-26 9:16 ` Srinivas Kandagatla
2015-02-26 13:21 ` Maxime Ripard
2015-02-26 14:56 ` Srinivas Kandagatla
2015-02-26 13:18 ` Maxime Ripard
2015-02-23 9:15 ` Sascha Hauer
2015-02-20 17:46 ` Russell King - ARM Linux
2015-02-20 19:00 ` Srinivas Kandagatla
2015-02-23 15:04 ` Mark Brown
2015-02-23 15:38 ` Srinivas Kandagatla
2015-02-19 17:08 ` [RFC PATCH 2/3] eeprom: sunxi: Move the SID driver to the eeprom framework Srinivas Kandagatla
2015-02-20 17:47 ` Russell King - ARM Linux
2015-02-19 17:08 ` [RFC PATCH 3/3] eeprom: qfprom: Add Qualcomm QFPROM support Srinivas Kandagatla
2015-02-20 17:48 ` Russell King - ARM Linux
2015-03-05 9:44 ` [PATCH v1 0/6] Add simple EEPROM Framework via regmap Srinivas Kandagatla
2015-03-05 9:45 ` [PATCH v1 1/6] eeprom: Add a simple EEPROM framework for eeprom providers Srinivas Kandagatla
2015-03-05 10:23 ` Paul Bolle
2015-03-05 10:35 ` Srinivas Kandagatla
2015-03-07 15:00 ` Mark Brown
2015-03-09 7:13 ` Srinivas Kandagatla
2015-03-05 9:45 ` [PATCH v1 2/6] eeprom: Add a simple EEPROM framework for eeprom consumers Srinivas Kandagatla
2015-03-05 9:46 ` [PATCH v1 3/6] eeprom: Add bindings for simple eeprom framework Srinivas Kandagatla
2015-03-05 20:11 ` Rob Herring
2015-03-05 22:34 ` Srinivas Kandagatla
2015-03-05 9:46 ` [PATCH v1 4/6] eeprom: sunxi: Move the SID driver to the " Srinivas Kandagatla
2015-03-05 10:15 ` Paul Bolle
2015-03-05 18:36 ` Maxime Ripard
2015-03-05 9:46 ` [PATCH v1 5/6] eeprom: qfprom: Add Qualcomm QFPROM support Srinivas Kandagatla
2015-03-05 10:02 ` Paul Bolle
2015-03-05 10:10 ` Srinivas Kandagatla
2015-03-05 9:46 ` [PATCH v1 6/6] eeprom: Add to MAINTAINERS for eeprom framework Srinivas Kandagatla
2015-03-13 9:49 ` [PATCH v2 0/7] Add simple EEPROM Framework via regmap Srinivas Kandagatla
2015-03-13 9:50 ` [PATCH v2 1/7] eeprom: Add a simple EEPROM framework for eeprom providers Srinivas Kandagatla
2015-03-23 21:09 ` Mark Brown
2015-03-23 22:05 ` Srinivas Kandagatla
2015-03-24 9:18 ` Srinivas Kandagatla
2015-03-24 17:23 ` Mark Brown
2015-03-24 18:34 ` Srinivas Kandagatla
2015-03-24 19:02 ` Mark Brown
2015-03-24 19:26 ` Srinivas Kandagatla
2015-03-24 20:55 ` Mark Brown
2015-03-13 9:50 ` [PATCH v2 2/7] eeprom: Add a simple EEPROM framework for eeprom consumers Srinivas Kandagatla
2015-03-13 9:50 ` [PATCH v2 3/7] eeprom: Add bindings for simple eeprom framework Srinivas Kandagatla
2015-03-13 9:50 ` [PATCH v2 4/7] eeprom: sunxi: Move the SID driver to the " Srinivas Kandagatla
2015-03-13 9:50 ` [PATCH v2 5/7] eeprom: qfprom: Add Qualcomm QFPROM support Srinivas Kandagatla
2015-03-13 9:50 ` [PATCH v2 6/7] eeprom: qfprom: Add bindings for qfprom Srinivas Kandagatla
2015-03-13 9:51 ` [PATCH v2 7/7] eeprom: Add to MAINTAINERS for eeprom framework Srinivas Kandagatla
2015-03-24 22:28 ` [PATCH v3 0/9] Add simple EEPROM Framework via regmap Srinivas Kandagatla
2015-03-24 22:29 ` [PATCH v3 1/9] regmap: Introduce regmap_get_max_register Srinivas Kandagatla
2015-03-24 22:36 ` Mark Brown
2015-03-24 23:05 ` Srinivas Kandagatla
2015-03-24 23:23 ` Joe Perches
2015-03-24 22:30 ` [PATCH v3 2/9] regmap: Introduce regmap_get_reg_stride Srinivas Kandagatla
2015-03-24 22:37 ` Mark Brown
2015-03-24 23:07 ` Srinivas Kandagatla
2015-03-24 22:30 ` [PATCH v3 3/9] eeprom: Add a simple EEPROM framework for eeprom providers Srinivas Kandagatla
2015-03-24 22:53 ` Mark Brown
2015-03-26 16:23 ` Srinivas Kandagatla
2015-03-24 22:30 ` [PATCH v3 4/9] eeprom: Add a simple EEPROM framework for eeprom consumers Srinivas Kandagatla
2015-03-25 7:16 ` Sascha Hauer
2015-03-25 12:29 ` Srinivas Kandagatla
2015-03-24 22:30 ` [PATCH v3 5/9] eeprom: Add bindings for simple eeprom framework Srinivas Kandagatla
2015-03-25 7:10 ` Sascha Hauer
2015-03-25 16:40 ` Maxime Ripard
2015-03-24 22:30 ` [PATCH v3 6/9] eeprom: sunxi: Move the SID driver to the " Srinivas Kandagatla
2015-03-24 22:30 ` [PATCH v3 7/9] eeprom: qfprom: Add Qualcomm QFPROM support Srinivas Kandagatla
2015-03-24 22:31 ` [PATCH v3 8/9] eeprom: qfprom: Add bindings for qfprom Srinivas Kandagatla
2015-03-25 0:28 ` Bjorn Andersson
2015-03-24 22:31 ` [PATCH v3 9/9] eeprom: Add to MAINTAINERS for eeprom framework Srinivas Kandagatla
2015-03-30 21:54 ` [PATCH v4 00/10] Add simple EEPROM Framework via regmap Srinivas Kandagatla
2015-03-30 21:56 ` [PATCH v4 01/10] regmap: Introduce regmap_get_max_register Srinivas Kandagatla
2015-05-04 12:05 ` Mark Brown
2015-03-30 21:57 ` [PATCH v4 02/10] regmap: Introduce regmap_get_reg_stride Srinivas Kandagatla
2015-03-30 21:57 ` [PATCH v4 03/10] eeprom: Add a simple EEPROM framework for eeprom providers Srinivas Kandagatla
2015-03-30 21:57 ` [PATCH v4 04/10] eeprom: Add a simple EEPROM framework for eeprom consumers Srinivas Kandagatla
2015-04-07 18:45 ` Stephen Boyd
2015-04-07 20:09 ` Srinivas Kandagatla
2015-04-09 14:45 ` Stephen Boyd
2015-04-10 11:45 ` Maxime Ripard
2015-05-05 11:46 ` Srinivas Kandagatla
2015-05-08 5:23 ` Sascha Hauer
2015-05-06 17:28 ` Mark Brown
2015-03-30 21:57 ` [PATCH v4 05/10] eeprom: Add bindings for simple eeprom framework Srinivas Kandagatla
2015-04-06 13:32 ` Matt Porter
2015-04-06 14:11 ` Rob Herring
2015-04-06 15:04 ` Matt Porter
2015-04-07 17:35 ` Srinivas Kandagatla
2015-04-07 17:46 ` Mark Brown
2015-04-07 18:03 ` Srinivas Kandagatla
2015-04-07 19:46 ` Matt Porter
2015-04-08 9:24 ` Srinivas Kandagatla
2015-03-30 21:58 ` [PATCH v4 06/10] eeprom: Add simple eeprom-mmio consumer helper functions Srinivas Kandagatla
2015-03-30 21:58 ` [PATCH v4 07/10] eeprom: qfprom: Add Qualcomm QFPROM support Srinivas Kandagatla
2015-03-30 21:58 ` [PATCH v4 08/10] eeprom: qfprom: Add bindings for qfprom Srinivas Kandagatla
2015-03-30 21:58 ` [PATCH v4 09/10] eeprom: sunxi: Move the SID driver to the eeprom framework Srinivas Kandagatla
2015-03-30 21:58 ` [PATCH v4 10/10] eeprom: Add to MAINTAINERS for " Srinivas Kandagatla
2015-05-21 16:42 ` [PATCH v5 00/11] Add simple NVMEM Framework via regmap Srinivas Kandagatla
2015-05-21 16:42 ` [PATCH v5 01/11] regmap: Introduce regmap_get_max_register Srinivas Kandagatla
2015-05-22 11:18 ` Mark Brown
2015-05-21 16:42 ` [PATCH v5 02/11] regmap: Introduce regmap_get_reg_stride Srinivas Kandagatla
2015-05-22 11:19 ` Mark Brown
2015-05-21 16:43 ` [PATCH v5 03/11] nvmem: Add a simple NVMEM framework for nvmem providers Srinivas Kandagatla
2015-06-16 22:43 ` Stephen Boyd
2015-06-18 12:46 ` Srinivas Kandagatla
2015-06-24 0:24 ` Stephen Boyd
2015-06-24 10:05 ` Srinivas Kandagatla
2015-05-21 16:43 ` [PATCH v5 04/11] nvmem: Add a simple NVMEM framework for consumers Srinivas Kandagatla
2015-06-16 22:29 ` Stephen Boyd
2015-06-17 8:00 ` Sascha Hauer
2015-06-18 12:56 ` Srinivas Kandagatla
2015-05-21 16:43 ` [PATCH v5 05/11] nvmem: Add nvmem_device based consumer apis Srinivas Kandagatla
2015-06-16 22:49 ` Stephen Boyd
2015-06-18 12:57 ` Srinivas Kandagatla
2015-05-21 16:44 ` [PATCH v5 06/11] nvmem: Add bindings for simple nvmem framework Srinivas Kandagatla
2015-06-16 22:53 ` Stephen Boyd [this message]
2015-06-18 13:01 ` Srinivas Kandagatla
2015-06-19 10:36 ` maitysanchayan at gmail.com
2015-06-19 10:59 ` Srinivas Kandagatla
2015-05-21 16:44 ` [PATCH v5 07/11] nvmem: Add simple nvmem-mmio consumer helper functions Srinivas Kandagatla
2015-06-16 22:58 ` Stephen Boyd
2015-06-18 13:08 ` Srinivas Kandagatla
2015-05-21 16:44 ` [PATCH v5 08/11] nvmem: qfprom: Add Qualcomm QFPROM support Srinivas Kandagatla
2015-06-16 23:00 ` Stephen Boyd
2015-06-18 13:22 ` Srinivas Kandagatla
2015-05-21 16:44 ` [PATCH v5 09/11] nvmem: qfprom: Add bindings for qfprom Srinivas Kandagatla
2015-06-16 23:01 ` Stephen Boyd
2015-05-21 16:45 ` [PATCH v5 11/11] nvmem: Add to MAINTAINERS for nvmem framework Srinivas Kandagatla
2015-05-21 16:45 ` [PATCH v5 10/11] nvmem: sunxi: Move the SID driver to the " Srinivas Kandagatla
2015-06-16 23:04 ` Stephen Boyd
2015-06-18 13:09 ` Srinivas Kandagatla
2015-05-25 16:51 ` [PATCH v5 00/11] Add simple NVMEM Framework via regmap Pantelis Antoniou
2015-05-26 9:12 ` Srinivas Kandagatla
2015-05-26 17:54 ` Pantelis Antoniou
2015-05-29 1:20 ` Dan Williams
2015-05-29 7:09 ` Srinivas Kandagatla
2015-05-29 21:44 ` Dan Williams
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