diff mbox

[v3,8/9] eeprom: qfprom: Add bindings for qfprom

Message ID 1427236268-18882-1-git-send-email-srinivas.kandagatla@linaro.org (mailing list archive)
State New, archived
Headers show

Commit Message

Srinivas Kandagatla March 24, 2015, 10:31 p.m. UTC
This patch adds bindings for qfprom found in QCOM SOCs. QFPROM driver
is based on simple eeprom framework.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
---
 .../devicetree/bindings/eeprom/qfprom.txt          | 23 ++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/eeprom/qfprom.txt

Comments

Bjorn Andersson March 25, 2015, 12:28 a.m. UTC | #1
On Tue, Mar 24, 2015 at 11:31 PM, Srinivas Kandagatla
<srinivas.kandagatla@linaro.org> wrote:
> This patch adds bindings for qfprom found in QCOM SOCs. QFPROM driver
> is based on simple eeprom framework.
>
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
> ---
>  .../devicetree/bindings/eeprom/qfprom.txt          | 23 ++++++++++++++++++++++
>  1 file changed, 23 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/eeprom/qfprom.txt
>
> diff --git a/Documentation/devicetree/bindings/eeprom/qfprom.txt b/Documentation/devicetree/bindings/eeprom/qfprom.txt
> new file mode 100644
> index 0000000..d5baed6
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/eeprom/qfprom.txt
> @@ -0,0 +1,23 @@
> += Qualcomm QFPROM device tree bindings =
> +
> +This binding is intended to represent QFPROM which is found in most QCOM SOCs.
> +
> +Required properties:
> +- compatible: should be "qcom,qfprom"
> +- reg: Should contain registers location and length
> +
> += Data cells =
> +Are child nodes of qfprom, bindings of which as described in
> +bindings/eeprom/eeprom.txt
> +
> +Example:
> +
> +       qfprom: qfprom@00700000 {
> +               compatible      = "qcom,qfprom";
> +               reg             = <0x00700000 0x1000>;

The qfprom block starts at 0x700000 and is 0x8000 long.

The registers at the beginning of this block are raw R/W fuse bits and
should not be read directly. Instead there is an ecc corrected shadow
copy of these registers at 0x4000.

> +               ...
> +               /* Data cells */
> +               tsens_calibration: calib@404 {
> +                       reg = <0x404 0x10>;
> +               };
> +       };

Regards,
Bjorn
diff mbox

Patch

diff --git a/Documentation/devicetree/bindings/eeprom/qfprom.txt b/Documentation/devicetree/bindings/eeprom/qfprom.txt
new file mode 100644
index 0000000..d5baed6
--- /dev/null
+++ b/Documentation/devicetree/bindings/eeprom/qfprom.txt
@@ -0,0 +1,23 @@ 
+= Qualcomm QFPROM device tree bindings =
+
+This binding is intended to represent QFPROM which is found in most QCOM SOCs.
+
+Required properties:
+- compatible: should be "qcom,qfprom"
+- reg: Should contain registers location and length
+
+= Data cells =
+Are child nodes of qfprom, bindings of which as described in
+bindings/eeprom/eeprom.txt
+
+Example:
+
+	qfprom: qfprom@00700000 {
+		compatible 	= "qcom,qfprom";
+		reg		= <0x00700000 0x1000>;
+		...
+		/* Data cells */
+		tsens_calibration: calib@404 {
+			reg = <0x404 0x10>;
+		};
+	};