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authorLinus Torvalds <torvalds@linux-foundation.org>2024-03-22 09:39:11 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2024-03-22 09:39:11 -0700
commit5ee2433f321b4983809ce1cd8a721c4a58fe6d51 (patch)
treef9d513f1d7d09b1033ff9d536f69cb749b43f576 /Documentation
parent8e938e39866920ddc266898e6ae1fffc5c8f51aa (diff)
parente593a4a2d3ad5e1a4be338b38ed6ba7c70642d88 (diff)
Merge tag 'i2c-for-6.9-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull more i2c updates from Wolfram Sang: "Some more I2C updates after the dependencies have been merged now. Plus a DT binding fix" * tag 'i2c-for-6.9-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: dt-bindings: i2c: qcom,i2c-cci: Fix OV7251 'data-lanes' entries i2c: muxes: pca954x: Allow sharing reset GPIO i2c: nomadik: sort includes i2c: nomadik: support Mobileye EyeQ5 I2C controller i2c: nomadik: fetch i2c-transfer-timeout-us property from devicetree i2c: nomadik: replace jiffies by ktime for FIFO flushing timeout i2c: nomadik: support short xfer timeouts using waitqueue & hrtimer i2c: nomadik: use bitops helpers i2c: nomadik: simplify IRQ masking logic i2c: nomadik: rename private struct pointers from dev to priv dt-bindings: i2c: nomadik: add mobileye,eyeq5-i2c bindings and example
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/i2c/qcom,i2c-cci.yaml2
-rw-r--r--Documentation/devicetree/bindings/i2c/st,nomadik-i2c.yaml49
2 files changed, 44 insertions, 7 deletions
diff --git a/Documentation/devicetree/bindings/i2c/qcom,i2c-cci.yaml b/Documentation/devicetree/bindings/i2c/qcom,i2c-cci.yaml
index 8386cfe21532..f0eabff86310 100644
--- a/Documentation/devicetree/bindings/i2c/qcom,i2c-cci.yaml
+++ b/Documentation/devicetree/bindings/i2c/qcom,i2c-cci.yaml
@@ -270,7 +270,7 @@ examples:
port {
ov7251_ep: endpoint {
- data-lanes = <0 1>;
+ data-lanes = <0>;
link-frequencies = /bits/ 64 <240000000 319200000>;
remote-endpoint = <&csiphy3_ep>;
};
diff --git a/Documentation/devicetree/bindings/i2c/st,nomadik-i2c.yaml b/Documentation/devicetree/bindings/i2c/st,nomadik-i2c.yaml
index 16024415a4a7..44c54b162bb1 100644
--- a/Documentation/devicetree/bindings/i2c/st,nomadik-i2c.yaml
+++ b/Documentation/devicetree/bindings/i2c/st,nomadik-i2c.yaml
@@ -14,9 +14,6 @@ description: The Nomadik I2C host controller began its life in the ST
maintainers:
- Linus Walleij <linus.walleij@linaro.org>
-allOf:
- - $ref: /schemas/i2c/i2c-controller.yaml#
-
# Need a custom select here or 'arm,primecell' will match on lots of nodes
select:
properties:
@@ -24,21 +21,23 @@ select:
contains:
enum:
- st,nomadik-i2c
+ - mobileye,eyeq5-i2c
required:
- compatible
properties:
compatible:
oneOf:
- # The variant found in STn8815
- items:
- const: st,nomadik-i2c
- const: arm,primecell
- # The variant found in DB8500
- items:
- const: stericsson,db8500-i2c
- const: st,nomadik-i2c
- const: arm,primecell
+ - items:
+ - const: mobileye,eyeq5-i2c
+ - const: arm,primecell
reg:
maxItems: 1
@@ -55,7 +54,7 @@ properties:
- items:
- const: mclk
- const: apb_pclk
- # Clock name in DB8500
+ # Clock name in DB8500 or EyeQ5
- items:
- const: i2cclk
- const: apb_pclk
@@ -70,6 +69,16 @@ properties:
minimum: 1
maximum: 400000
+ mobileye,olb:
+ $ref: /schemas/types.yaml#/definitions/phandle-array
+ items:
+ - items:
+ - description: Phandle to OLB system controller node.
+ - description: Platform-wide controller ID (integer starting from zero).
+ description:
+ The phandle pointing to OLB system controller node, with the I2C
+ controller index.
+
required:
- compatible
- reg
@@ -79,6 +88,20 @@ required:
unevaluatedProperties: false
+allOf:
+ - $ref: /schemas/i2c/i2c-controller.yaml#
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: mobileye,eyeq5-i2c
+ then:
+ required:
+ - mobileye,olb
+ else:
+ properties:
+ mobileye,olb: false
+
examples:
- |
#include <dt-bindings/interrupt-controller/irq.h>
@@ -111,5 +134,19 @@ examples:
clocks = <&i2c0clk>, <&pclki2c0>;
clock-names = "mclk", "apb_pclk";
};
+ - |
+ #include <dt-bindings/interrupt-controller/mips-gic.h>
+ i2c@300000 {
+ compatible = "mobileye,eyeq5-i2c", "arm,primecell";
+ reg = <0x300000 0x1000>;
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_SHARED 1 IRQ_TYPE_LEVEL_HIGH>;
+ clock-frequency = <400000>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&i2c_ser_clk>, <&i2c_clk>;
+ clock-names = "i2cclk", "apb_pclk";
+ mobileye,olb = <&olb 0>;
+ };
...