summaryrefslogtreecommitdiff
path: root/Documentation
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2022-12-16 01:47:10 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2022-12-16 01:47:10 +0300
commitec9187ecea142593c54cf7a73ef2e1a3d517495a (patch)
tree69989f535a52c4bc5d95c779d08e9badb28d1646 /Documentation
parent785d21ba2f447fb26df4b22f45653763beb767ea (diff)
parent39244cc754829bf707dccd12e2ce37510f5b1f8d (diff)
downloadlinux-ec9187ecea142593c54cf7a73ef2e1a3d517495a.tar.xz
Merge tag 'i2c-for-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang: "Core got a new helper 'i2c_client_get_device_id()', designware got some bigger updates, the rest is driver updates all over the place" * tag 'i2c-for-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (41 commits) i2c: ismt: Fix an out-of-bounds bug in ismt_access() i2c: mux: reg: check return value after calling platform_get_resource() i2c: xiic: Make sure to disable clock on .remove() i2c: hisi: Add support to get clock frequency from clock i2c: pxa-pci: fix missing pci_disable_device() on error in ce4100_i2c_probe i2c: slave-eeprom: Convert to i2c's .probe_new() i2c: mux: pca954x: Convert to i2c's .probe_new() drivers/i2c: use simple i2c probe i2c: mux: pca9541: switch to using .probe_new i2c: gpio: Fix potential unused warning for 'i2c_gpio_dt_ids' i2c: qcom-geni: add support for I2C Master Hub variant i2c: qcom-geni: add desc struct to prepare support for I2C Master Hub variant soc: qcom: geni-se: add support for I2C Master Hub wrapper variant soc: qcom: geni-se: add desc struct to specify clocks from device match data dt-bindings: i2c: qcom-geni: document I2C Master Hub serial I2C engine dt-bindings: qcom: geni-se: document I2C Master Hub wrapper variant dt-bindings: i2c: renesas,riic: Document RZ/Five SoC i2c: tegra: Set ACPI node as primary fwnode i2c: smbus: add DDR support for SPD i2c: /pasemi: PASemi I2C controller IRQ enablement ...
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/i2c/hisilicon,ascend910-i2c.yaml73
-rw-r--r--Documentation/devicetree/bindings/i2c/i2c-mt65xx.yaml1
-rw-r--r--Documentation/devicetree/bindings/i2c/marvell,mv64xxx-i2c.yaml1
-rw-r--r--Documentation/devicetree/bindings/i2c/qcom,i2c-geni-qcom.yaml64
-rw-r--r--Documentation/devicetree/bindings/i2c/renesas,riic.yaml2
-rw-r--r--Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.yaml44
6 files changed, 168 insertions, 17 deletions
diff --git a/Documentation/devicetree/bindings/i2c/hisilicon,ascend910-i2c.yaml b/Documentation/devicetree/bindings/i2c/hisilicon,ascend910-i2c.yaml
new file mode 100644
index 000000000000..7d7a8de7bcd8
--- /dev/null
+++ b/Documentation/devicetree/bindings/i2c/hisilicon,ascend910-i2c.yaml
@@ -0,0 +1,73 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/i2c/hisilicon,ascend910-i2c.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: HiSilicon common I2C controller
+
+maintainers:
+ - Yicong Yang <yangyicong@hisilicon.com>
+
+description:
+ The HiSilicon common I2C controller can be used for many different
+ types of SoC such as Huawei Ascend AI series chips.
+
+allOf:
+ - $ref: /schemas/i2c/i2c-controller.yaml#
+
+properties:
+ compatible:
+ const: hisilicon,ascend910-i2c
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+
+ clock-frequency:
+ default: 400000
+
+ i2c-sda-falling-time-ns:
+ default: 343
+
+ i2c-scl-falling-time-ns:
+ default: 203
+
+ i2c-sda-hold-time-ns:
+ default: 830
+
+ i2c-scl-rising-time-ns:
+ default: 365
+
+ i2c-digital-filter-width-ns:
+ default: 0
+
+required:
+ - compatible
+ - reg
+ - interrupts
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+ i2c@38b0000 {
+ compatible = "hisilicon,ascend910-i2c";
+ reg = <0x38b0000 0x10000>;
+ interrupts = <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>;
+ i2c-sda-falling-time-ns = <56>;
+ i2c-scl-falling-time-ns = <56>;
+ i2c-sda-hold-time-ns = <56>;
+ i2c-scl-rising-time-ns = <56>;
+ i2c-digital-filter;
+ i2c-digital-filter-width-ns = <0x0>;
+ clocks = <&alg_clk>;
+ clock-frequency = <400000>;
+ };
diff --git a/Documentation/devicetree/bindings/i2c/i2c-mt65xx.yaml b/Documentation/devicetree/bindings/i2c/i2c-mt65xx.yaml
index 4e730fb7be56..421563bf576c 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-mt65xx.yaml
+++ b/Documentation/devicetree/bindings/i2c/i2c-mt65xx.yaml
@@ -23,6 +23,7 @@ properties:
- const: mediatek,mt6577-i2c
- const: mediatek,mt6589-i2c
- const: mediatek,mt7622-i2c
+ - const: mediatek,mt7986-i2c
- const: mediatek,mt8168-i2c
- const: mediatek,mt8173-i2c
- const: mediatek,mt8183-i2c
diff --git a/Documentation/devicetree/bindings/i2c/marvell,mv64xxx-i2c.yaml b/Documentation/devicetree/bindings/i2c/marvell,mv64xxx-i2c.yaml
index 93c164aa00da..984fc1ed3ec6 100644
--- a/Documentation/devicetree/bindings/i2c/marvell,mv64xxx-i2c.yaml
+++ b/Documentation/devicetree/bindings/i2c/marvell,mv64xxx-i2c.yaml
@@ -19,6 +19,7 @@ properties:
- const: allwinner,sun6i-a31-i2c
- items:
- enum:
+ - allwinner,suniv-f1c100s-i2c
- allwinner,sun8i-a23-i2c
- allwinner,sun8i-a83t-i2c
- allwinner,sun8i-v536-i2c
diff --git a/Documentation/devicetree/bindings/i2c/qcom,i2c-geni-qcom.yaml b/Documentation/devicetree/bindings/i2c/qcom,i2c-geni-qcom.yaml
index 0e7ed00562e2..f5f7dc8f325c 100644
--- a/Documentation/devicetree/bindings/i2c/qcom,i2c-geni-qcom.yaml
+++ b/Documentation/devicetree/bindings/i2c/qcom,i2c-geni-qcom.yaml
@@ -10,18 +10,19 @@ maintainers:
- Andy Gross <agross@kernel.org>
- Bjorn Andersson <bjorn.andersson@linaro.org>
-allOf:
- - $ref: /schemas/i2c/i2c-controller.yaml#
-
properties:
compatible:
- const: qcom,geni-i2c
+ enum:
+ - qcom,geni-i2c
+ - qcom,geni-i2c-master-hub
clocks:
- maxItems: 1
+ minItems: 1
+ maxItems: 2
clock-names:
- const: se
+ minItems: 1
+ maxItems: 2
clock-frequency:
default: 100000
@@ -35,13 +36,12 @@ properties:
- const: rx
interconnects:
+ minItems: 2
maxItems: 3
interconnect-names:
- items:
- - const: qup-core
- - const: qup-config
- - const: qup-memory
+ minItems: 2
+ maxItems: 3
interrupts:
maxItems: 1
@@ -71,6 +71,50 @@ required:
- clock-names
- reg
+allOf:
+ - $ref: /schemas/i2c/i2c-controller.yaml#
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: qcom,geni-i2c-master-hub
+ then:
+ properties:
+ clocks:
+ minItems: 2
+
+ clock-names:
+ items:
+ - const: se
+ - const: core
+
+ dmas: false
+ dma-names: false
+
+ interconnects:
+ maxItems: 2
+
+ interconnect-names:
+ items:
+ - const: qup-core
+ - const: qup-config
+ else:
+ properties:
+ clocks:
+ maxItems: 1
+
+ clock-names:
+ const: se
+
+ interconnects:
+ minItems: 3
+
+ interconnect-names:
+ items:
+ - const: qup-core
+ - const: qup-config
+ - const: qup-memory
+
unevaluatedProperties: false
examples:
diff --git a/Documentation/devicetree/bindings/i2c/renesas,riic.yaml b/Documentation/devicetree/bindings/i2c/renesas,riic.yaml
index d3c0d5c427ac..2291a7cd619b 100644
--- a/Documentation/devicetree/bindings/i2c/renesas,riic.yaml
+++ b/Documentation/devicetree/bindings/i2c/renesas,riic.yaml
@@ -19,7 +19,7 @@ properties:
- enum:
- renesas,riic-r7s72100 # RZ/A1H
- renesas,riic-r7s9210 # RZ/A2M
- - renesas,riic-r9a07g043 # RZ/G2UL
+ - renesas,riic-r9a07g043 # RZ/G2UL and RZ/Five
- renesas,riic-r9a07g044 # RZ/G2{L,LC}
- renesas,riic-r9a07g054 # RZ/V2L
- const: renesas,riic-rz # RZ/A or RZ/G2L
diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.yaml
index 2bf5293fc995..ab4df0205285 100644
--- a/Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.yaml
+++ b/Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.yaml
@@ -21,20 +21,19 @@ properties:
compatible:
enum:
- qcom,geni-se-qup
+ - qcom,geni-se-i2c-master-hub
reg:
description: QUP wrapper common register address and length.
maxItems: 1
clock-names:
- items:
- - const: m-ahb
- - const: s-ahb
+ minItems: 1
+ maxItems: 2
clocks:
- items:
- - description: Master AHB Clock
- - description: Slave AHB Clock
+ minItems: 1
+ maxItems: 2
"#address-cells":
const: 2
@@ -81,6 +80,39 @@ patternProperties:
description: GENI Serial Engine based UART Controller.
$ref: /schemas/serial/qcom,serial-geni-qcom.yaml#
+allOf:
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: qcom,geni-se-i2c-master-hub
+ then:
+ properties:
+ clock-names:
+ items:
+ - const: s-ahb
+
+ clocks:
+ items:
+ - description: Slave AHB Clock
+
+ iommus: false
+
+ patternProperties:
+ "spi@[0-9a-f]+$": false
+ "serial@[0-9a-f]+$": false
+ else:
+ properties:
+ clock-names:
+ items:
+ - const: m-ahb
+ - const: s-ahb
+
+ clocks:
+ items:
+ - description: Master AHB Clock
+ - description: Slave AHB Clock
+
additionalProperties: false
examples: