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authorLinus Torvalds <torvalds@linux-foundation.org>2025-05-30 10:07:53 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2025-05-30 10:07:53 -0700
commit883e3c9f40814377a239ca0becbcc77deab5ffe5 (patch)
tree9aaf7f1d2f03b947d75a6812a77ae66d449de064 /Documentation/devicetree
parentMerge tag 'pinctrl-v6.16-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl (diff)
parenti2c: Use str_read_write() helper (diff)
downloadlinux-rng-883e3c9f40814377a239ca0becbcc77deab5ffe5.tar.xz
linux-rng-883e3c9f40814377a239ca0becbcc77deab5ffe5.zip
Merge tag 'i2c-for-6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang: "Core updates: - move towards using the 'fwnode' handle instead of 'of_node' (meaning 'of_node' even gets removed from i2c_board_info) - add support for Write Disable-aware SPD eeproms - minor stuff (use new helpers, typo fixes) i2c-atr (address translator) updates: - support per-channel alias pools - added support for dynamic address translation (also adds FPC202 driver as its user) - add 'static' and 'passthrough' flags Cleanups and refactorings - Many drivers switched to dev_err_probe() - Generic cleanups applied to designware, iproc, ismt, mlxbf, npcm7xx, qcom-geni, pasemi, and thunderx - davinci: declare I2C mangling support among I2C features - designware: clean up DTS handling - designware: fix PM runtime on driver unregister - imx: improve error logging during probe - lpc2k: improve checks in probe error path - xgene-slimpro: improve PCC shared memory handling - pasemi: improve error handling in reset, smbus clear, timeouts - tegra: validate buffer length during transfers - wmt: convert binding to YAML format Improvements and extended support: - microchip-core: add SMBus support - mlxbf: add support for repeated start in block transfers - mlxbf: improve timer configuration - npcm: attempt clock toggle recovery before failing init - octeon: add support for block mode operations - pasemi: add support for unjam device feature - riic: add support for bus recovery New device support: - MediaTek Dimensity 1200 (MT6893) - Sophgo SG2044 - Renesas RZ/V2N (R9A09G056) - Rockchip RK3528 - AMD ISP (new driver)" * tag 'i2c-for-6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (89 commits) i2c: Use str_read_write() helper i2c: mlxbf: avoid 64-bit division i2c: viai2c-wmt: Replace dev_err() with dev_err_probe() in probe function i2c: designware: Don't warn about missing get_clk_rate_khz i2c: designware: Invoke runtime suspend on quick slave re-registration i2c-mlxbf: Improve I2C bus timing configuration i2c-mlxbf: Add repeated start condition support i2c: xgene-slimpro: Replace dev_err() with dev_err_probe() in probe function dt-bindings: i2c: i2c-wmt: Convert to YAML i2c: microchip-corei2c: add smbus support i2c: mlxbf: Allow build with COMPILE_TEST i2c: I2C_DESIGNWARE_AMDISP should depend on DRM_AMD_ISP i2c: atr: add passthrough flag i2c: atr: add static flag i2c: atr: allow replacing mappings in attach_addr() i2c: atr: deduplicate logic in attach_addr() i2c: atr: do not create mapping in detach_addr() i2c: atr: split up i2c_atr_get_mapping_by_addr() i2c: atr: find_mapping() -> get_mapping() i2c: atr: Fix lockdep for nested ATRs ...
Diffstat (limited to 'Documentation/devicetree')
-rw-r--r--Documentation/devicetree/bindings/i2c/i2c-mt65xx.yaml1
-rw-r--r--Documentation/devicetree/bindings/i2c/i2c-rk3x.yaml1
-rw-r--r--Documentation/devicetree/bindings/i2c/i2c-wmt.txt24
-rw-r--r--Documentation/devicetree/bindings/i2c/renesas,riic.yaml1
-rw-r--r--Documentation/devicetree/bindings/i2c/snps,designware-i2c.yaml12
-rw-r--r--Documentation/devicetree/bindings/i2c/wm,wm8505-i2c.yaml47
-rw-r--r--Documentation/devicetree/bindings/misc/ti,fpc202.yaml94
7 files changed, 149 insertions, 31 deletions
diff --git a/Documentation/devicetree/bindings/i2c/i2c-mt65xx.yaml b/Documentation/devicetree/bindings/i2c/i2c-mt65xx.yaml
index fda0467cdd95..23fe8ff76645 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-mt65xx.yaml
+++ b/Documentation/devicetree/bindings/i2c/i2c-mt65xx.yaml
@@ -52,6 +52,7 @@ properties:
- const: mediatek,mt8173-i2c
- items:
- enum:
+ - mediatek,mt6893-i2c
- mediatek,mt8195-i2c
- const: mediatek,mt8192-i2c
diff --git a/Documentation/devicetree/bindings/i2c/i2c-rk3x.yaml b/Documentation/devicetree/bindings/i2c/i2c-rk3x.yaml
index 8101afa6f146..2f1e97969c3f 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-rk3x.yaml
+++ b/Documentation/devicetree/bindings/i2c/i2c-rk3x.yaml
@@ -37,6 +37,7 @@ properties:
- rockchip,px30-i2c
- rockchip,rk3308-i2c
- rockchip,rk3328-i2c
+ - rockchip,rk3528-i2c
- rockchip,rk3562-i2c
- rockchip,rk3568-i2c
- rockchip,rk3576-i2c
diff --git a/Documentation/devicetree/bindings/i2c/i2c-wmt.txt b/Documentation/devicetree/bindings/i2c/i2c-wmt.txt
deleted file mode 100644
index 94a425eaa6c7..000000000000
--- a/Documentation/devicetree/bindings/i2c/i2c-wmt.txt
+++ /dev/null
@@ -1,24 +0,0 @@
-* Wondermedia I2C Controller
-
-Required properties :
-
- - compatible : should be "wm,wm8505-i2c"
- - reg : Offset and length of the register set for the device
- - interrupts : <IRQ> where IRQ is the interrupt number
- - clocks : phandle to the I2C clock source
-
-Optional properties :
-
- - clock-frequency : desired I2C bus clock frequency in Hz.
- Valid values are 100000 and 400000.
- Default to 100000 if not specified, or invalid value.
-
-Example :
-
- i2c_0: i2c@d8280000 {
- compatible = "wm,wm8505-i2c";
- reg = <0xd8280000 0x1000>;
- interrupts = <19>;
- clocks = <&clki2c0>;
- clock-frequency = <400000>;
- };
diff --git a/Documentation/devicetree/bindings/i2c/renesas,riic.yaml b/Documentation/devicetree/bindings/i2c/renesas,riic.yaml
index 1b7fed232642..cc39511a49d6 100644
--- a/Documentation/devicetree/bindings/i2c/renesas,riic.yaml
+++ b/Documentation/devicetree/bindings/i2c/renesas,riic.yaml
@@ -29,6 +29,7 @@ properties:
- enum:
- renesas,riic-r9a08g045 # RZ/G3S
- renesas,riic-r9a09g047 # RZ/G3E
+ - renesas,riic-r9a09g056 # RZ/V2N
- const: renesas,riic-r9a09g057 # RZ/V2H(P)
- const: renesas,riic-r9a09g057 # RZ/V2H(P)
diff --git a/Documentation/devicetree/bindings/i2c/snps,designware-i2c.yaml b/Documentation/devicetree/bindings/i2c/snps,designware-i2c.yaml
index bc5d0fb5abfe..d904191bb0c6 100644
--- a/Documentation/devicetree/bindings/i2c/snps,designware-i2c.yaml
+++ b/Documentation/devicetree/bindings/i2c/snps,designware-i2c.yaml
@@ -32,15 +32,13 @@ properties:
- const: renesas,r9a06g032-i2c # RZ/N1D
- const: renesas,rzn1-i2c # RZ/N1
- const: snps,designware-i2c
- - description: Microsemi Ocelot SoCs I2C controller
- items:
- - const: mscc,ocelot-i2c
- - const: snps,designware-i2c
- description: Baikal-T1 SoC System I2C controller
const: baikal,bt1-sys-i2c
- - description: T-HEAD TH1520 SoCs I2C controller
- items:
- - const: thead,th1520-i2c
+ - items:
+ - enum:
+ - mscc,ocelot-i2c
+ - sophgo,sg2044-i2c
+ - thead,th1520-i2c
- const: snps,designware-i2c
reg:
diff --git a/Documentation/devicetree/bindings/i2c/wm,wm8505-i2c.yaml b/Documentation/devicetree/bindings/i2c/wm,wm8505-i2c.yaml
new file mode 100644
index 000000000000..e498ce47b885
--- /dev/null
+++ b/Documentation/devicetree/bindings/i2c/wm,wm8505-i2c.yaml
@@ -0,0 +1,47 @@
+# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/i2c/wm,wm8505-i2c.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: I2C Controller on WonderMedia WM8505 and related SoCs
+
+maintainers:
+ - Alexey Charkov <alchark@gmail.com>
+
+allOf:
+ - $ref: /schemas/i2c/i2c-controller.yaml#
+
+properties:
+ compatible:
+ const: wm,wm8505-i2c
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+
+ clock-frequency:
+ enum: [100000, 400000]
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ i2c_0: i2c@d8280000 {
+ compatible = "wm,wm8505-i2c";
+ reg = <0xd8280000 0x1000>;
+ interrupts = <19>;
+ clocks = <&clki2c0>;
+ clock-frequency = <400000>;
+ };
diff --git a/Documentation/devicetree/bindings/misc/ti,fpc202.yaml b/Documentation/devicetree/bindings/misc/ti,fpc202.yaml
new file mode 100644
index 000000000000..a8cb10f2d0df
--- /dev/null
+++ b/Documentation/devicetree/bindings/misc/ti,fpc202.yaml
@@ -0,0 +1,94 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/misc/ti,fpc202.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: TI FPC202 dual port controller with expanded IOs
+
+maintainers:
+ - Romain Gantois <romain.gantois@bootlin.com>
+
+allOf:
+ - $ref: /schemas/i2c/i2c-atr.yaml#
+
+properties:
+ compatible:
+ const: ti,fpc202
+
+ reg:
+ maxItems: 1
+
+ gpio-controller: true
+
+ "#gpio-cells":
+ const: 2
+
+ enable-gpios:
+ description:
+ Specifier for the GPIO connected to the EN pin.
+ maxItems: 1
+
+ '#address-cells':
+ const: 1
+
+ '#size-cells':
+ const: 0
+
+patternProperties:
+ "^i2c@[0-1]$":
+ $ref: /schemas/i2c/i2c-controller.yaml#
+ description: Downstream device ports 0 and 1
+
+ properties:
+ reg:
+ maxItems: 1
+ description:
+ Downstream port ID
+
+ required:
+ - "#address-cells"
+ - "#size-cells"
+ - reg
+
+ unevaluatedProperties: false
+
+required:
+ - compatible
+ - reg
+ - gpio-controller
+ - "#gpio-cells"
+ - "#address-cells"
+ - "#size-cells"
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ i2c-atr@f {
+ compatible = "ti,fpc202";
+ reg = <0xf>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ gpio-controller;
+ #gpio-cells = <2>;
+
+ i2c@0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0>;
+ };
+
+ i2c@1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <1>;
+ };
+ };
+ };
+...