From: Conor Dooley <[email protected]>
Hey,
Couple conversions from txt to yaml here with the intent of fixing the
the dtbs_check warnings for riscv when building with "defconfig".
Atul Khare already sent patches for the gpio-line-names & cache-sets
(which went awol) and will clear the remaining two errors.
Thanks,
Conor.
Conor Dooley (4):
dt-bindings: mmc: convert mmc-spi-slot to yaml
dt-bindings: i2c: convert ocores binding to yaml
dt-bindings: mfd: convert da9063 to yaml
riscv: dts: sifive: "fix" pmic watchdog node name
.../devicetree/bindings/i2c/i2c-ocores.txt | 78 -----------
.../bindings/i2c/opencores,i2c-ocores.yaml | 123 ++++++++++++++++
.../devicetree/bindings/mfd/da9063.txt | 114 ---------------
.../devicetree/bindings/mfd/dlg,da9063.yaml | 132 ++++++++++++++++++
.../devicetree/bindings/mmc/mmc-spi-slot.txt | 29 ----
.../devicetree/bindings/mmc/mmc-spi-slot.yaml | 79 +++++++++++
.../devicetree/bindings/trivial-devices.yaml | 2 -
MAINTAINERS | 3 +-
.../boot/dts/sifive/hifive-unmatched-a00.dts | 2 +-
9 files changed, 337 insertions(+), 225 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/i2c/i2c-ocores.txt
create mode 100644 Documentation/devicetree/bindings/i2c/opencores,i2c-ocores.yaml
delete mode 100644 Documentation/devicetree/bindings/mfd/da9063.txt
create mode 100644 Documentation/devicetree/bindings/mfd/dlg,da9063.yaml
delete mode 100644 Documentation/devicetree/bindings/mmc/mmc-spi-slot.txt
create mode 100644 Documentation/devicetree/bindings/mmc/mmc-spi-slot.yaml
base-commit: f2906aa863381afb0015a9eb7fefad885d4e5a56
--
2.36.1
From: Conor Dooley <[email protected]>
Convert the open cores i2c controller binding from text to yaml.
Signed-off-by: Conor Dooley <[email protected]>
---
.../devicetree/bindings/i2c/i2c-ocores.txt | 78 -----------
.../bindings/i2c/opencores,i2c-ocores.yaml | 123 ++++++++++++++++++
MAINTAINERS | 2 +-
3 files changed, 124 insertions(+), 79 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/i2c/i2c-ocores.txt
create mode 100644 Documentation/devicetree/bindings/i2c/opencores,i2c-ocores.yaml
diff --git a/Documentation/devicetree/bindings/i2c/i2c-ocores.txt b/Documentation/devicetree/bindings/i2c/i2c-ocores.txt
deleted file mode 100644
index a37c9455b244..000000000000
--- a/Documentation/devicetree/bindings/i2c/i2c-ocores.txt
+++ /dev/null
@@ -1,78 +0,0 @@
-Device tree configuration for i2c-ocores
-
-Required properties:
-- compatible : "opencores,i2c-ocores"
- "aeroflexgaisler,i2cmst"
- "sifive,fu540-c000-i2c", "sifive,i2c0"
- For Opencore based I2C IP block reimplemented in
- FU540-C000 SoC.
- "sifive,fu740-c000-i2c", "sifive,i2c0"
- For Opencore based I2C IP block reimplemented in
- FU740-C000 SoC.
- Please refer to sifive-blocks-ip-versioning.txt for
- additional details.
-- reg : bus address start and address range size of device
-- clocks : handle to the controller clock; see the note below.
- Mutually exclusive with opencores,ip-clock-frequency
-- opencores,ip-clock-frequency: frequency of the controller clock in Hz;
- see the note below. Mutually exclusive with clocks
-- #address-cells : should be <1>
-- #size-cells : should be <0>
-
-Optional properties:
-- interrupts : interrupt number.
-- clock-frequency : frequency of bus clock in Hz; see the note below.
- Defaults to 100 KHz when the property is not specified
-- reg-shift : device register offsets are shifted by this value
-- reg-io-width : io register width in bytes (1, 2 or 4)
-- regstep : deprecated, use reg-shift above
-
-Note
-clock-frequency property is meant to control the bus frequency for i2c bus
-drivers, but it was incorrectly used to specify i2c controller input clock
-frequency. So the following rules are set to fix this situation:
-- if clock-frequency is present and neither opencores,ip-clock-frequency nor
- clocks are, then clock-frequency specifies i2c controller clock frequency.
- This is to keep backwards compatibility with setups using old DTB. i2c bus
- frequency is fixed at 100 KHz.
-- if clocks is present it specifies i2c controller clock. clock-frequency
- property specifies i2c bus frequency.
-- if opencores,ip-clock-frequency is present it specifies i2c controller
- clock frequency. clock-frequency property specifies i2c bus frequency.
-
-Examples:
-
- i2c0: ocores@a0000000 {
- #address-cells = <1>;
- #size-cells = <0>;
- compatible = "opencores,i2c-ocores";
- reg = <0xa0000000 0x8>;
- interrupts = <10>;
- opencores,ip-clock-frequency = <20000000>;
-
- reg-shift = <0>; /* 8 bit registers */
- reg-io-width = <1>; /* 8 bit read/write */
-
- dummy@60 {
- compatible = "dummy";
- reg = <0x60>;
- };
- };
-or
- i2c0: ocores@a0000000 {
- #address-cells = <1>;
- #size-cells = <0>;
- compatible = "opencores,i2c-ocores";
- reg = <0xa0000000 0x8>;
- interrupts = <10>;
- clocks = <&osc>;
- clock-frequency = <400000>; /* i2c bus frequency 400 KHz */
-
- reg-shift = <0>; /* 8 bit registers */
- reg-io-width = <1>; /* 8 bit read/write */
-
- dummy@60 {
- compatible = "dummy";
- reg = <0x60>;
- };
- };
diff --git a/Documentation/devicetree/bindings/i2c/opencores,i2c-ocores.yaml b/Documentation/devicetree/bindings/i2c/opencores,i2c-ocores.yaml
new file mode 100644
index 000000000000..7074f019d94f
--- /dev/null
+++ b/Documentation/devicetree/bindings/i2c/opencores,i2c-ocores.yaml
@@ -0,0 +1,123 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/i2c/opencores,i2c-ocores.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: OpenCores I2C controller
+
+maintainers:
+ - Peter Korsgaard <[email protected]>
+ - Andrew Lunn <[email protected]>
+
+allOf:
+ - $ref: /schemas/i2c/i2c-controller.yaml#
+
+properties:
+ compatible:
+ oneOf:
+ - items:
+ - enum:
+ - sifive,fu740-c000-i2c # Opencore based IP block FU740-C000 SoC
+ - sifive,fu540-c000-i2c # Opencore based IP block FU540-C000 SoC
+ - const: sifive,i2c0
+ - enum:
+ - opencores,i2c-ocores
+ - aeroflexgaisler,i2cmst
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+
+ "#address-cells":
+ const: 1
+
+ "#size-cells":
+ const: 0
+
+ clock-frequency:
+ description: |
+ Desired I2C bus clock frequency in Hz. As only Standard and Fast
+ modes are supported, possible values are 100000 and 400000.
+ Note:
+ clock-frequency property is meant to control the bus frequency for i2c bus
+ drivers, but it was incorrectly used to specify i2c controller input clock
+ frequency. So the following rules are set to fix this situation:
+ - if clock-frequency is present and neither opencores,ip-clock-frequency nor
+ clocks are, then clock-frequency specifies i2c controller clock frequency.
+ This is to keep backwards compatibility with setups using old DTB. i2c bus
+ frequency is fixed at 100 KHz.
+ - if clocks is present it specifies i2c controller clock. clock-frequency
+ property specifies i2c bus frequency.
+ - if opencores,ip-clock-frequency is present it specifies i2c controller
+ clock frequency. clock-frequency property specifies i2c bus frequency.
+ enum: [100000, 400000]
+ default: 100000
+
+ reg-io-width:
+ description: |
+ io register width in bytes
+ enum: [1, 2, 4]
+
+ reg-shift:
+ description: |
+ device register offsets are shifted by this value
+ default: 0
+
+ regstep:
+ description: |
+ deprecated, use reg-shift above
+ deprecated: true
+
+ opencores,ip-clock-frequency:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: |
+ Frequency of the controller clock in Hz. Mutually exclusive with clocks.
+ See the note above.
+
+required:
+ - compatible
+ - reg
+ - "#address-cells"
+ - "#size-cells"
+
+oneOf:
+ - required:
+ - opencores,ip-clock-frequency
+ - required:
+ - clocks
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ i2c@a0000000 {
+ compatible = "opencores,i2c-ocores";
+ reg = <0xa0000000 0x8>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ interrupts = <10>;
+ opencores,ip-clock-frequency = <20000000>;
+
+ reg-shift = <0>; /* 8 bit registers */
+ reg-io-width = <1>; /* 8 bit read/write */
+ };
+
+ i2c@b0000000 {
+ compatible = "opencores,i2c-ocores";
+ reg = <0xa0000000 0x8>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ interrupts = <10>;
+ clocks = <&osc>;
+ clock-frequency = <400000>; /* i2c bus frequency 400 KHz */
+
+ reg-shift = <0>; /* 8 bit registers */
+ reg-io-width = <1>; /* 8 bit read/write */
+ };
+...
diff --git a/MAINTAINERS b/MAINTAINERS
index a6d3bd9d2a8d..cfaf02fc9191 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -14869,7 +14869,7 @@ M: Peter Korsgaard <[email protected]>
M: Andrew Lunn <[email protected]>
L: [email protected]
S: Maintained
-F: Documentation/devicetree/bindings/i2c/i2c-ocores.txt
+F: Documentation/devicetree/bindings/i2c/i2c-ocores.yaml
F: Documentation/i2c/busses/i2c-ocores.rst
F: drivers/i2c/busses/i2c-ocores.c
F: include/linux/platform_data/i2c-ocores.h
--
2.36.1
From: Conor Dooley <[email protected]>
Convert the dt binding for the da9063/da9063l to yaml.
Signed-off-by: Conor Dooley <[email protected]>
---
.../devicetree/bindings/mfd/da9063.txt | 114 ---------------
.../devicetree/bindings/mfd/dlg,da9063.yaml | 132 ++++++++++++++++++
.../devicetree/bindings/trivial-devices.yaml | 2 -
MAINTAINERS | 1 +
4 files changed, 133 insertions(+), 116 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/mfd/da9063.txt
create mode 100644 Documentation/devicetree/bindings/mfd/dlg,da9063.yaml
diff --git a/Documentation/devicetree/bindings/mfd/da9063.txt b/Documentation/devicetree/bindings/mfd/da9063.txt
deleted file mode 100644
index aa8b800cc4ad..000000000000
--- a/Documentation/devicetree/bindings/mfd/da9063.txt
+++ /dev/null
@@ -1,114 +0,0 @@
-* Dialog DA9063/DA9063L Power Management Integrated Circuit (PMIC)
-
-DA9063 consists of a large and varied group of sub-devices (I2C Only):
-
-Device Supply Names Description
------- ------------ -----------
-da9063-regulator : : LDOs & BUCKs
-da9063-onkey : : On Key
-da9063-rtc : : Real-Time Clock (DA9063 only)
-da9063-watchdog : : Watchdog
-
-======
-
-Required properties:
-
-- compatible : Should be "dlg,da9063" or "dlg,da9063l"
-- reg : Specifies the I2C slave address (this defaults to 0x58 but it can be
- modified to match the chip's OTP settings).
-- interrupts : IRQ line information.
-- interrupt-controller
-
-Sub-nodes:
-
-- regulators : This node defines the settings for the LDOs and BUCKs.
- The DA9063(L) regulators are bound using their names listed below:
-
- bcore1 : BUCK CORE1
- bcore2 : BUCK CORE2
- bpro : BUCK PRO
- bmem : BUCK MEM
- bio : BUCK IO
- bperi : BUCK PERI
- ldo1 : LDO_1 (DA9063 only)
- ldo2 : LDO_2 (DA9063 only)
- ldo3 : LDO_3
- ldo4 : LDO_4 (DA9063 only)
- ldo5 : LDO_5 (DA9063 only)
- ldo6 : LDO_6 (DA9063 only)
- ldo7 : LDO_7
- ldo8 : LDO_8
- ldo9 : LDO_9
- ldo10 : LDO_10 (DA9063 only)
- ldo11 : LDO_11
-
- The component follows the standard regulator framework and the bindings
- details of individual regulator device can be found in:
- Documentation/devicetree/bindings/regulator/regulator.txt
-
-- rtc : This node defines settings for the Real-Time Clock associated with
- the DA9063 only. The RTC is not present in DA9063L. There are currently
- no entries in this binding, however compatible = "dlg,da9063-rtc" should
- be added if a node is created.
-
-- onkey : This node defines the OnKey settings for controlling the key
- functionality of the device. The node should contain the compatible property
- with the value "dlg,da9063-onkey".
-
- Optional onkey properties:
-
- - dlg,disable-key-power : Disable power-down using a long key-press. If this
- entry exists the OnKey driver will remove support for the KEY_POWER key
- press. If this entry does not exist then by default the key-press
- triggered power down is enabled and the OnKey will support both KEY_POWER
- and KEY_SLEEP.
-
-- watchdog : This node defines settings for the Watchdog timer associated
- with the DA9063 and DA9063L. The node should contain the compatible property
- with the value "dlg,da9063-watchdog".
-
- Optional watchdog properties:
- - dlg,use-sw-pm: Add this property to disable the watchdog during suspend.
- Only use this option if you can't use the watchdog automatic suspend
- function during a suspend (see register CONTROL_B).
-
-Example:
-
- pmic0: da9063@58 {
- compatible = "dlg,da9063"
- reg = <0x58>;
- interrupt-parent = <&gpio6>;
- interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
- interrupt-controller;
-
- rtc {
- compatible = "dlg,da9063-rtc";
- };
-
- wdt {
- compatible = "dlg,da9063-watchdog";
- };
-
- onkey {
- compatible = "dlg,da9063-onkey";
- dlg,disable-key-power;
- };
-
- regulators {
- DA9063_BCORE1: bcore1 {
- regulator-name = "BCORE1";
- regulator-min-microvolt = <300000>;
- regulator-max-microvolt = <1570000>;
- regulator-min-microamp = <500000>;
- regulator-max-microamp = <2000000>;
- regulator-boot-on;
- };
- DA9063_LDO11: ldo11 {
- regulator-name = "LDO_11";
- regulator-min-microvolt = <900000>;
- regulator-max-microvolt = <3600000>;
- regulator-boot-on;
- };
- };
- };
-
diff --git a/Documentation/devicetree/bindings/mfd/dlg,da9063.yaml b/Documentation/devicetree/bindings/mfd/dlg,da9063.yaml
new file mode 100644
index 000000000000..d71933460e90
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/dlg,da9063.yaml
@@ -0,0 +1,132 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mfd/dlg,da9063.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Dialog DA9063/DA9063L Power Management Integrated Circuit (PMIC)
+
+maintainers:
+ - Steve Twiss <[email protected]>
+
+description: |
+ For device-tree bindings of other sub-modules refer to the binding documents
+ under the respective sub-system directories.
+
+properties:
+ compatible:
+ enum:
+ - dlg,da9063
+ - dlg,da9063l
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ interrupt-controller: true
+
+ "#interrupt-cells":
+ const: 2
+
+ dlg,use-sw-pm:
+ type: boolean
+ description:
+ Disable the watchdog during suspend.
+ Only use this option if you can't use the watchdog automatic suspend
+ function during a suspend (see register CONTROL_B).
+
+ watchdog:
+ type: object
+ $ref: /schemas/watchdog/watchdog.yaml#
+ unevaluatedProperties: false
+ properties:
+ compatible:
+ const: dlg,da9063-watchdog
+
+ rtc:
+ type: object
+ $ref: /schemas/rtc/rtc.yaml#
+ unevaluatedProperties: false
+ properties:
+ compatible:
+ const: dlg,da9063-rtc
+
+ onkey:
+ type: object
+ $ref: /schemas/input/input.yaml#
+ unevaluatedProperties: false
+ properties:
+ compatible:
+ const: dlg,da9063-onkey
+
+ dlg,disable-key-power:
+ type: boolean
+ description: |
+ Disable power-down using a long key-press.
+ If this entry does not exist then by default the key-press triggered
+ power down is enabled and the OnKey will support both KEY_POWER and
+ KEY_SLEEP.
+
+ regulators:
+ type: object
+ patternProperties:
+ "^(ldo[1-11]|bcore[1-2]|bpro|bmem|bio|bperi)$":
+ $ref: /schemas/regulator/regulator.yaml
+ unevaluatedProperties: false
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - interrupt-controller
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ pmic@58 {
+ compatible = "dlg,da9063";
+ reg = <0x58>;
+ #interrupt-cells = <2>;
+ interrupt-parent = <&gpio6>;
+ interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
+ interrupt-controller;
+
+ rtc {
+ compatible = "dlg,da9063-rtc";
+ };
+
+ watchdog {
+ compatible = "dlg,da9063-watchdog";
+ };
+
+ onkey {
+ compatible = "dlg,da9063-onkey";
+ dlg,disable-key-power;
+ };
+
+ regulators {
+ regulator-bcore1 {
+ regulator-name = "BCORE1";
+ regulator-min-microvolt = <300000>;
+ regulator-max-microvolt = <1570000>;
+ regulator-min-microamp = <500000>;
+ regulator-max-microamp = <2000000>;
+ regulator-boot-on;
+ };
+ regulator-ldo11 {
+ regulator-name = "LDO_11";
+ regulator-min-microvolt = <900000>;
+ regulator-max-microvolt = <3600000>;
+ regulator-boot-on;
+ };
+ };
+ };
+ };
+...
diff --git a/Documentation/devicetree/bindings/trivial-devices.yaml b/Documentation/devicetree/bindings/trivial-devices.yaml
index 6aafa71806a3..00acb9078cc0 100644
--- a/Documentation/devicetree/bindings/trivial-devices.yaml
+++ b/Documentation/devicetree/bindings/trivial-devices.yaml
@@ -93,8 +93,6 @@ properties:
- dh,dhcom-board
# DA9053: flexible system level PMIC with multicore support
- dlg,da9053
- # DA9063: system PMIC for quad-core application processors
- - dlg,da9063
# DMARD05: 3-axis I2C Accelerometer
- domintech,dmard05
# DMARD06: 3-axis I2C Accelerometer
diff --git a/MAINTAINERS b/MAINTAINERS
index cfaf02fc9191..777b453593ad 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -5831,6 +5831,7 @@ W: http://www.dialog-semiconductor.com/products
F: Documentation/devicetree/bindings/input/da90??-onkey.txt
F: Documentation/devicetree/bindings/input/dlg,da72??.txt
F: Documentation/devicetree/bindings/mfd/da90*.txt
+F: Documentation/devicetree/bindings/mfd/da90*.yaml
F: Documentation/devicetree/bindings/regulator/dlg,da9*.yaml
F: Documentation/devicetree/bindings/regulator/da92*.txt
F: Documentation/devicetree/bindings/regulator/slg51000.txt
--
2.36.1
From: Conor Dooley <[email protected]>
After converting the pmic watchdog binding to yaml, dtbs_check complains
that the node name doesn't match the binding. "Fix" it.
Reviewed-by: Krzysztof Kozlowski <[email protected]>
Signed-off-by: Conor Dooley <[email protected]>
---
arch/riscv/boot/dts/sifive/hifive-unmatched-a00.dts | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/riscv/boot/dts/sifive/hifive-unmatched-a00.dts b/arch/riscv/boot/dts/sifive/hifive-unmatched-a00.dts
index c4ed9efdff03..1f386b07a832 100644
--- a/arch/riscv/boot/dts/sifive/hifive-unmatched-a00.dts
+++ b/arch/riscv/boot/dts/sifive/hifive-unmatched-a00.dts
@@ -90,7 +90,7 @@ rtc {
compatible = "dlg,da9063-rtc";
};
- wdt {
+ watchdog {
compatible = "dlg,da9063-watchdog";
};
--
2.36.1
On Mon, 06 Jun 2022 16:25:57 +0100, Conor Dooley wrote:
> From: Conor Dooley <[email protected]>
>
> Convert the dt binding for the da9063/da9063l to yaml.
>
> Signed-off-by: Conor Dooley <[email protected]>
> ---
> .../devicetree/bindings/mfd/da9063.txt | 114 ---------------
> .../devicetree/bindings/mfd/dlg,da9063.yaml | 132 ++++++++++++++++++
> .../devicetree/bindings/trivial-devices.yaml | 2 -
> MAINTAINERS | 1 +
> 4 files changed, 133 insertions(+), 116 deletions(-)
> delete mode 100644 Documentation/devicetree/bindings/mfd/da9063.txt
> create mode 100644 Documentation/devicetree/bindings/mfd/dlg,da9063.yaml
>
Reviewed-by: Rob Herring <[email protected]>
On Mon, Jun 06, 2022 at 04:25:56PM +0100, Conor Dooley wrote:
> From: Conor Dooley <[email protected]>
>
> Convert the open cores i2c controller binding from text to yaml.
>
> Signed-off-by: Conor Dooley <[email protected]>
> ---
> .../devicetree/bindings/i2c/i2c-ocores.txt | 78 -----------
> .../bindings/i2c/opencores,i2c-ocores.yaml | 123 ++++++++++++++++++
> MAINTAINERS | 2 +-
> 3 files changed, 124 insertions(+), 79 deletions(-)
> delete mode 100644 Documentation/devicetree/bindings/i2c/i2c-ocores.txt
> create mode 100644 Documentation/devicetree/bindings/i2c/opencores,i2c-ocores.yaml
>
> diff --git a/Documentation/devicetree/bindings/i2c/i2c-ocores.txt b/Documentation/devicetree/bindings/i2c/i2c-ocores.txt
> deleted file mode 100644
> index a37c9455b244..000000000000
> --- a/Documentation/devicetree/bindings/i2c/i2c-ocores.txt
> +++ /dev/null
> @@ -1,78 +0,0 @@
> -Device tree configuration for i2c-ocores
> -
> -Required properties:
> -- compatible : "opencores,i2c-ocores"
> - "aeroflexgaisler,i2cmst"
> - "sifive,fu540-c000-i2c", "sifive,i2c0"
> - For Opencore based I2C IP block reimplemented in
> - FU540-C000 SoC.
> - "sifive,fu740-c000-i2c", "sifive,i2c0"
> - For Opencore based I2C IP block reimplemented in
> - FU740-C000 SoC.
> - Please refer to sifive-blocks-ip-versioning.txt for
> - additional details.
> -- reg : bus address start and address range size of device
> -- clocks : handle to the controller clock; see the note below.
> - Mutually exclusive with opencores,ip-clock-frequency
> -- opencores,ip-clock-frequency: frequency of the controller clock in Hz;
> - see the note below. Mutually exclusive with clocks
> -- #address-cells : should be <1>
> -- #size-cells : should be <0>
> -
> -Optional properties:
> -- interrupts : interrupt number.
> -- clock-frequency : frequency of bus clock in Hz; see the note below.
> - Defaults to 100 KHz when the property is not specified
> -- reg-shift : device register offsets are shifted by this value
> -- reg-io-width : io register width in bytes (1, 2 or 4)
> -- regstep : deprecated, use reg-shift above
> -
> -Note
> -clock-frequency property is meant to control the bus frequency for i2c bus
> -drivers, but it was incorrectly used to specify i2c controller input clock
> -frequency. So the following rules are set to fix this situation:
> -- if clock-frequency is present and neither opencores,ip-clock-frequency nor
> - clocks are, then clock-frequency specifies i2c controller clock frequency.
> - This is to keep backwards compatibility with setups using old DTB. i2c bus
> - frequency is fixed at 100 KHz.
> -- if clocks is present it specifies i2c controller clock. clock-frequency
> - property specifies i2c bus frequency.
> -- if opencores,ip-clock-frequency is present it specifies i2c controller
> - clock frequency. clock-frequency property specifies i2c bus frequency.
> -
> -Examples:
> -
> - i2c0: ocores@a0000000 {
> - #address-cells = <1>;
> - #size-cells = <0>;
> - compatible = "opencores,i2c-ocores";
> - reg = <0xa0000000 0x8>;
> - interrupts = <10>;
> - opencores,ip-clock-frequency = <20000000>;
> -
> - reg-shift = <0>; /* 8 bit registers */
> - reg-io-width = <1>; /* 8 bit read/write */
> -
> - dummy@60 {
> - compatible = "dummy";
> - reg = <0x60>;
> - };
> - };
> -or
> - i2c0: ocores@a0000000 {
> - #address-cells = <1>;
> - #size-cells = <0>;
> - compatible = "opencores,i2c-ocores";
> - reg = <0xa0000000 0x8>;
> - interrupts = <10>;
> - clocks = <&osc>;
> - clock-frequency = <400000>; /* i2c bus frequency 400 KHz */
> -
> - reg-shift = <0>; /* 8 bit registers */
> - reg-io-width = <1>; /* 8 bit read/write */
> -
> - dummy@60 {
> - compatible = "dummy";
> - reg = <0x60>;
> - };
> - };
> diff --git a/Documentation/devicetree/bindings/i2c/opencores,i2c-ocores.yaml b/Documentation/devicetree/bindings/i2c/opencores,i2c-ocores.yaml
> new file mode 100644
> index 000000000000..7074f019d94f
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/i2c/opencores,i2c-ocores.yaml
> @@ -0,0 +1,123 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/i2c/opencores,i2c-ocores.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: OpenCores I2C controller
> +
> +maintainers:
> + - Peter Korsgaard <[email protected]>
> + - Andrew Lunn <[email protected]>
> +
> +allOf:
> + - $ref: /schemas/i2c/i2c-controller.yaml#
> +
> +properties:
> + compatible:
> + oneOf:
> + - items:
> + - enum:
> + - sifive,fu740-c000-i2c # Opencore based IP block FU740-C000 SoC
> + - sifive,fu540-c000-i2c # Opencore based IP block FU540-C000 SoC
> + - const: sifive,i2c0
> + - enum:
> + - opencores,i2c-ocores
> + - aeroflexgaisler,i2cmst
> +
> + reg:
> + maxItems: 1
> +
> + interrupts:
> + maxItems: 1
> +
> + clocks:
> + maxItems: 1
> +
> + "#address-cells":
> + const: 1
> +
> + "#size-cells":
> + const: 0
These 2 are covered by i2c-controller.yaml. Drop.
With that,
Reviewed-by: Rob Herring <[email protected]>