[v8 3/4] dt-bindings: Add Rockchip rk817 audio CODEC support
Rob Herring
robh at kernel.org
Fri Apr 23 18:38:50 BST 2021
On Wed, Apr 21, 2021 at 12:59:05PM -0500, Chris Morgan wrote:
> From: Chris Morgan <macromorgan at hotmail.com>
>
> Create dt-binding documentation to document rk817 codec.
> New property name of rockchip,mic-in-differential added to control if
> the microphone is in differential mode or not.
>
> Signed-off-by: Chris Morgan <macromorgan at hotmail.com>
> ---
> Changes in v8:
> - Added additional documentation for missing properties of #sound-dai-cells,
> interrupt-parent, and wakeup-source for mfd documentation.
> - Corrected order of elements descriptions in device tree documentation.
> - Changed name of "mic-in-differential" to "rockchip,mic-in-differential".
> - Changed name of sound card from "rockchip,rk817-codec" to "Analog".
> - Removed unused resets and reset-names from the i2s1_2ch node.
> Changes in v7:
> - Removed ifdef around register definitions for MFD.
> - Replaced codec documentation with updates to MFD documentation.
> - Reordered elements in example to comply with upstream rules.
> - Added binding update back for Odroid Go Advance as requested.
> - Submitting patches from gmail now.
> Changes in v6:
> - Included additional project maintainers for correct subsystems.
> - Removed unneeded compatible from DT documentation.
> - Removed binding update for Odroid Go Advance (will do in seperate series).
> Changes in v5:
> - Move register definitions from rk817_codec.h to main rk808.h register
> definitions.
> - Add volatile register for codec bits.
> - Add default values for codec bits.
> - Removed of_compatible from mtd driver (not necessary).
> - Switched to using parent regmap instead of private regmap for codec.
> Changes in v4:
> - Created set_pll() call.
> - Created user visible gain control in mic.
> - Check for return value of clk_prepare_enable().
> - Removed duplicate clk_prepare_enable().
> - Split DT documentation to separate commit.
> Changes in v3:
> - Use DAPM macros to set audio path.
> - Updated devicetree binding (as every rk817 has this codec chip).
> - Changed documentation to yaml format.
> - Split MFD changes to separate commit.
> Changes in v2:
> - Fixed audio path registers to solve some bugs.
>
> .../devicetree/bindings/mfd/rk808.txt | 188 ++++++++++++++++++
> 1 file changed, 188 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/mfd/rk808.txt b/Documentation/devicetree/bindings/mfd/rk808.txt
> index 04df07f6f793..e27fb2c1ebe0 100644
> --- a/Documentation/devicetree/bindings/mfd/rk808.txt
> +++ b/Documentation/devicetree/bindings/mfd/rk808.txt
> @@ -14,6 +14,8 @@ Required properties:
> - compatible: "rockchip,rk817"
> - compatible: "rockchip,rk818"
> - reg: I2C slave address
> +- interrupt-parent: Should contain a phandle to the correct interrupt
> + controller node.
This can be in any parent node, so generally not required. IOW, you
don't need to document it.
Otherwise,
Acked-by: Rob Herring <robh at kernel.org>
(Really, this should be converted to schema, but given it's on v8
already that can come later.)
> - interrupts: the interrupt outputs of the controller.
> - #clock-cells: from common clock binding; shall be set to 1 (multiple clock
> outputs). See <dt-bindings/clock/rockchip,rk808.h> for clock IDs.
> @@ -23,6 +25,7 @@ Optional properties:
> default output clock name
> - rockchip,system-power-controller: Telling whether or not this pmic is controlling
> the system power.
> +- wakeup-source: Device can be used as a wakeup source.
>
> Optional RK805 properties:
> - vcc1-supply: The input supply for DCDC_REG1
> @@ -63,8 +66,16 @@ Optional RK809 properties:
> - vcc9-supply: The input supply for DCDC_REG5, SWITCH_REG2
>
> Optional RK817 properties:
> +- clocks: The input clock for the audio codec
> +- clock-names: The clock name for the codec clock. Should be "mclk".
> +- #sound-dai-cells: Needed for the interpretation of sound dais. Should be 0.
> +
> - vcc8-supply: The input supply for BOOST
> - vcc9-supply: The input supply for OTG_SWITCH
> +- codec: The child node for the codec to hold additional properties.
> +
> +- rockchip,mic-in-differential: Telling if the microphone uses differential
> + mode. Should be under the codec child node.
>
> Optional RK818 properties:
> - vcc1-supply: The input supply for DCDC_REG1
> @@ -275,3 +286,180 @@ Example:
> };
> };
> };
> +
> + rk817: pmic at 20 {
> + compatible = "rockchip,rk817";
> + reg = <0x20>;
> + interrupt-parent = <&gpio0>;
> + interrupts = <RK_PB2 IRQ_TYPE_LEVEL_LOW>;
> + clock-output-names = "rk808-clkout1", "xin32k";
> + clock-names = "mclk";
> + clocks = <&cru SCLK_I2S1_OUT>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pmic_int>, <&i2s1_2ch_mclk>;
> + wakeup-source;
> + #clock-cells = <1>;
> + #sound-dai-cells = <0>;
> +
> + vcc1-supply = <&vccsys>;
> + vcc2-supply = <&vccsys>;
> + vcc3-supply = <&vccsys>;
> + vcc4-supply = <&vccsys>;
> + vcc5-supply = <&vccsys>;
> + vcc6-supply = <&vccsys>;
> + vcc7-supply = <&vccsys>;
> +
> + regulators {
> + vdd_logic: DCDC_REG1 {
> + regulator-name = "vdd_logic";
> + regulator-min-microvolt = <950000>;
> + regulator-max-microvolt = <1150000>;
> + regulator-ramp-delay = <6001>;
> + regulator-always-on;
> + regulator-boot-on;
> +
> + regulator-state-mem {
> + regulator-on-in-suspend;
> + regulator-suspend-microvolt = <950000>;
> + };
> + };
> +
> + vdd_arm: DCDC_REG2 {
> + regulator-name = "vdd_arm";
> + regulator-min-microvolt = <950000>;
> + regulator-max-microvolt = <1350000>;
> + regulator-ramp-delay = <6001>;
> + regulator-always-on;
> + regulator-boot-on;
> +
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + regulator-suspend-microvolt = <950000>;
> + };
> + };
> +
> + vcc_ddr: DCDC_REG3 {
> + regulator-name = "vcc_ddr";
> + regulator-always-on;
> + regulator-boot-on;
> +
> + regulator-state-mem {
> + regulator-on-in-suspend;
> + };
> + };
> +
> + vcc_3v3: DCDC_REG4 {
> + regulator-name = "vcc_3v3";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-always-on;
> + regulator-boot-on;
> +
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + regulator-suspend-microvolt = <3300000>;
> + };
> + };
> +
> + vcc_1v8: LDO_REG2 {
> + regulator-name = "vcc_1v8";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-always-on;
> + regulator-boot-on;
> +
> + regulator-state-mem {
> + regulator-on-in-suspend;
> + regulator-suspend-microvolt = <1800000>;
> + };
> + };
> +
> + vdd_1v0: LDO_REG3 {
> + regulator-name = "vdd_1v0";
> + regulator-min-microvolt = <1000000>;
> + regulator-max-microvolt = <1000000>;
> + regulator-always-on;
> + regulator-boot-on;
> +
> + regulator-state-mem {
> + regulator-on-in-suspend;
> + regulator-suspend-microvolt = <1000000>;
> + };
> + };
> +
> + vcc3v3_pmu: LDO_REG4 {
> + regulator-name = "vcc3v3_pmu";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-always-on;
> + regulator-boot-on;
> +
> + regulator-state-mem {
> + regulator-on-in-suspend;
> + regulator-suspend-microvolt = <3300000>;
> + };
> + };
> +
> + vccio_sd: LDO_REG5 {
> + regulator-name = "vccio_sd";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-always-on;
> + regulator-boot-on;
> +
> + regulator-state-mem {
> + regulator-on-in-suspend;
> + regulator-suspend-microvolt = <3300000>;
> + };
> + };
> +
> + vcc_sd: LDO_REG6 {
> + regulator-name = "vcc_sd";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-boot-on;
> +
> + regulator-state-mem {
> + regulator-on-in-suspend;
> + regulator-suspend-microvolt = <3300000>;
> + };
> + };
> +
> + vcc_bl: LDO_REG7 {
> + regulator-name = "vcc_bl";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> +
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + regulator-suspend-microvolt = <3300000>;
> + };
> + };
> +
> + vcc_lcd: LDO_REG8 {
> + regulator-name = "vcc_lcd";
> + regulator-min-microvolt = <2800000>;
> + regulator-max-microvolt = <2800000>;
> +
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + regulator-suspend-microvolt = <2800000>;
> + };
> + };
> +
> + vcc_cam: LDO_REG9 {
> + regulator-name = "vcc_cam";
> + regulator-min-microvolt = <3000000>;
> + regulator-max-microvolt = <3000000>;
> +
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + regulator-suspend-microvolt = <3000000>;
> + };
> + };
> + };
> +
> + rk817_codec: codec {
> + rockchip,mic-in-differential;
> + };
> + };
> --
> 2.25.1
>
More information about the Linux-rockchip
mailing list