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ASoC: dt-bindings: cs35l45: Adds LDPM settings
Introduce devicetree properties for configuring level dependent power management (LDPM) functionality. Signed-off-by: Ricardo Rivera-Matos <rriveram@opensource.cirrus.com> Link: https://patch.msgid.link/20261001-cs35l45-ldpm-v1-1-545787a5afe5@opensource.cirrus.com Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Ricardo Rivera-Matos
Mark Brown
parent
923ff8155e
commit
cd4c07a11e
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@ -71,6 +71,58 @@ properties:
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maximum: 7
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default: 0
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cirrus,ldpm-group1-boost-select:
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type: boolean
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description:
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When in a valid group 1 level dependent power management (LDPM) state
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the integrated boost converter will enter the configured low power mode.
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cirrus,boost-low-power-mode:
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description:
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Configures the integrated boost converter reaction to a low power mode
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request.
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0 = No reaction
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1 = Force boost DCM low power mode
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2 = Force boost static bypass
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$ref: /schemas/types.yaml#/definitions/uint32
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default: 2
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enum:
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- 0
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- 1
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- 2
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cirrus,ldpm-group1-amp-select:
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type: boolean
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description:
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When in a valid group 1 level dependent power management (LDPM) state
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the amplifier will enter the configured low power mode.
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cirrus,amplifier-low-power-mode:
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description:
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Configures the amplifier output stage reaction to a low power mode
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request.
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0 = Stop output switching (noise gate mode)
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1 = Noise floor reduction mode
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$ref: /schemas/types.yaml#/definitions/uint32
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default: 1
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enum:
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- 0
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- 1
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cirrus,ldpm-group2-vmon-select:
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type: boolean
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description:
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When in a valid group 2 level dependent power management (LDPM) state
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the voltage monitor (VMON) circuit is put into a low power operational
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state.
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cirrus,ldpm-group2-imon-select:
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type: boolean
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description:
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When in a valid group 2 level dependent power management (LDPM) state
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the current monitor (IMON) circuit is put into a low power operational
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state.
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patternProperties:
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"^cirrus,gpio-ctrl[1-3]$":
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description:
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@ -139,6 +191,30 @@ patternProperties:
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minimum: 0
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maximum: 7
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default: 0
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"^cirrus,ldpm-group[1-2]-pcm-threshold-db$":
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description:
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Amplifier level dependent power management (LDPM) threshold. Input
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referred threshold of the PCM audio signal in which the level is low
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enough for the LDPM group to engage after entry delay. A value of dB
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-2147483648 is assumed to mean true zero data with an LSB dither.
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$ref: /schemas/types.yaml#/definitions/int32-array
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minItems: 1
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maxItems: 1
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items:
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enum: [-2147483648, -102, -96, -90, -84, -78, -72, -66]
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"^cirrus,ldpm-group[1-2]-delay-ms$":
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description:
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Amplifier level dependent power management (LDPM) state entry delay.
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Time that the incoming audio signal must be below the PCM threshold
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before the LDPM group engages.
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$ref: /schemas/types.yaml#/definitions/uint32-array
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minItems: 1
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maxItems: 1
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items:
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enum: [5, 10, 25, 50, 100, 250, 500, 1000]
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required:
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- compatible
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- reg
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@ -165,6 +241,16 @@ examples:
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CS35L45_ASP_TX_HIZ_DISABLED)>;
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cirrus,sync-lsw-txid = <0x1>;
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cirrus,sync-sw-txid = <0x1>;
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cirrus,ldpm-group1-pcm-threshold-db = <(-66)>;
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cirrus,ldpm-group1-delay-ms = <500>;
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cirrus,ldpm-group1-boost-select;
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cirrus,boost-low-power-mode = <CS35L45_BST_LPMODE_DCM_MODE>;
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cirrus,ldpm-group1-amp-select;
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cirrus,amplifier-low-power-mode = <CS35L45_AMP_LPMODE_NFR_MODE>;
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cirrus,ldpm-group2-pcm-threshold-db = <(-102)>;
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cirrus,ldpm-group2-delay-ms = <1000>;
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cirrus,ldpm-group2-vmon-select;
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cirrus,ldpm-group2-imon-select;
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cirrus,gpio-ctrl1 {
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gpio-ctrl = <0x2>;
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};
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@ -17,6 +17,33 @@
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#define CS35L45_ASP_TX_HIZ_UNUSED 0x1
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#define CS35L45_ASP_TX_HIZ_DISABLED 0x2
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/*
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* cirrus,boost-low-power-mode
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*
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* BST_LPMODE_NO_REACTION: No reaction
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* BST_LPMODE_DCM_MODE: Force boost DCM low power mode
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* BST_LPMODE_STATIC_BYPASS: Force boost static bypass
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*/
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#define CS35L45_BST_LPMODE_NO_REACTION 0x0
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#define CS35L45_BST_LPMODE_DCM_MODE 0x1
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#define CS35L45_BST_LPMODE_STATIC_BYPASS 0x2
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/*
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* cirrus,amplifier-low-power-mode
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*
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* AMP_LPMODE_NG_MODE: Noise gate mode
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* AMP_LPMODE_NFR_MODE: Noise floor reduction mode
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*/
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#define CS35L45_AMP_LPMODE_NG_MODE 0x0
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#define CS35L45_AMP_LPMODE_NFR_MODE 0x1
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/*
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* cirrus,ldpm-groupX-pcm-threshold-db
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*
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* LDPM_PCM_THLD_TRUE_ZERO:
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*/
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#define CS35L45_LDPM_PCM_THLD_TRUE_ZERO -2147483648
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/*
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* Optional GPIOX Sub-nodes:
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* The cs35l45 node can have up to three "cirrus,gpio-ctrlX" ('X' = [1,2,3])
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