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Tue, 6 Jun 2023 16:22:27 +0000 Received: from PA4PR03MB7136.eurprd03.prod.outlook.com ([fe80::528d:e0b6:ecc6:25e5]) by PA4PR03MB7136.eurprd03.prod.outlook.com ([fe80::528d:e0b6:ecc6:25e5%4]) with mapi id 15.20.6455.030; Tue, 6 Jun 2023 16:22:27 +0000 From: Oleksii Moisieiev To: "sudeep.holla@arm.com" CC: Oleksii Moisieiev , Cristian Marussi , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Linus Walleij , "linux-arm-kernel@lists.infradead.org" , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-gpio@vger.kernel.org" Subject: [PATCH v3 1/4] firmware: arm_scmi: Add optional flags to extended names helper Thread-Topic: [PATCH v3 1/4] firmware: arm_scmi: Add optional flags to extended names helper Thread-Index: AQHZmJMV0Z/bArOidE+HuMEc9wmXMQ== Date: Tue, 6 Jun 2023 16:22:27 +0000 Message-ID: <2ad06a5582bb31e16fe2f497e15cb41e8455e863.1686063941.git.oleksii_moisieiev@epam.com> References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-publictraffictype: Email x-ms-traffictypediagnostic: PA4PR03MB7136:EE_|DB4PR03MB8708:EE_ x-ms-office365-filtering-correlation-id: afd4a14b-03eb-4e2b-eb0a-08db66aa381d x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam: BCL:0; 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Signed-off-by: Cristian Marussi --- drivers/firmware/arm_scmi/clock.c | 2 +- drivers/firmware/arm_scmi/driver.c | 8 ++++++-- drivers/firmware/arm_scmi/perf.c | 3 ++- drivers/firmware/arm_scmi/power.c | 2 +- drivers/firmware/arm_scmi/powercap.c | 2 +- drivers/firmware/arm_scmi/protocols.h | 3 ++- drivers/firmware/arm_scmi/reset.c | 3 ++- drivers/firmware/arm_scmi/sensors.c | 2 +- drivers/firmware/arm_scmi/voltage.c | 2 +- 9 files changed, 17 insertions(+), 10 deletions(-) diff --git a/drivers/firmware/arm_scmi/clock.c b/drivers/firmware/arm_scmi/clock.c index 96060bf90a24..e6e087686e8c 100644 --- a/drivers/firmware/arm_scmi/clock.c +++ b/drivers/firmware/arm_scmi/clock.c @@ -169,7 +169,7 @@ static int scmi_clock_attributes_get(const struct scmi_protocol_handle *ph, if (!ret && PROTOCOL_REV_MAJOR(version) >= 0x2) { if (SUPPORTS_EXTENDED_NAMES(attributes)) ph->hops->extended_name_get(ph, CLOCK_NAME_GET, clk_id, - clk->name, + NULL, clk->name, SCMI_MAX_STR_SIZE); if (SUPPORTS_RATE_CHANGED_NOTIF(attributes)) diff --git a/drivers/firmware/arm_scmi/driver.c b/drivers/firmware/arm_scmi/driver.c index e7d97b59963b..5be931a07c84 100644 --- a/drivers/firmware/arm_scmi/driver.c +++ b/drivers/firmware/arm_scmi/driver.c @@ -1438,6 +1438,7 @@ struct scmi_msg_resp_domain_name_get { * @ph: A protocol handle reference. * @cmd_id: The specific command ID to use. * @res_id: The specific resource ID to use. + * @flags: A pointer to specific flags to use, if any. * @name: A pointer to the preallocated area where the retrieved name will be * stored as a NULL terminated string. * @len: The len in bytes of the @name char array. @@ -1445,8 +1446,8 @@ struct scmi_msg_resp_domain_name_get { * Return: 0 on Succcess */ static int scmi_common_extended_name_get(const struct scmi_protocol_handle *ph, - u8 cmd_id, u32 res_id, char *name, - size_t len) + u8 cmd_id, u32 res_id, u32 *flags, + char *name, size_t len) { int ret; struct scmi_xfer *t; @@ -1458,6 +1459,9 @@ static int scmi_common_extended_name_get(const struct scmi_protocol_handle *ph, goto out; put_unaligned_le32(res_id, t->tx.buf); + if (flags) + put_unaligned_le32(*flags, + (u8 *)t->tx.buf + sizeof(res_id)); resp = t->rx.buf; ret = ph->xops->do_xfer(ph, t); diff --git a/drivers/firmware/arm_scmi/perf.c b/drivers/firmware/arm_scmi/perf.c index ecf5c4de851b..d85d4a0e3605 100644 --- a/drivers/firmware/arm_scmi/perf.c +++ b/drivers/firmware/arm_scmi/perf.c @@ -237,7 +237,8 @@ scmi_perf_domain_attributes_get(const struct scmi_protocol_handle *ph, if (!ret && PROTOCOL_REV_MAJOR(version) >= 0x3 && SUPPORTS_EXTENDED_NAMES(flags)) ph->hops->extended_name_get(ph, PERF_DOMAIN_NAME_GET, domain, - dom_info->name, SCMI_MAX_STR_SIZE); + NULL, dom_info->name, + SCMI_MAX_STR_SIZE); return ret; } diff --git a/drivers/firmware/arm_scmi/power.c b/drivers/firmware/arm_scmi/power.c index 356e83631664..077767d6e902 100644 --- a/drivers/firmware/arm_scmi/power.c +++ b/drivers/firmware/arm_scmi/power.c @@ -133,7 +133,7 @@ scmi_power_domain_attributes_get(const struct scmi_protocol_handle *ph, if (!ret && PROTOCOL_REV_MAJOR(version) >= 0x3 && SUPPORTS_EXTENDED_NAMES(flags)) { ph->hops->extended_name_get(ph, POWER_DOMAIN_NAME_GET, - domain, dom_info->name, + domain, NULL, dom_info->name, SCMI_MAX_STR_SIZE); } diff --git a/drivers/firmware/arm_scmi/powercap.c b/drivers/firmware/arm_scmi/powercap.c index 83b90bde755c..e7ea9210aae1 100644 --- a/drivers/firmware/arm_scmi/powercap.c +++ b/drivers/firmware/arm_scmi/powercap.c @@ -268,7 +268,7 @@ scmi_powercap_domain_attributes_get(const struct scmi_protocol_handle *ph, */ if (!ret && SUPPORTS_EXTENDED_NAMES(flags)) ph->hops->extended_name_get(ph, POWERCAP_DOMAIN_NAME_GET, - domain, dom_info->name, + domain, NULL, dom_info->name, SCMI_MAX_STR_SIZE); return ret; diff --git a/drivers/firmware/arm_scmi/protocols.h b/drivers/firmware/arm_scmi/protocols.h index 78e1a01eb656..b3c6314bb4b8 100644 --- a/drivers/firmware/arm_scmi/protocols.h +++ b/drivers/firmware/arm_scmi/protocols.h @@ -256,7 +256,8 @@ struct scmi_fc_info { */ struct scmi_proto_helpers_ops { int (*extended_name_get)(const struct scmi_protocol_handle *ph, - u8 cmd_id, u32 res_id, char *name, size_t len); + u8 cmd_id, u32 res_id, u32 *flags, char *name, + size_t len); void *(*iter_response_init)(const struct scmi_protocol_handle *ph, struct scmi_iterator_ops *ops, unsigned int max_resources, u8 msg_id, diff --git a/drivers/firmware/arm_scmi/reset.c b/drivers/firmware/arm_scmi/reset.c index e9afa8cab730..7217fd7c6afa 100644 --- a/drivers/firmware/arm_scmi/reset.c +++ b/drivers/firmware/arm_scmi/reset.c @@ -128,7 +128,8 @@ scmi_reset_domain_attributes_get(const struct scmi_protocol_handle *ph, if (!ret && PROTOCOL_REV_MAJOR(version) >= 0x3 && SUPPORTS_EXTENDED_NAMES(attributes)) ph->hops->extended_name_get(ph, RESET_DOMAIN_NAME_GET, domain, - dom_info->name, SCMI_MAX_STR_SIZE); + NULL, dom_info->name, + SCMI_MAX_STR_SIZE); return ret; } diff --git a/drivers/firmware/arm_scmi/sensors.c b/drivers/firmware/arm_scmi/sensors.c index 0b5853fa9d87..9952a7bc6682 100644 --- a/drivers/firmware/arm_scmi/sensors.c +++ b/drivers/firmware/arm_scmi/sensors.c @@ -644,7 +644,7 @@ iter_sens_descr_process_response(const struct scmi_protocol_handle *ph, if (PROTOCOL_REV_MAJOR(si->version) >= 0x3 && SUPPORTS_EXTENDED_NAMES(attrl)) ph->hops->extended_name_get(ph, SENSOR_NAME_GET, s->id, - s->name, SCMI_MAX_STR_SIZE); + NULL, s->name, SCMI_MAX_STR_SIZE); if (s->extended_scalar_attrs) { s->sensor_power = le32_to_cpu(sdesc->power); diff --git a/drivers/firmware/arm_scmi/voltage.c b/drivers/firmware/arm_scmi/voltage.c index eaa8d944926a..36e2df77738c 100644 --- a/drivers/firmware/arm_scmi/voltage.c +++ b/drivers/firmware/arm_scmi/voltage.c @@ -242,7 +242,7 @@ static int scmi_voltage_descriptors_get(const struct scmi_protocol_handle *ph, if (SUPPORTS_EXTENDED_NAMES(attributes)) ph->hops->extended_name_get(ph, VOLTAGE_DOMAIN_NAME_GET, - v->id, v->name, + v->id, NULL, v->name, SCMI_MAX_STR_SIZE); 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Signed-off-by: Oleksii Moisieiev Reviewed-by: Linus Walleij --- .../bindings/firmware/arm,scmi.yaml | 53 +++++++++++++++++++ 1 file changed, 53 insertions(+) diff --git a/Documentation/devicetree/bindings/firmware/arm,scmi.yaml b/Documentation/devicetree/bindings/firmware/arm,scmi.yaml index 5824c43e9893..a19aa184bbd1 100644 --- a/Documentation/devicetree/bindings/firmware/arm,scmi.yaml +++ b/Documentation/devicetree/bindings/firmware/arm,scmi.yaml @@ -233,6 +233,39 @@ properties: reg: const: 0x18 + protocol@19: + $ref: '#/$defs/protocol-node' + + properties: + reg: + const: 0x19 + + '#pinctrl-cells': + const: 0 + + allOf: + - $ref: /schemas/pinctrl/pinctrl.yaml# + + required: + - reg + + additionalProperties: + anyOf: + - type: object + allOf: + - $ref: /schemas/pinctrl/pincfg-node.yaml# + - $ref: /schemas/pinctrl/pinmux-node.yaml# + + description: + A pin multiplexing sub-node describe how to configure a + set of pins is some desired function. + A single sub-node may define several pin configurations. + This sub-node is using default pinctrl bindings to configure + pin multiplexing and using SCMI protocol to apply specified + configuration using SCMI protocol. + + unevaluatedProperties: false + additionalProperties: false $defs: @@ -384,6 +417,26 @@ examples: scmi_powercap: protocol@18 { reg = <0x18>; }; + + scmi_pinctrl: protocol@19 { + reg = <0x19>; + #pinctrl-cells = <0>; + + i2c2 { + groups = "i2c2_a", "i2c2_b"; + function = "i2c2"; + }; + + pins_mdio { + groups = "avb_mdio"; + drive-strength = <24>; + }; + + keys_pins: keys { + pins = "GP_5_17", "GP_5_20", "GP_5_22", "GP_2_1"; + bias-pull-up; + }; + }; }; };