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([188.163.112.76]) by smtp.gmail.com with ESMTPSA id u15-20020ac248af000000b004fdd6b72bfdsm183445lfg.117.2023.10.27.01.26.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 27 Oct 2023 01:26:34 -0700 (PDT) From: Svyatoslav Ryhel To: Tom Rini , Jaehoon Chung , Simon Glass , Svyatoslav Ryhel Cc: u-boot@lists.denx.de Subject: [PATCH v9 7/8] power: pmic: tps65910: add TPS65911 PMIC support Date: Fri, 27 Oct 2023 11:26:14 +0300 Message-Id: <20231027082615.306943-8-clamor95@gmail.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231027082615.306943-1-clamor95@gmail.com> References: <20231027082615.306943-1-clamor95@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean Add support to bind the regulators/child nodes with the pmic. Also adds the pmic i2c based read/write functions to access pmic registers. Signed-off-by: Svyatoslav Ryhel Reviewed-by: Simon Glass --- doc/device-tree-bindings/pmic/tps65911.txt | 78 ++++++++++++++++++++++ drivers/power/pmic/pmic_tps65910_dm.c | 15 ++++- include/power/tps65910_pmic.h | 44 ++++++++++++ 3 files changed, 134 insertions(+), 3 deletions(-) create mode 100644 doc/device-tree-bindings/pmic/tps65911.txt diff --git a/doc/device-tree-bindings/pmic/tps65911.txt b/doc/device-tree-bindings/pmic/tps65911.txt new file mode 100644 index 0000000000..29270efbfe --- /dev/null +++ b/doc/device-tree-bindings/pmic/tps65911.txt @@ -0,0 +1,78 @@ +Texas Instruments, TPS65911 PMIC + +This device uses two drivers: +- drivers/power/pmic/tps65910.c (for parent device) +- drivers/power/regulator/tps65911_regulator.c (for child regulators) + +This chapter describes the binding info for the PMIC driver and regulators. + +Required properties for PMIC: +- compatible: "ti,tps65911" +- reg: 0x2d + +With those two properties, the pmic device can be used for read/write only. +To bind each regulator, the optional regulators subnode should exists. + +Optional subnode: +- name: regulators (subnode list of each device's regulator) + +Regulators subnode contains set on supported regulators. + +Required properties: +- regulator-name: used for regulator uclass platform data '.name', + +List of supported regulator nodes names for tps65911: +- vdd1, vdd2, vddctrl, vddio +- ldo1, ldo2, ldo3, ldo4, ldo5, ldo6, ldo7, ldo8 + +vddio in datasheet is referred as vio, but for reduction of code and +unification of smps regulators it is named vddio. + +Optional: +- regulator-min-microvolt: minimum allowed Voltage to set +- regulator-max-microvolt: minimum allowed Voltage to set +- regulator-always-on: regulator should be never disabled +- regulator-boot-on: regulator should be enabled by the bootloader + +Example: + +tps65911@2d { + compatible = "ti,tps65911"; + reg = <0x2d>; + + regulators { + vdd1 { + regulator-name = "vdd_1v2_backlight"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <1200000>; + regulator-always-on; + regulator-boot-on; + }; + + ... + + vddio { + regulator-name = "vdd_1v8_gen"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-always-on; + regulator-boot-on; + }; + + ldo1 { + regulator-name = "vdd_emmc_core"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + regulator-boot-on; + }; + + ... + + ldo8 { + regulator-name = "vdd_ddr_hs"; + regulator-min-microvolt = <1000000>; + regulator-max-microvolt = <1000000>; + }; + }; +}; diff --git a/drivers/power/pmic/pmic_tps65910_dm.c b/drivers/power/pmic/pmic_tps65910_dm.c index 8ead1db802..0a4911cef6 100644 --- a/drivers/power/pmic/pmic_tps65910_dm.c +++ b/drivers/power/pmic/pmic_tps65910_dm.c @@ -12,13 +12,19 @@ #include #include -static const struct pmic_child_info pmic_children_info[] = { +static const struct pmic_child_info tps65910_children_info[] = { { .prefix = "ldo_", .driver = TPS65910_LDO_DRIVER }, { .prefix = "buck_", .driver = TPS65910_BUCK_DRIVER }, { .prefix = "boost_", .driver = TPS65910_BOOST_DRIVER }, { }, }; +static const struct pmic_child_info tps65911_children_info[] = { + { .prefix = "ldo", .driver = TPS65911_LDO_DRIVER }, + { .prefix = "vdd", .driver = TPS65911_VDD_DRIVER }, + { }, +}; + static int pmic_tps65910_reg_count(struct udevice *dev) { return TPS65910_NUM_REGS; @@ -50,6 +56,8 @@ static int pmic_tps65910_read(struct udevice *dev, uint reg, u8 *buffer, static int pmic_tps65910_bind(struct udevice *dev) { + const struct pmic_child_info *tps6591x_children_info = + (struct pmic_child_info *)dev_get_driver_data(dev); ofnode regulators_node; int children; @@ -59,7 +67,7 @@ static int pmic_tps65910_bind(struct udevice *dev) return -EINVAL; } - children = pmic_bind_children(dev, regulators_node, pmic_children_info); + children = pmic_bind_children(dev, regulators_node, tps6591x_children_info); if (!children) debug("%s has no children (regulators)\n", dev->name); @@ -83,7 +91,8 @@ static struct dm_pmic_ops pmic_tps65910_ops = { }; static const struct udevice_id pmic_tps65910_match[] = { - { .compatible = "ti,tps65910" }, + { .compatible = "ti,tps65910", .data = (ulong)&tps65910_children_info }, + { .compatible = "ti,tps65911", .data = (ulong)&tps65911_children_info }, { /* sentinel */ } }; diff --git a/include/power/tps65910_pmic.h b/include/power/tps65910_pmic.h index 66214786d3..7d6545abdf 100644 --- a/include/power/tps65910_pmic.h +++ b/include/power/tps65910_pmic.h @@ -126,4 +126,48 @@ struct tps65910_regulator_pdata { #define TPS65910_BOOST_DRIVER "tps65910_boost" #define TPS65910_LDO_DRIVER "tps65910_ldo" +/* tps65911 i2c registers */ +enum { + TPS65911_REG_VIO = 0x20, + TPS65911_REG_VDD1, + TPS65911_REG_VDD1_OP, + TPS65911_REG_VDD1_SR, + TPS65911_REG_VDD2, + TPS65911_REG_VDD2_OP, + TPS65911_REG_VDD2_SR, + TPS65911_REG_VDDCTRL, + TPS65911_REG_VDDCTRL_OP, + TPS65911_REG_VDDCTRL_SR, + TPS65911_REG_LDO1 = 0x30, + TPS65911_REG_LDO2, + TPS65911_REG_LDO5, + TPS65911_REG_LDO8, + TPS65911_REG_LDO7, + TPS65911_REG_LDO6, + TPS65911_REG_LDO4, + TPS65911_REG_LDO3, +}; + +#define TPS65911_VDD_NUM 4 +#define TPS65911_LDO_NUM 8 + +#define TPS65911_VDD_VOLT_MAX 1500000 +#define TPS65911_VDD_VOLT_MIN 600000 +#define TPS65911_VDD_VOLT_BASE 562500 + +#define TPS65911_LDO_VOLT_MAX 3300000 +#define TPS65911_LDO_VOLT_BASE 800000 + +#define TPS65911_LDO_SEL_MASK (0x3f << 2) + +#define TPS65911_LDO124_VOLT_MAX_HEX 0x32 +#define TPS65911_LDO358_VOLT_MAX_HEX 0x19 +#define TPS65911_LDO358_VOLT_MIN_HEX 0x02 + +#define TPS65911_LDO124_VOLT_STEP 50000 +#define TPS65911_LDO358_VOLT_STEP 100000 + +#define TPS65911_VDD_DRIVER "tps65911_vdd" +#define TPS65911_LDO_DRIVER "tps65911_ldo" + #endif /* __TPS65910_PMIC_H_ */ -- 2.39.2