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Each IP and devices in exynos5422 can be controlled by each regulators. This patch is support for s2mps11 regulator driver. Signed-off-by: Jaehoon Chung Reviewed-by: Simon Glass Tested-by: Anand Moon --- drivers/power/regulator/Kconfig | 8 + drivers/power/regulator/Makefile | 1 + drivers/power/regulator/s2mps11_regulator.c | 597 ++++++++++++++++++++++++++++ include/power/s2mps11.h | 55 +++ 4 files changed, 661 insertions(+) create mode 100644 drivers/power/regulator/s2mps11_regulator.c diff --git a/drivers/power/regulator/Kconfig b/drivers/power/regulator/Kconfig index 26fb9368ea..5b4ac10462 100644 --- a/drivers/power/regulator/Kconfig +++ b/drivers/power/regulator/Kconfig @@ -101,6 +101,14 @@ config REGULATOR_RK8XX by the PMIC device. This driver is controlled by a device tree node which includes voltage limits. +config DM_REGULATOR_S2MPS11 + bool "Enable driver for S2MPS11 regulator" + depends on DM_REGULATOR && PMIC_S2MPS11 + ---help--- + This enables implementation of driver-model regulator uclass + features for REGULATOR S2MPS11. + The driver implements get/set api for: value and enable. + config REGULATOR_S5M8767 bool "Enable support for S5M8767 regulator" depends on DM_REGULATOR && PMIC_S5M8767 diff --git a/drivers/power/regulator/Makefile b/drivers/power/regulator/Makefile index 7a2e76dc82..728e8144de 100644 --- a/drivers/power/regulator/Makefile +++ b/drivers/power/regulator/Makefile @@ -14,6 +14,7 @@ obj-$(CONFIG_REGULATOR_PWM) += pwm_regulator.o obj-$(CONFIG_$(SPL_)DM_REGULATOR_FIXED) += fixed.o obj-$(CONFIG_$(SPL_)DM_REGULATOR_GPIO) += gpio-regulator.o obj-$(CONFIG_REGULATOR_RK8XX) += rk8xx.o +obj-$(CONFIG_DM_REGULATOR_S2MPS11) += s2mps11_regulator.o obj-$(CONFIG_REGULATOR_S5M8767) += s5m8767.o obj-$(CONFIG_DM_REGULATOR_SANDBOX) += sandbox.o obj-$(CONFIG_REGULATOR_TPS65090) += tps65090_regulator.o diff --git a/drivers/power/regulator/s2mps11_regulator.c b/drivers/power/regulator/s2mps11_regulator.c new file mode 100644 index 0000000000..3af20e60dd --- /dev/null +++ b/drivers/power/regulator/s2mps11_regulator.c @@ -0,0 +1,597 @@ +/* + * Copyright (C) 2018 Samsung Electronics + * Jaehoon Chung + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +DECLARE_GLOBAL_DATA_PTR; + +#define MODE(_id, _val, _name) { \ + .id = _id, \ + .register_value = _val, \ + .name = _name, \ +} + +/* BUCK : 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 */ +static struct dm_regulator_mode s2mps11_buck_modes[] = { + MODE(OP_OFF, S2MPS11_BUCK_MODE_OFF, "OFF"), + MODE(OP_STANDBY, S2MPS11_BUCK_MODE_STANDBY, "ON/OFF"), + MODE(OP_ON, S2MPS11_BUCK_MODE_STANDBY, "ON"), +}; + +static struct dm_regulator_mode s2mps11_ldo_modes[] = { + MODE(OP_OFF, S2MPS11_LDO_MODE_OFF, "OFF"), + MODE(OP_STANDBY, S2MPS11_LDO_MODE_STANDBY, "ON/OFF"), + MODE(OP_STANDBY_LPM, S2MPS11_LDO_MODE_STANDBY_LPM, "ON/LPM"), + MODE(OP_ON, S2MPS11_LDO_MODE_ON, "ON"), +}; + +static const char s2mps11_buck_ctrl[] = { + 0xff, 0x25, 0x27, 0x29, 0x2b, 0x2d, 0x33, 0x35, 0x37, 0x39, 0x3b +}; + +static const char s2mps11_buck_out[] = { + 0xff, 0x26, 0x28, 0x2a, 0x2c, 0x2f, 0x34, 0x36, 0x38, 0x3a, 0x3c +}; + +static int s2mps11_buck_hex2volt(int buck, int hex) +{ + unsigned int uV = 0; + + if (hex < 0) + goto bad; + + switch (buck) { + case 7: + case 8: + case 10: + if (hex > S2MPS11_BUCK7_8_10_VOLT_MAX_HEX) + goto bad; + + uV = hex * S2MPS11_BUCK_HSTEP + S2MPS11_BUCK_UV_HMIN; + break; + case 9: + if (hex > S2MPS11_BUCK9_VOLT_MAX_HEX) + goto bad; + uV = hex * S2MPS11_BUCK9_STEP * 2 + S2MPS11_BUCK9_UV_MIN; + break; + default: + if (buck == 5 && hex > S2MPS11_BUCK5_VOLT_MAX_HEX) + goto bad; + else if (buck != 5 && hex > S2MPS11_BUCK_VOLT_MAX_HEX) + goto bad; + + uV = hex * S2MPS11_BUCK_LSTEP + S2MPS11_BUCK_UV_MIN; + break; + } + + return uV; +bad: + pr_err("Value: %#x is wrong for BUCK%d", hex, buck); + return -EINVAL; +} + +static int s2mps11_buck_volt2hex(int buck, int uV) +{ + int hex; + + switch (buck) { + case 7: + case 8: + case 10: + hex = (uV - S2MPS11_BUCK_UV_HMIN) / S2MPS11_BUCK_HSTEP; + if (hex > S2MPS11_BUCK7_8_10_VOLT_MAX_HEX) + goto bad; + + break; + case 9: + hex = (uV - S2MPS11_BUCK9_UV_MIN) / S2MPS11_BUCK9_STEP; + if (hex > S2MPS11_BUCK9_VOLT_MAX_HEX) + goto bad; + break; + default: + hex = (uV - S2MPS11_BUCK_UV_MIN) / S2MPS11_BUCK_LSTEP; + if (buck == 5 && hex > S2MPS11_BUCK5_VOLT_MAX_HEX) + goto bad; + else if (buck != 5 && hex > S2MPS11_BUCK_VOLT_MAX_HEX) + goto bad; + break; + }; + + if (hex >= 0) + return hex; + +bad: + pr_err("Value: %d uV is wrong for BUCK%d", uV, buck); + return -EINVAL; +} + +static int s2mps11_buck_val(struct udevice *dev, int op, int *uV) +{ + int hex, buck, ret; + u32 mask, addr; + u8 val; + + buck = dev->driver_data; + if (buck < 1 || buck > S2MPS11_BUCK_NUM) { + pr_err("Wrong buck number: %d\n", buck); + return -EINVAL; + } + + if (op == PMIC_OP_GET) + *uV = 0; + + addr = s2mps11_buck_out[buck]; + + switch (buck) { + case 9: + mask = S2MPS11_BUCK9_VOLT_MASK; + break; + default: + mask = S2MPS11_BUCK_VOLT_MASK; + break; + } + + ret = pmic_read(dev->parent, addr, &val, 1); + if (ret) + return ret; + + if (op == PMIC_OP_GET) { + val &= mask; + ret = s2mps11_buck_hex2volt(buck, val); + if (ret < 0) + return ret; + *uV = ret; + return 0; + } + + hex = s2mps11_buck_volt2hex(buck, *uV); + if (hex < 0) + return hex; + + val &= ~mask; + val |= hex; + ret = pmic_write(dev->parent, addr, &val, 1); + + return ret; +} + +static int s2mps11_buck_mode(struct udevice *dev, int op, int *opmode) +{ + unsigned int addr, mode; + unsigned char val; + int buck, ret; + + buck = dev->driver_data; + if (buck < 1 || buck > S2MPS11_BUCK_NUM) { + pr_err("Wrong buck number: %d\n", buck); + return -EINVAL; + } + + addr = s2mps11_buck_ctrl[buck]; + + ret = pmic_read(dev->parent, addr, &val, 1); + if (ret) + return ret; + + if (op == PMIC_OP_GET) { + val &= (S2MPS11_BUCK_MODE_MASK << S2MPS11_BUCK_MODE_SHIFT); + switch (val) { + case S2MPS11_BUCK_MODE_OFF: + *opmode = OP_OFF; + break; + case S2MPS11_BUCK_MODE_STANDBY: + *opmode = OP_STANDBY; + break; + case S2MPS11_BUCK_MODE_ON: + *opmode = OP_ON; + break; + default: + return -EINVAL; + } + return 0; + } + + switch (*opmode) { + case OP_OFF: + mode = S2MPS11_BUCK_MODE_OFF; + break; + case OP_STANDBY: + mode = S2MPS11_BUCK_MODE_STANDBY; + break; + case OP_ON: + mode = S2MPS11_BUCK_MODE_ON; + break; + default: + pr_err("Wrong mode: %d for buck: %d\n", *opmode, buck); + return -EINVAL; + } + + val &= ~(S2MPS11_BUCK_MODE_MASK << S2MPS11_BUCK_MODE_SHIFT); + val |= mode; + ret = pmic_write(dev->parent, addr, &val, 1); + + return ret; +} + +static int s2mps11_buck_enable(struct udevice *dev, int op, bool *enable) +{ + int ret, on_off; + + if (op == PMIC_OP_GET) { + ret = s2mps11_buck_mode(dev, op, &on_off); + if (ret) + return ret; + switch (on_off) { + case OP_OFF: + *enable = false; + break; + case OP_ON: + *enable = true; + break; + default: + return -EINVAL; + } + } else if (op == PMIC_OP_SET) { + if (*enable) + on_off = OP_ON; + else + on_off = OP_OFF; + + ret = s2mps11_buck_mode(dev, op, &on_off); + if (ret) + return ret; + } + + return 0; +} + +static int buck_get_value(struct udevice *dev) +{ + int uV; + int ret; + + ret = s2mps11_buck_val(dev, PMIC_OP_GET, &uV); + if (ret) + return ret; + return uV; +} + +static int buck_set_value(struct udevice *dev, int uV) +{ + return s2mps11_buck_val(dev, PMIC_OP_SET, &uV); +} + +static int buck_get_enable(struct udevice *dev) +{ + bool enable = false; + int ret; + + ret = s2mps11_buck_enable(dev, PMIC_OP_GET, &enable); + if (ret) + return ret; + return enable; +} + +static int buck_set_enable(struct udevice *dev, bool enable) +{ + return s2mps11_buck_enable(dev, PMIC_OP_SET, &enable); +} + +static int buck_get_mode(struct udevice *dev) +{ + int mode; + int ret; + + ret = s2mps11_buck_mode(dev, PMIC_OP_GET, &mode); + if (ret) + return ret; + + return mode; +} + +static int buck_set_mode(struct udevice *dev, int mode) +{ + return s2mps11_buck_mode(dev, PMIC_OP_SET, &mode); +} + +static int s2mps11_buck_probe(struct udevice *dev) +{ + struct dm_regulator_uclass_platdata *uc_pdata; + + uc_pdata = dev_get_uclass_platdata(dev); + + uc_pdata->type = REGULATOR_TYPE_BUCK; + uc_pdata->mode = s2mps11_buck_modes; + uc_pdata->mode_count = ARRAY_SIZE(s2mps11_buck_modes); + + return 0; +} + +static const struct dm_regulator_ops s2mps11_buck_ops = { + .get_value = buck_get_value, + .set_value = buck_set_value, + .get_enable = buck_get_enable, + .set_enable = buck_set_enable, + .get_mode = buck_get_mode, + .set_mode = buck_set_mode, +}; + +U_BOOT_DRIVER(s2mps11_buck) = { + .name = S2MPS11_BUCK_DRIVER, + .id = UCLASS_REGULATOR, + .ops = &s2mps11_buck_ops, + .probe = s2mps11_buck_probe, +}; + +static int s2mps11_ldo_hex2volt(int ldo, int hex) +{ + unsigned int uV = 0; + + if (hex > S2MPS11_LDO_VOLT_MAX_HEX) { + pr_err("Value: %#x is wrong for LDO%d", hex, ldo); + return -EINVAL; + } + + switch (ldo) { + case 1: + case 6: + case 11: + case 22: + case 23: + uV = hex * S2MPS11_LDO_STEP + S2MPS11_LDO_UV_MIN; + break; + default: + uV = hex * S2MPS11_LDO_STEP * 2 + S2MPS11_LDO_UV_MIN; + break; + } + + return uV; +} + +static int s2mps11_ldo_volt2hex(int ldo, int uV) +{ + int hex = 0; + + switch (ldo) { + case 1: + case 6: + case 11: + case 22: + case 23: + hex = (uV - S2MPS11_LDO_UV_MIN) / S2MPS11_LDO_STEP; + break; + default: + hex = (uV - S2MPS11_LDO_UV_MIN) / (S2MPS11_LDO_STEP * 2); + break; + } + + if (hex >= 0 && hex <= S2MPS11_LDO_VOLT_MAX_HEX) + return hex; + + pr_err("Value: %d uV is wrong for LDO%d", uV, ldo); + return -EINVAL; + + return 0; +} + +static int s2mps11_ldo_val(struct udevice *dev, int op, int *uV) +{ + unsigned int addr; + unsigned char val; + int hex, ldo, ret; + + ldo = dev->driver_data; + if (ldo < 1 || ldo > S2MPS11_LDO_NUM) { + pr_err("Wrong ldo number: %d\n", ldo); + return -EINVAL; + } + + addr = S2MPS11_REG_L1CTRL + ldo - 1; + + ret = pmic_read(dev->parent, addr, &val, 1); + if (ret) + return ret; + + if (op == PMIC_OP_GET) { + *uV = 0; + val &= S2MPS11_LDO_VOLT_MASK; + ret = s2mps11_ldo_hex2volt(ldo, val); + if (ret < 0) + return ret; + + *uV = ret; + return 0; + } + + hex = s2mps11_ldo_volt2hex(ldo, *uV); + if (hex < 0) + return hex; + + val &= ~S2MPS11_LDO_VOLT_MASK; + val |= hex; + ret = pmic_write(dev->parent, addr, &val, 1); + + return ret; +} + +static int s2mps11_ldo_mode(struct udevice *dev, int op, int *opmode) +{ + unsigned int addr, mode; + unsigned char val; + int ldo, ret; + + ldo = dev->driver_data; + if (ldo < 1 || ldo > S2MPS11_LDO_NUM) { + pr_err("Wrong ldo number: %d\n", ldo); + return -EINVAL; + } + addr = S2MPS11_REG_L1CTRL + ldo - 1; + + ret = pmic_read(dev->parent, addr, &val, 1); + if (ret) + return ret; + + if (op == PMIC_OP_GET) { + val &= (S2MPS11_LDO_MODE_MASK << S2MPS11_LDO_MODE_SHIFT); + switch (val) { + case S2MPS11_LDO_MODE_OFF: + *opmode = OP_OFF; + break; + case S2MPS11_LDO_MODE_STANDBY: + *opmode = OP_STANDBY; + break; + case S2MPS11_LDO_MODE_STANDBY_LPM: + *opmode = OP_STANDBY_LPM; + break; + case S2MPS11_LDO_MODE_ON: + *opmode = OP_ON; + break; + default: + return -EINVAL; + } + return 0; + } + + switch (*opmode) { + case OP_OFF: + mode = S2MPS11_LDO_MODE_OFF; + break; + case OP_STANDBY: + mode = S2MPS11_LDO_MODE_STANDBY; + break; + case OP_STANDBY_LPM: + mode = S2MPS11_LDO_MODE_STANDBY_LPM; + break; + case OP_ON: + mode = S2MPS11_LDO_MODE_ON; + break; + default: + pr_err("Wrong mode: %d for ldo: %d\n", *opmode, ldo); + return -EINVAL; + } + + val &= ~(S2MPS11_LDO_MODE_MASK << S2MPS11_LDO_MODE_SHIFT); + val |= mode; + ret = pmic_write(dev->parent, addr, &val, 1); + + return ret; +} + +static int s2mps11_ldo_enable(struct udevice *dev, int op, bool *enable) +{ + int ret, on_off; + + if (op == PMIC_OP_GET) { + ret = s2mps11_ldo_mode(dev, op, &on_off); + if (ret) + return ret; + switch (on_off) { + case OP_OFF: + *enable = false; + break; + case OP_ON: + *enable = true; + break; + default: + return -EINVAL; + } + } else if (op == PMIC_OP_SET) { + if (*enable) + on_off = OP_ON; + else + on_off = OP_OFF; + + ret = s2mps11_ldo_mode(dev, op, &on_off); + if (ret) + return ret; + } + + return 0; +} + +static int ldo_get_value(struct udevice *dev) +{ + int uV; + int ret; + + ret = s2mps11_ldo_val(dev, PMIC_OP_GET, &uV); + if (ret) + return ret; + + return uV; +} + +static int ldo_set_value(struct udevice *dev, int uV) +{ + return s2mps11_ldo_val(dev, PMIC_OP_SET, &uV); +} + +static int ldo_get_enable(struct udevice *dev) +{ + bool enable = false; + int ret; + + ret = s2mps11_ldo_enable(dev, PMIC_OP_GET, &enable); + if (ret) + return ret; + return enable; +} + +static int ldo_set_enable(struct udevice *dev, bool enable) +{ + return s2mps11_ldo_enable(dev, PMIC_OP_SET, &enable); +} + +static int ldo_get_mode(struct udevice *dev) +{ + int mode, ret; + + ret = s2mps11_ldo_mode(dev, PMIC_OP_GET, &mode); + if (ret) + return ret; + return mode; +} + +static int ldo_set_mode(struct udevice *dev, int mode) +{ + return s2mps11_ldo_mode(dev, PMIC_OP_SET, &mode); +} + +static int s2mps11_ldo_probe(struct udevice *dev) +{ + struct dm_regulator_uclass_platdata *uc_pdata; + + uc_pdata = dev_get_uclass_platdata(dev); + uc_pdata->type = REGULATOR_TYPE_LDO; + uc_pdata->mode = s2mps11_ldo_modes; + uc_pdata->mode_count = ARRAY_SIZE(s2mps11_ldo_modes); + + return 0; +} + +static const struct dm_regulator_ops s2mps11_ldo_ops = { + .get_value = ldo_get_value, + .set_value = ldo_set_value, + .get_enable = ldo_get_enable, + .set_enable = ldo_set_enable, + .get_mode = ldo_get_mode, + .set_mode = ldo_set_mode, +}; + +U_BOOT_DRIVER(s2mps11_ldo) = { + .name = S2MPS11_LDO_DRIVER, + .id = UCLASS_REGULATOR, + .ops = &s2mps11_ldo_ops, + .probe = s2mps11_ldo_probe, +}; diff --git a/include/power/s2mps11.h b/include/power/s2mps11.h index 5da47198a4..22b38fff70 100644 --- a/include/power/s2mps11.h +++ b/include/power/s2mps11.h @@ -106,4 +106,59 @@ enum s2mps11_reg { #define S2MPS11_LDO26_ENABLE 0xec +#define S2MPS11_LDO_NUM 26 +#define S2MPS11_BUCK_NUM 10 + +/* Driver name */ +#define S2MPS11_BUCK_DRIVER "s2mps11_buck" +#define S2MPS11_OF_BUCK_PREFIX "BUCK" +#define S2MPS11_LDO_DRIVER "s2mps11_ldo" +#define S2MPS11_OF_LDO_PREFIX "LDO" + +/* BUCK */ +#define S2MPS11_BUCK_VOLT_MASK 0xff +#define S2MPS11_BUCK9_VOLT_MASK 0x1f + +#define S2MPS11_BUCK_LSTEP 6250 +#define S2MPS11_BUCK_HSTEP 12500 +#define S2MPS11_BUCK9_STEP 25000 + +#define S2MPS11_BUCK_UV_MIN 600000 +#define S2MPS11_BUCK_UV_HMIN 750000 +#define S2MPS11_BUCK9_UV_MIN 1400000 + +#define S2MPS11_BUCK_VOLT_MAX_HEX 0xA0 +#define S2MPS11_BUCK5_VOLT_MAX_HEX 0xDF +#define S2MPS11_BUCK7_8_10_VOLT_MAX_HEX 0xDC +#define S2MPS11_BUCK9_VOLT_MAX_HEX 0x5F + +#define S2MPS11_BUCK_MODE_SHIFT 6 +#define S2MPS11_BUCK_MODE_MASK (0x3) +#define S2MPS11_BUCK_MODE_OFF (0x0 << 6) +#define S2MPS11_BUCK_MODE_STANDBY (0x1 << 6) +#define S2MPS11_BUCK_MODE_ON (0x3 << 6) + +/* LDO */ +#define S2MPS11_LDO_VOLT_MASK 0x3F +#define S2MPS11_LDO_VOLT_MAX_HEX 0x3F + +#define S2MPS11_LDO_STEP 25000 +#define S2MPS11_LDO_UV_MIN 800000 + +#define S2MPS11_LDO_MODE_MASK 0x3 +#define S2MPS11_LDO_MODE_SHIFT 6 + +#define S2MPS11_LDO_MODE_OFF (0x0 << 6) +#define S2MPS11_LDO_MODE_STANDBY (0x1 << 6) +#define S2MPS11_LDO_MODE_STANDBY_LPM (0x2 << 6) +#define S2MPS11_LDO_MODE_ON (0x3 << 6) + +enum { + OP_OFF = 0, + OP_LPM, + OP_STANDBY, + OP_STANDBY_LPM, + OP_ON, +}; + #endif From patchwork Tue Jan 16 06:33:51 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jaehoon Chung X-Patchwork-Id: 861289 X-Patchwork-Delegate: jh80.chung@samsung.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=lists.denx.de (client-ip=81.169.180.215; helo=lists.denx.de; envelope-from=u-boot-bounces@lists.denx.de; receiver=) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=samsung.com header.i=@samsung.com header.b="m8GzVPRe"; dkim-atps=neutral Received: from lists.denx.de (dione.denx.de [81.169.180.215]) by ozlabs.org (Postfix) with ESMTP id 3zLL6g3XP5z9ryk for ; Tue, 16 Jan 2018 17:34:35 +1100 (AEDT) Received: by lists.denx.de (Postfix, from userid 105) id 21B4EC21E0F; Tue, 16 Jan 2018 06:34:22 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on lists.denx.de X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=SPF_HELO_PASS, T_DKIM_INVALID autolearn=unavailable autolearn_force=no version=3.4.0 Received: from lists.denx.de (localhost [IPv6:::1]) by lists.denx.de (Postfix) with ESMTP id 73FF3C21DD9; 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Tue, 16 Jan 2018 06:33:54 +0000 (GMT) Received: from epcas1p4.samsung.com ( [182.195.41.48]) by epsmges1p4.samsung.com (Symantec Messaging Gateway) with SMTP id 9D.BA.04483.2DC9D5A5; Tue, 16 Jan 2018 15:33:54 +0900 (KST) Received: from epsmgms2p1new.samsung.com (unknown [182.195.42.142]) by epcas1p4.samsung.com (KnoxPortal) with ESMTP id 20180116063354epcas1p4705477ff6ec2fc97d8f50f795adb98c0~KNsLFNvD-2207322073epcas1p4o; Tue, 16 Jan 2018 06:33:54 +0000 (GMT) X-AuditID: b6c32a38-ec5ff70000001183-2b-5a5d9cd245ac Received: from epmmp1.local.host ( [203.254.227.16]) by epsmgms2p1new.samsung.com (Symantec Messaging Gateway) with SMTP id 05.79.04148.2DC9D5A5; Tue, 16 Jan 2018 15:33:54 +0900 (KST) Received: from localhost.localdomain ([10.113.77.174]) by mmp1.samsung.com (Oracle Communications Messaging Server 7.0.5.31.0 64bit (built May 5 2014)) with ESMTPA id <0P2M00MABY8IXYC0@mmp1.samsung.com>; Tue, 16 Jan 2018 15:33:54 +0900 (KST) From: Jaehoon Chung To: u-boot@lists.denx.de Date: Tue, 16 Jan 2018 15:33:51 +0900 Message-id: <20180116063352.14392-3-jh80.chung@samsung.com> X-Mailer: git-send-email 2.15.1 In-reply-to: <20180116063352.14392-1-jh80.chung@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAAzWSe0hTURzHO7vb7tVaXTarkxWNGxUNXbtz6rW2nhYXFBwIUTOdN71s0l7s bpJBodFLexpm4rQHpEyDRDNbmWWWTUqFDLFmPiiwEFqRpWWUbbv13/d8f5/f73fO4YshUp8o FiuwuVinjbEQ4mhh25P1qviBmmyD6luQol7PnhBRt5oDKPUh+EpAnXp6DFDTrW2AunTxNkp9 6ihFqY7RKbAVoz3FL4X0leoeIX2vegSlJzsbUbrvrQ/Q51obAd1zeUaoRw2s1swy+axTztry 7PkFNpOOSMs07jAmJqnIeDKFSibkNsbK6ojUdH38rgJL6FqEvJCxuEOWnuE4YsNmrdPudrFy s51z6YgsklQrSVWyUq1WKzUJ2RvViSEklzXPjXSJHb2Sg5+PBdBiUDm/DERhENfA+ofPkDIQ jUlxH4BDVVMC/jAD4NyXXvQ/5T89IOYL7QCO9tf8o34AOPynI0KJ8Th4d9ovCOsYHMLZ84Mg DCF4E4BXh4OhJRgmw3fCL+UwzAjxNbD93QgIawm+Cf70BP5tWwUvtB4VhnUUroVT4zcicyDu FcM3ozcBD6XCkplZhNcyOOlvRcPzIb4cDnTrePskgH0eGd9bAaC36rSALyTAietlEY3gC2Hw +xkR3yuBp05IeYSGP2tfILy9Df6oTOffex7A+iav6AKIvQbmNYIlrIOzmliOdGiUHGPl3DaT Ms9ubQGR1CgoH3jQn94FcAwQCyRU2z6DVMQUckXWLgAxhIiRlGSGLEk+U3SIddqNTreF5bpA YuhrypHYxXn2UAZtLiOpSVFpktShLKSQJLFUotenGqS4iXGxB1jWwTr/9wmwqNhiUFj063ip 6b1Pb9iUtS01x0sj5Z47ue1/KEUZU5s/diStcu2KMet9S8Bsbq50RufMrFx25nDVUHD68/av 2KDg8e4M3bhKUWGf6I2r+9UwveUymWB83tm/V9+SefZjnqwiS1FRtbpOjnY3FFz0L/y9Z7+w eYFW+2hdaYZOsahtYish5MwMqUCcHPMXrW5etUsDAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprDLMWRmVeSWpSXmKPExsVy+t9jAd1Lc2KjDH4dUbO48auN1WLdxlvs Fs/fXWay6DjSwmjxbcs2RoupkzazW7zd28lusffeZ0YHDo/ZDRdZPObNOsHisXPWXXaPVwdW sXucvbOD0aNvyypGjxPTv7MEsEdx2aSk5mSWpRbp2yVwZfy/e4it4AxvxfuWW+wNjNO4uxg5 OSQETCSOd19i62Lk4hAS2Mko8WLWDyjnB6PEqVtf2UGq2AR0JLZ/O84EYosISEj86r/KCFLE LLCeUeLktd+sXYwcHMICrhIfJkqA1LAIqErsfnSXEcTmFbCW+Dn7FjvENnmJCVuaWEBsTgEb ic8PloDVCAHVLPz7h2UCI88CRoZVjJKpBcW56bnFRgWGeanlesWJucWleel6yfm5mxiBYbbt sFbfDsb7S+IPMQpwMCrx8E7YERMlxJpYVlyZe4hRgoNZSYS3MRgoxJuSWFmVWpQfX1Sak1p8 iFGag0VJnPd23rFIIYH0xJLU7NTUgtQimCwTB6dUA2OmbFCFg6zrmum/eQLW9q10eTmps+mP yXEPieVR/StWnDrCsKbRaGH6jgUMmhq5CzP9DS7xvF/Vz8PadGX9uiMvBRvl9NbGr18XdCE6 QLq5la9++WwlAZ5wdXsOPvbDDy9tuHXbe73KVkfx1cU7zxVIc1rpyuzeL/LgxV6vUxGSBk/2 bc66YaPEUpyRaKjFXFScCACZYFirLwIAAA== X-CMS-MailID: 20180116063354epcas1p4705477ff6ec2fc97d8f50f795adb98c0 X-Msg-Generator: CA CMS-TYPE: 101P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20180116063354epcas1p4705477ff6ec2fc97d8f50f795adb98c0 X-RootMTR: 20180116063354epcas1p4705477ff6ec2fc97d8f50f795adb98c0 References: <20180116063352.14392-1-jh80.chung@samsung.com> Cc: trini@konsulko.com Subject: [U-Boot] [PATCH 2/3] power: pmic: s2mps11: probe the regulator driver X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.18 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" Add the probe function to support the s2mps11 regulator driver. Signed-off-by: Jaehoon Chung Reviewed-by: Simon Glass Tested-by: Anand Moon --- drivers/power/pmic/s2mps11.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/drivers/power/pmic/s2mps11.c b/drivers/power/pmic/s2mps11.c index 522105e5ff..3f9525b67d 100644 --- a/drivers/power/pmic/s2mps11.c +++ b/drivers/power/pmic/s2mps11.c @@ -15,6 +15,12 @@ DECLARE_GLOBAL_DATA_PTR; +static const struct pmic_child_info pmic_children_info[] = { + { .prefix = S2MPS11_OF_LDO_PREFIX, .driver = S2MPS11_LDO_DRIVER }, + { .prefix = S2MPS11_OF_BUCK_PREFIX, .driver = S2MPS11_BUCK_DRIVER }, + { }, +}; + static int s2mps11_reg_count(struct udevice *dev) { return S2MPS11_REG_COUNT; @@ -43,6 +49,27 @@ static int s2mps11_read(struct udevice *dev, uint reg, uint8_t *buff, int len) return ret; } +static int s2mps11_probe(struct udevice *dev) +{ + ofnode regulators_node; + int children; + + regulators_node = dev_read_subnode(dev, "voltage-regulators"); + if (!ofnode_valid(regulators_node)) { + debug("%s: %s regulators subnode not found!", __func__, + dev->name); + return -ENXIO; + } + + debug("%s: '%s' - found regulators subnode\n", __func__, dev->name); + + children = pmic_bind_children(dev, regulators_node, pmic_children_info); + if (!children) + debug("%s: %s - no child found\n", __func__, dev->name); + + return 0; +} + static struct dm_pmic_ops s2mps11_ops = { .reg_count = s2mps11_reg_count, .read = s2mps11_read, @@ -59,4 +86,5 @@ U_BOOT_DRIVER(pmic_s2mps11) = { .id = UCLASS_PMIC, .of_match = s2mps11_ids, .ops = &s2mps11_ops, + .probe = s2mps11_probe, }; From patchwork Tue Jan 16 06:33:52 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jaehoon Chung X-Patchwork-Id: 861291 X-Patchwork-Delegate: jh80.chung@samsung.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=lists.denx.de (client-ip=81.169.180.215; helo=lists.denx.de; envelope-from=u-boot-bounces@lists.denx.de; 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Tue, 16 Jan 2018 15:33:55 +0900 (KST) Received: from epsmgms2p1new.samsung.com (unknown [182.195.42.142]) by epcas1p2.samsung.com (KnoxPortal) with ESMTP id 20180116063354epcas1p2c1fbe1ba58dca76f99b2abdbbc4e2b2c~KNsLMzl7n1608116081epcas1p29; Tue, 16 Jan 2018 06:33:54 +0000 (GMT) X-AuditID: b6c32a37-413ff70000001041-2b-5a5d9cd37ca5 Received: from epmmp1.local.host ( [203.254.227.16]) by epsmgms2p1new.samsung.com (Symantec Messaging Gateway) with SMTP id C5.79.04148.2DC9D5A5; Tue, 16 Jan 2018 15:33:54 +0900 (KST) Received: from localhost.localdomain ([10.113.77.174]) by mmp1.samsung.com (Oracle Communications Messaging Server 7.0.5.31.0 64bit (built May 5 2014)) with ESMTPA id <0P2M00MABY8IXYC0@mmp1.samsung.com>; Tue, 16 Jan 2018 15:33:54 +0900 (KST) From: Jaehoon Chung To: u-boot@lists.denx.de Date: Tue, 16 Jan 2018 15:33:52 +0900 Message-id: <20180116063352.14392-4-jh80.chung@samsung.com> X-Mailer: git-send-email 2.15.1 In-reply-to: <20180116063352.14392-1-jh80.chung@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrGKsWRmVeSWpSXmKPExsWy7bCmru7lObFRBks3sVjc+NXGarFu4y12 i+fvLjNZdBxpYbT4tmUbo8XUSZvZLd7u7WS32HvvM6MDh8fshossHvNmnWDx2DnrLrvHqwOr 2D3O3tnB6NG3ZRWjx4np31kC2KNSbTJSE1NSixRS85LzUzLz0m2VvIPjneNNzQwMdQ0tLcyV FPISc1NtlVx8AnTdMnOAzlJSKEvMKQUKBSQWFyvp29kU5ZeWpCpk5BeX2CpFGxoa6RkamOsZ GRnpmRjHWhmZApUkpGY0Tl/KWDCHraLt4UqmBsYtrF2MnBwSAiYS7y7cYuti5OIQEtjBKPFj 7npGCOc7o0Tf8VmMMFW/Dv5igUjsZpTY0bMPyvnBKHH73152kCo2AR2J7d+OM4HYIgISEr/6 r4KNYhZYzygx//Y75i5GDg5hgRCJNTMsQGpYBFQlju49CraBV8BaYlb7JRaIbfISE7Y0gdmc AjYSnx8sAZsjIbCETeJcy2w2kDkSAi4SZw/wQ9QLS7w6voUdIiwtcemoLUS4nVHi7GxhiNYp jBIrZnQzQSSMJZ4t7AKzmQX4JN597WGF6OWV6GgTgjA9JI78L4aodpT4d3wmWLWQQD+jRNe9 igmMUgsYGVYxiqUWFOempxYbFhjrFSfmFpfmpesl5+duYgSnGS3zHYwbzvkcYhTgYFTi4bXY FhMlxJpYVlyZe4hRgoNZSYS3MRgoxJuSWFmVWpQfX1Sak1p8iNEUGDATmaVEk/OBKTCvJN7Q xNLAxMwImBIsDQ2VxHkDAlyihATSE0tSs1NTC1KLYPqYODilGhibjJi+pbimnn2gfNhUNEU4 499T5mPVXbz2/3rzpabVMPqfXFFt2nGw5EfmeZnKhdHtjS5XBV7XzEpuvpXgOc3yWYDMXN4L 1dpND578n/7ivtUCzYLLTxa1Bb398rA3SJXV6KG2rrm17qcfm8q/CDxymeOwY5tIQbzKvcz9 oXcrnS0NZeZH3FViKc5INNRiLipOBABRNn3TSQMAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprDLMWRmVeSWpSXmKPExsVy+t9jAd1Lc2KjDF6+17W48auN1WLdxlvs Fs/fXWay6DjSwmjxbcs2RoupkzazW7zd28lusffeZ0YHDo/ZDRdZPObNOsHisXPWXXaPVwdW sXucvbOD0aNvyypGjxPTv7MEsEdx2aSk5mSWpRbp2yVwZTROX8pYMIetou3hSqYGxi2sXYyc HBICJhK/Dv5i6WLk4hAS2MkoceDzMUYI5wejxKlbX9lBqtgEdCS2fzvOBGKLCEhI/Oq/ClbE LLCeUeLktd9Aozg4hAVCJNbMsACpYRFQlTi69ygjiM0rYC0xq/0SC8Q2eYkJW5rAbE4BG4nP D5aA1QgB1Sz8+4dlAiPPAkaGVYySqQXFuem5xUYFhnmp5XrFibnFpXnpesn5uZsYgWG27bBW 3w7G+0viDzEKcDAq8fBO2BETJcSaWFZcmXuIUYKDWUmEtzEYKMSbklhZlVqUH19UmpNafIhR moNFSZz3dt6xSCGB9MSS1OzU1ILUIpgsEwenVAMjw5K/m9XuaN7qcNHbp74oQ5Bj0tekWzem vFm9ipvlm/nGOM7v/Bds1P+aplc0MN8JTtOMef5ROVH4z+N7RWdEOSY88d55MHJ6F+vb6V0x 677+EvS0f++8XHgXxyWJBa7fe1Z8Pf1zvv7eS/q70+xzHMUz01x/cAU/l+y+cln5/BT5bKXJ 9WYlSizFGYmGWsxFxYkAkw8AqC8CAAA= X-CMS-MailID: 20180116063354epcas1p2c1fbe1ba58dca76f99b2abdbbc4e2b2c X-Msg-Generator: CA CMS-TYPE: 101P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20180116063354epcas1p2c1fbe1ba58dca76f99b2abdbbc4e2b2c X-RootMTR: 20180116063354epcas1p2c1fbe1ba58dca76f99b2abdbbc4e2b2c References: <20180116063352.14392-1-jh80.chung@samsung.com> Cc: trini@konsulko.com Subject: [U-Boot] [PATCH 3/3] configs: odroid-xu3: enable the configs relevant to regulator X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.18 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" Enable the CONFIG_CMD_REGULATOR and CONFIG_DM_REGULATOR_S2MPS11. Signed-off-by: Jaehoon Chung Reviewed-by: Simon Glass Tested-by: Anand Moon --- configs/odroid-xu3_defconfig | 2 ++ 1 file changed, 2 insertions(+) diff --git a/configs/odroid-xu3_defconfig b/configs/odroid-xu3_defconfig index 976c06a29d..11b1c8bf11 100644 --- a/configs/odroid-xu3_defconfig +++ b/configs/odroid-xu3_defconfig @@ -22,6 +22,7 @@ CONFIG_CMD_CACHE=y CONFIG_CMD_TIME=y CONFIG_CMD_PMIC=y CONFIG_CMD_EXT4_WRITE=y +CONFIG_CMD_REGULATOR=y CONFIG_ENV_IS_IN_MMC=y CONFIG_ADC=y CONFIG_ADC_EXYNOS=y @@ -35,6 +36,7 @@ CONFIG_SMC911X_BASE=0x5000000 CONFIG_DM_PMIC=y CONFIG_PMIC_S2MPS11=y CONFIG_DM_REGULATOR=y +CONFIG_DM_REGULATOR_S2MPS11=y CONFIG_USB=y CONFIG_DM_USB=y CONFIG_USB_XHCI_HCD=y