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[2620:137:e000::1:20]) by mx.google.com with ESMTP id bx20-20020a170906a1d400b0078d40f7ef1fsi16143432ejb.330.2022.10.20.13.45.15; Thu, 20 Oct 2022 13:45:39 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@collabora.com header.s=mail header.b=IsQH5LWQ; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=collabora.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229729AbiJTUnu (ORCPT + 99 others); Thu, 20 Oct 2022 16:43:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34018 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229741AbiJTUnO (ORCPT ); Thu, 20 Oct 2022 16:43:14 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e5ab]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 90B241F810A; Thu, 20 Oct 2022 13:43:11 -0700 (PDT) Received: from jupiter.universe (dyndsl-091-096-059-009.ewe-ip-backbone.de [91.96.59.9]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) (Authenticated sender: sre) by madras.collabora.co.uk (Postfix) with ESMTPSA id 549096602538; Thu, 20 Oct 2022 21:42:57 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1666298577; bh=ju4+Y6oRH1bukxoahGYecoITlUw4tb3HclJZrUKfzRM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=IsQH5LWQaGA/TNR0caSY6BL/T0oXevfIVAxqje7OM5wexR7iD/TRKF1iurHr+QBSq KewGQ5J8jvPA1ZjhUqInDfXadwJkAxudr55SKq5sOFnn2Z9nFOCGOhhBShpxBjRFCo ftRzE3RODidriepOsJGCryeeTzI3y9OFxYHvtRgz9vxKt3Aw5cQ4jnePkejugy1ZuQ 7J0oGhYRkNLwYZbbOLkFRyEYoKEjkhLfoC9DDSiWbx7zEEQ2ZexKtJgnPpZ5oCAxss 8qO7j6LxzGjwNKRUa92SpUj7quqru7p945ZM94DINE0FxgNP/xIHh4f17kq86nK45J MaZZFjWrfnrig== Received: by jupiter.universe (Postfix, from userid 1000) id 5D7D548089C; Thu, 20 Oct 2022 22:42:52 +0200 (CEST) From: Sebastian Reichel To: Heiko Stuebner , Rob Herring , Krzysztof Kozlowski , Lee Jones Cc: Michael Turquette , Stephen Boyd , Linus Walleij , Mark Brown , Liam Girdwood , Alexandre Belloni , Alessandro Zummo , linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Sebastian Reichel , kernel@collabora.com Subject: [PATCHv4 07/13] mfd: rk808: split into core and i2c Date: Thu, 20 Oct 2022 22:42:45 +0200 Message-Id: <20221020204251.108565-8-sebastian.reichel@collabora.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20221020204251.108565-1-sebastian.reichel@collabora.com> References: <20221020204251.108565-1-sebastian.reichel@collabora.com> MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1747240867623220999?= X-GMAIL-MSGID: =?utf-8?q?1747240867623220999?= Split rk808 into a core and an i2c part in preperation for SPI support. Signed-off-by: Sebastian Reichel --- drivers/clk/Kconfig | 2 +- drivers/input/misc/Kconfig | 2 +- drivers/mfd/Kconfig | 7 +- drivers/mfd/Makefile | 3 +- drivers/mfd/{rk808.c => rk8xx-core.c} | 210 ++++---------------------- drivers/mfd/rk8xx-i2c.c | 209 +++++++++++++++++++++++++ drivers/pinctrl/Kconfig | 2 +- drivers/power/supply/Kconfig | 2 +- drivers/regulator/Kconfig | 2 +- drivers/rtc/Kconfig | 2 +- include/linux/mfd/rk808.h | 6 + sound/soc/codecs/Kconfig | 2 +- 12 files changed, 263 insertions(+), 186 deletions(-) rename drivers/mfd/{rk808.c => rk8xx-core.c} (75%) create mode 100644 drivers/mfd/rk8xx-i2c.c diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig index d79905f3e174..8448d616b9aa 100644 --- a/drivers/clk/Kconfig +++ b/drivers/clk/Kconfig @@ -83,7 +83,7 @@ config COMMON_CLK_MAX9485 config COMMON_CLK_RK808 tristate "Clock driver for RK805/RK808/RK809/RK817/RK818" - depends on MFD_RK808 + depends on MFD_RK8XX help This driver supports RK805, RK809 and RK817, RK808 and RK818 crystal oscillator clock. These multi-function devices have two fixed-rate oscillators, clocked at 32KHz each. diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig index 9f088900f863..1899afeaec47 100644 --- a/drivers/input/misc/Kconfig +++ b/drivers/input/misc/Kconfig @@ -588,7 +588,7 @@ config INPUT_PWM_VIBRA config INPUT_RK805_PWRKEY tristate "Rockchip RK805 PMIC power key support" - depends on MFD_RK808 + depends on MFD_RK8XX help Select this option to enable power key driver for RK805. diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index 8b93856de432..8e3de443cc3d 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -1201,12 +1201,17 @@ config MFD_RC5T583 Additional drivers must be enabled in order to use the different functionality of the device. -config MFD_RK808 +config MFD_RK8XX + bool + select MFD_CORE + +config MFD_RK8XX_I2C tristate "Rockchip RK805/RK808/RK809/RK817/RK818 Power Management Chip" depends on I2C && OF select MFD_CORE select REGMAP_I2C select REGMAP_IRQ + select MFD_RK8XX help If you say yes here you get support for the RK805, RK808, RK809, RK817 and RK818 Power Management chips. diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile index 7ed3ef4a698c..edf84e870f98 100644 --- a/drivers/mfd/Makefile +++ b/drivers/mfd/Makefile @@ -223,7 +223,8 @@ obj-$(CONFIG_MFD_PALMAS) += palmas.o obj-$(CONFIG_MFD_VIPERBOARD) += viperboard.o obj-$(CONFIG_MFD_NTXEC) += ntxec.o obj-$(CONFIG_MFD_RC5T583) += rc5t583.o rc5t583-irq.o -obj-$(CONFIG_MFD_RK808) += rk808.o +obj-$(CONFIG_MFD_RK8XX) += rk8xx-core.o +obj-$(CONFIG_MFD_RK8XX_I2C) += rk8xx-i2c.o obj-$(CONFIG_MFD_RN5T618) += rn5t618.o obj-$(CONFIG_MFD_SEC_CORE) += sec-core.o sec-irq.o obj-$(CONFIG_MFD_SYSCON) += syscon.o diff --git a/drivers/mfd/rk808.c b/drivers/mfd/rk8xx-core.c similarity index 75% rename from drivers/mfd/rk808.c rename to drivers/mfd/rk8xx-core.c index b154ca96d812..098506972710 100644 --- a/drivers/mfd/rk808.c +++ b/drivers/mfd/rk8xx-core.c @@ -3,16 +3,9 @@ * MFD core driver for Rockchip RK808/RK818 * * Copyright (c) 2014, Fuzhou Rockchip Electronics Co., Ltd - * - * Author: Chris Zhong - * Author: Zhang Qing - * * Copyright (C) 2016 PHYTEC Messtechnik GmbH - * - * Author: Wadim Egorov */ -#include #include #include #include @@ -27,92 +20,6 @@ struct rk808_reg_data { int value; }; -static bool rk808_is_volatile_reg(struct device *dev, unsigned int reg) -{ - /* - * Notes: - * - Technically the ROUND_30s bit makes RTC_CTRL_REG volatile, but - * we don't use that feature. It's better to cache. - * - It's unlikely we care that RK808_DEVCTRL_REG is volatile since - * bits are cleared in case when we shutoff anyway, but better safe. - */ - - switch (reg) { - case RK808_SECONDS_REG ... RK808_WEEKS_REG: - case RK808_RTC_STATUS_REG: - case RK808_VB_MON_REG: - case RK808_THERMAL_REG: - case RK808_DCDC_UV_STS_REG: - case RK808_LDO_UV_STS_REG: - case RK808_DCDC_PG_REG: - case RK808_LDO_PG_REG: - case RK808_DEVCTRL_REG: - case RK808_INT_STS_REG1: - case RK808_INT_STS_REG2: - return true; - } - - return false; -} - -static bool rk817_is_volatile_reg(struct device *dev, unsigned int reg) -{ - /* - * Notes: - * - Technically the ROUND_30s bit makes RTC_CTRL_REG volatile, but - * we don't use that feature. It's better to cache. - */ - - switch (reg) { - case RK817_SECONDS_REG ... RK817_WEEKS_REG: - case RK817_RTC_STATUS_REG: - case RK817_CODEC_DTOP_LPT_SRST: - case RK817_GAS_GAUGE_ADC_CONFIG0 ... RK817_GAS_GAUGE_CUR_ADC_K0: - case RK817_PMIC_CHRG_STS: - case RK817_PMIC_CHRG_OUT: - case RK817_PMIC_CHRG_IN: - case RK817_INT_STS_REG0: - case RK817_INT_STS_REG1: - case RK817_INT_STS_REG2: - case RK817_SYS_STS: - return true; - } - - return false; -} - -static const struct regmap_config rk818_regmap_config = { - .reg_bits = 8, - .val_bits = 8, - .max_register = RK818_USB_CTRL_REG, - .cache_type = REGCACHE_RBTREE, - .volatile_reg = rk808_is_volatile_reg, -}; - -static const struct regmap_config rk805_regmap_config = { - .reg_bits = 8, - .val_bits = 8, - .max_register = RK805_OFF_SOURCE_REG, - .cache_type = REGCACHE_RBTREE, - .volatile_reg = rk808_is_volatile_reg, -}; - -static const struct regmap_config rk808_regmap_config = { - .reg_bits = 8, - .val_bits = 8, - .max_register = RK808_IO_POL_REG, - .cache_type = REGCACHE_RBTREE, - .volatile_reg = rk808_is_volatile_reg, -}; - -static const struct regmap_config rk817_regmap_config = { - .reg_bits = 8, - .val_bits = 8, - .max_register = RK817_GPIO_INT_CFG, - .cache_type = REGCACHE_NONE, - .volatile_reg = rk817_is_volatile_reg, -}; - static const struct resource rtc_resources[] = { DEFINE_RES_IRQ(RK808_IRQ_RTC_ALARM), }; @@ -598,9 +505,9 @@ static int rk808_restart(struct sys_off_data *data) return NOTIFY_DONE; } -static void rk8xx_shutdown(struct i2c_client *client) +void rk8xx_shutdown(struct device *dev) { - struct rk808 *rk808 = i2c_get_clientdata(client); + struct rk808 *rk808 = dev_get_drvdata(dev); int ret; switch (rk808->variant) { @@ -621,62 +528,31 @@ static void rk8xx_shutdown(struct i2c_client *client) return; } if (ret) - dev_warn(&client->dev, + dev_warn(dev, "Cannot switch to power down function\n"); } +EXPORT_SYMBOL_GPL(rk8xx_shutdown); -static const struct of_device_id rk808_of_match[] = { - { .compatible = "rockchip,rk805" }, - { .compatible = "rockchip,rk808" }, - { .compatible = "rockchip,rk809" }, - { .compatible = "rockchip,rk817" }, - { .compatible = "rockchip,rk818" }, - { }, -}; -MODULE_DEVICE_TABLE(of, rk808_of_match); - -static int rk808_probe(struct i2c_client *client, - const struct i2c_device_id *id) +int rk8xx_probe(struct device *dev, int variant, unsigned int irq, struct regmap *regmap) { - struct device_node *np = client->dev.of_node; struct rk808 *rk808; const struct rk808_reg_data *pre_init_reg; const struct mfd_cell *cells; int nr_pre_init_regs; int nr_cells; - int msb, lsb; - unsigned char pmic_id_msb, pmic_id_lsb; int ret; int i; - rk808 = devm_kzalloc(&client->dev, sizeof(*rk808), GFP_KERNEL); + rk808 = devm_kzalloc(dev, sizeof(*rk808), GFP_KERNEL); if (!rk808) return -ENOMEM; - - if (of_device_is_compatible(np, "rockchip,rk817") || - of_device_is_compatible(np, "rockchip,rk809")) { - pmic_id_msb = RK817_ID_MSB; - pmic_id_lsb = RK817_ID_LSB; - } else { - pmic_id_msb = RK808_ID_MSB; - pmic_id_lsb = RK808_ID_LSB; - } - - /* Read chip variant */ - msb = i2c_smbus_read_byte_data(client, pmic_id_msb); - if (msb < 0) - return dev_err_probe(&client->dev, msb, "failed to read the chip id MSB\n"); - - lsb = i2c_smbus_read_byte_data(client, pmic_id_lsb); - if (lsb < 0) - return dev_err_probe(&client->dev, lsb, "failed to read the chip id LSB\n"); - - rk808->variant = ((msb << 8) | lsb) & RK8XX_ID_MSK; - dev_info(&client->dev, "chip id: 0x%x\n", (unsigned int)rk808->variant); + rk808->dev = dev; + rk808->variant = variant; + rk808->regmap = regmap; + dev_set_drvdata(dev, rk808); switch (rk808->variant) { case RK805_ID: - rk808->regmap_cfg = &rk805_regmap_config; rk808->regmap_irq_chip = &rk805_irq_chip; pre_init_reg = rk805_pre_init_reg; nr_pre_init_regs = ARRAY_SIZE(rk805_pre_init_reg); @@ -684,7 +560,6 @@ static int rk808_probe(struct i2c_client *client, nr_cells = ARRAY_SIZE(rk805s); break; case RK808_ID: - rk808->regmap_cfg = &rk808_regmap_config; rk808->regmap_irq_chip = &rk808_irq_chip; pre_init_reg = rk808_pre_init_reg; nr_pre_init_regs = ARRAY_SIZE(rk808_pre_init_reg); @@ -692,7 +567,6 @@ static int rk808_probe(struct i2c_client *client, nr_cells = ARRAY_SIZE(rk808s); break; case RK818_ID: - rk808->regmap_cfg = &rk818_regmap_config; rk808->regmap_irq_chip = &rk818_irq_chip; pre_init_reg = rk818_pre_init_reg; nr_pre_init_regs = ARRAY_SIZE(rk818_pre_init_reg); @@ -701,7 +575,6 @@ static int rk808_probe(struct i2c_client *client, break; case RK809_ID: case RK817_ID: - rk808->regmap_cfg = &rk817_regmap_config; rk808->regmap_irq_chip = &rk817_irq_chip; pre_init_reg = rk817_pre_init_reg; nr_pre_init_regs = ARRAY_SIZE(rk817_pre_init_reg); @@ -709,27 +582,20 @@ static int rk808_probe(struct i2c_client *client, nr_cells = ARRAY_SIZE(rk817s); break; default: - dev_err(&client->dev, "Unsupported RK8XX ID %lu\n", - rk808->variant); + dev_err(dev, "Unsupported RK8XX ID %lu\n", rk808->variant); return -EINVAL; } - rk808->dev = &client->dev; - i2c_set_clientdata(client, rk808); - - rk808->regmap = devm_regmap_init_i2c(client, rk808->regmap_cfg); - if (IS_ERR(rk808->regmap)) - return dev_err_probe(&client->dev, PTR_ERR(rk808->regmap), - "regmap initialization failed\n"); + dev_info(dev, "chip id: 0x%x\n", (unsigned int)rk808->variant); - if (!client->irq) - return dev_err_probe(&client->dev, -EINVAL, "No interrupt support, no core IRQ\n"); + if (!irq) + return dev_err_probe(dev, -EINVAL, "No interrupt support, no core IRQ\n"); - ret = devm_regmap_add_irq_chip(&client->dev, rk808->regmap, client->irq, + ret = devm_regmap_add_irq_chip(dev, rk808->regmap, irq, IRQF_ONESHOT, -1, rk808->regmap_irq_chip, &rk808->irq_data); if (ret) - return dev_err_probe(&client->dev, ret, "Failed to add irq_chip\n"); + return dev_err_probe(dev, ret, "Failed to add irq_chip\n"); for (i = 0; i < nr_pre_init_regs; i++) { ret = regmap_update_bits(rk808->regmap, @@ -737,45 +603,46 @@ static int rk808_probe(struct i2c_client *client, pre_init_reg[i].mask, pre_init_reg[i].value); if (ret) - return dev_err_probe(&client->dev, ret, "0x%x write err\n", + return dev_err_probe(dev, ret, "0x%x write err\n", pre_init_reg[i].addr); } - ret = devm_mfd_add_devices(&client->dev, PLATFORM_DEVID_NONE, + ret = devm_mfd_add_devices(dev, PLATFORM_DEVID_NONE, cells, nr_cells, NULL, 0, regmap_irq_get_domain(rk808->irq_data)); if (ret) - return dev_err_probe(&client->dev, ret, "failed to add MFD devices\n"); + return dev_err_probe(dev, ret, "failed to add MFD devices\n"); - if (of_property_read_bool(np, "rockchip,system-power-controller")) { - ret = devm_register_sys_off_handler(&client->dev, + if (device_property_read_bool(dev, "rockchip,system-power-controller")) { + ret = devm_register_sys_off_handler(dev, SYS_OFF_MODE_POWER_OFF_PREPARE, SYS_OFF_PRIO_HIGH, &rk808_power_off, rk808); if (ret) - return dev_err_probe(&client->dev, ret, + return dev_err_probe(dev, ret, "failed to register poweroff handler\n"); switch (rk808->variant) { case RK809_ID: case RK817_ID: - ret = devm_register_sys_off_handler(&client->dev, + ret = devm_register_sys_off_handler(dev, SYS_OFF_MODE_RESTART, SYS_OFF_PRIO_HIGH, &rk808_restart, rk808); if (ret) - dev_warn(&client->dev, "failed to register rst handler, %d\n", ret); + dev_warn(dev, "failed to register rst handler, %d\n", ret); break; default: - dev_dbg(&client->dev, "pmic controlled board reset not supported\n"); + dev_dbg(dev, "pmic controlled board reset not supported\n"); break; } } return 0; } +EXPORT_SYMBOL_GPL(rk8xx_probe); -static int __maybe_unused rk8xx_suspend(struct device *dev) +int rk8xx_suspend(struct device *dev) { - struct rk808 *rk808 = i2c_get_clientdata(to_i2c_client(dev)); + struct rk808 *rk808 = dev_get_drvdata(dev); int ret = 0; switch (rk808->variant) { @@ -798,10 +665,11 @@ static int __maybe_unused rk8xx_suspend(struct device *dev) return ret; } +EXPORT_SYMBOL_GPL(rk8xx_suspend); -static int __maybe_unused rk8xx_resume(struct device *dev) +int rk8xx_resume(struct device *dev) { - struct rk808 *rk808 = i2c_get_clientdata(to_i2c_client(dev)); + struct rk808 *rk808 = dev_get_drvdata(dev); int ret = 0; switch (rk808->variant) { @@ -818,22 +686,10 @@ static int __maybe_unused rk8xx_resume(struct device *dev) return ret; } -static SIMPLE_DEV_PM_OPS(rk8xx_pm_ops, rk8xx_suspend, rk8xx_resume); - -static struct i2c_driver rk808_i2c_driver = { - .driver = { - .name = "rk808", - .of_match_table = rk808_of_match, - .pm = &rk8xx_pm_ops, - }, - .probe = rk808_probe, - .shutdown = rk8xx_shutdown, -}; - -module_i2c_driver(rk808_i2c_driver); +EXPORT_SYMBOL_GPL(rk8xx_resume); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Chris Zhong "); MODULE_AUTHOR("Zhang Qing "); MODULE_AUTHOR("Wadim Egorov "); -MODULE_DESCRIPTION("RK808/RK818 PMIC driver"); +MODULE_DESCRIPTION("RK8xx PMIC core"); diff --git a/drivers/mfd/rk8xx-i2c.c b/drivers/mfd/rk8xx-i2c.c new file mode 100644 index 000000000000..7babb0e1e64c --- /dev/null +++ b/drivers/mfd/rk8xx-i2c.c @@ -0,0 +1,209 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Rockchip RK808/RK818 Core (I2C) driver + * + * Copyright (c) 2014, Fuzhou Rockchip Electronics Co., Ltd + * Copyright (C) 2016 PHYTEC Messtechnik GmbH + * + * Author: Chris Zhong + * Author: Zhang Qing + * Author: Wadim Egorov + */ + +#include +#include +#include +#include +#include + +static bool rk808_is_volatile_reg(struct device *dev, unsigned int reg) +{ + /* + * Notes: + * - Technically the ROUND_30s bit makes RTC_CTRL_REG volatile, but + * we don't use that feature. It's better to cache. + * - It's unlikely we care that RK808_DEVCTRL_REG is volatile since + * bits are cleared in case when we shutoff anyway, but better safe. + */ + + switch (reg) { + case RK808_SECONDS_REG ... RK808_WEEKS_REG: + case RK808_RTC_STATUS_REG: + case RK808_VB_MON_REG: + case RK808_THERMAL_REG: + case RK808_DCDC_UV_STS_REG: + case RK808_LDO_UV_STS_REG: + case RK808_DCDC_PG_REG: + case RK808_LDO_PG_REG: + case RK808_DEVCTRL_REG: + case RK808_INT_STS_REG1: + case RK808_INT_STS_REG2: + return true; + } + + return false; +} + +static bool rk817_is_volatile_reg(struct device *dev, unsigned int reg) +{ + /* + * Notes: + * - Technically the ROUND_30s bit makes RTC_CTRL_REG volatile, but + * we don't use that feature. It's better to cache. + */ + + switch (reg) { + case RK817_SECONDS_REG ... RK817_WEEKS_REG: + case RK817_RTC_STATUS_REG: + case RK817_CODEC_DTOP_LPT_SRST: + case RK817_GAS_GAUGE_ADC_CONFIG0 ... RK817_GAS_GAUGE_CUR_ADC_K0: + case RK817_PMIC_CHRG_STS: + case RK817_PMIC_CHRG_OUT: + case RK817_PMIC_CHRG_IN: + case RK817_INT_STS_REG0: + case RK817_INT_STS_REG1: + case RK817_INT_STS_REG2: + case RK817_SYS_STS: + return true; + } + + return false; +} + + +static const struct regmap_config rk818_regmap_config = { + .reg_bits = 8, + .val_bits = 8, + .max_register = RK818_USB_CTRL_REG, + .cache_type = REGCACHE_RBTREE, + .volatile_reg = rk808_is_volatile_reg, +}; + +static const struct regmap_config rk805_regmap_config = { + .reg_bits = 8, + .val_bits = 8, + .max_register = RK805_OFF_SOURCE_REG, + .cache_type = REGCACHE_RBTREE, + .volatile_reg = rk808_is_volatile_reg, +}; + +static const struct regmap_config rk808_regmap_config = { + .reg_bits = 8, + .val_bits = 8, + .max_register = RK808_IO_POL_REG, + .cache_type = REGCACHE_RBTREE, + .volatile_reg = rk808_is_volatile_reg, +}; + +static const struct regmap_config rk817_regmap_config = { + .reg_bits = 8, + .val_bits = 8, + .max_register = RK817_GPIO_INT_CFG, + .cache_type = REGCACHE_NONE, + .volatile_reg = rk817_is_volatile_reg, +}; + +static int rk8xx_i2c_get_variant(struct i2c_client *client) +{ + u8 pmic_id_msb, pmic_id_lsb; + int msb, lsb; + + if (of_device_is_compatible(client->dev.of_node, "rockchip,rk817") || + of_device_is_compatible(client->dev.of_node, "rockchip,rk809")) { + pmic_id_msb = RK817_ID_MSB; + pmic_id_lsb = RK817_ID_LSB; + } else { + pmic_id_msb = RK808_ID_MSB; + pmic_id_lsb = RK808_ID_LSB; + } + + /* Read chip variant */ + msb = i2c_smbus_read_byte_data(client, pmic_id_msb); + if (msb < 0) + return dev_err_probe(&client->dev, msb, "failed to read the chip id MSB\n"); + + lsb = i2c_smbus_read_byte_data(client, pmic_id_lsb); + if (lsb < 0) + return dev_err_probe(&client->dev, lsb, "failed to read the chip id LSB\n"); + + return ((msb << 8) | lsb) & RK8XX_ID_MSK; +} + +static int rk8xx_i2c_probe(struct i2c_client *client) +{ + const struct regmap_config *regmap_cfg; + struct regmap *regmap; + int variant; + + variant = rk8xx_i2c_get_variant(client); + if (variant < 0) + return variant; + + switch (variant) { + case RK805_ID: + regmap_cfg = &rk805_regmap_config; + break; + case RK808_ID: + regmap_cfg = &rk808_regmap_config; + break; + case RK818_ID: + regmap_cfg = &rk818_regmap_config; + break; + case RK809_ID: + case RK817_ID: + regmap_cfg = &rk817_regmap_config; + break; + default: + return dev_err_probe(&client->dev, -EINVAL, "Unsupported RK8XX ID %x\n", variant); + } + + regmap = devm_regmap_init_i2c(client, regmap_cfg); + if (IS_ERR(regmap)) + return dev_err_probe(&client->dev, PTR_ERR(regmap), + "regmap initialization failed\n"); + + return rk8xx_probe(&client->dev, variant, client->irq, regmap); +} + +static void rk8xx_i2c_shutdown(struct i2c_client *client) +{ + rk8xx_shutdown(&client->dev); +} + +static int __maybe_unused rk8xx_i2c_suspend(struct device *dev) +{ + return rk8xx_suspend(dev); +} + +static int __maybe_unused rk8xx_i2c_resume(struct device *dev) +{ + return rk8xx_resume(dev); +} +static SIMPLE_DEV_PM_OPS(rk8xx_i2c_pm_ops, rk8xx_i2c_suspend, rk8xx_i2c_resume); + +static const struct of_device_id rk8xx_i2c_of_match[] = { + { .compatible = "rockchip,rk805" }, + { .compatible = "rockchip,rk808" }, + { .compatible = "rockchip,rk809" }, + { .compatible = "rockchip,rk817" }, + { .compatible = "rockchip,rk818" }, + { }, +}; +MODULE_DEVICE_TABLE(of, rk8xx_i2c_of_match); + +static struct i2c_driver rk8xx_i2c_driver = { + .driver = { + .name = "rk8xx-i2c", + .of_match_table = rk8xx_i2c_of_match, + .pm = &rk8xx_i2c_pm_ops, + }, + .probe_new = rk8xx_i2c_probe, + .shutdown = rk8xx_i2c_shutdown, +}; +module_i2c_driver(rk8xx_i2c_driver); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Chris Zhong "); +MODULE_AUTHOR("Zhang Qing "); +MODULE_AUTHOR("Wadim Egorov "); +MODULE_DESCRIPTION("RK8xx I2C PMIC driver"); diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig index f71fefff400f..3618660b6a5c 100644 --- a/drivers/pinctrl/Kconfig +++ b/drivers/pinctrl/Kconfig @@ -396,7 +396,7 @@ config PINCTRL_PISTACHIO config PINCTRL_RK805 tristate "Pinctrl and GPIO driver for RK805 PMIC" - depends on MFD_RK808 + depends on MFD_RK8XX select GPIOLIB select PINMUX select GENERIC_PINCONF diff --git a/drivers/power/supply/Kconfig b/drivers/power/supply/Kconfig index 0bbfe6a7ce4d..306a9b1f897e 100644 --- a/drivers/power/supply/Kconfig +++ b/drivers/power/supply/Kconfig @@ -725,7 +725,7 @@ config CHARGER_BQ256XX config CHARGER_RK817 tristate "Rockchip RK817 PMIC Battery Charger" - depends on MFD_RK808 + depends on MFD_RK8XX help Say Y to include support for Rockchip RK817 Battery Charger. diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig index 070e4403c6c2..d5eb240a1bb1 100644 --- a/drivers/regulator/Kconfig +++ b/drivers/regulator/Kconfig @@ -1039,7 +1039,7 @@ config REGULATOR_RC5T583 config REGULATOR_RK808 tristate "Rockchip RK805/RK808/RK809/RK817/RK818 Power regulators" - depends on MFD_RK808 + depends on MFD_RK8XX help Select this option to enable the power regulator of ROCKCHIP PMIC RK805,RK809&RK817,RK808 and RK818. diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig index bb63edb507da..09f59059a60f 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig @@ -395,7 +395,7 @@ config RTC_DRV_NCT3018Y config RTC_DRV_RK808 tristate "Rockchip RK805/RK808/RK809/RK817/RK818 RTC" - depends on MFD_RK808 + depends on MFD_RK8XX help If you say yes here you will get support for the RTC of RK805, RK809 and RK817, RK808 and RK818 PMIC. diff --git a/include/linux/mfd/rk808.h b/include/linux/mfd/rk808.h index a89ddd9ba68e..4183427a80fe 100644 --- a/include/linux/mfd/rk808.h +++ b/include/linux/mfd/rk808.h @@ -794,4 +794,10 @@ struct rk808 { const struct regmap_config *regmap_cfg; const struct regmap_irq_chip *regmap_irq_chip; }; + +void rk8xx_shutdown(struct device *dev); +int rk8xx_probe(struct device *dev, int variant, unsigned int irq, struct regmap *regmap); +int rk8xx_suspend(struct device *dev); +int rk8xx_resume(struct device *dev); + #endif /* __LINUX_REGULATOR_RK808_H */ diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig index e3b90c425faf..fec157721703 100644 --- a/sound/soc/codecs/Kconfig +++ b/sound/soc/codecs/Kconfig @@ -1210,7 +1210,7 @@ config SND_SOC_RK3328 config SND_SOC_RK817 tristate "Rockchip RK817 audio CODEC" - depends on MFD_RK808 || COMPILE_TEST + depends on MFD_RK8XX || COMPILE_TEST config SND_SOC_RL6231 tristate