From patchwork Wed Aug 12 19:50:15 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dan Murphy X-Patchwork-Id: 11711291 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 60E1C722 for ; Wed, 12 Aug 2020 19:52:13 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 3A25020781 for ; Wed, 12 Aug 2020 19:52:13 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="mVusxqrA"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=ti.com header.i=@ti.com header.b="Nmb16x0x" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3A25020781 Authentication-Results: mail.kernel.org; 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Wed, 12 Aug 2020 14:50:31 -0500 Received: from DLEE113.ent.ti.com (157.170.170.24) by DLEE112.ent.ti.com (157.170.170.23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Wed, 12 Aug 2020 14:50:31 -0500 Received: from fllv0040.itg.ti.com (10.64.41.20) by DLEE113.ent.ti.com (157.170.170.24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3 via Frontend Transport; Wed, 12 Aug 2020 14:50:31 -0500 Received: from localhost (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0040.itg.ti.com (8.15.2/8.15.2) with ESMTP id 07CJoVwM087977; Wed, 12 Aug 2020 14:50:31 -0500 From: Dan Murphy To: , , , Subject: [PATCH v33 1/6] dt: bindings: lp50xx: Introduce the lp50xx family of RGB drivers Date: Wed, 12 Aug 2020 14:50:15 -0500 Message-ID: <20200812195020.13568-2-dmurphy@ti.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200812195020.13568-1-dmurphy@ti.com> References: <20200812195020.13568-1-dmurphy@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200812_155035_189234_F4DFD199 X-CRM114-Status: GOOD ( 16.46 ) X-Spam-Score: -2.5 (--) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-2.5 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [198.47.19.142 listed in list.dnswl.org] 0.0 RCVD_IN_MSPIKE_H3 RBL: Good reputation (+3) [198.47.19.142 listed in wl.mailspike.net] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.0 RCVD_IN_MSPIKE_WL Mailspike good senders -0.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-leds@vger.kernel.org, Dan Murphy Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Introduce the bindings for the Texas Instruments LP5036, LP5030, LP5024, LP5018, LP5012 and LP5009 RGB LED device driver. The LP5036/30/24/18/12/9 can control RGB LEDs individually or as part of a control bank group. These devices have the ability to adjust the mixing control for the RGB LEDs to obtain different colors independent of the overall brightness of the LED grouping. Datasheet: http://www.ti.com/lit/ds/symlink/lp5012.pdf http://www.ti.com/lit/ds/symlink/lp5024.pdf http://www.ti.com/lit/ds/symlink/lp5036.pdf Reviewed-by: Rob Herring Acked-by: Jacek Anaszewski Acked-by: Pavel Machek Signed-off-by: Dan Murphy --- .../devicetree/bindings/leds/leds-lp50xx.yaml | 130 ++++++++++++++++++ 1 file changed, 130 insertions(+) create mode 100644 Documentation/devicetree/bindings/leds/leds-lp50xx.yaml diff --git a/Documentation/devicetree/bindings/leds/leds-lp50xx.yaml b/Documentation/devicetree/bindings/leds/leds-lp50xx.yaml new file mode 100644 index 000000000000..947542a253ec --- /dev/null +++ b/Documentation/devicetree/bindings/leds/leds-lp50xx.yaml @@ -0,0 +1,130 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/leds/leds-lp50xx.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: LED driver for LP50XX RGB LED from Texas Instruments. + +maintainers: + - Dan Murphy + +description: | + The LP50XX is multi-channel, I2C RGB LED Drivers that can group RGB LEDs into + a LED group or control them individually. + + The difference in these RGB LED drivers is the number of supported RGB + modules. + + For more product information please see the link below: + https://www.ti.com/lit/ds/symlink/lp5012.pdf + https://www.ti.com/lit/ds/symlink/lp5024.pdf + https://www.ti.com/lit/ds/symlink/lp5036.pdf + +properties: + compatible: + enum: + - ti,lp5009 + - ti,lp5012 + - ti,lp5018 + - ti,lp5024 + - ti,lp5030 + - ti,lp5036 + + reg: + maxItems: 1 + description: + I2C slave address + lp5009/12 - 0x14, 0x15, 0x16, 0x17 + lp5018/24 - 0x28, 0x29, 0x2a, 0x2b + lp5030/36 - 0x30, 0x31, 0x32, 0x33 + + enable-gpios: + maxItems: 1 + description: GPIO pin to enable/disable the device. + + vled-supply: + description: LED supply. + +patternProperties: + '^multi-led@[0-9a-f]$': + type: object + allOf: + - $ref: leds-class-multicolor.yaml# + properties: + reg: + minItems: 1 + maxItems: 12 + description: + This property denotes the LED module number(s) that is used on the + for the child node. The LED modules can either be used stand alone + or grouped into a module bank. + + patternProperties: + "(^led-[0-9a-f]$|led)": + type: object + $ref: common.yaml# + +required: + - compatible + - reg + +examples: + - | + #include + #include + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + led-controller@14 { + compatible = "ti,lp5009"; + reg = <0x14>; + #address-cells = <1>; + #size-cells = <0>; + enable-gpios = <&gpio1 16>; + + multi-led@1 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0x1>; + color = ; + function = LED_FUNCTION_CHARGING; + + led-0 { + color = ; + }; + + led-1 { + color = ; + }; + + led-2 { + color = ; + }; + }; + + multi-led@2 { + #address-cells = <1>; + #size-cells = <2>; + reg = <0x2 0x3 0x5>; + color = ; + function = LED_FUNCTION_STANDBY; + + led-6 { + color = ; + }; + + led-7 { + color = ; + }; + + led-8 { + color = ; + }; + }; + }; + }; + +... From patchwork Wed Aug 12 19:50:16 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dan Murphy X-Patchwork-Id: 11711297 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 35BB3722 for ; Wed, 12 Aug 2020 19:52:24 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 0019620781 for ; Wed, 12 Aug 2020 19:52:23 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="P3m47Qax"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=ti.com header.i=@ti.com header.b="dVWMz+x/" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0019620781 Authentication-Results: mail.kernel.org; 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Wed, 12 Aug 2020 14:50:37 -0500 Received: from DFLE100.ent.ti.com (10.64.6.21) by DFLE114.ent.ti.com (10.64.6.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Wed, 12 Aug 2020 14:50:36 -0500 Received: from fllv0039.itg.ti.com (10.64.41.19) by DFLE100.ent.ti.com (10.64.6.21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3 via Frontend Transport; Wed, 12 Aug 2020 14:50:36 -0500 Received: from localhost (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0039.itg.ti.com (8.15.2/8.15.2) with ESMTP id 07CJoaUV109898; Wed, 12 Aug 2020 14:50:36 -0500 From: Dan Murphy To: , , , Subject: [PATCH v33 2/6] leds: lp50xx: Add the LP50XX family of the RGB LED driver Date: Wed, 12 Aug 2020 14:50:16 -0500 Message-ID: <20200812195020.13568-3-dmurphy@ti.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200812195020.13568-1-dmurphy@ti.com> References: <20200812195020.13568-1-dmurphy@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200812_155039_853886_F0C5A3B0 X-CRM114-Status: GOOD ( 24.69 ) X-Spam-Score: -2.5 (--) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-2.5 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [198.47.19.141 listed in list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-leds@vger.kernel.org, Dan Murphy Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Introduce the LP5036/30/24/18/12/9 RGB LED driver. The difference in these parts are the number of LED outputs where the: LP5036 can control 36 LEDs LP5030 can control 30 LEDs LP5024 can control 24 LEDs LP5018 can control 18 LEDs LP5012 can control 12 LEDs LP5009 can control 9 LEDs The device has the ability to group LED outputs into control banks so that multiple LED banks can be controlled with the same mixing and brightness. Or the LED outputs can also be controlled independently. Acked-by: Jacek Anaszewski Signed-off-by: Dan Murphy --- drivers/leds/Kconfig | 11 + drivers/leds/Makefile | 1 + drivers/leds/leds-lp50xx.c | 634 +++++++++++++++++++++++++++++++++++++ 3 files changed, 646 insertions(+) create mode 100644 drivers/leds/leds-lp50xx.c diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig index 1c181df24eae..00b488915945 100644 --- a/drivers/leds/Kconfig +++ b/drivers/leds/Kconfig @@ -395,6 +395,17 @@ config LEDS_LP3952 To compile this driver as a module, choose M here: the module will be called leds-lp3952. +config LEDS_LP50XX + tristate "LED Support for TI LP5036/30/24/18/12/9 LED driver chip" + depends on LEDS_CLASS && REGMAP_I2C + depends on LEDS_CLASS_MULTICOLOR || !LEDS_CLASS_MULTICOLOR + help + If you say yes here you get support for the Texas Instruments + LP5036, LP5030, LP5024, LP5018, LP5012 and LP5009 LED driver. + + To compile this driver as a module, choose M here: the + module will be called leds-lp50xx. + config LEDS_LP55XX_COMMON tristate "Common Driver for TI/National LP5521/5523/55231/5562/8501" depends on LEDS_CLASS_MULTICOLOR || !LEDS_CLASS_MULTICOLOR diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile index c2c7d7ade0d0..778cb4bb8c52 100644 --- a/drivers/leds/Makefile +++ b/drivers/leds/Makefile @@ -49,6 +49,7 @@ obj-$(CONFIG_LEDS_LM3697) += leds-lm3697.o obj-$(CONFIG_LEDS_LOCOMO) += leds-locomo.o obj-$(CONFIG_LEDS_LP3944) += leds-lp3944.o obj-$(CONFIG_LEDS_LP3952) += leds-lp3952.o +obj-$(CONFIG_LEDS_LP50XX) += leds-lp50xx.o obj-$(CONFIG_LEDS_LP5521) += leds-lp5521.o obj-$(CONFIG_LEDS_LP5523) += leds-lp5523.o obj-$(CONFIG_LEDS_LP5562) += leds-lp5562.o diff --git a/drivers/leds/leds-lp50xx.c b/drivers/leds/leds-lp50xx.c new file mode 100644 index 000000000000..47144a37cb94 --- /dev/null +++ b/drivers/leds/leds-lp50xx.c @@ -0,0 +1,634 @@ +// SPDX-License-Identifier: GPL-2.0 +// TI LP50XX LED chip family driver +// Copyright (C) 2018-20 Texas Instruments Incorporated - https://www.ti.com/ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +#include "leds.h" + +#define LP50XX_DEV_CFG0 0x00 +#define LP50XX_DEV_CFG1 0x01 +#define LP50XX_LED_CFG0 0x02 + +/* LP5009 and LP5012 registers */ +#define LP5012_BNK_BRT 0x03 +#define LP5012_BNKA_CLR 0x04 +#define LP5012_BNKB_CLR 0x05 +#define LP5012_BNKC_CLR 0x06 +#define LP5012_LED0_BRT 0x07 +#define LP5012_OUT0_CLR 0x0b +#define LP5012_RESET 0x17 + +/* LP5018 and LP5024 registers */ +#define LP5024_BNK_BRT 0x03 +#define LP5024_BNKA_CLR 0x04 +#define LP5024_BNKB_CLR 0x05 +#define LP5024_BNKC_CLR 0x06 +#define LP5024_LED0_BRT 0x07 +#define LP5024_OUT0_CLR 0x0f +#define LP5024_RESET 0x27 + +/* LP5030 and LP5036 registers */ +#define LP5036_LED_CFG1 0x03 +#define LP5036_BNK_BRT 0x04 +#define LP5036_BNKA_CLR 0x05 +#define LP5036_BNKB_CLR 0x06 +#define LP5036_BNKC_CLR 0x07 +#define LP5036_LED0_BRT 0x08 +#define LP5036_OUT0_CLR 0x14 +#define LP5036_RESET 0x38 + +#define LP50XX_SW_RESET 0xff +#define LP50XX_CHIP_EN BIT(6) + +/* There are 3 LED outputs per bank */ +#define LP50XX_LEDS_PER_MODULE 3 + +#define LP5009_MAX_LED_MODULES 2 +#define LP5012_MAX_LED_MODULES 4 +#define LP5018_MAX_LED_MODULES 6 +#define LP5024_MAX_LED_MODULES 8 +#define LP5030_MAX_LED_MODULES 10 +#define LP5036_MAX_LED_MODULES 12 + +static const struct reg_default lp5012_reg_defs[] = { + {LP50XX_DEV_CFG0, 0x0}, + {LP50XX_DEV_CFG1, 0x3c}, + {LP50XX_LED_CFG0, 0x0}, + {LP5012_BNK_BRT, 0xff}, + {LP5012_BNKA_CLR, 0x0f}, + {LP5012_BNKB_CLR, 0x0f}, + {LP5012_BNKC_CLR, 0x0f}, + {LP5012_LED0_BRT, 0x0f}, + /* LEDX_BRT registers are all 0xff for defaults */ + {0x08, 0xff}, {0x09, 0xff}, {0x0a, 0xff}, + {LP5012_OUT0_CLR, 0x0f}, + /* OUTX_CLR registers are all 0x0 for defaults */ + {0x0c, 0x00}, {0x0d, 0x00}, {0x0e, 0x00}, {0x0f, 0x00}, {0x10, 0x00}, + {0x11, 0x00}, {0x12, 0x00}, {0x13, 0x00}, {0x14, 0x00}, {0x15, 0x00}, + {0x16, 0x00}, + {LP5012_RESET, 0x00} +}; + +static const struct reg_default lp5024_reg_defs[] = { + {LP50XX_DEV_CFG0, 0x0}, + {LP50XX_DEV_CFG1, 0x3c}, + {LP50XX_LED_CFG0, 0x0}, + {LP5024_BNK_BRT, 0xff}, + {LP5024_BNKA_CLR, 0x0f}, + {LP5024_BNKB_CLR, 0x0f}, + {LP5024_BNKC_CLR, 0x0f}, + {LP5024_LED0_BRT, 0x0f}, + /* LEDX_BRT registers are all 0xff for defaults */ + {0x08, 0xff}, {0x09, 0xff}, {0x0a, 0xff}, {0x0b, 0xff}, {0x0c, 0xff}, + {0x0d, 0xff}, {0x0e, 0xff}, + {LP5024_OUT0_CLR, 0x0f}, + /* OUTX_CLR registers are all 0x0 for defaults */ + {0x10, 0x00}, {0x11, 0x00}, {0x12, 0x00}, {0x13, 0x00}, {0x14, 0x00}, + {0x15, 0x00}, {0x16, 0x00}, {0x17, 0x00}, {0x18, 0x00}, {0x19, 0x00}, + {0x1a, 0x00}, {0x1b, 0x00}, {0x1c, 0x00}, {0x1d, 0x00}, {0x1e, 0x00}, + {0x1f, 0x00}, {0x20, 0x00}, {0x21, 0x00}, {0x22, 0x00}, {0x23, 0x00}, + {0x24, 0x00}, {0x25, 0x00}, {0x26, 0x00}, + {LP5024_RESET, 0x00} +}; + +static const struct reg_default lp5036_reg_defs[] = { + {LP50XX_DEV_CFG0, 0x0}, + {LP50XX_DEV_CFG1, 0x3c}, + {LP50XX_LED_CFG0, 0x0}, + {LP5036_LED_CFG1, 0x0}, + {LP5036_BNK_BRT, 0xff}, + {LP5036_BNKA_CLR, 0x0f}, + {LP5036_BNKB_CLR, 0x0f}, + {LP5036_BNKC_CLR, 0x0f}, + {LP5036_LED0_BRT, 0x0f}, + /* LEDX_BRT registers are all 0xff for defaults */ + {0x08, 0xff}, {0x09, 0xff}, {0x0a, 0xff}, {0x0b, 0xff}, {0x0c, 0xff}, + {0x0d, 0xff}, {0x0e, 0xff}, {0x0f, 0xff}, {0x10, 0xff}, {0x11, 0xff}, + {0x12, 0xff}, {0x13, 0xff}, + {LP5036_OUT0_CLR, 0x0f}, + /* OUTX_CLR registers are all 0x0 for defaults */ + {0x15, 0x00}, {0x16, 0x00}, {0x17, 0x00}, {0x18, 0x00}, {0x19, 0x00}, + {0x1a, 0x00}, {0x1b, 0x00}, {0x1c, 0x00}, {0x1d, 0x00}, {0x1e, 0x00}, + {0x1f, 0x00}, {0x20, 0x00}, {0x21, 0x00}, {0x22, 0x00}, {0x23, 0x00}, + {0x24, 0x00}, {0x25, 0x00}, {0x26, 0x00}, {0x27, 0x00}, {0x28, 0x00}, + {0x29, 0x00}, {0x2a, 0x00}, {0x2b, 0x00}, {0x2c, 0x00}, {0x2d, 0x00}, + {0x2e, 0x00}, {0x2f, 0x00}, {0x30, 0x00}, {0x31, 0x00}, {0x32, 0x00}, + {0x33, 0x00}, {0x34, 0x00}, {0x35, 0x00}, {0x36, 0x00}, {0x37, 0x00}, + {LP5036_RESET, 0x00} +}; + +static const struct regmap_config lp5012_regmap_config = { + .reg_bits = 8, + .val_bits = 8, + + .max_register = LP5012_RESET, + .reg_defaults = lp5012_reg_defs, + .num_reg_defaults = ARRAY_SIZE(lp5012_reg_defs), + .cache_type = REGCACHE_FLAT, +}; + +static const struct regmap_config lp5024_regmap_config = { + .reg_bits = 8, + .val_bits = 8, + + .max_register = LP5024_RESET, + .reg_defaults = lp5024_reg_defs, + .num_reg_defaults = ARRAY_SIZE(lp5024_reg_defs), + .cache_type = REGCACHE_FLAT, +}; + +static const struct regmap_config lp5036_regmap_config = { + .reg_bits = 8, + .val_bits = 8, + + .max_register = LP5036_RESET, + .reg_defaults = lp5036_reg_defs, + .num_reg_defaults = ARRAY_SIZE(lp5036_reg_defs), + .cache_type = REGCACHE_FLAT, +}; + +enum lp50xx_model { + LP5009, + LP5012, + LP5018, + LP5024, + LP5030, + LP5036, +}; + +/** + * struct lp50xx_chip_info - + * @lp50xx_regmap_config: regmap register configuration + * @model_id: LED device model + * @max_modules: total number of supported LED modules + * @num_leds: number of LED outputs available on the device + * @led_brightness0_reg: first brightness register of the device + * @mix_out0_reg: first color mix register of the device + * @bank_brt_reg: bank brightness register + * @bank_mix_reg: color mix register + * @reset_reg: device reset register + */ +struct lp50xx_chip_info { + const struct regmap_config *lp50xx_regmap_config; + int model_id; + u8 max_modules; + u8 num_leds; + u8 led_brightness0_reg; + u8 mix_out0_reg; + u8 bank_brt_reg; + u8 bank_mix_reg; + u8 reset_reg; +}; + +static const struct lp50xx_chip_info lp50xx_chip_info_tbl[] = { + [LP5009] = { + .model_id = LP5009, + .max_modules = LP5009_MAX_LED_MODULES, + .num_leds = LP5009_MAX_LED_MODULES * LP50XX_LEDS_PER_MODULE, + .led_brightness0_reg = LP5012_LED0_BRT, + .mix_out0_reg = LP5012_OUT0_CLR, + .bank_brt_reg = LP5012_BNK_BRT, + .bank_mix_reg = LP5012_BNKA_CLR, + .reset_reg = LP5012_RESET, + .lp50xx_regmap_config = &lp5012_regmap_config, + }, + [LP5012] = { + .model_id = LP5012, + .max_modules = LP5012_MAX_LED_MODULES, + .num_leds = LP5012_MAX_LED_MODULES * LP50XX_LEDS_PER_MODULE, + .led_brightness0_reg = LP5012_LED0_BRT, + .mix_out0_reg = LP5012_OUT0_CLR, + .bank_brt_reg = LP5012_BNK_BRT, + .bank_mix_reg = LP5012_BNKA_CLR, + .reset_reg = LP5012_RESET, + .lp50xx_regmap_config = &lp5012_regmap_config, + }, + [LP5018] = { + .model_id = LP5018, + .max_modules = LP5018_MAX_LED_MODULES, + .num_leds = LP5018_MAX_LED_MODULES * LP50XX_LEDS_PER_MODULE, + .led_brightness0_reg = LP5024_LED0_BRT, + .mix_out0_reg = LP5024_OUT0_CLR, + .bank_brt_reg = LP5024_BNK_BRT, + .bank_mix_reg = LP5024_BNKA_CLR, + .reset_reg = LP5024_RESET, + .lp50xx_regmap_config = &lp5024_regmap_config, + }, + [LP5024] = { + .model_id = LP5024, + .max_modules = LP5024_MAX_LED_MODULES, + .num_leds = LP5024_MAX_LED_MODULES * LP50XX_LEDS_PER_MODULE, + .led_brightness0_reg = LP5024_LED0_BRT, + .mix_out0_reg = LP5024_OUT0_CLR, + .bank_brt_reg = LP5024_BNK_BRT, + .bank_mix_reg = LP5024_BNKA_CLR, + .reset_reg = LP5024_RESET, + .lp50xx_regmap_config = &lp5024_regmap_config, + }, + [LP5030] = { + .model_id = LP5030, + .max_modules = LP5030_MAX_LED_MODULES, + .num_leds = LP5030_MAX_LED_MODULES * LP50XX_LEDS_PER_MODULE, + .led_brightness0_reg = LP5036_LED0_BRT, + .mix_out0_reg = LP5036_OUT0_CLR, + .bank_brt_reg = LP5036_BNK_BRT, + .bank_mix_reg = LP5036_BNKA_CLR, + .reset_reg = LP5036_RESET, + .lp50xx_regmap_config = &lp5036_regmap_config, + }, + [LP5036] = { + .model_id = LP5036, + .max_modules = LP5036_MAX_LED_MODULES, + .num_leds = LP5036_MAX_LED_MODULES * LP50XX_LEDS_PER_MODULE, + .led_brightness0_reg = LP5036_LED0_BRT, + .mix_out0_reg = LP5036_OUT0_CLR, + .bank_brt_reg = LP5036_BNK_BRT, + .bank_mix_reg = LP5036_BNKA_CLR, + .reset_reg = LP5036_RESET, + .lp50xx_regmap_config = &lp5036_regmap_config, + }, +}; + +struct lp50xx_led { + struct led_classdev_mc mc_cdev; + struct lp50xx *priv; + unsigned long bank_modules; + int led_intensity[LP50XX_LEDS_PER_MODULE]; + u8 ctrl_bank_enabled; + int led_number; +}; + +/** + * struct lp50xx - + * @enable_gpio: hardware enable gpio + * @regulator: LED supply regulator pointer + * @client: pointer to the I2C client + * @regmap: device register map + * @dev: pointer to the devices device struct + * @lock: lock for reading/writing the device + * @chip_info: chip specific information (ie num_leds) + * @num_of_banked_leds: holds the number of banked LEDs + * @leds: array of LED strings + */ +struct lp50xx { + struct gpio_desc *enable_gpio; + struct regulator *regulator; + struct i2c_client *client; + struct regmap *regmap; + struct device *dev; + struct mutex lock; + const struct lp50xx_chip_info *chip_info; + int num_of_banked_leds; + + /* This needs to be at the end of the struct */ + struct lp50xx_led leds[]; +}; + +static struct lp50xx_led *mcled_cdev_to_led(struct led_classdev_mc *mc_cdev) +{ + return container_of(mc_cdev, struct lp50xx_led, mc_cdev); +} + +static int lp50xx_brightness_set(struct led_classdev *cdev, + enum led_brightness brightness) +{ + struct led_classdev_mc *mc_dev = lcdev_to_mccdev(cdev); + struct lp50xx_led *led = mcled_cdev_to_led(mc_dev); + const struct lp50xx_chip_info *led_chip = led->priv->chip_info; + u8 led_offset, reg_val; + int ret = 0; + int i; + + mutex_lock(&led->priv->lock); + if (led->ctrl_bank_enabled) + reg_val = led_chip->bank_brt_reg; + else + reg_val = led_chip->led_brightness0_reg + + led->led_number; + + ret = regmap_write(led->priv->regmap, reg_val, brightness); + if (ret) { + dev_err(&led->priv->client->dev, + "Cannot write brightness value %d\n", ret); + goto out; + } + + for (i = 0; i < led->mc_cdev.num_colors; i++) { + if (led->ctrl_bank_enabled) { + reg_val = led_chip->bank_mix_reg + i; + } else { + led_offset = (led->led_number * 3) + i; + reg_val = led_chip->mix_out0_reg + led_offset; + } + + ret = regmap_write(led->priv->regmap, reg_val, + mc_dev->subled_info[i].intensity); + if (ret) { + dev_err(&led->priv->client->dev, + "Cannot write intensity value %d\n", ret); + goto out; + } + } +out: + mutex_unlock(&led->priv->lock); + return ret; +} + +static int lp50xx_set_banks(struct lp50xx *priv, u32 led_banks[]) +{ + u8 led_config_lo, led_config_hi; + u32 bank_enable_mask = 0; + int ret; + int i; + + for (i = 0; i < priv->chip_info->max_modules; i++) { + if (led_banks[i]) + bank_enable_mask |= (1 << led_banks[i]); + } + + led_config_lo = (u8)(bank_enable_mask & 0xff); + led_config_hi = (u8)(bank_enable_mask >> 8) & 0xff; + + ret = regmap_write(priv->regmap, LP50XX_LED_CFG0, led_config_lo); + if (ret) + return ret; + + if (priv->chip_info->model_id >= LP5030) + ret = regmap_write(priv->regmap, LP5036_LED_CFG1, led_config_hi); + + return ret; +} + +static int lp50xx_reset(struct lp50xx *priv) +{ + return regmap_write(priv->regmap, priv->chip_info->reset_reg, LP50XX_SW_RESET); +} + +static int lp50xx_enable_disable(struct lp50xx *priv, int enable_disable) +{ + int ret; + + if (priv->enable_gpio) { + ret = gpiod_direction_output(priv->enable_gpio, enable_disable); + if (ret) + return ret; + } + + if (enable_disable) + return regmap_write(priv->regmap, LP50XX_DEV_CFG0, LP50XX_CHIP_EN); + else + return regmap_write(priv->regmap, LP50XX_DEV_CFG0, 0); + +} + +static int lp50xx_probe_leds(struct fwnode_handle *child, struct lp50xx *priv, + struct lp50xx_led *led, int num_leds) +{ + u32 led_banks[LP5036_MAX_LED_MODULES] = {0}; + int led_number; + int ret; + + if (num_leds > 1) { + if (num_leds > priv->chip_info->max_modules) { + dev_err(&priv->client->dev, "reg property is invalid\n"); + return -EINVAL; + } + + priv->num_of_banked_leds = num_leds; + + ret = fwnode_property_read_u32_array(child, "reg", led_banks, num_leds); + if (ret) { + dev_err(&priv->client->dev, "reg property is missing\n"); + return ret; + } + + ret = lp50xx_set_banks(priv, led_banks); + if (ret) { + dev_err(&priv->client->dev, "Cannot setup banked LEDs\n"); + return ret; + } + + led->ctrl_bank_enabled = 1; + } else { + ret = fwnode_property_read_u32(child, "reg", &led_number); + if (ret) { + dev_err(&priv->client->dev, "led reg property missing\n"); + return ret; + } + + if (led_number > priv->chip_info->num_leds) { + dev_err(&priv->client->dev, "led-sources property is invalid\n"); + return -EINVAL; + } + + led->led_number = led_number; + } + + return 0; +} + +static int lp50xx_probe_dt(struct lp50xx *priv) +{ + struct fwnode_handle *child = NULL; + struct fwnode_handle *led_node = NULL; + struct led_init_data init_data = {}; + struct led_classdev *led_cdev; + struct mc_subled *mc_led_info; + struct lp50xx_led *led; + int ret = -EINVAL; + int num_colors; + u32 color_id; + int i = 0; + + priv->enable_gpio = devm_gpiod_get_optional(priv->dev, "enable", GPIOD_OUT_LOW); + if (IS_ERR(priv->enable_gpio)) { + ret = PTR_ERR(priv->enable_gpio); + dev_err(&priv->client->dev, "Failed to get enable gpio: %d\n", + ret); + return ret; + } + + priv->regulator = devm_regulator_get(priv->dev, "vled"); + if (IS_ERR(priv->regulator)) + priv->regulator = NULL; + + device_for_each_child_node(priv->dev, child) { + led = &priv->leds[i]; + ret = fwnode_property_count_u32(child, "reg"); + if (ret < 0) { + dev_err(&priv->client->dev, "reg property is invalid\n"); + goto child_out; + } + + ret = lp50xx_probe_leds(child, priv, led, ret); + if (ret) + goto child_out; + + init_data.fwnode = child; + num_colors = 0; + + /* + * There are only 3 LEDs per module otherwise they should be + * banked which also is presented as 3 LEDs. + */ + mc_led_info = devm_kcalloc(priv->dev, LP50XX_LEDS_PER_MODULE, + sizeof(*mc_led_info), GFP_KERNEL); + if (!mc_led_info) + return -ENOMEM; + + fwnode_for_each_child_node(child, led_node) { + ret = fwnode_property_read_u32(led_node, "color", + &color_id); + if (ret) { + dev_err(priv->dev, "Cannot read color\n"); + goto child_out; + } + + mc_led_info[num_colors].color_index = color_id; + num_colors++; + } + + led->priv = priv; + led->mc_cdev.num_colors = num_colors; + led->mc_cdev.subled_info = mc_led_info; + led_cdev = &led->mc_cdev.led_cdev; + led_cdev->brightness_set_blocking = lp50xx_brightness_set; + + fwnode_property_read_string(child, "linux,default-trigger", + &led_cdev->default_trigger); + + ret = devm_led_classdev_multicolor_register_ext(&priv->client->dev, + &led->mc_cdev, + &init_data); + if (ret) { + dev_err(&priv->client->dev, "led register err: %d\n", + ret); + goto child_out; + } + i++; + fwnode_handle_put(child); + } + + return 0; + +child_out: + fwnode_handle_put(child); + return ret; +} + +static int lp50xx_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct lp50xx *led; + int count; + int ret; + + count = device_get_child_node_count(&client->dev); + if (!count) { + dev_err(&client->dev, "LEDs are not defined in device tree!"); + return -ENODEV; + } + + led = devm_kzalloc(&client->dev, struct_size(led, leds, count), + GFP_KERNEL); + if (!led) + return -ENOMEM; + + mutex_init(&led->lock); + led->client = client; + led->dev = &client->dev; + led->chip_info = &lp50xx_chip_info_tbl[id->driver_data]; + i2c_set_clientdata(client, led); + led->regmap = devm_regmap_init_i2c(client, + led->chip_info->lp50xx_regmap_config); + if (IS_ERR(led->regmap)) { + ret = PTR_ERR(led->regmap); + dev_err(&client->dev, "Failed to allocate register map: %d\n", + ret); + return ret; + } + + ret = lp50xx_reset(led); + if (ret) + return ret; + + ret = lp50xx_enable_disable(led, 1); + if (ret) + return ret; + + return lp50xx_probe_dt(led); +} + +static int lp50xx_remove(struct i2c_client *client) +{ + struct lp50xx *led = i2c_get_clientdata(client); + int ret; + + ret = lp50xx_enable_disable(led, 0); + if (ret) { + dev_err(&led->client->dev, "Failed to disable chip\n"); + return ret; + } + + if (led->regulator) { + ret = regulator_disable(led->regulator); + if (ret) + dev_err(&led->client->dev, + "Failed to disable regulator\n"); + } + + mutex_destroy(&led->lock); + + return 0; +} + +static const struct i2c_device_id lp50xx_id[] = { + { "lp5009", LP5009 }, + { "lp5012", LP5012 }, + { "lp5018", LP5018 }, + { "lp5024", LP5024 }, + { "lp5030", LP5030 }, + { "lp5036", LP5036 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, lp50xx_id); + +static const struct of_device_id of_lp50xx_leds_match[] = { + { .compatible = "ti,lp5009", .data = (void *)LP5009 }, + { .compatible = "ti,lp5012", .data = (void *)LP5012 }, + { .compatible = "ti,lp5018", .data = (void *)LP5018 }, + { .compatible = "ti,lp5024", .data = (void *)LP5024 }, + { .compatible = "ti,lp5030", .data = (void *)LP5030 }, + { .compatible = "ti,lp5036", .data = (void *)LP5036 }, + {}, +}; +MODULE_DEVICE_TABLE(of, of_lp50xx_leds_match); + +static struct i2c_driver lp50xx_driver = { + .driver = { + .name = "lp50xx", + .of_match_table = of_lp50xx_leds_match, + }, + .probe = lp50xx_probe, + .remove = lp50xx_remove, + .id_table = lp50xx_id, +}; +module_i2c_driver(lp50xx_driver); + +MODULE_DESCRIPTION("Texas Instruments LP50XX LED driver"); +MODULE_AUTHOR("Dan Murphy "); +MODULE_LICENSE("GPL v2"); From patchwork Wed Aug 12 19:50:17 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dan Murphy X-Patchwork-Id: 11711289 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 3AD42722 for ; Wed, 12 Aug 2020 19:52:11 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 1415720781 for ; 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Wed, 12 Aug 2020 14:50:36 -0500 From: Dan Murphy To: , , , Subject: [PATCH v33 3/6] ARM: defconfig: u8500: Add LP55XX_COMMON config flag Date: Wed, 12 Aug 2020 14:50:17 -0500 Message-ID: <20200812195020.13568-4-dmurphy@ti.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200812195020.13568-1-dmurphy@ti.com> References: <20200812195020.13568-1-dmurphy@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200812_155039_120160_33A2AC2C X-CRM114-Status: GOOD ( 12.14 ) X-Spam-Score: -2.5 (--) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-2.5 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [198.47.23.249 listed in list.dnswl.org] 0.0 RCVD_IN_MSPIKE_H4 RBL: Very Good reputation (+4) [198.47.23.249 listed in wl.mailspike.net] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.0 RCVD_IN_MSPIKE_WL Mailspike good senders -0.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Linus Walleij , linux-kernel@vger.kernel.org, linux-leds@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Dan Murphy Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org The dependencies for the LP55XX LED drivers have been updated so that the child devices (i.e. LP5521) now depends on the LP55XX_COMMON config flag as opposed to the device selecting the LP55XX_COMMON flag. The LP55XX_COMMON needs to be set in the defconfig. Acked-by: Linus Walleij Signed-off-by: Dan Murphy --- arch/arm/configs/u8500_defconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/configs/u8500_defconfig b/arch/arm/configs/u8500_defconfig index 28dd7cf56048..dea599e1c17e 100644 --- a/arch/arm/configs/u8500_defconfig +++ b/arch/arm/configs/u8500_defconfig @@ -113,6 +113,7 @@ CONFIG_NEW_LEDS=y CONFIG_LEDS_CLASS=y CONFIG_LEDS_LM3530=y CONFIG_LEDS_GPIO=y +CONFIG_LEDS_LP55XX_COMMON=y CONFIG_LEDS_LP5521=y CONFIG_LEDS_TRIGGER_HEARTBEAT=y CONFIG_RTC_CLASS=y From patchwork Wed Aug 12 19:50:18 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Dan Murphy X-Patchwork-Id: 11711293 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id DE56613B1 for ; Wed, 12 Aug 2020 19:52:14 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id B75FF20781 for ; 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Wed, 12 Aug 2020 14:50:42 -0500 From: Dan Murphy To: , , , Subject: [PATCH v33 4/6] ARM: dts: n900: Add reg property to the LP5523 channel node Date: Wed, 12 Aug 2020 14:50:18 -0500 Message-ID: <20200812195020.13568-5-dmurphy@ti.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200812195020.13568-1-dmurphy@ti.com> References: <20200812195020.13568-1-dmurphy@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200812_155046_240199_08EE1EB6 X-CRM114-Status: GOOD ( 14.14 ) X-Spam-Score: -2.5 (--) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-2.5 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [198.47.19.141 listed in list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Tony Lindgren , linux-kernel@vger.kernel.org, linux-leds@vger.kernel.org, =?utf-8?q?Beno?= =?utf-8?q?=C3=AEt_Cousson?= , linux-arm-kernel@lists.infradead.org, Dan Murphy Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Add the reg property to each channel node. This update is to accommodate the multicolor framework. In addition to the accommodation this allows the LEDs to be placed on any channel and allow designs to skip channels as opposed to requiring sequential order. Signed-off-by: Dan Murphy Acked-by: Tony Lindgren CC: Tony Lindgren CC: "Benoît Cousson" Acked-by: Pavel Machek --- arch/arm/boot/dts/omap3-n900.dts | 29 ++++++++++++++++++++--------- 1 file changed, 20 insertions(+), 9 deletions(-) diff --git a/arch/arm/boot/dts/omap3-n900.dts b/arch/arm/boot/dts/omap3-n900.dts index 4089d97405c9..ebe93b06b4f7 100644 --- a/arch/arm/boot/dts/omap3-n900.dts +++ b/arch/arm/boot/dts/omap3-n900.dts @@ -618,63 +618,74 @@ indicator { }; lp5523: lp5523@32 { + #address-cells = <1>; + #size-cells = <0>; compatible = "national,lp5523"; reg = <0x32>; clock-mode = /bits/ 8 <0>; /* LP55XX_CLOCK_AUTO */ enable-gpio = <&gpio2 9 GPIO_ACTIVE_HIGH>; /* 41 */ - chan0 { + chan@0 { chan-name = "lp5523:kb1"; led-cur = /bits/ 8 <50>; max-cur = /bits/ 8 <100>; + reg = <0>; }; - chan1 { + chan@1 { chan-name = "lp5523:kb2"; led-cur = /bits/ 8 <50>; max-cur = /bits/ 8 <100>; + reg = <1>; }; - chan2 { + chan@2 { chan-name = "lp5523:kb3"; led-cur = /bits/ 8 <50>; max-cur = /bits/ 8 <100>; + reg = <2>; }; - chan3 { + chan@3 { chan-name = "lp5523:kb4"; led-cur = /bits/ 8 <50>; max-cur = /bits/ 8 <100>; + reg = <3>; }; - chan4 { + chan@4 { chan-name = "lp5523:b"; led-cur = /bits/ 8 <50>; max-cur = /bits/ 8 <100>; + reg = <4>; }; - chan5 { + chan@5 { chan-name = "lp5523:g"; led-cur = /bits/ 8 <50>; max-cur = /bits/ 8 <100>; + reg = <5>; }; - chan6 { + chan@6 { chan-name = "lp5523:r"; led-cur = /bits/ 8 <50>; max-cur = /bits/ 8 <100>; + reg = <6>; }; - chan7 { + chan@7 { chan-name = "lp5523:kb5"; led-cur = /bits/ 8 <50>; max-cur = /bits/ 8 <100>; + reg = <7>; }; - chan8 { + chan@8 { chan-name = "lp5523:kb6"; led-cur = /bits/ 8 <50>; max-cur = /bits/ 8 <100>; + reg = <8>; }; }; From patchwork Wed Aug 12 19:50:19 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dan Murphy X-Patchwork-Id: 11711299 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E09AC13B1 for ; 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Wed, 12 Aug 2020 14:50:47 -0500 From: Dan Murphy To: , , , Subject: [PATCH v33 5/6] ARM: dts: imx6dl-yapp4: Add reg property to the lp5562 channel node Date: Wed, 12 Aug 2020 14:50:19 -0500 Message-ID: <20200812195020.13568-6-dmurphy@ti.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200812195020.13568-1-dmurphy@ti.com> References: <20200812195020.13568-1-dmurphy@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200812_155050_150558_7119535D X-CRM114-Status: GOOD ( 13.15 ) X-Spam-Score: -2.5 (--) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-2.5 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [198.47.23.248 listed in list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Fabio Estevam , Sascha Hauer , linux-kernel@vger.kernel.org, linux-leds@vger.kernel.org, Pengutronix Kernel Team , NXP Linux Team , Shawn Guo , linux-arm-kernel@lists.infradead.org, Dan Murphy Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Add the reg property to each channel node. This update is to accommodate the multicolor framework. In addition to the accommodation this allows the LEDs to be placed on any channel and allow designs to skip channels as opposed to requiring sequential order. Acked-by: Pavel Machek Signed-off-by: Dan Murphy CC: Shawn Guo CC: Sascha Hauer CC: Pengutronix Kernel Team CC: Fabio Estevam CC: NXP Linux Team --- arch/arm/boot/dts/imx6dl-yapp4-common.dtsi | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) diff --git a/arch/arm/boot/dts/imx6dl-yapp4-common.dtsi b/arch/arm/boot/dts/imx6dl-yapp4-common.dtsi index 2b9423d55c37..77aa90640052 100644 --- a/arch/arm/boot/dts/imx6dl-yapp4-common.dtsi +++ b/arch/arm/boot/dts/imx6dl-yapp4-common.dtsi @@ -258,29 +258,35 @@ leds: led-controller@30 { reg = <0x30>; clock-mode = /bits/ 8 <1>; status = "disabled"; + #address-cells = <1>; + #size-cells = <0>; - chan0 { + chan@0 { chan-name = "R"; led-cur = /bits/ 8 <0x20>; max-cur = /bits/ 8 <0x60>; + reg = <0>; }; - chan1 { + chan@1 { chan-name = "G"; led-cur = /bits/ 8 <0x20>; max-cur = /bits/ 8 <0x60>; + reg = <1>; }; - chan2 { + chan@2 { chan-name = "B"; led-cur = /bits/ 8 <0x20>; max-cur = /bits/ 8 <0x60>; + reg = <2>; }; - chan3 { + chan@3 { chan-name = "W"; led-cur = /bits/ 8 <0x0>; max-cur = /bits/ 8 <0x0>; + reg = <3>; }; }; From patchwork Wed Aug 12 19:50:20 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dan Murphy X-Patchwork-Id: 11711295 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 53D48722 for ; Wed, 12 Aug 2020 19:52:22 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 2AF8A20781 for ; Wed, 12 Aug 2020 19:52:22 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="neg9hrJn"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=ti.com header.i=@ti.com header.b="Yy0O/4F0" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2AF8A20781 Authentication-Results: mail.kernel.org; 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Wed, 12 Aug 2020 14:50:52 -0500 Received: from DLEE115.ent.ti.com (157.170.170.26) by DLEE113.ent.ti.com (157.170.170.24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Wed, 12 Aug 2020 14:50:52 -0500 Received: from fllv0039.itg.ti.com (10.64.41.19) by DLEE115.ent.ti.com (157.170.170.26) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3 via Frontend Transport; Wed, 12 Aug 2020 14:50:52 -0500 Received: from localhost (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0039.itg.ti.com (8.15.2/8.15.2) with ESMTP id 07CJoqJB110063; Wed, 12 Aug 2020 14:50:52 -0500 From: Dan Murphy To: , , , Subject: [PATCH v33 6/6] ARM: dts: ste-href: Add reg property to the LP5521 channel nodes Date: Wed, 12 Aug 2020 14:50:20 -0500 Message-ID: <20200812195020.13568-7-dmurphy@ti.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200812195020.13568-1-dmurphy@ti.com> References: <20200812195020.13568-1-dmurphy@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200812_155055_568049_33DB298F X-CRM114-Status: GOOD ( 13.05 ) X-Spam-Score: -2.5 (--) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-2.5 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [198.47.19.141 listed in list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Linus Walleij , linux-kernel@vger.kernel.org, linux-leds@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Dan Murphy Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Add the reg property to each channel node. This update is to accommodate the multicolor framework. In addition to the accommodation this allows the LEDs to be placed on any channel and allow designs to skip channels as opposed to requiring sequential order. Signed-off-by: Dan Murphy CC: Linus Walleij Acked-by: Pavel Machek Acked-by: Linus Walleij --- arch/arm/boot/dts/ste-href.dtsi | 22 ++++++++++++++++------ 1 file changed, 16 insertions(+), 6 deletions(-) diff --git a/arch/arm/boot/dts/ste-href.dtsi b/arch/arm/boot/dts/ste-href.dtsi index 33e3b0b3c53d..ff47cbf6ed3b 100644 --- a/arch/arm/boot/dts/ste-href.dtsi +++ b/arch/arm/boot/dts/ste-href.dtsi @@ -58,16 +58,21 @@ lp5521@33 { reg = <0x33>; label = "lp5521_pri"; clock-mode = /bits/ 8 <2>; - chan0 { + #address-cells = <1>; + #size-cells = <0>; + chan@0 { + reg = <0>; led-cur = /bits/ 8 <0x2f>; max-cur = /bits/ 8 <0x5f>; linux,default-trigger = "heartbeat"; }; - chan1 { + chan@1 { + reg = <1>; led-cur = /bits/ 8 <0x2f>; max-cur = /bits/ 8 <0x5f>; }; - chan2 { + chan@2 { + reg = <2>; led-cur = /bits/ 8 <0x2f>; max-cur = /bits/ 8 <0x5f>; }; @@ -77,15 +82,20 @@ lp5521@34 { reg = <0x34>; label = "lp5521_sec"; clock-mode = /bits/ 8 <2>; - chan0 { + #address-cells = <1>; + #size-cells = <0>; + chan@0 { + reg = <0>; led-cur = /bits/ 8 <0x2f>; max-cur = /bits/ 8 <0x5f>; }; - chan1 { + chan@1 { + reg = <1>; led-cur = /bits/ 8 <0x2f>; max-cur = /bits/ 8 <0x5f>; }; - chan2 { + chan@2 { + reg = <2>; led-cur = /bits/ 8 <0x2f>; max-cur = /bits/ 8 <0x5f>; };