From patchwork Thu Jun 1 11:08:06 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: AngeloGioacchino Del Regno X-Patchwork-Id: 688047 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 33AFFC77B7A for ; Thu, 1 Jun 2023 11:08:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232608AbjFALIY (ORCPT ); Thu, 1 Jun 2023 07:08:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57420 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232582AbjFALIW (ORCPT ); Thu, 1 Jun 2023 07:08:22 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0BDF211F; Thu, 1 Jun 2023 04:08:21 -0700 (PDT) Received: from IcarusMOD.eternityproject.eu (unknown [IPv6:2001:b07:2ed:14ed:a962:cd4d:a84:1eab]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by madras.collabora.co.uk (Postfix) with ESMTPSA id EB0E06606EC5; Thu, 1 Jun 2023 12:08:18 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1685617699; bh=ScQ7kKihgBtg3AcCk3l1ETxEXGYmfLUNT184j6M9Ju0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=cmAGKNR1IT+lhZThpHLX0MdSf5TkGukrcV/RrUFoWp1RxYuCOmTKKL46NhrI4jots 9cp5/of+xDG2g3qv+VInqNBm7WSfakKs++Dbp85ma4L2D7HWvzaGrh08vB4l2RLkw8 fkFL5Zb0wvJFg+qjPd23JaHe5vhVMLad0Rhn7Sdcb8kTo6lFQ1IYXZFH4JVjbgUxto 1AfxZIOjlS8ke2/XMftDSKeP3nMTxxHQY5IZti5eIzTStrsERScobtpQ3bxu0rjLL1 VEZvdI1xPOR+uoiOb6Nl4T0lUHTCVDAImz0zxAYLU2Q8l05JZq47v4AnsbpNtcVpXZ TIkCUj3SjKziA== From: AngeloGioacchino Del Regno To: pavel@ucw.cz Cc: lee@kernel.org, sean.wang@mediatek.com, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, matthias.bgg@gmail.com, linux-leds@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, kernel@collabora.com, AngeloGioacchino Del Regno , Krzysztof Kozlowski , Alexandre Mergnat Subject: [PATCH v3 1/8] dt-bindings: leds: leds-mt6323: Document mt6331 compatible Date: Thu, 1 Jun 2023 13:08:06 +0200 Message-Id: <20230601110813.2373764-2-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230601110813.2373764-1-angelogioacchino.delregno@collabora.com> References: <20230601110813.2373764-1-angelogioacchino.delregno@collabora.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-leds@vger.kernel.org Add mediatek,mt6331-led compatible for the LED controller found in the MT6331 PMIC. Signed-off-by: AngeloGioacchino Del Regno Acked-by: Krzysztof Kozlowski Reviewed-by: Alexandre Mergnat --- Documentation/devicetree/bindings/leds/leds-mt6323.txt | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/leds/leds-mt6323.txt b/Documentation/devicetree/bindings/leds/leds-mt6323.txt index 73353692efa1..7dc63af41562 100644 --- a/Documentation/devicetree/bindings/leds/leds-mt6323.txt +++ b/Documentation/devicetree/bindings/leds/leds-mt6323.txt @@ -12,7 +12,9 @@ For MediaTek PMIC wrapper bindings see: Documentation/devicetree/bindings/soc/mediatek/mediatek,pwrap.yaml Required properties: -- compatible : Must be "mediatek,mt6323-led" +- compatible : Must be one of + - "mediatek,mt6323-led" + - "mediatek,mt6331-led" - address-cells : Must be 1 - size-cells : Must be 0 From patchwork Thu Jun 1 11:08:07 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: AngeloGioacchino Del Regno X-Patchwork-Id: 688615 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 76673C7EE2F for ; Thu, 1 Jun 2023 11:08:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232691AbjFALIZ (ORCPT ); Thu, 1 Jun 2023 07:08:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57430 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231979AbjFALIX (ORCPT ); Thu, 1 Jun 2023 07:08:23 -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 7F419129; Thu, 1 Jun 2023 04:08:22 -0700 (PDT) Received: from IcarusMOD.eternityproject.eu (unknown [IPv6:2001:b07:2ed:14ed:a962:cd4d:a84:1eab]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by madras.collabora.co.uk (Postfix) with ESMTPSA id E8BBA6606EC6; Thu, 1 Jun 2023 12:08:19 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1685617700; bh=nQ0MVqFfgCHhWG42gWfQJ98uBqo9DXUvooDjVe+kw74=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=es2RIr04MQGlehj8/qes9XlFsnSt1kn/mhZfx6W8aZjemF5KMuDoqVefpiEjSCx9J 7DoUHG9rAApWC4fBzCEZnaOfbuSe9HBMZIn8zj4tnhcRy3E7HcZxDx740I5jdT0Vd7 U6ikFPhHA0PrAzKoolJqYUtQJRhApi3sPOL5jwrArXzBfOqvKP7JYdmiejL/E5gtBe jzXSArXh3bL4s3/nwjvG1CBxrxPpPBzyAyn+kfGxL6k73MaippcFhawuO5msPLpOud s9ovp2opBLJoVbbDaciCggFZS/bsGhSffhq4r6nwtuZuNPZ/iuAowlwsZyQ3KqR5+p oP/NpuExVitNA== From: AngeloGioacchino Del Regno To: pavel@ucw.cz Cc: lee@kernel.org, sean.wang@mediatek.com, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, matthias.bgg@gmail.com, linux-leds@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, kernel@collabora.com, AngeloGioacchino Del Regno , Krzysztof Kozlowski , Alexandre Mergnat Subject: [PATCH v3 2/8] dt-bindings: leds: leds-mt6323: Document mt6332 compatible Date: Thu, 1 Jun 2023 13:08:07 +0200 Message-Id: <20230601110813.2373764-3-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230601110813.2373764-1-angelogioacchino.delregno@collabora.com> References: <20230601110813.2373764-1-angelogioacchino.delregno@collabora.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-leds@vger.kernel.org Add support for MT6332 LEDs/WLEDs with compatible "mediatek,mt6332-led". Signed-off-by: AngeloGioacchino Del Regno Acked-by: Krzysztof Kozlowski Reviewed-by: Alexandre Mergnat Acked-by: Pavel Machek --- Documentation/devicetree/bindings/leds/leds-mt6323.txt | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/leds/leds-mt6323.txt b/Documentation/devicetree/bindings/leds/leds-mt6323.txt index 7dc63af41562..052dccb8f2ce 100644 --- a/Documentation/devicetree/bindings/leds/leds-mt6323.txt +++ b/Documentation/devicetree/bindings/leds/leds-mt6323.txt @@ -15,6 +15,7 @@ Required properties: - compatible : Must be one of - "mediatek,mt6323-led" - "mediatek,mt6331-led" + - "mediatek,mt6332-led" - address-cells : Must be 1 - size-cells : Must be 0 From patchwork Thu Jun 1 11:08:08 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: AngeloGioacchino Del Regno X-Patchwork-Id: 688046 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 059E6C7EE32 for ; Thu, 1 Jun 2023 11:08:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232749AbjFALIZ (ORCPT ); Thu, 1 Jun 2023 07:08:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57436 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232331AbjFALIY (ORCPT ); Thu, 1 Jun 2023 07:08:24 -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 D1CD8107; Thu, 1 Jun 2023 04:08:22 -0700 (PDT) Received: from IcarusMOD.eternityproject.eu (unknown [IPv6:2001:b07:2ed:14ed:a962:cd4d:a84:1eab]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by madras.collabora.co.uk (Postfix) with ESMTPSA id EE2946606EC7; Thu, 1 Jun 2023 12:08:20 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1685617701; bh=7QDKHi+A/gqA9xknsWF5jEq2ws7Pw6cLm96d6FgjS6M=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Xx+cHzrVM/7QBN8zx2IGQc44p3xQUNdFoCjaNWsOuAxvqd6YW6PADm/kQBCn00y6E Kqt13x3/yukpW5PRkDNzlM2Q4Ciw1ksxMRw6b6LRiWzBg0/MioNAi2MDKyVjpHIPu5 uWnSS5QzqH/vV51900qxbSe8yEMSPA8z33g44GaPwX3N1afhNG2eFiFxzAHshe/wX4 ENHO8u0j060kKWaAOKB/QUFXmT2t4AyIY8wXTm5OgE6XzS/IaUjr7QU10jQUUZYkh3 2iH88ZuNPIWJY6PpuNJJxoe9ocyyKAYi9MaMNwGXTkaYHLelqGRMV/KfVSZM6u9Oeq Sfk6VcdTDDhNg== From: AngeloGioacchino Del Regno To: pavel@ucw.cz Cc: lee@kernel.org, sean.wang@mediatek.com, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, matthias.bgg@gmail.com, linux-leds@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, kernel@collabora.com, AngeloGioacchino Del Regno Subject: [PATCH v3 3/8] dt-bindings: leds: leds-mt6323: Support WLED output Date: Thu, 1 Jun 2023 13:08:08 +0200 Message-Id: <20230601110813.2373764-4-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230601110813.2373764-1-angelogioacchino.delregno@collabora.com> References: <20230601110813.2373764-1-angelogioacchino.delregno@collabora.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-leds@vger.kernel.org Some PMICs have a separated WLED string output: add a property `mediatek,is-wled` to indicate which LED string is a WLED. Signed-off-by: AngeloGioacchino Del Regno --- Documentation/devicetree/bindings/leds/leds-mt6323.txt | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/leds/leds-mt6323.txt b/Documentation/devicetree/bindings/leds/leds-mt6323.txt index 052dccb8f2ce..904b2222a5fe 100644 --- a/Documentation/devicetree/bindings/leds/leds-mt6323.txt +++ b/Documentation/devicetree/bindings/leds/leds-mt6323.txt @@ -30,6 +30,7 @@ Optional properties for the LED child node: - label : See Documentation/devicetree/bindings/leds/common.txt - linux,default-trigger : See Documentation/devicetree/bindings/leds/common.txt - default-state: See Documentation/devicetree/bindings/leds/common.txt +- mediatek,is-wled: LED string is connected to WLED output Example: From patchwork Thu Jun 1 11:08:09 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: AngeloGioacchino Del Regno X-Patchwork-Id: 688614 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E04A9C77B7A for ; Thu, 1 Jun 2023 11:08:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232820AbjFALI2 (ORCPT ); Thu, 1 Jun 2023 07:08:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57454 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232757AbjFALI0 (ORCPT ); Thu, 1 Jun 2023 07:08:26 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C6E6811F; Thu, 1 Jun 2023 04:08:23 -0700 (PDT) Received: from IcarusMOD.eternityproject.eu (unknown [IPv6:2001:b07:2ed:14ed:a962:cd4d:a84:1eab]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by madras.collabora.co.uk (Postfix) with ESMTPSA id D11656606EC8; Thu, 1 Jun 2023 12:08:21 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1685617702; bh=qv+0WiyixeUBRHjdz2wlLAG+Q/lJmJitUkVUNS2i3W8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=iOqlBbF82XHmx6x8rOsnMmGyYEllSC8sSF4KZxthTkzJJUFoT1FPQA3A1vnStbD5x 1JEICgqvpdqCyZrZDzxW7by2EL40voP8xYJnLitVz4DhBhHAwRI5rCL6LLUBsA5o0j 4K/47PxC/8lC8ZRJX+Ux8qLlzXVet1chnIWXr9Lig1rzbWAr+51OLkYy+ddj7MTcon olhe94O5rljPTZQtyWTndH8NUsTrB2rqGXhbjipkuIrHvGDgNeaeSqhDEFjH+XE7HA yFcjY69cZmX3MZA1FcipcMKL+pwScRYg7I4+CxlFXI/GSNRH30wVTWSJH36k1NZwa8 YAucVAGsty0dg== From: AngeloGioacchino Del Regno To: pavel@ucw.cz Cc: lee@kernel.org, sean.wang@mediatek.com, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, matthias.bgg@gmail.com, linux-leds@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, kernel@collabora.com, AngeloGioacchino Del Regno , Alexandre Mergnat Subject: [PATCH v3 4/8] leds: leds-mt6323: Specify registers and specs in platform data Date: Thu, 1 Jun 2023 13:08:09 +0200 Message-Id: <20230601110813.2373764-5-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230601110813.2373764-1-angelogioacchino.delregno@collabora.com> References: <20230601110813.2373764-1-angelogioacchino.delregno@collabora.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-leds@vger.kernel.org In order to enhance the flexibility of this driver and let it support more than just one MediaTek LEDs IP for more than just one PMIC, add platform data structure specifying the register offsets and data that commonly varies between different IPs. This commit brings no functional changes. Signed-off-by: AngeloGioacchino Del Regno Reviewed-by: Alexandre Mergnat Acked-by: Pavel Machek --- drivers/leds/leds-mt6323.c | 153 ++++++++++++++++++++++++++++--------- 1 file changed, 115 insertions(+), 38 deletions(-) diff --git a/drivers/leds/leds-mt6323.c b/drivers/leds/leds-mt6323.c index 17ee88043f52..65a99c067216 100644 --- a/drivers/leds/leds-mt6323.c +++ b/drivers/leds/leds-mt6323.c @@ -33,22 +33,18 @@ */ #define MT6323_RG_ISINK_CK_SEL_MASK(i) (BIT(10) << (i)) -/* - * Register for MT6323_ISINK_CON0 to setup the - * duty cycle of the blink. - */ -#define MT6323_ISINK_CON0(i) (MT6323_ISINK0_CON0 + 0x8 * (i)) +#define MT6323_ISINK_CON(r, i) (r + 0x8 * (i)) + +/* ISINK_CON0: Register to setup the duty cycle of the blink. */ #define MT6323_ISINK_DIM_DUTY_MASK (0x1f << 8) #define MT6323_ISINK_DIM_DUTY(i) (((i) << 8) & \ - MT6323_ISINK_DIM_DUTY_MASK) + MT6323_ISINK_DIM_DUTY_MASK) -/* Register to setup the period of the blink. */ -#define MT6323_ISINK_CON1(i) (MT6323_ISINK0_CON1 + 0x8 * (i)) +/* ISINK_CON1: Register to setup the period of the blink. */ #define MT6323_ISINK_DIM_FSEL_MASK (0xffff) #define MT6323_ISINK_DIM_FSEL(i) ((i) & MT6323_ISINK_DIM_FSEL_MASK) -/* Register to control the brightness. */ -#define MT6323_ISINK_CON2(i) (MT6323_ISINK0_CON2 + 0x8 * (i)) +/* ISINK_CON2: Register to control the brightness. */ #define MT6323_ISINK_CH_STEP_SHIFT 12 #define MT6323_ISINK_CH_STEP_MASK (0x7 << 12) #define MT6323_ISINK_CH_STEP(i) (((i) << 12) & \ @@ -63,12 +59,9 @@ #define MT6323_ISINK_CH_EN_MASK(i) BIT(i) #define MT6323_ISINK_CH_EN(i) BIT(i) -#define MT6323_MAX_PERIOD 10000 -#define MT6323_MAX_LEDS 4 -#define MT6323_MAX_BRIGHTNESS 6 -#define MT6323_UNIT_DUTY 3125 -#define MT6323_CAL_HW_DUTY(o, p) DIV_ROUND_CLOSEST((o) * 100000ul,\ - (p) * MT6323_UNIT_DUTY) +#define MAX_SUPPORTED_LEDS 8 +#define MT6323_CAL_HW_DUTY(o, p, u) DIV_ROUND_CLOSEST((o) * 100000ul,\ + (p) * (u)) struct mt6323_leds; @@ -86,12 +79,59 @@ struct mt6323_led { enum led_brightness current_brightness; }; +/** + * struct mt6323_regs - register spec for the LED device + * @top_ckpdn: Offset to ISINK_CKPDN[0..x] registers + * @num_top_ckpdn: Number of ISINK_CKPDN registers + * @top_ckcon: Offset to ISINK_CKCON[0..x] registers + * @num_top_ckcon: Number of ISINK_CKCON registers + * @isink_con: Offset to ISINKx_CON[0..x] registers + * @num_isink_con: Number of ISINKx_CON registers + * @isink_max_regs: Number of ISINK[0..x] registers + * @isink_en_ctrl: Offset to ISINK_EN_CTRL register + */ +struct mt6323_regs { + const u16 *top_ckpdn; + u8 num_top_ckpdn; + const u16 *top_ckcon; + u8 num_top_ckcon; + const u16 *isink_con; + u8 num_isink_con; + u8 isink_max_regs; + u16 isink_en_ctrl; +}; + +/** + * struct mt6323_hwspec - hardware specific parameters + * @max_period: Maximum period for all LEDs + * @max_leds: Maximum number of supported LEDs + * @max_brightness: Maximum brightness for all LEDs + * @unit_duty: Steps of duty per period + */ +struct mt6323_hwspec { + u16 max_period; + u8 max_leds; + u16 max_brightness; + u16 unit_duty; +}; + +/** + * struct mt6323_data - device specific data + * @regs: Register spec for this device + * @spec: Hardware specific parameters + */ +struct mt6323_data { + const struct mt6323_regs *regs; + const struct mt6323_hwspec *spec; +}; + /** * struct mt6323_leds - state container for holding LED controller * of the driver * @dev: the device pointer * @hw: the underlying hardware providing shared * bus for the register operations + * @pdata: device specific data * @lock: the lock among process context * @led: the array that contains the state of individual * LED device @@ -99,9 +139,10 @@ struct mt6323_led { struct mt6323_leds { struct device *dev; struct mt6397_chip *hw; + const struct mt6323_data *pdata; /* protect among process context */ struct mutex lock; - struct mt6323_led *led[MT6323_MAX_LEDS]; + struct mt6323_led *led[MAX_SUPPORTED_LEDS]; }; static int mt6323_led_hw_brightness(struct led_classdev *cdev, @@ -109,6 +150,7 @@ static int mt6323_led_hw_brightness(struct led_classdev *cdev, { struct mt6323_led *led = container_of(cdev, struct mt6323_led, cdev); struct mt6323_leds *leds = led->parent; + const struct mt6323_regs *regs = leds->pdata->regs; struct regmap *regmap = leds->hw->regmap; u32 con2_mask = 0, con2_val = 0; int ret; @@ -124,7 +166,7 @@ static int mt6323_led_hw_brightness(struct led_classdev *cdev, MT6323_ISINK_SFSTR0_TC(2) | MT6323_ISINK_SFSTR0_EN; - ret = regmap_update_bits(regmap, MT6323_ISINK_CON2(led->id), + ret = regmap_update_bits(regmap, MT6323_ISINK_CON(regs->isink_con[2], led->id), con2_mask, con2_val); return ret; } @@ -133,18 +175,19 @@ static int mt6323_led_hw_off(struct led_classdev *cdev) { struct mt6323_led *led = container_of(cdev, struct mt6323_led, cdev); struct mt6323_leds *leds = led->parent; + const struct mt6323_regs *regs = leds->pdata->regs; struct regmap *regmap = leds->hw->regmap; unsigned int status; int ret; status = MT6323_ISINK_CH_EN(led->id); - ret = regmap_update_bits(regmap, MT6323_ISINK_EN_CTRL, + ret = regmap_update_bits(regmap, regs->isink_en_ctrl, MT6323_ISINK_CH_EN_MASK(led->id), ~status); if (ret < 0) return ret; usleep_range(100, 300); - ret = regmap_update_bits(regmap, MT6323_TOP_CKPDN2, + ret = regmap_update_bits(regmap, regs->top_ckpdn[2], MT6323_RG_ISINK_CK_PDN_MASK(led->id), MT6323_RG_ISINK_CK_PDN(led->id)); if (ret < 0) @@ -158,25 +201,26 @@ mt6323_get_led_hw_brightness(struct led_classdev *cdev) { struct mt6323_led *led = container_of(cdev, struct mt6323_led, cdev); struct mt6323_leds *leds = led->parent; + const struct mt6323_regs *regs = leds->pdata->regs; struct regmap *regmap = leds->hw->regmap; unsigned int status; int ret; - ret = regmap_read(regmap, MT6323_TOP_CKPDN2, &status); + ret = regmap_read(regmap, regs->top_ckpdn[2], &status); if (ret < 0) return ret; if (status & MT6323_RG_ISINK_CK_PDN_MASK(led->id)) return 0; - ret = regmap_read(regmap, MT6323_ISINK_EN_CTRL, &status); + ret = regmap_read(regmap, regs->isink_en_ctrl, &status); if (ret < 0) return ret; if (!(status & MT6323_ISINK_CH_EN(led->id))) return 0; - ret = regmap_read(regmap, MT6323_ISINK_CON2(led->id), &status); + ret = regmap_read(regmap, MT6323_ISINK_CON(regs->isink_con[2], led->id), &status); if (ret < 0) return ret; @@ -189,6 +233,7 @@ static int mt6323_led_hw_on(struct led_classdev *cdev, { struct mt6323_led *led = container_of(cdev, struct mt6323_led, cdev); struct mt6323_leds *leds = led->parent; + const struct mt6323_regs *regs = leds->pdata->regs; struct regmap *regmap = leds->hw->regmap; unsigned int status; int ret; @@ -198,13 +243,13 @@ static int mt6323_led_hw_on(struct led_classdev *cdev, * clock and channel and let work with continuous blink as * the default. */ - ret = regmap_update_bits(regmap, MT6323_TOP_CKCON1, + ret = regmap_update_bits(regmap, regs->top_ckcon[1], MT6323_RG_ISINK_CK_SEL_MASK(led->id), 0); if (ret < 0) return ret; status = MT6323_RG_ISINK_CK_PDN(led->id); - ret = regmap_update_bits(regmap, MT6323_TOP_CKPDN2, + ret = regmap_update_bits(regmap, regs->top_ckpdn[2], MT6323_RG_ISINK_CK_PDN_MASK(led->id), ~status); if (ret < 0) @@ -212,7 +257,7 @@ static int mt6323_led_hw_on(struct led_classdev *cdev, usleep_range(100, 300); - ret = regmap_update_bits(regmap, MT6323_ISINK_EN_CTRL, + ret = regmap_update_bits(regmap, regs->isink_en_ctrl, MT6323_ISINK_CH_EN_MASK(led->id), MT6323_ISINK_CH_EN(led->id)); if (ret < 0) @@ -222,13 +267,13 @@ static int mt6323_led_hw_on(struct led_classdev *cdev, if (ret < 0) return ret; - ret = regmap_update_bits(regmap, MT6323_ISINK_CON0(led->id), + ret = regmap_update_bits(regmap, MT6323_ISINK_CON(regs->isink_con[0], led->id), MT6323_ISINK_DIM_DUTY_MASK, MT6323_ISINK_DIM_DUTY(31)); if (ret < 0) return ret; - ret = regmap_update_bits(regmap, MT6323_ISINK_CON1(led->id), + ret = regmap_update_bits(regmap, MT6323_ISINK_CON(regs->isink_con[1], led->id), MT6323_ISINK_DIM_FSEL_MASK, MT6323_ISINK_DIM_FSEL(1000)); if (ret < 0) @@ -243,6 +288,8 @@ static int mt6323_led_set_blink(struct led_classdev *cdev, { struct mt6323_led *led = container_of(cdev, struct mt6323_led, cdev); struct mt6323_leds *leds = led->parent; + const struct mt6323_regs *regs = leds->pdata->regs; + const struct mt6323_hwspec *spec = leds->pdata->spec; struct regmap *regmap = leds->hw->regmap; unsigned long period; u8 duty_hw; @@ -265,14 +312,14 @@ static int mt6323_led_set_blink(struct led_classdev *cdev, */ period = *delay_on + *delay_off; - if (period > MT6323_MAX_PERIOD) + if (period > spec->max_period) return -EINVAL; /* * Calculate duty_hw based on the percentage of period during * which the led is ON. */ - duty_hw = MT6323_CAL_HW_DUTY(*delay_on, period); + duty_hw = MT6323_CAL_HW_DUTY(*delay_on, period, spec->unit_duty); /* hardware doesn't support zero duty cycle. */ if (!duty_hw) @@ -290,13 +337,13 @@ static int mt6323_led_set_blink(struct led_classdev *cdev, led->current_brightness = cdev->max_brightness; } - ret = regmap_update_bits(regmap, MT6323_ISINK_CON0(led->id), + ret = regmap_update_bits(regmap, MT6323_ISINK_CON(regs->isink_con[0], led->id), MT6323_ISINK_DIM_DUTY_MASK, MT6323_ISINK_DIM_DUTY(duty_hw - 1)); if (ret < 0) goto out; - ret = regmap_update_bits(regmap, MT6323_ISINK_CON1(led->id), + ret = regmap_update_bits(regmap, MT6323_ISINK_CON(regs->isink_con[1], led->id), MT6323_ISINK_DIM_FSEL_MASK, MT6323_ISINK_DIM_FSEL(period - 1)); out: @@ -369,6 +416,8 @@ static int mt6323_led_probe(struct platform_device *pdev) struct mt6397_chip *hw = dev_get_drvdata(dev->parent); struct mt6323_leds *leds; struct mt6323_led *led; + const struct mt6323_regs *regs; + const struct mt6323_hwspec *spec; int ret; unsigned int status; u32 reg; @@ -379,6 +428,9 @@ static int mt6323_led_probe(struct platform_device *pdev) platform_set_drvdata(pdev, leds); leds->dev = dev; + leds->pdata = device_get_match_data(dev); + regs = leds->pdata->regs; + spec = leds->pdata->spec; /* * leds->hw points to the underlying bus for the register @@ -388,11 +440,11 @@ static int mt6323_led_probe(struct platform_device *pdev) mutex_init(&leds->lock); status = MT6323_RG_DRV_32K_CK_PDN; - ret = regmap_update_bits(leds->hw->regmap, MT6323_TOP_CKPDN0, + ret = regmap_update_bits(leds->hw->regmap, regs->top_ckpdn[0], MT6323_RG_DRV_32K_CK_PDN_MASK, ~status); if (ret < 0) { dev_err(leds->dev, - "Failed to update MT6323_TOP_CKPDN0 Register\n"); + "Failed to update TOP_CKPDN0 Register\n"); return ret; } @@ -405,7 +457,8 @@ static int mt6323_led_probe(struct platform_device *pdev) goto put_child_node; } - if (reg >= MT6323_MAX_LEDS || leds->led[reg]) { + if (reg >= spec->max_leds || reg >= MAX_SUPPORTED_LEDS || + leds->led[reg]) { dev_err(dev, "Invalid led reg %u\n", reg); ret = -EINVAL; goto put_child_node; @@ -419,7 +472,7 @@ static int mt6323_led_probe(struct platform_device *pdev) leds->led[reg] = led; leds->led[reg]->id = reg; - leds->led[reg]->cdev.max_brightness = MT6323_MAX_BRIGHTNESS; + leds->led[reg]->cdev.max_brightness = spec->max_brightness; leds->led[reg]->cdev.brightness_set_blocking = mt6323_led_set_brightness; leds->led[reg]->cdev.blink_set = mt6323_led_set_blink; @@ -454,13 +507,14 @@ static int mt6323_led_probe(struct platform_device *pdev) static int mt6323_led_remove(struct platform_device *pdev) { struct mt6323_leds *leds = platform_get_drvdata(pdev); + const struct mt6323_regs *regs = leds->pdata->regs; int i; /* Turn the LEDs off on driver removal. */ for (i = 0 ; leds->led[i] ; i++) mt6323_led_hw_off(&leds->led[i]->cdev); - regmap_update_bits(leds->hw->regmap, MT6323_TOP_CKPDN0, + regmap_update_bits(leds->hw->regmap, regs->top_ckpdn[0], MT6323_RG_DRV_32K_CK_PDN_MASK, MT6323_RG_DRV_32K_CK_PDN); @@ -469,8 +523,31 @@ static int mt6323_led_remove(struct platform_device *pdev) return 0; } +static const struct mt6323_regs mt6323_registers = { + .top_ckpdn = (const u16[]){ 0x102, 0x106, 0x10e }, + .num_top_ckpdn = 3, + .top_ckcon = (const u16[]){ 0x120, 0x126 }, + .num_top_ckcon = 2, + .isink_con = (const u16[]){ 0x330, 0x332, 0x334 }, + .num_isink_con = 3, + .isink_max_regs = 4, /* ISINK[0..3] */ + .isink_en_ctrl = 0x356, +}; + +static const struct mt6323_hwspec mt6323_spec = { + .max_period = 10000, + .max_leds = 4, + .max_brightness = 6, + .unit_duty = 3125, +}; + +static const struct mt6323_data mt6323_pdata = { + .regs = &mt6323_registers, + .spec = &mt6323_spec, +}; + static const struct of_device_id mt6323_led_dt_match[] = { - { .compatible = "mediatek,mt6323-led" }, + { .compatible = "mediatek,mt6323-led", .data = &mt6323_pdata}, {}, }; MODULE_DEVICE_TABLE(of, mt6323_led_dt_match); From patchwork Thu Jun 1 11:08:10 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: AngeloGioacchino Del Regno X-Patchwork-Id: 688044 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 17DADC7EE32 for ; Thu, 1 Jun 2023 11:08:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232850AbjFALIg (ORCPT ); Thu, 1 Jun 2023 07:08:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57496 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232763AbjFALI2 (ORCPT ); Thu, 1 Jun 2023 07:08:28 -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 BB0C8107; Thu, 1 Jun 2023 04:08:24 -0700 (PDT) Received: from IcarusMOD.eternityproject.eu (unknown [IPv6:2001:b07:2ed:14ed:a962:cd4d:a84:1eab]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by madras.collabora.co.uk (Postfix) with ESMTPSA id C0B0C6606EC9; Thu, 1 Jun 2023 12:08:22 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1685617703; bh=xMLOXa7P94owznwAwLZfjqhB1VtsBmFu/6JMOm5WqGk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Z70DJTuRI/15NA0CCG7L/cmdUvd+/QmNwvu0y1neYqITHqDha1oYqJfr1YDeFmet1 fmexP+p4+YEZQZLq8bGqEl4qBnIM1delUb+42sZF8uLqO8Rozp7YwAYuWaMGnYXVA4 0r/O0qIjHFjkEq7uAsqehMqpxt8K+TSoawmuitCjA5KHsH/Wi6L/Myta1Hk9fUdLhI 3LhD/Mj7kQ8nyHJkkE2miQZ72TuyclB+tF8qK+KQFQdgaN6rmrWawaYKd8fsrdLQt3 sh+5pOz8p11gmULadfYDz5amHPuire9EB9i+qVtqAGUXMDoqrn5d5WVyGo28DG20/c jmxGpOZN2im0w== From: AngeloGioacchino Del Regno To: pavel@ucw.cz Cc: lee@kernel.org, sean.wang@mediatek.com, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, matthias.bgg@gmail.com, linux-leds@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, kernel@collabora.com, AngeloGioacchino Del Regno , Alexandre Mergnat Subject: [PATCH v3 5/8] leds: leds-mt6323: Drop MT6323_ prefix from macros and defines Date: Thu, 1 Jun 2023 13:08:10 +0200 Message-Id: <20230601110813.2373764-6-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230601110813.2373764-1-angelogioacchino.delregno@collabora.com> References: <20230601110813.2373764-1-angelogioacchino.delregno@collabora.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-leds@vger.kernel.org This renames all definitions and macros to drop the MT6323_ prefix, since it is now possible to easily add support to more PMICs in this driver. While at it, also fix related formatting where possible. This commit brings no functional changes. Signed-off-by: AngeloGioacchino Del Regno Reviewed-by: Alexandre Mergnat --- drivers/leds/leds-mt6323.c | 123 ++++++++++++++++++------------------- 1 file changed, 60 insertions(+), 63 deletions(-) diff --git a/drivers/leds/leds-mt6323.c b/drivers/leds/leds-mt6323.c index 65a99c067216..dae782de09c4 100644 --- a/drivers/leds/leds-mt6323.c +++ b/drivers/leds/leds-mt6323.c @@ -14,50 +14,47 @@ #include /* - * Register field for MT6323_TOP_CKPDN0 to enable + * Register field for TOP_CKPDN0 to enable * 32K clock common for LED device. */ -#define MT6323_RG_DRV_32K_CK_PDN BIT(11) -#define MT6323_RG_DRV_32K_CK_PDN_MASK BIT(11) +#define RG_DRV_32K_CK_PDN BIT(11) +#define RG_DRV_32K_CK_PDN_MASK BIT(11) /* - * Register field for MT6323_TOP_CKPDN2 to enable + * Register field for TOP_CKPDN2 to enable * individual clock for LED device. */ -#define MT6323_RG_ISINK_CK_PDN(i) BIT(i) -#define MT6323_RG_ISINK_CK_PDN_MASK(i) BIT(i) +#define RG_ISINK_CK_PDN(i) BIT(i) +#define RG_ISINK_CK_PDN_MASK(i) BIT(i) /* - * Register field for MT6323_TOP_CKCON1 to select + * Register field for TOP_CKCON1 to select * clock source. */ -#define MT6323_RG_ISINK_CK_SEL_MASK(i) (BIT(10) << (i)) +#define RG_ISINK_CK_SEL_MASK(i) (BIT(10) << (i)) -#define MT6323_ISINK_CON(r, i) (r + 0x8 * (i)) +#define ISINK_CON(r, i) (r + 0x8 * (i)) /* ISINK_CON0: Register to setup the duty cycle of the blink. */ -#define MT6323_ISINK_DIM_DUTY_MASK (0x1f << 8) -#define MT6323_ISINK_DIM_DUTY(i) (((i) << 8) & \ - MT6323_ISINK_DIM_DUTY_MASK) +#define ISINK_DIM_DUTY_MASK (0x1f << 8) +#define ISINK_DIM_DUTY(i) (((i) << 8) & ISINK_DIM_DUTY_MASK) /* ISINK_CON1: Register to setup the period of the blink. */ -#define MT6323_ISINK_DIM_FSEL_MASK (0xffff) -#define MT6323_ISINK_DIM_FSEL(i) ((i) & MT6323_ISINK_DIM_FSEL_MASK) +#define ISINK_DIM_FSEL_MASK (0xffff) +#define ISINK_DIM_FSEL(i) ((i) & ISINK_DIM_FSEL_MASK) /* ISINK_CON2: Register to control the brightness. */ -#define MT6323_ISINK_CH_STEP_SHIFT 12 -#define MT6323_ISINK_CH_STEP_MASK (0x7 << 12) -#define MT6323_ISINK_CH_STEP(i) (((i) << 12) & \ - MT6323_ISINK_CH_STEP_MASK) -#define MT6323_ISINK_SFSTR0_TC_MASK (0x3 << 1) -#define MT6323_ISINK_SFSTR0_TC(i) (((i) << 1) & \ - MT6323_ISINK_SFSTR0_TC_MASK) -#define MT6323_ISINK_SFSTR0_EN_MASK BIT(0) -#define MT6323_ISINK_SFSTR0_EN BIT(0) +#define ISINK_CH_STEP_SHIFT 12 +#define ISINK_CH_STEP_MASK (0x7 << 12) +#define ISINK_CH_STEP(i) (((i) << 12) & ISINK_CH_STEP_MASK) +#define ISINK_SFSTR0_TC_MASK (0x3 << 1) +#define ISINK_SFSTR0_TC(i) (((i) << 1) & ISINK_SFSTR0_TC_MASK) +#define ISINK_SFSTR0_EN_MASK BIT(0) +#define ISINK_SFSTR0_EN BIT(0) /* Register to LED channel enablement. */ -#define MT6323_ISINK_CH_EN_MASK(i) BIT(i) -#define MT6323_ISINK_CH_EN(i) BIT(i) +#define ISINK_CH_EN_MASK(i) BIT(i) +#define ISINK_CH_EN(i) BIT(i) #define MAX_SUPPORTED_LEDS 8 #define MT6323_CAL_HW_DUTY(o, p, u) DIV_ROUND_CLOSEST((o) * 100000ul,\ @@ -159,14 +156,14 @@ static int mt6323_led_hw_brightness(struct led_classdev *cdev, * Setup current output for the corresponding * brightness level. */ - con2_mask |= MT6323_ISINK_CH_STEP_MASK | - MT6323_ISINK_SFSTR0_TC_MASK | - MT6323_ISINK_SFSTR0_EN_MASK; - con2_val |= MT6323_ISINK_CH_STEP(brightness - 1) | - MT6323_ISINK_SFSTR0_TC(2) | - MT6323_ISINK_SFSTR0_EN; - - ret = regmap_update_bits(regmap, MT6323_ISINK_CON(regs->isink_con[2], led->id), + con2_mask |= ISINK_CH_STEP_MASK | + ISINK_SFSTR0_TC_MASK | + ISINK_SFSTR0_EN_MASK; + con2_val |= ISINK_CH_STEP(brightness - 1) | + ISINK_SFSTR0_TC(2) | + ISINK_SFSTR0_EN; + + ret = regmap_update_bits(regmap, ISINK_CON(regs->isink_con[2], led->id), con2_mask, con2_val); return ret; } @@ -180,16 +177,16 @@ static int mt6323_led_hw_off(struct led_classdev *cdev) unsigned int status; int ret; - status = MT6323_ISINK_CH_EN(led->id); + status = ISINK_CH_EN(led->id); ret = regmap_update_bits(regmap, regs->isink_en_ctrl, - MT6323_ISINK_CH_EN_MASK(led->id), ~status); + ISINK_CH_EN_MASK(led->id), ~status); if (ret < 0) return ret; usleep_range(100, 300); ret = regmap_update_bits(regmap, regs->top_ckpdn[2], - MT6323_RG_ISINK_CK_PDN_MASK(led->id), - MT6323_RG_ISINK_CK_PDN(led->id)); + RG_ISINK_CK_PDN_MASK(led->id), + RG_ISINK_CK_PDN(led->id)); if (ret < 0) return ret; @@ -210,22 +207,22 @@ mt6323_get_led_hw_brightness(struct led_classdev *cdev) if (ret < 0) return ret; - if (status & MT6323_RG_ISINK_CK_PDN_MASK(led->id)) + if (status & RG_ISINK_CK_PDN_MASK(led->id)) return 0; ret = regmap_read(regmap, regs->isink_en_ctrl, &status); if (ret < 0) return ret; - if (!(status & MT6323_ISINK_CH_EN(led->id))) + if (!(status & ISINK_CH_EN(led->id))) return 0; - ret = regmap_read(regmap, MT6323_ISINK_CON(regs->isink_con[2], led->id), &status); + ret = regmap_read(regmap, ISINK_CON(regs->isink_con[2], led->id), &status); if (ret < 0) return ret; - return ((status & MT6323_ISINK_CH_STEP_MASK) - >> MT6323_ISINK_CH_STEP_SHIFT) + 1; + return ((status & ISINK_CH_STEP_MASK) + >> ISINK_CH_STEP_SHIFT) + 1; } static int mt6323_led_hw_on(struct led_classdev *cdev, @@ -244,13 +241,13 @@ static int mt6323_led_hw_on(struct led_classdev *cdev, * the default. */ ret = regmap_update_bits(regmap, regs->top_ckcon[1], - MT6323_RG_ISINK_CK_SEL_MASK(led->id), 0); + RG_ISINK_CK_SEL_MASK(led->id), 0); if (ret < 0) return ret; - status = MT6323_RG_ISINK_CK_PDN(led->id); + status = RG_ISINK_CK_PDN(led->id); ret = regmap_update_bits(regmap, regs->top_ckpdn[2], - MT6323_RG_ISINK_CK_PDN_MASK(led->id), + RG_ISINK_CK_PDN_MASK(led->id), ~status); if (ret < 0) return ret; @@ -258,8 +255,8 @@ static int mt6323_led_hw_on(struct led_classdev *cdev, usleep_range(100, 300); ret = regmap_update_bits(regmap, regs->isink_en_ctrl, - MT6323_ISINK_CH_EN_MASK(led->id), - MT6323_ISINK_CH_EN(led->id)); + ISINK_CH_EN_MASK(led->id), + ISINK_CH_EN(led->id)); if (ret < 0) return ret; @@ -267,15 +264,15 @@ static int mt6323_led_hw_on(struct led_classdev *cdev, if (ret < 0) return ret; - ret = regmap_update_bits(regmap, MT6323_ISINK_CON(regs->isink_con[0], led->id), - MT6323_ISINK_DIM_DUTY_MASK, - MT6323_ISINK_DIM_DUTY(31)); + ret = regmap_update_bits(regmap, ISINK_CON(regs->isink_con[0], led->id), + ISINK_DIM_DUTY_MASK, + ISINK_DIM_DUTY(31)); if (ret < 0) return ret; - ret = regmap_update_bits(regmap, MT6323_ISINK_CON(regs->isink_con[1], led->id), - MT6323_ISINK_DIM_FSEL_MASK, - MT6323_ISINK_DIM_FSEL(1000)); + ret = regmap_update_bits(regmap, ISINK_CON(regs->isink_con[1], led->id), + ISINK_DIM_FSEL_MASK, + ISINK_DIM_FSEL(1000)); if (ret < 0) return ret; @@ -337,15 +334,15 @@ static int mt6323_led_set_blink(struct led_classdev *cdev, led->current_brightness = cdev->max_brightness; } - ret = regmap_update_bits(regmap, MT6323_ISINK_CON(regs->isink_con[0], led->id), - MT6323_ISINK_DIM_DUTY_MASK, - MT6323_ISINK_DIM_DUTY(duty_hw - 1)); + ret = regmap_update_bits(regmap, ISINK_CON(regs->isink_con[0], led->id), + ISINK_DIM_DUTY_MASK, + ISINK_DIM_DUTY(duty_hw - 1)); if (ret < 0) goto out; - ret = regmap_update_bits(regmap, MT6323_ISINK_CON(regs->isink_con[1], led->id), - MT6323_ISINK_DIM_FSEL_MASK, - MT6323_ISINK_DIM_FSEL(period - 1)); + ret = regmap_update_bits(regmap, ISINK_CON(regs->isink_con[1], led->id), + ISINK_DIM_FSEL_MASK, + ISINK_DIM_FSEL(period - 1)); out: mutex_unlock(&leds->lock); @@ -439,9 +436,9 @@ static int mt6323_led_probe(struct platform_device *pdev) leds->hw = hw; mutex_init(&leds->lock); - status = MT6323_RG_DRV_32K_CK_PDN; + status = RG_DRV_32K_CK_PDN; ret = regmap_update_bits(leds->hw->regmap, regs->top_ckpdn[0], - MT6323_RG_DRV_32K_CK_PDN_MASK, ~status); + RG_DRV_32K_CK_PDN_MASK, ~status); if (ret < 0) { dev_err(leds->dev, "Failed to update TOP_CKPDN0 Register\n"); @@ -515,8 +512,8 @@ static int mt6323_led_remove(struct platform_device *pdev) mt6323_led_hw_off(&leds->led[i]->cdev); regmap_update_bits(leds->hw->regmap, regs->top_ckpdn[0], - MT6323_RG_DRV_32K_CK_PDN_MASK, - MT6323_RG_DRV_32K_CK_PDN); + RG_DRV_32K_CK_PDN_MASK, + RG_DRV_32K_CK_PDN); mutex_destroy(&leds->lock); From patchwork Thu Jun 1 11:08:11 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: AngeloGioacchino Del Regno X-Patchwork-Id: 688045 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 81E88C7EE2F for ; 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a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1685617704; bh=x0Qr5LahDfyZYZmRkn9rv/gKpzoGdsqrT9tCKkLWPyA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jkQIaAMQWxdMtJ2Y2UqHFh9nVHlXD+9iuuCazccKhNJRxHaM69XgsHkg5W+8ECBOr utYhND6GBl/pA+BOzweDtrDNt0I5cBj4mRUIBgezE8viQLkKY7I/+952tcuPh6IPEH Fp2T/8eJrte8iJ3m/cJmZ4DYp4DGK6g0x5W+ECg/Y9qmsIf4HziJZ2HfGuiwii8yDL 1d2ssJvYZLlHmhOz2fwr/2p1ExYKQ/gAHBZGWT4b1HhrX7pBbPYYDiNWgQIcUm2AO1 EnbJr0vl0LYZW1NK5qOY0fs1nXzGFlULA/ht0TvCjZIjLt5S2CtNM/XKnFVzp0uHID 0IleZnRS1Y8EQ== From: AngeloGioacchino Del Regno To: pavel@ucw.cz Cc: lee@kernel.org, sean.wang@mediatek.com, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, matthias.bgg@gmail.com, linux-leds@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, kernel@collabora.com, AngeloGioacchino Del Regno , Alexandre Mergnat Subject: [PATCH v3 6/8] leds: leds-mt6323: Open code and drop MT6323_CAL_HW_DUTY macro Date: Thu, 1 Jun 2023 13:08:11 +0200 Message-Id: <20230601110813.2373764-7-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230601110813.2373764-1-angelogioacchino.delregno@collabora.com> References: <20230601110813.2373764-1-angelogioacchino.delregno@collabora.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-leds@vger.kernel.org There is only one instance of using this macro and it's anyway not simplifying the flow, or increasing the readability of this driver. Drop this macro by open coding it in mt6323_led_set_blink(). No functional changes. Signed-off-by: AngeloGioacchino Del Regno Reviewed-by: Alexandre Mergnat --- drivers/leds/leds-mt6323.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/leds/leds-mt6323.c b/drivers/leds/leds-mt6323.c index dae782de09c4..f8bd9f17e89c 100644 --- a/drivers/leds/leds-mt6323.c +++ b/drivers/leds/leds-mt6323.c @@ -57,8 +57,6 @@ #define ISINK_CH_EN(i) BIT(i) #define MAX_SUPPORTED_LEDS 8 -#define MT6323_CAL_HW_DUTY(o, p, u) DIV_ROUND_CLOSEST((o) * 100000ul,\ - (p) * (u)) struct mt6323_leds; @@ -316,7 +314,7 @@ static int mt6323_led_set_blink(struct led_classdev *cdev, * Calculate duty_hw based on the percentage of period during * which the led is ON. */ - duty_hw = MT6323_CAL_HW_DUTY(*delay_on, period, spec->unit_duty); + duty_hw = DIV_ROUND_CLOSEST(*delay_on * 100000ul, period * spec->unit_duty); /* hardware doesn't support zero duty cycle. */ if (!duty_hw) From patchwork Thu Jun 1 11:08:12 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: AngeloGioacchino Del Regno X-Patchwork-Id: 688613 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 269E3C7EE39 for ; Thu, 1 Jun 2023 11:08:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233071AbjFALIi (ORCPT ); Thu, 1 Jun 2023 07:08:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57592 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232853AbjFALIe (ORCPT ); Thu, 1 Jun 2023 07:08:34 -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 94C70133; Thu, 1 Jun 2023 04:08:26 -0700 (PDT) Received: from IcarusMOD.eternityproject.eu (unknown [IPv6:2001:b07:2ed:14ed:a962:cd4d:a84:1eab]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by madras.collabora.co.uk (Postfix) with ESMTPSA id A75DE66003B1; Thu, 1 Jun 2023 12:08:24 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1685617705; bh=rtkU/LXfohClR1Fp46CLmRkHJo8bXflFgsmdF+fF9IQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=R3IqwhnCOUQ5YmTsSOqw9XdFRg+83XHDCkTO62ylLR0xe/WV4OpHY9agl0/YzJadB qf6XaEV3z5M9Z4NWgfqathD5tfvjH5WTv6bsw2v4lCLEugFVGJdrac28A013ig+XFX APMTSf8Dg/3JjFno1S+ERcfKzsd7J92Uu3GPyFpvNx0XnfXoQfoZwBN9mOtPRRshK6 NTStgOTinKjaOHfXYfgbN2b9X7jC3Nli9fUPrIvRetgGeeVtT845LmW6LYBZBaW6tr 3SwlBd5WLThvFN4qJ3ClTA4pjBgjktrFvJxCypl9xSXCWzLAfzMeS4f3A4EgIrVYvh Os795yIVjI1jA== From: AngeloGioacchino Del Regno To: pavel@ucw.cz Cc: lee@kernel.org, sean.wang@mediatek.com, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, matthias.bgg@gmail.com, linux-leds@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, kernel@collabora.com, AngeloGioacchino Del Regno , Alexandre Mergnat Subject: [PATCH v3 7/8] leds: leds-mt6323: Add support for MT6331 leds Date: Thu, 1 Jun 2023 13:08:12 +0200 Message-Id: <20230601110813.2373764-8-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230601110813.2373764-1-angelogioacchino.delregno@collabora.com> References: <20230601110813.2373764-1-angelogioacchino.delregno@collabora.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-leds@vger.kernel.org Add the register offsets for MT6331. The hwspec is the same as MT6323. Signed-off-by: AngeloGioacchino Del Regno Acked-by: Pavel Machek Reviewed-by: Alexandre Mergnat --- drivers/leds/leds-mt6323.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/drivers/leds/leds-mt6323.c b/drivers/leds/leds-mt6323.c index f8bd9f17e89c..85b056fcd94e 100644 --- a/drivers/leds/leds-mt6323.c +++ b/drivers/leds/leds-mt6323.c @@ -529,6 +529,17 @@ static const struct mt6323_regs mt6323_registers = { .isink_en_ctrl = 0x356, }; +static const struct mt6323_regs mt6331_registers = { + .top_ckpdn = (const u16[]){ 0x138, 0x13e, 0x144 }, + .num_top_ckpdn = 3, + .top_ckcon = (const u16[]){ 0x14c, 0x14a }, + .num_top_ckcon = 2, + .isink_con = (const u16[]){ 0x40c, 0x40e, 0x410, 0x412, 0x414 }, + .num_isink_con = 5, + .isink_max_regs = 4, /* ISINK[0..3] */ + .isink_en_ctrl = 0x43a, +}; + static const struct mt6323_hwspec mt6323_spec = { .max_period = 10000, .max_leds = 4, @@ -541,8 +552,14 @@ static const struct mt6323_data mt6323_pdata = { .spec = &mt6323_spec, }; +static const struct mt6323_data mt6331_pdata = { + .regs = &mt6331_registers, + .spec = &mt6323_spec, +}; + static const struct of_device_id mt6323_led_dt_match[] = { { .compatible = "mediatek,mt6323-led", .data = &mt6323_pdata}, + { .compatible = "mediatek,mt6331-led", .data = &mt6331_pdata }, {}, }; MODULE_DEVICE_TABLE(of, mt6323_led_dt_match); From patchwork Thu Jun 1 11:08:13 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: AngeloGioacchino Del Regno X-Patchwork-Id: 688612 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0EF16C7EE2F for ; Thu, 1 Jun 2023 11:08:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232339AbjFALIs (ORCPT ); Thu, 1 Jun 2023 07:08:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57594 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232959AbjFALIg (ORCPT ); Thu, 1 Jun 2023 07:08:36 -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 7FD92137; Thu, 1 Jun 2023 04:08:27 -0700 (PDT) Received: from IcarusMOD.eternityproject.eu (unknown [IPv6:2001:b07:2ed:14ed:a962:cd4d:a84:1eab]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by madras.collabora.co.uk (Postfix) with ESMTPSA id 986D16601F25; Thu, 1 Jun 2023 12:08:25 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1685617706; bh=DPBhltzyuRCNEl6YGHUeKrC3g1X5wZMtA70z/OT6qms=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=cnulaFYHEGSZCT8dmjHog+VB8vhpxF6W+y0HyyAgtnEYv3dKHfok+qXzhAvxp7YHq KxobKxq0yEHFaVmq4rq4p0OPlDhvxn5yZ5KxDZllY5eLSqQmKWqoybzw9OhaoOdxk/ UC0LGdu9olnUj4NxhHSLYUQHhGkXs90g09EtoSKAdEF1priJeyMU+N15Fo/odQ9rKQ WuissTVUqHezI9VePetKjAtBvw5U4x+GHZb1A4Ad/yW2dmim4Jv8J1ESZe+LgbIMko DA0kXFbT1KbLJ3j+5Hc09NBH90CmmE1SQmzIdb8HPcbevClgzNMG1naycgaJ4APxTx Wn0nn/+lhksrA== From: AngeloGioacchino Del Regno To: pavel@ucw.cz Cc: lee@kernel.org, sean.wang@mediatek.com, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, matthias.bgg@gmail.com, linux-leds@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, kernel@collabora.com, AngeloGioacchino Del Regno Subject: [PATCH v3 8/8] leds: leds-mt6323: Add support for WLEDs and MT6332 Date: Thu, 1 Jun 2023 13:08:13 +0200 Message-Id: <20230601110813.2373764-9-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230601110813.2373764-1-angelogioacchino.delregno@collabora.com> References: <20230601110813.2373764-1-angelogioacchino.delregno@collabora.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-leds@vger.kernel.org Add basic code to turn on and off WLEDs and wire up MT6332 support to take advantage of it. This is a simple approach due to the aforementioned PMIC supporting only on/off status so, at the time of writing, it is impossible for me to validate more advanced functionality due to lack of hardware. Signed-off-by: AngeloGioacchino Del Regno --- drivers/leds/leds-mt6323.c | 171 +++++++++++++++++++++++++++++++++++-- 1 file changed, 164 insertions(+), 7 deletions(-) diff --git a/drivers/leds/leds-mt6323.c b/drivers/leds/leds-mt6323.c index 85b056fcd94e..e8fecfc2e90a 100644 --- a/drivers/leds/leds-mt6323.c +++ b/drivers/leds/leds-mt6323.c @@ -20,6 +20,11 @@ #define RG_DRV_32K_CK_PDN BIT(11) #define RG_DRV_32K_CK_PDN_MASK BIT(11) +/* 32K/1M/6M clock common for WLED device */ +#define RG_VWLED_1M_CK_PDN BIT(0) +#define RG_VWLED_32K_CK_PDN BIT(12) +#define RG_VWLED_6M_CK_PDN BIT(13) + /* * Register field for TOP_CKPDN2 to enable * individual clock for LED device. @@ -71,7 +76,7 @@ struct mt6323_led { int id; struct mt6323_leds *parent; struct led_classdev cdev; - enum led_brightness current_brightness; + unsigned int current_brightness; }; /** @@ -84,6 +89,7 @@ struct mt6323_led { * @num_isink_con: Number of ISINKx_CON registers * @isink_max_regs: Number of ISINK[0..x] registers * @isink_en_ctrl: Offset to ISINK_EN_CTRL register + * @iwled_en_ctrl: Offset to IWLED_EN_CTRL register */ struct mt6323_regs { const u16 *top_ckpdn; @@ -94,18 +100,21 @@ struct mt6323_regs { u8 num_isink_con; u8 isink_max_regs; u16 isink_en_ctrl; + u16 iwled_en_ctrl; }; /** * struct mt6323_hwspec - hardware specific parameters * @max_period: Maximum period for all LEDs * @max_leds: Maximum number of supported LEDs + * @max_wleds: Maximum number of WLEDs * @max_brightness: Maximum brightness for all LEDs * @unit_duty: Steps of duty per period */ struct mt6323_hwspec { u16 max_period; u8 max_leds; + u8 max_wleds; u16 max_brightness; u16 unit_duty; }; @@ -377,6 +386,117 @@ static int mt6323_led_set_brightness(struct led_classdev *cdev, return ret; } +static int mtk_wled_hw_on(struct led_classdev *cdev) +{ + struct mt6323_led *led = container_of(cdev, struct mt6323_led, cdev); + struct mt6323_leds *leds = led->parent; + const struct mt6323_regs *regs = leds->pdata->regs; + struct regmap *regmap = leds->hw->regmap; + int ret; + + ret = regmap_clear_bits(regmap, regs->top_ckpdn[0], RG_VWLED_32K_CK_PDN); + if (ret) + return ret; + + ret = regmap_clear_bits(regmap, regs->top_ckpdn[0], RG_VWLED_6M_CK_PDN); + if (ret) + return ret; + + ret = regmap_clear_bits(regmap, regs->top_ckpdn[0], RG_VWLED_1M_CK_PDN); + if (ret) + return ret; + + usleep_range(5000, 6000); + + /* Enable WLED channel pair */ + ret = regmap_set_bits(regmap, regs->iwled_en_ctrl, BIT(led->id)); + if (ret) + return ret; + + ret = regmap_set_bits(regmap, regs->iwled_en_ctrl, BIT(led->id + 1)); + if (ret) + return ret; + + return 0; +} + +static int mtk_wled_hw_off(struct led_classdev *cdev) +{ + struct mt6323_led *led = container_of(cdev, struct mt6323_led, cdev); + struct mt6323_leds *leds = led->parent; + const struct mt6323_regs *regs = leds->pdata->regs; + struct regmap *regmap = leds->hw->regmap; + int ret; + + ret = regmap_clear_bits(regmap, regs->iwled_en_ctrl, BIT(led->id + 1)); + if (ret) + return ret; + + ret = regmap_clear_bits(regmap, regs->iwled_en_ctrl, BIT(led->id)); + if (ret) + return ret; + + ret = regmap_set_bits(regmap, regs->top_ckpdn[0], RG_VWLED_32K_CK_PDN); + if (ret) + return ret; + + ret = regmap_set_bits(regmap, regs->top_ckpdn[0], RG_VWLED_6M_CK_PDN); + if (ret) + return ret; + + ret = regmap_set_bits(regmap, regs->top_ckpdn[0], RG_VWLED_1M_CK_PDN); + if (ret) + return ret; + + return 0; +} + +static unsigned int mt6323_get_wled_brightness(struct led_classdev *cdev) +{ + struct mt6323_led *led = container_of(cdev, struct mt6323_led, cdev); + struct mt6323_leds *leds = led->parent; + const struct mt6323_regs *regs = leds->pdata->regs; + struct regmap *regmap = leds->hw->regmap; + unsigned int status; + int ret; + + ret = regmap_read(regmap, regs->iwled_en_ctrl, &status); + if (ret) + return 0; + + /* Always two channels per WLED */ + status &= BIT(led->id) | BIT(led->id + 1); + + return status ? led->current_brightness : 0; +} + +static int mt6323_wled_set_brightness(struct led_classdev *cdev, + unsigned int brightness) +{ + struct mt6323_led *led = container_of(cdev, struct mt6323_led, cdev); + struct mt6323_leds *leds = led->parent; + int ret = 0; + + mutex_lock(&leds->lock); + + if (brightness) { + if (!led->current_brightness) + ret = mtk_wled_hw_on(cdev); + if (ret) + goto out; + } else { + ret = mtk_wled_hw_off(cdev); + if (ret) + goto out; + } + + led->current_brightness = brightness; +out: + mutex_unlock(&leds->lock); + + return ret; +} + static int mt6323_led_set_dt_default(struct led_classdev *cdev, struct device_node *np) { @@ -416,6 +536,7 @@ static int mt6323_led_probe(struct platform_device *pdev) int ret; unsigned int status; u32 reg; + u8 max_leds; leds = devm_kzalloc(dev, sizeof(*leds), GFP_KERNEL); if (!leds) @@ -426,6 +547,7 @@ static int mt6323_led_probe(struct platform_device *pdev) leds->pdata = device_get_match_data(dev); regs = leds->pdata->regs; spec = leds->pdata->spec; + max_leds = spec->max_leds + spec->max_wleds; /* * leds->hw points to the underlying bus for the register @@ -445,6 +567,7 @@ static int mt6323_led_probe(struct platform_device *pdev) for_each_available_child_of_node(np, child) { struct led_init_data init_data = {}; + bool is_wled; ret = of_property_read_u32(child, "reg", ®); if (ret) { @@ -452,7 +575,7 @@ static int mt6323_led_probe(struct platform_device *pdev) goto put_child_node; } - if (reg >= spec->max_leds || reg >= MAX_SUPPORTED_LEDS || + if (reg >= max_leds || reg >= MAX_SUPPORTED_LEDS || leds->led[reg]) { dev_err(dev, "Invalid led reg %u\n", reg); ret = -EINVAL; @@ -465,14 +588,24 @@ static int mt6323_led_probe(struct platform_device *pdev) goto put_child_node; } + is_wled = of_property_read_bool(child, "mediatek,is-wled"); + leds->led[reg] = led; leds->led[reg]->id = reg; leds->led[reg]->cdev.max_brightness = spec->max_brightness; - leds->led[reg]->cdev.brightness_set_blocking = - mt6323_led_set_brightness; - leds->led[reg]->cdev.blink_set = mt6323_led_set_blink; - leds->led[reg]->cdev.brightness_get = - mt6323_get_led_hw_brightness; + + if (is_wled) { + leds->led[reg]->cdev.brightness_set_blocking = + mt6323_wled_set_brightness; + leds->led[reg]->cdev.brightness_get = + mt6323_get_wled_brightness; + } else { + leds->led[reg]->cdev.brightness_set_blocking = + mt6323_led_set_brightness; + leds->led[reg]->cdev.blink_set = mt6323_led_set_blink; + leds->led[reg]->cdev.brightness_get = + mt6323_get_led_hw_brightness; + } leds->led[reg]->parent = leds; ret = mt6323_led_set_dt_default(&leds->led[reg]->cdev, child); @@ -540,6 +673,17 @@ static const struct mt6323_regs mt6331_registers = { .isink_en_ctrl = 0x43a, }; +static const struct mt6323_regs mt6332_registers = { + .top_ckpdn = (const u16[]){ 0x8094, 0x809a, 0x80a0 }, + .num_top_ckpdn = 3, + .top_ckcon = (const u16[]){ 0x80a6, 0x80ac }, + .num_top_ckcon = 2, + .isink_con = (const u16[]){ 0x8cd4 }, + .num_isink_con = 1, + .isink_max_regs = 12, /* IWLED[0..2, 3..9] */ + .iwled_en_ctrl = 0x8cda, +}; + static const struct mt6323_hwspec mt6323_spec = { .max_period = 10000, .max_leds = 4, @@ -547,6 +691,13 @@ static const struct mt6323_hwspec mt6323_spec = { .unit_duty = 3125, }; +static const struct mt6323_hwspec mt6332_spec = { + /* There are no LEDs in MT6332. Only WLEDs are present. */ + .max_leds = 0, + .max_wleds = 1, + .max_brightness = 1024, +}; + static const struct mt6323_data mt6323_pdata = { .regs = &mt6323_registers, .spec = &mt6323_spec, @@ -557,9 +708,15 @@ static const struct mt6323_data mt6331_pdata = { .spec = &mt6323_spec, }; +static const struct mt6323_data mt6332_pdata = { + .regs = &mt6332_registers, + .spec = &mt6332_spec, +}; + static const struct of_device_id mt6323_led_dt_match[] = { { .compatible = "mediatek,mt6323-led", .data = &mt6323_pdata}, { .compatible = "mediatek,mt6331-led", .data = &mt6331_pdata }, + { .compatible = "mediatek,mt6332-led", .data = &mt6332_pdata }, {}, }; MODULE_DEVICE_TABLE(of, mt6323_led_dt_match);