From patchwork Mon Feb 6 19:49:36 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Titus Rwantare X-Patchwork-Id: 13130545 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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E0DA1C636D3 for ; Mon, 6 Feb 2023 19:50:54 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pP7Uw-0007hj-FQ; Mon, 06 Feb 2023 14:49:54 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <32lnhYwYKCjkodopnmbjjbgZ.XjhlZhp-YZqZgijibip.jmb@flex--titusr.bounces.google.com>) id 1pP7Ut-0007fz-SD for qemu-devel@nongnu.org; Mon, 06 Feb 2023 14:49:51 -0500 Received: from mail-yb1-xb49.google.com ([2607:f8b0:4864:20::b49]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from <32lnhYwYKCjkodopnmbjjbgZ.XjhlZhp-YZqZgijibip.jmb@flex--titusr.bounces.google.com>) id 1pP7Ur-0007tL-Gy for qemu-devel@nongnu.org; Mon, 06 Feb 2023 14:49:51 -0500 Received: by mail-yb1-xb49.google.com with SMTP id z9-20020a25ba49000000b007d4416e3667so12625266ybj.23 for ; Mon, 06 Feb 2023 11:49:48 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=9ABrUA5krIv7LfvsXEqxczxaHvxnH2HruiF60Riq0HE=; b=DlSNsRBhoPRYVT3NrHAWLtMTJbIOqrAPghBm/W/wmopCerf1PPI+LCDcFniockR3xo h4V+1/xvy4obUp4DOKeGFEAljQ3k5IYy/heXP2e8MRhPgSG1/iOuWJQEsNdhNcs7fMkn y+lOlLikRPChnkkB9XUkNb1zltKe/eMtYMN/Yc4UBeF0so5Ue4ekHwJIwFt7p650vLaD Lc1gwdcnQJyWHjyBkl7I/1N/7ucNfjpL9JETj37GT9zwTpLwSKOaZ7JWmJDDhhOVdFAB /toT77JzmeT+pn4BkqsZ60D/jIVAgTbKIFXPsV7PXrm9eW3HV3aEMdwxA23K9nzhSbhV lH1g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=9ABrUA5krIv7LfvsXEqxczxaHvxnH2HruiF60Riq0HE=; b=XzAnbDIWvc0o2XQAp77vpiu4e951UD55fCxrOEYDzGXvU3yJ0wrpQvnnMugbow/zdH jiaNhctRBi8b2frDCHOty239+VeSLAey8WShWx8FKn3/XfY+FFk6UCq9dzibfFBJ8iwp lQU+xV1mG6KaBnF9trl5mmVDg9fmDZYrIuapgGVAmzCvevM35l+psk876GC3cjwYCNp3 i+7dErYkjo9V9MqZtXpbT4PtVIaeR0a2k9dw0EFtGGNnxT7WWWVYp1tRDPJba8v9F5uq W9XxAIo1nbGC8PbZ9Xs3ZuXszh50c88d8IOObAYa2aW2gXDeBL3jsu9PbzBpw1ElSJRZ fUQQ== X-Gm-Message-State: AO0yUKVJTU/YW2Hjn1/oy70wbek0YgM40wzLVPM0AxK4iAUAuaM3UPdB k7B9YqkE6mubcivgBms9vlyHSJhVGcA= X-Google-Smtp-Source: AK7set9YgjPQchLIhO5KNC7lISmGcAO/WrKpPLMcem5LI8bghFmIUSFERMCdGs+AFp6dGVl+y9pmn6rR4Zk= X-Received: from titusr.c.googlers.com ([fda3:e722:ac3:cc00:14:4d90:c0a8:22b8]) (user=titusr job=sendgmr) by 2002:a25:dc6:0:b0:89a:3c0a:d6de with SMTP id 189-20020a250dc6000000b0089a3c0ad6demr0ybn.11.1675712986886; Mon, 06 Feb 2023 11:49:46 -0800 (PST) Date: Mon, 6 Feb 2023 19:49:36 +0000 In-Reply-To: <20230206194936.168843-1-titusr@google.com> Mime-Version: 1.0 References: <20230206194936.168843-1-titusr@google.com> X-Mailer: git-send-email 2.39.1.519.gcb327c4b5f-goog Message-ID: <20230206194936.168843-4-titusr@google.com> Subject: [PATCH 3/3] hw/gpio: add PCA9536 i2c gpio expander From: Titus Rwantare To: peter.maydell@linaro.org Cc: qemu-arm@nongnu.org, qemu-devel@nongnu.org, Titus Rwantare , Hao Wu Received-SPF: pass client-ip=2607:f8b0:4864:20::b49; envelope-from=32lnhYwYKCjkodopnmbjjbgZ.XjhlZhp-YZqZgijibip.jmb@flex--titusr.bounces.google.com; helo=mail-yb1-xb49.google.com X-Spam_score_int: -95 X-Spam_score: -9.6 X-Spam_bar: --------- X-Spam_report: (-9.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_MED=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, USER_IN_DEF_DKIM_WL=-7.5 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org This device has the same register layout as the pca9538, but 4 fewer gpio pins. This commit lowers the number of pins intialised, and reuses the pca9539 logic. Reviewed-by: Hao Wu Signed-off-by: Titus Rwantare --- hw/gpio/pca_i2c_gpio.c | 22 ++++++++++++++++++++++ include/hw/gpio/pca_i2c_gpio.h | 2 ++ 2 files changed, 24 insertions(+) diff --git a/hw/gpio/pca_i2c_gpio.c b/hw/gpio/pca_i2c_gpio.c index f77d8d7e84..66dd1d3369 100644 --- a/hw/gpio/pca_i2c_gpio.c +++ b/hw/gpio/pca_i2c_gpio.c @@ -414,6 +414,23 @@ static void pca9538_gpio_class_init(ObjectClass *klass, void *data) pc->num_pins = PCA9538_NUM_PINS; } +static void pca9536_gpio_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + I2CSlaveClass *k = I2C_SLAVE_CLASS(klass); + PCAGPIOClass *pc = PCA_I2C_GPIO_CLASS(klass); + + dc->desc = "PCA9536 4-bit I/O expander"; + dc->realize = pca_i2c_realize; + dc->vmsd = &vmstate_pca_i2c_gpio; + + k->event = pca_i2c_event; + k->recv = pca9538_recv; + k->send = pca9538_send; + + pc->num_pins = PCA9536_NUM_PINS; +} + static void pca_i2c_gpio_init(Object *obj) { PCAGPIOState *ps = PCA_I2C_GPIO(obj); @@ -455,6 +472,11 @@ static const TypeInfo pca_gpio_types[] = { .parent = TYPE_PCA_I2C_GPIO, .class_init = pca9538_gpio_class_init, }, + { + .name = TYPE_PCA9536_GPIO, + .parent = TYPE_PCA_I2C_GPIO, + .class_init = pca9536_gpio_class_init, + }, }; DEFINE_TYPES(pca_gpio_types); diff --git a/include/hw/gpio/pca_i2c_gpio.h b/include/hw/gpio/pca_i2c_gpio.h index 8cd268e8f0..3d2a88ba7b 100644 --- a/include/hw/gpio/pca_i2c_gpio.h +++ b/include/hw/gpio/pca_i2c_gpio.h @@ -19,6 +19,7 @@ #define PCA6416_NUM_PINS 16 #define PCA9538_NUM_PINS 8 +#define PCA9536_NUM_PINS 4 typedef struct PCAGPIOClass { I2CSlaveClass parent; @@ -75,5 +76,6 @@ OBJECT_DECLARE_TYPE(PCAGPIOState, PCAGPIOClass, PCA_I2C_GPIO) #define TYPE_PCA6416_GPIO "pca6416" #define TYPE_PCA9538_GPIO "pca9538" +#define TYPE_PCA9536_GPIO "pca9536" #endif