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[1.34.21.66]) by smtp.gmail.com with ESMTPSA id iw14-20020a170903044e00b001c5076ae6absm3409329plb.126.2023.11.12.22.34.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 12 Nov 2023 22:34:16 -0800 (PST) From: Potin Lai To: Patrick Venture Cc: qemu-devel@nongnu.org, Potin Lai Subject: [PATCH 1/1] hw/i2c: add pca9543 i2c-mux switch Date: Mon, 13 Nov 2023 14:31:56 +0800 Message-Id: <20231113063156.2264941-1-potin.lai.pt@gmail.com> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::635; envelope-from=potin.lai.pt@gmail.com; helo=mail-pl1-x635.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Mon, 13 Nov 2023 09:39:17 -0500 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Add pca9543 2-channel i2c-mux switch support. Signed-off-by: Potin Lai Reviewed-by: Patrick Venture Acked-by: Corey Minyard --- hw/i2c/i2c_mux_pca954x.c | 12 ++++++++++++ include/hw/i2c/i2c_mux_pca954x.h | 1 + 2 files changed, 13 insertions(+) diff --git a/hw/i2c/i2c_mux_pca954x.c b/hw/i2c/i2c_mux_pca954x.c index db5db956a6..6aace0fc47 100644 --- a/hw/i2c/i2c_mux_pca954x.c +++ b/hw/i2c/i2c_mux_pca954x.c @@ -30,6 +30,7 @@ #define PCA9548_CHANNEL_COUNT 8 #define PCA9546_CHANNEL_COUNT 4 +#define PCA9543_CHANNEL_COUNT 2 /* * struct Pca954xState - The pca954x state object. @@ -172,6 +173,12 @@ I2CBus *pca954x_i2c_get_bus(I2CSlave *mux, uint8_t channel) return pca954x->bus[channel]; } +static void pca9543_class_init(ObjectClass *klass, void *data) +{ + Pca954xClass *s = PCA954X_CLASS(klass); + s->nchans = PCA9543_CHANNEL_COUNT; +} + static void pca9546_class_init(ObjectClass *klass, void *data) { Pca954xClass *s = PCA954X_CLASS(klass); @@ -246,6 +253,11 @@ static const TypeInfo pca954x_info[] = { .class_init = pca954x_class_init, .abstract = true, }, + { + .name = TYPE_PCA9543, + .parent = TYPE_PCA954X, + .class_init = pca9543_class_init, + }, { .name = TYPE_PCA9546, .parent = TYPE_PCA954X, diff --git a/include/hw/i2c/i2c_mux_pca954x.h b/include/hw/i2c/i2c_mux_pca954x.h index 3dd25ec983..1da5508ed5 100644 --- a/include/hw/i2c/i2c_mux_pca954x.h +++ b/include/hw/i2c/i2c_mux_pca954x.h @@ -3,6 +3,7 @@ #include "hw/i2c/i2c.h" +#define TYPE_PCA9543 "pca9543" #define TYPE_PCA9546 "pca9546" #define TYPE_PCA9548 "pca9548"