{"id":2225509,"url":"http://patchwork.ozlabs.org/api/patches/2225509/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260421053140.752059-14-joel@jms.id.au/","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/projects/14/?format=json","name":"QEMU Development","link_name":"qemu-devel","list_id":"qemu-devel.nongnu.org","list_email":"qemu-devel@nongnu.org","web_url":"","scm_url":"","webscm_url":"","list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20260421053140.752059-14-joel@jms.id.au>","list_archive_url":null,"date":"2026-04-21T05:31:38","name":"[v3,13/13] hw/riscv/atlantis: Add some i2c peripherals","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"a3c147d58aed84eab511ee362d0a66e563774421","submitter":{"id":48628,"url":"http://patchwork.ozlabs.org/api/people/48628/?format=json","name":"Joel Stanley","email":"joel@jms.id.au"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260421053140.752059-14-joel@jms.id.au/mbox/","series":[{"id":500733,"url":"http://patchwork.ozlabs.org/api/series/500733/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/list/?series=500733","date":"2026-04-21T05:31:26","name":"hw/riscv: Add the Tenstorrent Atlantis machine","version":3,"mbox":"http://patchwork.ozlabs.org/series/500733/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2225509/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2225509/checks/","tags":{},"related":[],"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=msoyVbd2;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists1p.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)"],"Received":["from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4g0B0K5gfqz1yCv\n\tfor ; Tue, 21 Apr 2026 15:35:45 +1000 (AEST)","from localhost ([::1] helo=lists1p.gnu.org)\n\tby lists1p.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from )\n\tid 1wF3kR-0001FO-DO; Tue, 21 Apr 2026 01:34:11 -0400","from eggs.gnu.org ([2001:470:142:3::10])\n by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from )\n id 1wF3kN-0000nJ-6S\n for qemu-devel@nongnu.org; Tue, 21 Apr 2026 01:34:08 -0400","from mail-pj1-x102f.google.com ([2607:f8b0:4864:20::102f])\n by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128)\n (Exim 4.90_1) (envelope-from )\n id 1wF3kK-0004bB-3r\n for qemu-devel@nongnu.org; Tue, 21 Apr 2026 01:34:06 -0400","by mail-pj1-x102f.google.com with SMTP id\n 98e67ed59e1d1-362bb3260f1so200740a91.2\n for ; Mon, 20 Apr 2026 22:34:03 -0700 (PDT)","from donnager-debian.. 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These are not present\non the board but help for testing.\n\nSigned-off-by: Joel Stanley \n---\nv3: Use HWADDR_PRIX in i2c device string consistent\n---\n hw/riscv/tt_atlantis.c | 18 ++++++++++++++++++\n hw/riscv/Kconfig | 2 ++\n 2 files changed, 20 insertions(+)","diff":"diff --git a/hw/riscv/tt_atlantis.c b/hw/riscv/tt_atlantis.c\nindex bf08b7ed320e..5a6149064f1a 100644\n--- a/hw/riscv/tt_atlantis.c\n+++ b/hw/riscv/tt_atlantis.c\n@@ -505,6 +505,19 @@ static void create_fdt_i2c(void *fdt, const MemMapEntry *mem, uint32_t irq,\n qemu_fdt_setprop_cell(fdt, name, \"#size-cells\", 0);\n }\n \n+static void create_fdt_i2c_device(TTAtlantisState *s, int bus,\n+ const char *compat, int addr)\n+{\n+ void *fdt = MACHINE(s)->fdt;\n+ hwaddr base = s->memmap[TT_ATL_I2C0 + bus].base;\n+ g_autofree char *name = g_strdup_printf(\"/soc/i2c@%\"HWADDR_PRIX\"/sensor@%x\",\n+ base, addr);\n+\n+ qemu_fdt_add_subnode(fdt, name);\n+ qemu_fdt_setprop_string(fdt, name, \"compatible\", compat);\n+ qemu_fdt_setprop_cell(fdt, name, \"reg\", addr);\n+}\n+\n static void finalize_fdt(TTAtlantisState *s)\n {\n uint32_t aplic_s_phandle = next_phandle();\n@@ -542,6 +555,9 @@ static void finalize_fdt(TTAtlantisState *s)\n TT_ATL_I2C0_IRQ + i,\n aplic_s_phandle, periph_clk_phandle);\n }\n+\n+ create_fdt_i2c_device(s, 0, \"national,lm75\", 0x48);\n+ create_fdt_i2c_device(s, 0, \"dallas,ds1338\", 0x6f);\n }\n \n static void create_fdt(TTAtlantisState *s)\n@@ -870,6 +886,8 @@ static void tt_atlantis_machine_init(MachineState *machine)\n sysbus_connect_irq(SYS_BUS_DEVICE(&s->i2c[i]), 0,\n qdev_get_gpio_in(s->irqchip, TT_ATL_I2C0_IRQ + i));\n }\n+ i2c_slave_create_simple(s->i2c[0].bus, \"ds1338\", 0x6f);\n+ i2c_slave_create_simple(s->i2c[0].bus, \"tmp105\", 0x48);\n \n /* Load or create device tree */\n if (machine->dtb) {\ndiff --git a/hw/riscv/Kconfig b/hw/riscv/Kconfig\nindex 4c2cf01995e7..a4427ba79807 100644\n--- a/hw/riscv/Kconfig\n+++ b/hw/riscv/Kconfig\n@@ -137,6 +137,8 @@ config TENSTORRENT\n select RISCV_IMSIC\n select FW_CFG_DMA\n select DESIGNWARE_I2C\n+ select DS1338\n+ select TMP105\n \n config XIANGSHAN_KUNMINGHU\n bool\n","prefixes":["v3","13/13"]}