{"id":2230935,"url":"http://patchwork.ozlabs.org/api/1.2/patches/2230935/?format=json","web_url":"http://patchwork.ozlabs.org/project/uboot/patch/20260430084414.1354490-9-richard.genoud@bootlin.com/","project":{"id":18,"url":"http://patchwork.ozlabs.org/api/1.2/projects/18/?format=json","name":"U-Boot","link_name":"uboot","list_id":"u-boot.lists.denx.de","list_email":"u-boot@lists.denx.de","web_url":null,"scm_url":null,"webscm_url":null,"list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20260430084414.1354490-9-richard.genoud@bootlin.com>","list_archive_url":null,"date":"2026-04-30T08:44:01","name":"[08/20] ram: k3-ddrss: Add j722s DDR resume sequence","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"4dd7426fa32a25404118fcaa78f8064f5e3667b7","submitter":{"id":88519,"url":"http://patchwork.ozlabs.org/api/1.2/people/88519/?format=json","name":"Richard Genoud (TI)","email":"richard.genoud@bootlin.com"},"delegate":{"id":3651,"url":"http://patchwork.ozlabs.org/api/1.2/users/3651/?format=json","username":"trini","first_name":"Tom","last_name":"Rini","email":"trini@ti.com"},"mbox":"http://patchwork.ozlabs.org/project/uboot/patch/20260430084414.1354490-9-richard.genoud@bootlin.com/mbox/","series":[{"id":502237,"url":"http://patchwork.ozlabs.org/api/1.2/series/502237/?format=json","web_url":"http://patchwork.ozlabs.org/project/uboot/list/?series=502237","date":"2026-04-30T08:43:53","name":"Introduce resume for J7xx SoCs","version":1,"mbox":"http://patchwork.ozlabs.org/series/502237/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2230935/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2230935/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=pass (2048-bit key;\n unprotected) header.d=bootlin.com header.i=@bootlin.com header.a=rsa-sha256\n header.s=dkim header.b=n3MOy2g8;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de\n (client-ip=85.214.62.61; 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a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim;\n t=1777538686; h=from:subject:date:message-id:to:cc:mime-version:\n content-transfer-encoding:in-reply-to:references;\n bh=tamCrCnbtBIcrVM4B7Q2JQLWUs6VKsgVY7Vj8nVKd5A=;\n b=n3MOy2g8mefZBaWw9kpkjeOmQNX4TYMTFIXRxK/0C3UXS+g9UlkZeeukWa5QGzSiomWDey\n v4nCGQ8PFhWXthJjJitXuyTFoRjTYgTiemnTS4c/QZnf598c8KtKSKxBas5iByczvIqk9f\n kMiM+ZG6EAlJLP5WTRC/0wVOPTLyyk+O04Tz27zGNqkTnH+9xsjQVBOgliFY9KF1lq/3uy\n 37R/siEXY7bZ2awjov7B1kWWiyCe+KSX21G1RBbetHAIhIPUmpbKI1XBJFoy2m2CI2O/Z9\n 326NbYpJNu8Nu/TCP83qtjrtaaGrH/1zjTmtG/aVCj8VH6QtZ7rh/JCpsjs8nA==","From":"\"Richard Genoud (TI)\" ","To":"Tom Rini , Manorit Chawdhry ,\n Apurva Nandan , \"Andrew F . Davis\" ,\n Vignesh Raghavendra , Bryan Brattlof ,\n Vaishnav Achath , Jayesh Choudhary ,\n Simon Glass , Alper Nebi Yasak ","Cc":"Markus Schneider-Pargmann ,\n Udit Kumar ,\n Abhash Kumar ,\n Thomas Richard ,\n Gregory CLEMENT ,\n Thomas Petazzoni ,\n Richard Genoud , u-boot@lists.denx.de","Subject":"[PATCH 08/20] ram: k3-ddrss: Add j722s DDR resume sequence","Date":"Thu, 30 Apr 2026 10:44:01 +0200","Message-ID":"<20260430084414.1354490-9-richard.genoud@bootlin.com>","X-Mailer":"git-send-email 2.47.3","In-Reply-To":"<20260430084414.1354490-1-richard.genoud@bootlin.com>","References":"<20260430084414.1354490-1-richard.genoud@bootlin.com>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","X-Last-TLS-Session-Version":"TLSv1.3","X-BeenThere":"u-boot@lists.denx.de","X-Mailman-Version":"2.1.39","Precedence":"list","List-Id":"U-Boot discussion ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"u-boot-bounces@lists.denx.de","Sender":"\"U-Boot\" ","X-Virus-Scanned":"clamav-milter 0.103.8 at phobos.denx.de","X-Virus-Status":"Clean"},"content":"As the j722s and am62p resume sequence differs on the way they are\ndetecting that the board is resuming, we should have a specific\ncompatible for each one of them.\n\nFor that purpose, introduce ti,j722s-ddrss compatible.\n\nSigned-off-by: Richard Genoud (TI) \n---\n arch/arm/dts/k3-j722s-r5-evm.dts | 4 ++++\n drivers/ram/k3-ddrss/k3-ddrss.c | 12 ++++++++++++\n 2 files changed, 16 insertions(+)","diff":"diff --git a/arch/arm/dts/k3-j722s-r5-evm.dts b/arch/arm/dts/k3-j722s-r5-evm.dts\nindex e1ef5d181ed7..cc4a5910673b 100644\n--- a/arch/arm/dts/k3-j722s-r5-evm.dts\n+++ b/arch/arm/dts/k3-j722s-r5-evm.dts\n@@ -11,6 +11,10 @@\n #include \"k3-am62a-ddr.dtsi\"\n #include \"k3-j722s-r5.dtsi\"\n \n+&memorycontroller {\n+\tcompatible = \"ti,j722s-ddrss\", \"ti,am62a-ddrss\";\n+};\n+\n /* WKUP UART0 is used for DM firmware logs */\n &wkup_uart0 {\n \tstatus = \"okay\";\ndiff --git a/drivers/ram/k3-ddrss/k3-ddrss.c b/drivers/ram/k3-ddrss/k3-ddrss.c\nindex 7b2d2e0814b8..7b23123ab00d 100644\n--- a/drivers/ram/k3-ddrss/k3-ddrss.c\n+++ b/drivers/ram/k3-ddrss/k3-ddrss.c\n@@ -1283,6 +1283,11 @@ static int k3_ddrss_get_info(struct udevice *dev, struct ram_info *info)\n \treturn 0;\n }\n \n+__weak bool j7xx_board_is_resuming(void)\n+{\n+\treturn false;\n+}\n+\n static struct ram_ops k3_ddrss_ops = {\n \t.get_info = k3_ddrss_get_info,\n };\n@@ -1301,11 +1306,18 @@ static const struct k3_ddrss_data j721s2_data = {\n \t.flags = MULTI_DDR_SUBSYSTEM,\n };\n \n+static const struct k3_ddrss_data j722s_data = {\n+\t.flags = SINGLE_DDR_SUBSYSTEM,\n+\t.is_lpm_resume = j7xx_board_is_resuming,\n+\t.ddrss_deassert_retention = am62xx_ddrss_deassert_retention,\n+};\n+\n static const struct udevice_id k3_ddrss_ids[] = {\n \t{.compatible = \"ti,am62a-ddrss\", .data = (ulong)&am62xx_data, },\n \t{.compatible = \"ti,am64-ddrss\", .data = (ulong)&k3_data, },\n \t{.compatible = \"ti,j721e-ddrss\", .data = (ulong)&k3_data, },\n \t{.compatible = \"ti,j721s2-ddrss\", .data = (ulong)&j721s2_data, },\n+\t{.compatible = \"ti,j722s-ddrss\", .data = (ulong)&j722s_data, },\n \t{}\n };\n \n","prefixes":["08/20"]}