From patchwork Fri Oct 4 17:32:31 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Biju Das X-Patchwork-Id: 13822853 X-Patchwork-Delegate: geert@linux-m68k.org Received: from relmlie5.idc.renesas.com (relmlor1.renesas.com [210.160.252.171]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 1BD221CACF8; Fri, 4 Oct 2024 17:32:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=210.160.252.171 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728063175; cv=none; b=WlSUH8QYbsOWFTHMV9tOgKcReomuUZUop5LntXLp+14q/tdc8TYx9KTxrWGCvF+/ebnj4peI3yPceIEbWsbY5zim/exB63IeGJQS9rta0qnlzwykpv1LjI8ZG2wtIlkSNmahgwLOxU+7WO08VOiaqxIb67xb8FSnmv+xE+A9YkA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728063175; c=relaxed/simple; bh=8OEclcXQ9gmedC8tB1KsQnpNpNvEQ+2iqyrl5hja05A=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Ob7Wi7mhObiEYhDSGuAlYSasrqwGkMM9htnsiU9IasNaiCCerr3WmJHI5uUvRRnCkPtBdxX3DSCts3MxZZX/2qjywEIWXoRLMecowstJyd4MK6iugLyL4THwB3ff/j6asH2k6KVjO53qW1BAI0peCg/bY/MyYtknu42EDpc3hCU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=bp.renesas.com; spf=pass smtp.mailfrom=bp.renesas.com; arc=none smtp.client-ip=210.160.252.171 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=bp.renesas.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bp.renesas.com X-IronPort-AV: E=Sophos;i="6.11,178,1725289200"; d="scan'208";a="220831323" Received: from unknown (HELO relmlir6.idc.renesas.com) ([10.200.68.152]) by relmlie5.idc.renesas.com with ESMTP; 05 Oct 2024 02:32:46 +0900 Received: from localhost.localdomain (unknown [10.226.92.178]) by relmlir6.idc.renesas.com (Postfix) with ESMTP id AAF5E403136C; Sat, 5 Oct 2024 02:32:42 +0900 (JST) From: Biju Das To: Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: Biju Das , Geert Uytterhoeven , Magnus Damm , Paul Walmsley , Palmer Dabbelt , Albert Ou , linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, Prabhakar Mahadev Lad , Biju Das Subject: [PATCH v5 1/2] arm64: dts: renesas: rzg2ul-smarc-som: Enable serial NOR flash Date: Fri, 4 Oct 2024 18:32:31 +0100 Message-ID: <20241004173235.74307-2-biju.das.jz@bp.renesas.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241004173235.74307-1-biju.das.jz@bp.renesas.com> References: <20241004173235.74307-1-biju.das.jz@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-renesas-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Enable Renesas at25ql128a flash connected to QSPI0. Also disable the node from rzfive-smarc-som as it is untested. Tested the flash by flashing bootloaders: flash_erase /dev/mtd0 0 0 flash_erase /dev/mtd1 0 0 mtd_debug write /dev/mtd0 0 ${BL2_FILE_SIZE} ${BL2_IMAGE} mtd_debug write /dev/mtd1 512 ${FIP_FILE_SIZE} ${FIP_IMAGE} Signed-off-by: Biju Das Reviewed-by: Geert Uytterhoeven --- v4->v5: * Updated bl2 size to 0x1d000 v3->v4: * Updated commit description. * Updated partition table. v2->v3: * Dropped subnodes, as all pins use the same power-source value. v1->v2: * Enabled 4-bit tx support --- .../boot/dts/renesas/rzg2ul-smarc-som.dtsi | 45 +++++++++++++++++++ .../boot/dts/renesas/rzfive-smarc-som.dtsi | 4 ++ 2 files changed, 49 insertions(+) diff --git a/arch/arm64/boot/dts/renesas/rzg2ul-smarc-som.dtsi b/arch/arm64/boot/dts/renesas/rzg2ul-smarc-som.dtsi index 79443fb3f581..90cfe4242243 100644 --- a/arch/arm64/boot/dts/renesas/rzg2ul-smarc-som.dtsi +++ b/arch/arm64/boot/dts/renesas/rzg2ul-smarc-som.dtsi @@ -201,6 +201,12 @@ irq { }; }; + qspi0_pins: qspi0 { + pins = "QSPI0_IO0", "QSPI0_IO1", "QSPI0_IO2", "QSPI0_IO3", + "QSPI0_SPCLK", "QSPI0_SSL"; + power-source = <1800>; + }; + sdhi0_emmc_pins: sd0emmc { sd0_emmc_data { pins = "SD0_DATA0", "SD0_DATA1", "SD0_DATA2", "SD0_DATA3", @@ -252,6 +258,45 @@ sd0_mux_uhs { }; }; +&sbc { + pinctrl-0 = <&qspi0_pins>; + pinctrl-names = "default"; + status = "okay"; + + flash@0 { + compatible = "jedec,spi-nor"; + reg = <0>; + spi-max-frequency = <50000000>; + spi-tx-bus-width = <4>; + spi-rx-bus-width = <4>; + + spi-cpol; + spi-cpha; + m25p,fast-read; + + partitions { + compatible = "fixed-partitions"; + #address-cells = <1>; + #size-cells = <1>; + + partition@0 { + label = "bl2"; + reg = <0x00000000 0x0001d000>; + }; + + partition@1d000 { /* fip is at offset 0x200 */ + label = "fip"; + reg = <0x0001d000 0x7e3000>; + }; + + partition@800000 { + label = "user"; + reg = <0x800000 0x800000>; + }; + }; + }; +}; + #if (SW_SW0_DEV_SEL) &sdhi0 { pinctrl-0 = <&sdhi0_emmc_pins>; diff --git a/arch/riscv/boot/dts/renesas/rzfive-smarc-som.dtsi b/arch/riscv/boot/dts/renesas/rzfive-smarc-som.dtsi index 5e808242649e..86b2f15375ec 100644 --- a/arch/riscv/boot/dts/renesas/rzfive-smarc-som.dtsi +++ b/arch/riscv/boot/dts/renesas/rzfive-smarc-som.dtsi @@ -6,3 +6,7 @@ */ #include + +&sbc { + status = "disabled"; +};