mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: Apurva Nandan <a-nandan@ti.com>
To: Nishanth Menon <nm@ti.com>, Vignesh Raghavendra <vigneshr@ti.com>,
	Tero Kristo <kristo@kernel.org>, Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	<linux-arm-kernel@lists.infradead.org>,
	<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Cc: Apurva Nandan <a-nandan@ti.com>, Dhruva Gole <d-gole@ti.com>,
	Udit Kumar <u-kumar1@ti.com>, Vaishnav Achath <vaishnav.a@ti.com>
Subject: [PATCH v3 1/2] arm64: dts: ti: k3-j784s4-mcu-wakeup: Add FSS OSPI0 and FSS OSPI1
Date: Thu, 4 May 2023 13:33:04 +0530	[thread overview]
Message-ID: <20230504080305.38986-2-a-nandan@ti.com> (raw)
In-Reply-To: <20230504080305.38986-1-a-nandan@ti.com>

TI K3 J784S4 has the Cadence OSPI controllers OSPI0 and OSPI1 on FSS
bus for interfacing with OSPI flashes. Add the nodes to allow using
SPI flashes.

Signed-off-by: Apurva Nandan <a-nandan@ti.com>
---
 .../boot/dts/ti/k3-j784s4-mcu-wakeup.dtsi     | 41 +++++++++++++++++++
 1 file changed, 41 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-mcu-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4-mcu-wakeup.dtsi
index f04fcb614cbe..91c8e0bf8ce0 100644
--- a/arch/arm64/boot/dts/ti/k3-j784s4-mcu-wakeup.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j784s4-mcu-wakeup.dtsi
@@ -342,4 +342,45 @@
 			ti,cpts-periodic-outputs = <2>;
 		};
 	};
+
+	fss: bus@47000000 {
+		compatible = "simple-bus";
+		reg = <0x00 0x47000000 0x00 0x100>;
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		ospi0: spi@47040000 {
+			compatible = "ti,am654-ospi", "cdns,qspi-nor";
+			reg = <0x00 0x47040000 0x00 0x100>,
+			      <0x05 0x0000000 0x01 0x0000000>;
+			interrupts = <GIC_SPI 840 IRQ_TYPE_LEVEL_HIGH>;
+			cdns,fifo-depth = <256>;
+			cdns,fifo-width = <4>;
+			cdns,trigger-address = <0x0>;
+			clocks = <&k3_clks 161 7>;
+			assigned-clocks = <&k3_clks 161 7>;
+			assigned-clock-parents = <&k3_clks 161 9>;
+			assigned-clock-rates = <166666666>;
+			power-domains = <&k3_pds 161 TI_SCI_PD_EXCLUSIVE>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
+		ospi1: spi@47050000 {
+			compatible = "ti,am654-ospi", "cdns,qspi-nor";
+			reg = <0x00 0x47050000 0x00 0x100>,
+			      <0x07 0x0000000 0x01 0x0000000>;
+			interrupts = <GIC_SPI 841 IRQ_TYPE_LEVEL_HIGH>;
+			cdns,fifo-depth = <256>;
+			cdns,fifo-width = <4>;
+			cdns,trigger-address = <0x0>;
+			clocks = <&k3_clks 162 7>;
+			power-domains = <&k3_pds 162 TI_SCI_PD_EXCLUSIVE>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+	};
 };
-- 
2.17.1


  reply	other threads:[~2023-05-04  8:05 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-05-04  8:03 [PATCH v3 0/2] arm64: dts: ti: k3-j784s4-evm: Add support for OSPI and QSPI flashes Apurva Nandan
2023-05-04  8:03 ` Apurva Nandan [this message]
2023-05-04  8:03 ` [PATCH v3 2/2] " Apurva Nandan
2023-05-04  8:10 ` [PATCH v3 0/2] " Apurva Nandan
2023-06-15 10:47 ` Vignesh Raghavendra

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20230504080305.38986-2-a-nandan@ti.com \
    --to=a-nandan@ti.com \
    --cc=d-gole@ti.com \
    --cc=devicetree@vger.kernel.org \
    --cc=kristo@kernel.org \
    --cc=krzysztof.kozlowski+dt@linaro.org \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=nm@ti.com \
    --cc=robh+dt@kernel.org \
    --cc=u-kumar1@ti.com \
    --cc=vaishnav.a@ti.com \
    --cc=vigneshr@ti.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox

all inboxes | Powered by JetHome®