From: Vignesh Raghavendra <vigneshr@ti.com>
To: Nishanth Menon <nm@ti.com>, Tero Kristo <kristo@kernel.org>
Cc: Rob Herring <robh+dt@kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
Vignesh Raghavendra <vigneshr@ti.com>,
Pratyush Yadav <p.yadav@ti.com>,
Lokesh Vutla <lokeshvutla@ti.com>
Subject: [PATCH 2/2] arm64: dts: ti: k3-am64-evm/sk: Add OSPI flash DT node
Date: Tue, 9 Mar 2021 18:35:14 +0530 [thread overview]
Message-ID: <20210309130514.11740-2-vigneshr@ti.com> (raw)
In-Reply-To: <20210309130514.11740-1-vigneshr@ti.com>
Both AM64 EVM and SK have a 512Mb S28HS512T Octal SPI NOR flash.
Add DT node for the same.
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
---
Bootlog:
SK: https://pastebin.ubuntu.com/p/gvxg7cFrXH/
EVM: https://pastebin.ubuntu.com/p/jb39GqkB78/
arch/arm64/boot/dts/ti/k3-am642-evm.dts | 36 +++++++++++++++++++++++++
arch/arm64/boot/dts/ti/k3-am642-sk.dts | 36 +++++++++++++++++++++++++
2 files changed, 72 insertions(+)
diff --git a/arch/arm64/boot/dts/ti/k3-am642-evm.dts b/arch/arm64/boot/dts/ti/k3-am642-evm.dts
index 1f1787750fef..7dd8e94b108d 100644
--- a/arch/arm64/boot/dts/ti/k3-am642-evm.dts
+++ b/arch/arm64/boot/dts/ti/k3-am642-evm.dts
@@ -133,6 +133,22 @@ AM64X_IOPAD(0x0268, PIN_INPUT_PULLUP, 0) /* (C18) I2C1_SCL */
AM64X_IOPAD(0x026c, PIN_INPUT_PULLUP, 0) /* (B19) I2C1_SDA */
>;
};
+
+ ospi0_pins_default: ospi0-pins-default {
+ pinctrl-single,pins = <
+ AM64X_IOPAD(0x0000, PIN_OUTPUT, 0) /* (N20) OSPI0_CLK */
+ AM64X_IOPAD(0x002c, PIN_OUTPUT, 0) /* (L19) OSPI0_CSn0 */
+ AM64X_IOPAD(0x000c, PIN_INPUT, 0) /* (M19) OSPI0_D0 */
+ AM64X_IOPAD(0x0010, PIN_INPUT, 0) /* (M18) OSPI0_D1 */
+ AM64X_IOPAD(0x0014, PIN_INPUT, 0) /* (M20) OSPI0_D2 */
+ AM64X_IOPAD(0x0018, PIN_INPUT, 0) /* (M21) OSPI0_D3 */
+ AM64X_IOPAD(0x001c, PIN_INPUT, 0) /* (P21) OSPI0_D4 */
+ AM64X_IOPAD(0x0020, PIN_INPUT, 0) /* (P20) OSPI0_D5 */
+ AM64X_IOPAD(0x0024, PIN_INPUT, 0) /* (N18) OSPI0_D6 */
+ AM64X_IOPAD(0x0028, PIN_INPUT, 0) /* (M17) OSPI0_D7 */
+ AM64X_IOPAD(0x0008, PIN_INPUT, 0) /* (N19) OSPI0_DQS */
+ >;
+ };
};
&main_uart0 {
@@ -244,3 +260,23 @@ &sdhci1 {
ti,driver-strength-ohm = <50>;
disable-wp;
};
+
+&ospi0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&ospi0_pins_default>;
+
+ flash@0{
+ compatible = "jedec,spi-nor";
+ reg = <0x0>;
+ spi-tx-bus-width = <8>;
+ spi-rx-bus-width = <8>;
+ spi-max-frequency = <25000000>;
+ cdns,tshsl-ns = <60>;
+ cdns,tsd2d-ns = <60>;
+ cdns,tchsh-ns = <60>;
+ cdns,tslch-ns = <60>;
+ cdns,read-delay = <4>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ };
+};
diff --git a/arch/arm64/boot/dts/ti/k3-am642-sk.dts b/arch/arm64/boot/dts/ti/k3-am642-sk.dts
index aa6ca4c49153..fc27470fc083 100644
--- a/arch/arm64/boot/dts/ti/k3-am642-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am642-sk.dts
@@ -90,6 +90,22 @@ AM64X_IOPAD(0x0268, PIN_INPUT_PULLUP, 0) /* (C18) I2C1_SCL */
AM64X_IOPAD(0x026c, PIN_INPUT_PULLUP, 0) /* (B19) I2C1_SDA */
>;
};
+
+ ospi0_pins_default: ospi0-pins-default {
+ pinctrl-single,pins = <
+ AM64X_IOPAD(0x0000, PIN_OUTPUT, 0) /* (N20) OSPI0_CLK */
+ AM64X_IOPAD(0x002c, PIN_OUTPUT, 0) /* (L19) OSPI0_CSn0 */
+ AM64X_IOPAD(0x000c, PIN_INPUT, 0) /* (M19) OSPI0_D0 */
+ AM64X_IOPAD(0x0010, PIN_INPUT, 0) /* (M18) OSPI0_D1 */
+ AM64X_IOPAD(0x0014, PIN_INPUT, 0) /* (M20) OSPI0_D2 */
+ AM64X_IOPAD(0x0018, PIN_INPUT, 0) /* (M21) OSPI0_D3 */
+ AM64X_IOPAD(0x001c, PIN_INPUT, 0) /* (P21) OSPI0_D4 */
+ AM64X_IOPAD(0x0020, PIN_INPUT, 0) /* (P20) OSPI0_D5 */
+ AM64X_IOPAD(0x0024, PIN_INPUT, 0) /* (N18) OSPI0_D6 */
+ AM64X_IOPAD(0x0028, PIN_INPUT, 0) /* (M17) OSPI0_D7 */
+ AM64X_IOPAD(0x0008, PIN_INPUT, 0) /* (N19) OSPI0_DQS */
+ >;
+ };
};
&mcu_uart0 {
@@ -171,3 +187,23 @@ &sdhci1 {
ti,driver-strength-ohm = <50>;
disable-wp;
};
+
+&ospi0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&ospi0_pins_default>;
+
+ flash@0{
+ compatible = "jedec,spi-nor";
+ reg = <0x0>;
+ spi-tx-bus-width = <8>;
+ spi-rx-bus-width = <8>;
+ spi-max-frequency = <25000000>;
+ cdns,tshsl-ns = <60>;
+ cdns,tsd2d-ns = <60>;
+ cdns,tchsh-ns = <60>;
+ cdns,tslch-ns = <60>;
+ cdns,read-delay = <4>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ };
+};
--
2.30.1
next prev parent reply other threads:[~2021-03-09 13:06 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-09 13:05 [PATCH 1/2] arm64: dts: ti: k3-am64-main: Add OSPI node Vignesh Raghavendra
2021-03-09 13:05 ` Vignesh Raghavendra [this message]
2021-03-09 13:17 ` [PATCH 2/2] arm64: dts: ti: k3-am64-evm/sk: Add OSPI flash DT node Pratyush Yadav
2021-03-09 13:17 ` [PATCH 1/2] arm64: dts: ti: k3-am64-main: Add OSPI node Pratyush Yadav
2021-03-10 17:34 ` Vignesh Raghavendra
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