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Message-ID: <20230329060057.13654-1-a-nandan@ti.com>
Date: Wed, 29 Mar 2023 11:30:57 +0530
From: Apurva Nandan <a-nandan@...com>
To: Nishanth Menon <nm@...com>, Vignesh Raghavendra <vigneshr@...com>,
Tero Kristo <kristo@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
<linux-arm-kernel@...ts.infradead.org>,
<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC: Apurva Nandan <a-nandan@...com>
Subject: [PATCH v2] arm64: dts: ti: k3-j784s4-evm: Add OSPI0 flash support
Add support for OSPI flash connected to OSPI0 instance through FSS.
Also enumerate OSPI1 instance in MCU DTSI.
Signed-off-by: Apurva Nandan <a-nandan@...com>
---
Changelog:
- Fixed address 0x0 to 0x00
- Fixed dtbs_check errors (removed syscon and created simple bus)
- Fixed whitespace error
arch/arm64/boot/dts/ti/k3-j784s4-evm.dts | 45 +++++++++++++++++++
.../boot/dts/ti/k3-j784s4-mcu-wakeup.dtsi | 41 +++++++++++++++++
2 files changed, 86 insertions(+)
diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts b/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts
index b9e23697a63b..cc8c2dda7bd2 100644
--- a/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts
+++ b/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts
@@ -141,12 +141,57 @@ J784S4_IOPAD(0x020, PIN_INPUT, 7) /* (AJ35) MCAN15_RX.GPIO0_8 */
};
};
+&wkup_pmx0 {
+ mcu_fss0_ospi0_pins_default: mcu-fss0-ospi0-pins-default {
+ pinctrl-single,pins = <
+ J784S4_WKUP_IOPAD(0x000, PIN_OUTPUT, 0) /* (E32) MCU_OSPI0_CLK */
+ J784S4_WKUP_IOPAD(0x02c, PIN_OUTPUT, 0) /* (A32) MCU_OSPI0_CSn0 */
+ J784S4_WKUP_IOPAD(0x00c, PIN_INPUT, 0) /* (B33) MCU_OSPI0_D0 */
+ J784S4_WKUP_IOPAD(0x010, PIN_INPUT, 0) /* (B32) MCU_OSPI0_D1 */
+ J784S4_WKUP_IOPAD(0x014, PIN_INPUT, 0) /* (C33) MCU_OSPI0_D2 */
+ J784S4_WKUP_IOPAD(0x018, PIN_INPUT, 0) /* (C35) MCU_OSPI0_D3 */
+ J784S4_WKUP_IOPAD(0x01c, PIN_INPUT, 0) /* (D33) MCU_OSPI0_D4 */
+ J784S4_WKUP_IOPAD(0x020, PIN_INPUT, 0) /* (D34) MCU_OSPI0_D5 */
+ J784S4_WKUP_IOPAD(0x024, PIN_INPUT, 0) /* (E34) MCU_OSPI0_D6 */
+ J784S4_WKUP_IOPAD(0x028, PIN_INPUT, 0) /* (E33) MCU_OSPI0_D7 */
+ J784S4_WKUP_IOPAD(0x008, PIN_INPUT, 0) /* (C34) MCU_OSPI0_DQS */
+ J784S4_WKUP_IOPAD(0x03c, PIN_OUTPUT, 6) /* (C32) MCU_OSPI0_CSn3.MCU_OSPI0_ECC_FAIL */
+ J784S4_WKUP_IOPAD(0x038, PIN_OUTPUT, 6) /* (B34) MCU_OSPI0_CSn2.MCU_OSPI0_RESET_OUT0 */
+ >;
+ };
+};
+
&main_uart8 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&main_uart8_pins_default>;
};
+&fss {
+ status = "okay";
+};
+
+&ospi0 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&mcu_fss0_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>;
+ };
+};
+
&main_i2c0 {
status = "okay";
pinctrl-names = "default";
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 64bd3dee14aa..f825a8e4b452 100644
--- a/arch/arm64/boot/dts/ti/k3-j784s4-mcu-wakeup.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j784s4-mcu-wakeup.dtsi
@@ -309,4 +309,45 @@ cpts@...00 {
ti,cpts-periodic-outputs = <2>;
};
};
+
+ fss: bus@...00000 {
+ compatible = "simple-bus";
+ reg = <0x00 0x47000000 0x00 0x100>;
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+
+ ospi0: spi@...40000 {
+ 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@...50000 {
+ 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";
+ };
+ };
};
--
2.34.1
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