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From:   Udit Kumar <u-kumar1@ti.com>
To:     <nm@ti.com>, <vigneshr@ti.com>, <kristo@kernel.org>,
        <robh+dt@kernel.org>, <krzysztof.kozlowski+dt@linaro.org>,
        <conor+dt@kernel.org>, <sinthu.raja@ti.com>, <t-konduru@ti.com>,
        <linux-arm-kernel@lists.infradead.org>,
        <devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>
CC:     Udit Kumar <u-kumar1@ti.com>
Subject: [PATCH] arm64: dts: ti: k3-j721s2-som-p0: Correct pinmux offset for ospi0
Date:   Tue, 1 Aug 2023 18:26:26 +0530
Message-ID: <20230801125626.3287306-1-u-kumar1@ti.com>
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Due to non-addressable regions in J721S2 SOC wkup_pmx was split
into four regions from wkup_pmx0 to wkup_pmx3.

After split while updating the pin mux references to newly defined
four wkup_pmx, pin mux for OSPI0 was left.

Pin mux for OSPI0 is spread over two range wkup_pmx0
and wkup_pmx1, along with correcting pin mux for ospi
adding correct pin mux setting within ospi node.

Fixes: 6bc829ceea41 ("arm64: dts: ti: k3-j721s2: Fix wkup pinmux range")

Signed-off-by: Udit Kumar <u-kumar1@ti.com>
---
Test log without patch
https://gist.github.com/uditkumarti/41d3d7ccf278d4e00e6da349478e58aa
(line 1192) reports pin mux is out of range for ospi

Test log with patch
https://gist.github.com/uditkumarti/46999c99911c9ff3777493fbaea243c6

 arch/arm64/boot/dts/ti/k3-j721s2-som-p0.dtsi | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-som-p0.dtsi b/arch/arm64/boot/dts/ti/k3-j721s2-som-p0.dtsi
index d57dd43da0ef..1a9d13237c2d 100644
--- a/arch/arm64/boot/dts/ti/k3-j721s2-som-p0.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j721s2-som-p0.dtsi
@@ -45,8 +45,6 @@ mcu_fss0_ospi0_pins_default: mcu-fss0-ospi0-default-pins {
 			J721S2_WKUP_IOPAD(0x000, PIN_OUTPUT, 0) /* (D19) MCU_OSPI0_CLK */
 			J721S2_WKUP_IOPAD(0x02c, PIN_OUTPUT, 0) /* (F15) MCU_OSPI0_CSn0 */
 			J721S2_WKUP_IOPAD(0x030, PIN_OUTPUT, 0) /* (G17) MCU_OSPI0_CSn1 */
-			J721S2_WKUP_IOPAD(0x038, PIN_OUTPUT, 0) /* (F14) MCU_OSPI0_CSn2 */
-			J721S2_WKUP_IOPAD(0x03c, PIN_OUTPUT, 0) /* (F17) MCU_OSPI0_CSn3 */
 			J721S2_WKUP_IOPAD(0x00c, PIN_INPUT, 0) /* (C19) MCU_OSPI0_D0 */
 			J721S2_WKUP_IOPAD(0x010, PIN_INPUT, 0) /* (F16) MCU_OSPI0_D1 */
 			J721S2_WKUP_IOPAD(0x014, PIN_INPUT, 0) /* (G15) MCU_OSPI0_D2 */
@@ -61,6 +59,15 @@ J721S2_WKUP_IOPAD(0x004, PIN_INPUT, 0) /* (E20) MCU_OSPI0_LBCLKO */
 	};
 };
 
+&wkup_pmx1 {
+	mcu_fss0_ospi0_pins1_default: mcu-fss0-ospi0-default-pins1 {
+		pinctrl-single,pins = <
+			J721S2_WKUP_IOPAD(0x000, PIN_OUTPUT, 0) /* (F14) MCU_OSPI0_CSn2 */
+			J721S2_WKUP_IOPAD(0x004, PIN_OUTPUT, 0) /* (F17) MCU_OSPI0_CSn3 */
+		>;
+	};
+};
+
 &wkup_pmx2 {
 	wkup_i2c0_pins_default: wkup-i2c0-default-pins {
 		pinctrl-single,pins = <
@@ -127,7 +134,7 @@ &main_mcan16 {
 &ospi0 {
 	status = "okay";
 	pinctrl-names = "default";
-	pinctrl-0 = <&mcu_fss0_ospi0_pins_default>;
+	pinctrl-0 = <&mcu_fss0_ospi0_pins_default>, <&mcu_fss0_ospi0_pins1_default>;
 
 	flash@0 {
 		compatible = "jedec,spi-nor";
-- 
2.34.1