Thread (6 messages) 6 messages, 2 authors, 2021-03-26
STALE1941d REVIEWED: 1 (1M)
Revisions (6)
  1. v4 [diff vs current]
  2. v5 [diff vs current]
  3. v6 [diff vs current]
  4. v7 [diff vs current]
  5. v8 current
  6. v9 [diff vs current]

[PATCH v8 2/3] arm64: dts: ti: k3-j7200-common-proc-board: Disable unused gpio modules

From: Aswath Govindraju <hidden>
Date: 2021-03-24 06:39:05
Also in: linux-devicetree, lkml
Subsystem: arm/texas instruments k3 architecture, the rest · Maintainers: Nishanth Menon, Vignesh Raghavendra, Tero Kristo, Linus Torvalds

From: Faiz Abbas <redacted>

There are 6 gpio instances inside SoC with 2 groups as show below:
    Group one: wkup_gpio0, wkup_gpio1
    Group two: main_gpio0, main_gpio2, main_gpio4, main_gpio6

Only one instance from each group can be used at a time. So use main_gpio0
and wkup_gpio0 in current linux context and disable the rest of the nodes.

Signed-off-by: Faiz Abbas <redacted>
Signed-off-by: Sekhar Nori <redacted>
Signed-off-by: Aswath Govindraju <redacted>
Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com>
---
 .../boot/dts/ti/k3-j7200-common-proc-board.dts   | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
diff --git a/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts b/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts
index 4a7182abccf5..b493f939b09a 100644
--- a/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts
+++ b/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts
@@ -122,6 +122,22 @@
 	status = "disabled";
 };
 
+&main_gpio2 {
+	status = "disabled";
+};
+
+&main_gpio4 {
+	status = "disabled";
+};
+
+&main_gpio6 {
+	status = "disabled";
+};
+
+&wkup_gpio1 {
+	status = "disabled";
+};
+
 &mcu_cpsw {
 	pinctrl-names = "default";
 	pinctrl-0 = <&mcu_cpsw_pins_default &mcu_mdio_pins_default>;
-- 
2.17.1


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