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Message-Id: <20240111131904.1491496-3-hector.palacios@digi.com>
Date: Thu, 11 Jan 2024 14:19:04 +0100
From: Hector Palacios <hector.palacios@...i.com>
To: bartosz.golaszewski@...aro.org,
linus.walleij@...aro.org
Cc: linux-gpio@...r.kernel.org,
linux-kernel@...r.kernel.org,
haibo.chen@....com,
peng.fan@....com,
hector.palacios@...i.com
Subject: [PATCH 2/2] arm64: dts: imx93: specify available 'ngpios' per GPIO port
According to NXP HRM for i.MX93, the following GPIO pins are available:
- GPIO1: 16 pins (0..15)
- GPIO2: 30 pins (0..29)
- GPIO3: 32 pins (0..31)
- GPIO4: 30 pins (0..29)
Signed-off-by: Hector Palacios <hector.palacios@...i.com>
---
arch/arm64/boot/dts/freescale/imx93.dtsi | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx93.dtsi b/arch/arm64/boot/dts/freescale/imx93.dtsi
index 34c0540276d1..7eb2cab7c749 100644
--- a/arch/arm64/boot/dts/freescale/imx93.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx93.dtsi
@@ -970,6 +970,7 @@ gpio2: gpio@...10000 {
<&clk IMX93_CLK_GPIO2_GATE>;
clock-names = "gpio", "port";
gpio-ranges = <&iomuxc 0 4 30>;
+ ngpios = <30>;
};
gpio3: gpio@...20000 {
@@ -986,6 +987,7 @@ gpio3: gpio@...20000 {
clock-names = "gpio", "port";
gpio-ranges = <&iomuxc 0 84 8>, <&iomuxc 8 66 18>,
<&iomuxc 26 34 2>, <&iomuxc 28 0 4>;
+ ngpios = <32>;
};
gpio4: gpio@...30000 {
@@ -1001,6 +1003,7 @@ gpio4: gpio@...30000 {
<&clk IMX93_CLK_GPIO4_GATE>;
clock-names = "gpio", "port";
gpio-ranges = <&iomuxc 0 38 28>, <&iomuxc 28 36 2>;
+ ngpios = <30>;
};
gpio1: gpio@...00000 {
@@ -1016,6 +1019,7 @@ gpio1: gpio@...00000 {
<&clk IMX93_CLK_GPIO1_GATE>;
clock-names = "gpio", "port";
gpio-ranges = <&iomuxc 0 92 16>;
+ ngpios = <16>;
};
ocotp: efuse@...10000 {
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