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Message-Id: <20241211-amlogic-pinctrl-v1-3-410727335119@amlogic.com>
Date: Wed, 11 Dec 2024 14:47:51 +0800
From: Xianwei Zhao via B4 Relay <devnull+xianwei.zhao.amlogic.com@...nel.org>
To: Linus Walleij <linus.walleij@...aro.org>, Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Neil Armstrong <neil.armstrong@...aro.org>,
Kevin Hilman <khilman@...libre.com>, Jerome Brunet <jbrunet@...libre.com>,
Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Cc: linux-gpio@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-amlogic@...ts.infradead.org, Xianwei Zhao <xianwei.zhao@...ogic.com>
Subject: [PATCH RFC 3/3] arm64: dts: amlogic: a4: add pinctrl node
From: Xianwei Zhao <xianwei.zhao@...ogic.com>
Add pinctrl device to support Amlogic A4 and add uart pinconf.
Signed-off-by: Xianwei Zhao <xianwei.zhao@...ogic.com>
---
arch/arm64/boot/dts/amlogic/amlogic-a4.dtsi | 146 ++++++++++++++++++++++++++++
1 file changed, 146 insertions(+)
diff --git a/arch/arm64/boot/dts/amlogic/amlogic-a4.dtsi b/arch/arm64/boot/dts/amlogic/amlogic-a4.dtsi
index de10e7aebf21..fccae7c9758a 100644
--- a/arch/arm64/boot/dts/amlogic/amlogic-a4.dtsi
+++ b/arch/arm64/boot/dts/amlogic/amlogic-a4.dtsi
@@ -5,6 +5,7 @@
#include "amlogic-a4-common.dtsi"
#include <dt-bindings/power/amlogic,a4-pwrc.h>
+#include <dt-bindings/pinctrl/amlogic,pinctrl.h>
/ {
cpus {
#address-cells = <2>;
@@ -48,3 +49,148 @@ pwrc: power-controller {
};
};
};
+
+&apb {
+ periphs_pinctrl: pinctrl@...0 {
+ compatible = "amlogic,pinctrl";
+ reg = <0x0 0x4000 0x0 0x0050>,
+ <0x0 0x40c0 0x0 0x0220>;
+ reg-names = "mux", "gpio";
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ gpiob: gpiob {
+ gpio-controller;
+ #gpio-cells = <2>;
+ npins = <14>;
+ bank-index = <AMLOGIC_GPIO_B>;
+ reg-mux-offset = <0>;
+ reg-gpio-offset = <0x60>;
+ bank-name = "GPIOB";
+ };
+
+ gpiod: gpiod {
+ gpio-controller;
+ #gpio-cells = <2>;
+ npins = <16>;
+ bank-index = <AMLOGIC_GPIO_D>;
+ reg-mux-offset = <0x10>;
+ reg-gpio-offset = <0x30>;
+ bank-name = "GPIOD";
+ };
+
+ gpioe: gpioe {
+ gpio-controller;
+ #gpio-cells = <2>;
+ npins = <2>;
+ bank-index = <AMLOGIC_GPIO_E>;
+ reg-mux-offset = <0x12>;
+ reg-gpio-offset = <0x40>;
+ bank-name = "GPIOE";
+ };
+
+ gpiot: gpiot {
+ gpio-controller;
+ #gpio-cells = <2>;
+ npins = <23>;
+ bank-index = <AMLOGIC_GPIO_T>;
+ reg-mux-offset = <0xb>;
+ reg-gpio-offset = <0x20>;
+ bank-name = "GPIOT";
+ };
+
+ gpiox: gpiox {
+ gpio-controller;
+ #gpio-cells = <2>;
+ npins = <18>;
+ bank-index = <AMLOGIC_GPIO_X>;
+ reg-mux-offset = <0x3>;
+ reg-gpio-offset = <0x10>;
+ bank-name = "GPIOX";
+ };
+
+ func-uart-a {
+ uart_a_default: uart-a-pins1{
+ pinmux= <AML_PINMUX(AMLOGIC_GPIO_X, 11, AF1)>,
+ <AML_PINMUX(AMLOGIC_GPIO_X, 12, AF1)>,
+ <AML_PINMUX(AMLOGIC_GPIO_X, 13, AF1)>,
+ <AML_PINMUX(AMLOGIC_GPIO_X, 13, AF1)>;
+ };
+
+ uart-a-pins2{
+ pinmux= <AML_PINMUX(AMLOGIC_GPIO_D, 2, AF3)>,
+ <AML_PINMUX(AMLOGIC_GPIO_D, 3, AF3)>;
+ bias-pull-up;
+ drive-strength-microamp = <4000>;
+ };
+ };
+
+ func-uart-b {
+ uart_b_default: uart-b-default{
+ pinmux= <AML_PINMUX(AMLOGIC_GPIO_E, 0, AF3)>,
+ <AML_PINMUX(AMLOGIC_GPIO_E, 1, AF3)>;
+ bias-pull-up;
+ drive-strength-microamp = <4000>;
+ };
+ };
+
+ func-uart-d {
+ uart_d_default: uart-d-pins1{
+ pinmux= <AML_PINMUX(AMLOGIC_GPIO_T, 18, AF4)>,
+ <AML_PINMUX(AMLOGIC_GPIO_T, 19, AF4)>;
+ bias-pull-up;
+ drive-strength-microamp = <4000>;
+ };
+
+ uart-d-pins2{
+ pinmux= <AML_PINMUX(AMLOGIC_GPIO_T, 7, AF2)>,
+ <AML_PINMUX(AMLOGIC_GPIO_T, 8, AF2)>,
+ <AML_PINMUX(AMLOGIC_GPIO_T, 9, AF2)>,
+ <AML_PINMUX(AMLOGIC_GPIO_T, 10, AF2)>;
+ bias-pull-up;
+ drive-strength-microamp = <4000>;
+ };
+ };
+
+ func-uart-e {
+ uart_e_default: uart-e-pins{
+ pinmux= <AML_PINMUX(AMLOGIC_GPIO_T, 14, AF3)>,
+ <AML_PINMUX(AMLOGIC_GPIO_T, 15, AF3)>,
+ <AML_PINMUX(AMLOGIC_GPIO_T, 16, AF3)>,
+ <AML_PINMUX(AMLOGIC_GPIO_T, 17, AF3)>;
+ bias-pull-up;
+ drive-strength-microamp = <4000>;
+ };
+ };
+ };
+
+ aobus_pinctrl: pinctrl@...00 {
+ compatible = "amlogic,pinctrl";
+ reg = <0x0 0x8e700 0x0 0x04>,
+ <0x0 0x8e704 0x0 0x60>;
+ reg-names = "mux", "gpio";
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ gpioao: gpioao {
+ gpio-controller;
+ #gpio-cells = <2>;
+ npins = <7>;
+ bank-index = <AMLOGIC_GPIO_AO>;
+ reg-mux-offset = <0>;
+ reg-gpio-offset = <0>;
+ bank-name = "GPIOAO";
+ };
+
+ test_n: gpiotestn {
+ gpio-controller;
+ #gpio-cells = <2>;
+ npins = <1>;
+ bank-index = <AMLOGIC_GPIO_TEST_N>;
+ reg-mux-offset = <0>;
+ bit-mux-offset = <28>;
+ reg-gpio-offset = <0x10>;
+ bank-name = "TEST_N";
+ };
+ };
+};
--
2.37.1
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