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Message-Id: <20240424-s4-pwm-v4-2-ee22effd40d0@amlogic.com>
Date: Wed, 24 Apr 2024 18:28:35 +0800
From: Kelvin Zhang via B4 Relay <devnull+kelvin.zhang.amlogic.com@...nel.org>
To: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>,
Neil Armstrong <neil.armstrong@...aro.org>,
Kevin Hilman <khilman@...libre.com>, Jerome Brunet <jbrunet@...libre.com>,
Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>
Cc: linux-pwm@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org,
devicetree@...r.kernel.org, Kelvin Zhang <kelvin.zhang@...ogic.com>,
Junyi Zhao <junyi.zhao@...ogic.com>
Subject: [PATCH v4 2/2] arm64: dts: amlogic: Add Amlogic S4 PWM
From: Junyi Zhao <junyi.zhao@...ogic.com>
Add device nodes for PWM_AB, PWM_CD, PWM_EF, PWM_GH and PWM_IJ
along with GPIO PIN configs of each channel.
Signed-off-by: Junyi Zhao <junyi.zhao@...ogic.com>
Signed-off-by: Kelvin Zhang <kelvin.zhang@...ogic.com>
---
arch/arm64/boot/dts/amlogic/meson-s4.dtsi | 207 ++++++++++++++++++++++++++++++
1 file changed, 207 insertions(+)
diff --git a/arch/arm64/boot/dts/amlogic/meson-s4.dtsi b/arch/arm64/boot/dts/amlogic/meson-s4.dtsi
index 10896f9df682..8165b263ab92 100644
--- a/arch/arm64/boot/dts/amlogic/meson-s4.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-s4.dtsi
@@ -292,6 +292,168 @@ mux {
};
};
+ pwm_a_pins1: pwm_a_pins1 {
+ mux {
+ groups = "pwm_a_d";
+ function = "pwm_a";
+ };
+ };
+
+ pwm_a_pins2: pwm_a_pins2 {
+ mux {
+ groups = "pwm_a_x";
+ function = "pwm_a";
+ };
+ };
+
+ pwm_a_pins: pwm_a_pins {
+ mux {
+ groups = "pwm_a_d";
+ function = "pwm_a";
+ };
+ };
+
+ pwm_b_pins1: pwm_b_pins1 {
+ mux {
+ groups = "pwm_b_d";
+ function = "pwm_b";
+ };
+ };
+
+ pwm_b_pins2: pwm_b_pins2 {
+ mux {
+ groups = "pwm_b_x";
+ function = "pwm_b";
+ };
+ };
+
+ pwm_c_pins1: pwm_c_pins1 {
+ mux {
+ groups = "pwm_c_d";
+ function = "pwm_c";
+ };
+ };
+
+ pwm_c_pins2: pwm_c_pins2 {
+ mux {
+ groups = "pwm_c_x";
+ function = "pwm_c";
+ };
+ };
+
+ pwm_d_pins1: pwm_d_pins1 {
+ mux {
+ groups = "pwm_d_d";
+ function = "pwm_d";
+ };
+ };
+
+ pwm_d_pins2: pwm_d_pins2 {
+ mux {
+ groups = "pwm_d_h";
+ function = "pwm_d";
+ };
+ };
+
+ pwm_e_pins1: pwm_e_pins1 {
+ mux {
+ groups = "pwm_e_x";
+ function = "pwm_e";
+ drive-strength-microamp = <500>;
+ };
+ };
+
+ pwm_e_pins2: pwm_e_pins2 {
+ mux {
+ groups = "pwm_e_z";
+ function = "pwm_e";
+ };
+ };
+
+ pwm_f_pins1: pwm_f_pins1 {
+ mux {
+ groups = "pwm_f_x";
+ function = "pwm_f";
+ };
+ };
+
+ pwm_f_pins2: pwm_f_pins2 {
+ mux {
+ groups = "pwm_f_z";
+ function = "pwm_f";
+ };
+ };
+
+ pwm_g_pins1: pwm_g_pins1 {
+ mux {
+ groups = "pwm_g_d";
+ function = "pwm_g";
+ };
+ };
+
+ pwm_g_pins2: pwm_g_pins2 {
+ mux {
+ groups = "pwm_g_z";
+ function = "pwm_g";
+ };
+ };
+
+ pwm_h_pins: pwm_h_pins {
+ mux {
+ groups = "pwm_h";
+ function = "pwm_h";
+ };
+ };
+
+ pwm_i_pins1: pwm_i_pins1 {
+ mux {
+ groups = "pwm_i_d";
+ function = "pwm_i";
+ };
+ };
+
+ pwm_i_pins2: pwm_i_pins2 {
+ mux {
+ groups = "pwm_i_h";
+ function = "pwm_i";
+ };
+ };
+
+ pwm_j_pins: pwm_j_pins {
+ mux {
+ groups = "pwm_j";
+ function = "pwm_j";
+ };
+ };
+
+ pwm_a_hiz_pins: pwm_a_hiz_pins {
+ mux {
+ groups = "pwm_a_hiz";
+ function = "pwm_a_hiz";
+ };
+ };
+
+ pwm_b_hiz_pins: pwm_b_hiz_pins {
+ mux {
+ groups = "pwm_b_hiz";
+ function = "pwm_b_hiz";
+ };
+ };
+
+ pwm_c_hiz_pins: pwm_c_hiz_pins {
+ mux {
+ groups = "pwm_c_hiz";
+ function = "pwm_b_hiz";
+ };
+ };
+
+ pwm_g_hiz_pins: pwm_g_hiz_pins {
+ mux {
+ groups = "pwm_g_hiz";
+ function = "pwm_g_hiz";
+ };
+ };
+
nand_pins: nand-pins {
mux {
groups = "emmc_nand_d0",
@@ -449,6 +611,51 @@ i2c4: i2c@...00 {
status = "disabled";
};
+ pwm_ab: pwm@...00 {
+ compatible = "amlogic,meson-s4-pwm";
+ reg = <0x0 0x58000 0x0 0x24>;
+ clocks = <&clkc_periphs CLKID_PWM_A>,
+ <&clkc_periphs CLKID_PWM_B>;
+ #pwm-cells = <3>;
+ status = "disabled";
+ };
+
+ pwm_cd: pwm@...00 {
+ compatible = "amlogic,meson-s4-pwm";
+ reg = <0x0 0x5a000 0x0 0x24>;
+ clocks = <&clkc_periphs CLKID_PWM_C>,
+ <&clkc_periphs CLKID_PWM_D>;
+ #pwm-cells = <3>;
+ status = "disabled";
+ };
+
+ pwm_ef: pwm@...00 {
+ compatible = "amlogic,meson-s4-pwm";
+ reg = <0x0 0x5c000 0x0 0x24>;
+ clocks = <&clkc_periphs CLKID_PWM_E>,
+ <&clkc_periphs CLKID_PWM_F>;
+ #pwm-cells = <3>;
+ status = "disabled";
+ };
+
+ pwm_gh: pwm@...00 {
+ compatible = "amlogic,meson-s4-pwm";
+ reg = <0x0 0x5e000 0x0 0x24>;
+ clocks = <&clkc_periphs CLKID_PWM_G>,
+ <&clkc_periphs CLKID_PWM_H>;
+ #pwm-cells = <3>;
+ status = "disabled";
+ };
+
+ pwm_ij: pwm@...00 {
+ compatible = "amlogic,meson-s4-pwm";
+ reg = <0x0 0x60000 0x0 0x24>;
+ clocks = <&clkc_periphs CLKID_PWM_I>,
+ <&clkc_periphs CLKID_PWM_J>;
+ #pwm-cells = <3>;
+ status = "disabled";
+ };
+
nand: nand-controller@...00 {
compatible = "amlogic,meson-axg-nfc";
reg = <0x0 0x8c800 0x0 0x100>, <0x0 0x8c000 0x0 0x4>;
--
2.37.1
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