Re: [PATCH v2 2/2] arm64: dts: amlogic: Add Amlogic C3 PWM
From: Neil Armstrong
Date: Wed Oct 09 2024 - 03:57:15 EST
On 14/09/2024 07:48, Kelvin Zhang via B4 Relay wrote:
From: Kelvin Zhang <kelvin.zhang@xxxxxxxxxxx>
Add device nodes for PWM_AB, PWM_CD, PWM_EF, PWM_GH, PWM_IJ, PWM_KL
and PWM_MN, along with the GPIO pin configurations for each channel.
Signed-off-by: Kelvin Zhang <kelvin.zhang@xxxxxxxxxxx>
---
arch/arm64/boot/dts/amlogic/amlogic-c3.dtsi | 364 ++++++++++++++++++++++++++++
1 file changed, 364 insertions(+)
diff --git a/arch/arm64/boot/dts/amlogic/amlogic-c3.dtsi b/arch/arm64/boot/dts/amlogic/amlogic-c3.dtsi
index d0cda759c25d..fd0e557eba06 100644
--- a/arch/arm64/boot/dts/amlogic/amlogic-c3.dtsi
+++ b/arch/arm64/boot/dts/amlogic/amlogic-c3.dtsi
@@ -410,6 +410,300 @@ mux {
drive-strength-microamp = <4000>;
};
};
+
+ pwm_a_pins1: pwm-a-pins1 {
+ mux {
+ groups = "pwm_a";
+ function = "pwm_a";
+ };
+ };
+
+ pwm_b_pins1: pwm-b-pins1 {
+ mux {
+ groups = "pwm_b";
+ function = "pwm_b";
+ };
+ };
+
+ pwm_c_pins1: pwm-c-pins1 {
+ mux {
+ groups = "pwm_c";
+ function = "pwm_c";
+ };
+ };
+
+ pwm_d_pins1: pwm-d-pins1 {
+ mux {
+ groups = "pwm_d";
+ function = "pwm_d";
+ };
+ };
+
+ pwm_e_pins1: pwm-e-pins1 {
+ mux {
+ groups = "pwm_e";
+ function = "pwm_e";
+ };
+ };
+
+ pwm_f_pins1: pwm-f-pins1 {
+ mux {
+ groups = "pwm_f";
+ function = "pwm_f";
+ };
+ };
+
+ pwm_g_pins1: pwm-g-pins1 {
+ mux {
+ groups = "pwm_g_b";
+ function = "pwm_g";
+ };
+ };
+
+ pwm_g_pins2: pwm-g-pins2 {
+ mux {
+ groups = "pwm_g_c";
+ function = "pwm_g";
+ };
+ };
+
+ pwm_g_pins3: pwm-g-pins3 {
+ mux {
+ groups = "pwm_g_d";
+ function = "pwm_g";
+ };
+ };
+
+ pwm_g_pins4: pwm-g-pins4 {
+ mux {
+ groups = "pwm_g_x0";
+ function = "pwm_g";
+ };
+ };
+
+ pwm_g_pins5: pwm-g-pins5 {
+ mux {
+ groups = "pwm_g_x8";
+ function = "pwm_g";
+ };
+ };
+
+ pwm_h_pins1: pwm-h-pins1 {
+ mux {
+ groups = "pwm_h_b";
+ function = "pwm_h";
+ };
+ };
+
+ pwm_h_pins2: pwm-h-pins2 {
+ mux {
+ groups = "pwm_h_c";
+ function = "pwm_h";
+ };
+ };
+
+ pwm_h_pins3: pwm-h-pins3 {
+ mux {
+ groups = "pwm_h_d";
+ function = "pwm_h";
+ };
+ };
+
+ pwm_h_pins4: pwm-h-pins4 {
+ mux {
+ groups = "pwm_h_x1";
+ function = "pwm_h";
+ };
+ };
+
+ pwm_h_pins5: pwm-h-pins5 {
+ mux {
+ groups = "pwm_h_x9";
+ function = "pwm_h";
+ };
+ };
+
+ pwm_i_pins1: pwm-i-pins1 {
+ mux {
+ groups = "pwm_i_b";
+ function = "pwm_i";
+ };
+ };
+
+ pwm_i_pins2: pwm-i-pins2 {
+ mux {
+ groups = "pwm_i_c";
+ function = "pwm_i";
+ };
+ };
+
+ pwm_i_pins3: pwm-i-pins3 {
+ mux {
+ groups = "pwm_i_d";
+ function = "pwm_i";
+ };
+ };
+
+ pwm_i_pins4: pwm-i-pins4 {
+ mux {
+ groups = "pwm_i_x2";
+ function = "pwm_i";
+ };
+ };
+
+ pwm_i_pins5: pwm-i-pins5 {
+ mux {
+ groups = "pwm_i_x10";
+ function = "pwm_i";
+ };
+ };
+
+ pwm_j_pins1: pwm-j-pins1 {
+ mux {
+ groups = "pwm_j_c";
+ function = "pwm_j";
+ };
+ };
+
+ pwm_j_pins2: pwm-j-pins2 {
+ mux {
+ groups = "pwm_j_d";
+ function = "pwm_j";
+ };
+ };
+
+ pwm_j_pins3: pwm-j-pins3 {
+ mux {
+ groups = "pwm_j_b";
+ function = "pwm_j";
+ };
+ };
+
+ pwm_j_pins4: pwm-j-pins4 {
+ mux {
+ groups = "pwm_j_x3";
+ function = "pwm_j";
+ };
+ };
+
+ pwm_j_pins5: pwm-j-pins5 {
+ mux {
+ groups = "pwm_j_x12";
+ function = "pwm_j";
+ };
+ };
+
+ pwm_k_pins1: pwm-k-pins1 {
+ mux {
+ groups = "pwm_k_c";
+ function = "pwm_k";
+ };
+ };
+
+ pwm_k_pins2: pwm-k-pins2 {
+ mux {
+ groups = "pwm_k_d";
+ function = "pwm_k";
+ };
+ };
+
+ pwm_k_pins3: pwm-k-pins3 {
+ mux {
+ groups = "pwm_k_b";
+ function = "pwm_k";
+ };
+ };
+
+ pwm_k_pins4: pwm-k-pins4 {
+ mux {
+ groups = "pwm_k_x4";
+ function = "pwm_k";
+ };
+ };
+
+ pwm_k_pins5: pwm-k-pins5 {
+ mux {
+ groups = "pwm_k_x13";
+ function = "pwm_k";
+ };
+ };
+
+ pwm_l_pins1: pwm-l-pins1 {
+ mux {
+ groups = "pwm_l_c";
+ function = "pwm_l";
+ };
+ };
+
+ pwm_l_pins2: pwm-l-pins2 {
+ mux {
+ groups = "pwm_l_x";
+ function = "pwm_l";
+ };
+ };
+
+ pwm_l_pins3: pwm-l-pins3 {
+ mux {
+ groups = "pwm_l_b";
+ function = "pwm_l";
+ };
+ };
+
+ pwm_l_pins4: pwm-l-pins4 {
+ mux {
+ groups = "pwm_l_a";
+ function = "pwm_l";
+ };
+ };
+
+ pwm_m_pins1: pwm-m-pins1 {
+ mux {
+ groups = "pwm_m_c";
+ function = "pwm_m";
+ };
+ };
+
+ pwm_m_pins2: pwm-m-pins2 {
+ mux {
+ groups = "pwm_m_x";
+ function = "pwm_m";
+ };
+ };
+
+ pwm_m_pins3: pwm-m-pins3 {
+ mux {
+ groups = "pwm_m_a";
+ function = "pwm_m";
+ };
+ };
+
+ pwm_m_pins4: pwm-m-pins4 {
+ mux {
+ groups = "pwm_m_b";
+ function = "pwm_m";
+ };
+ };
+
+ pwm_n_pins1: pwm-n-pins1 {
+ mux {
+ groups = "pwm_n_x";
+ function = "pwm_n";
+ };
+ };
+
+ pwm_n_pins2: pwm-n-pins2 {
+ mux {
+ groups = "pwm_n_a";
+ function = "pwm_n";
+ };
+ };
+
+ pwm_n_pins3: pwm-n-pins3 {
+ mux {
+ groups = "pwm_n_b";
+ function = "pwm_n";
+ };
+ };
};
gpio_intc: interrupt-controller@4080 {
@@ -490,6 +784,16 @@ spicc1: spi@52000 {
status = "disabled";
};
+ pwm_mn: pwm@54000 {
+ compatible = "amlogic,c3-pwm",
+ "amlogic,meson-s4-pwm";
+ reg = <0x0 54000 0x0 0x24>;
+ clocks = <&clkc_periphs CLKID_PWM_M>,
+ <&clkc_periphs CLKID_PWM_N>;
+ #pwm-cells = <3>;
+ status = "disabled";
+ };
+
spifc: spi@56000 {
compatible = "amlogic,a1-spifc";
reg = <0x0 0x56000 0x0 0x290>;
@@ -499,6 +803,66 @@ spifc: spi@56000 {
status = "disabled";
};
+ pwm_ab: pwm@58000 {
+ compatible = "amlogic,c3-pwm",
+ "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@5a000 {
+ compatible = "amlogic,c3-pwm",
+ "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@5c000 {
+ compatible = "amlogic,c3-pwm",
+ "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@5e000 {
+ compatible = "amlogic,c3-pwm",
+ "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@60000 {
+ compatible = "amlogic,c3-pwm",
+ "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";
+ };
+
+ pwm_kl: pwm@62000 {
+ compatible = "amlogic,c3-pwm",
+ "amlogic,meson-s4-pwm";
+ reg = <0x0 0x62000 0x0 0x24>;
+ clocks = <&clkc_periphs CLKID_PWM_K>,
+ <&clkc_periphs CLKID_PWM_L>;
+ #pwm-cells = <3>;
+ status = "disabled";
+ };
+
i2c0: i2c@66000 {
compatible = "amlogic,meson-axg-i2c";
reg = <0x0 0x66000 0x0 0x24>;
Reviewed-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx>