dt: Hack around CFE and I2C devices

Signed-off-by: Dave Stevenson <[email protected]>
6by9 · Nov 8, 2024 · ab2d06d · ab2d06d
1 parent 4bfc571
commit ab2d06d
Showing 1 changed file with 64 additions and 2 deletions.
diff --git a/arch/arm64/boot/dts/broadcom/rp1.dtso b/arch/arm64/boot/dts/broadcom/rp1.dtso
@@ -183,6 +183,20 @@
 					interrupts = <0 IRQ_TYPE_LEVEL_HIGH>,
 						     <1 IRQ_TYPE_LEVEL_HIGH>,
 						     <2 IRQ_TYPE_LEVEL_HIGH>;
+
+					rp1_i2c6_38_39: rp1_i2c6_38_39 {
+						function = "i2c6";
+						pins = "gpio38", "gpio39";
+						drive-strength = <12>;
+						bias-pull-up;
+					};
+
+					rp1_i2c4_40_41: rp1_i2c4_40_41 {
+						function = "i2c4";
+						pins = "gpio40", "gpio41";
+						drive-strength = <12>;
+						bias-pull-up;
+					};
 				};
 
 				rp1_uart0: serial@c040030000 {
@@ -334,7 +348,11 @@
 					clocks = <&rp1_clocks RP1_CLK_SYS>;
 					i2c-scl-rising-time-ns = <65>;
 					i2c-scl-falling-time-ns = <100>;
-					status = "disabled";
+
+					pinctrl-0 = <&rp1_i2c4_40_41>;
+					pinctrl-names = "default";
+					clock-frequency = <100000>;
+					symlink = "i2c-4";
 				};
 
 				rp1_i2c5: i2c@c040084000 {
@@ -354,7 +372,11 @@
 					clocks = <&rp1_clocks RP1_CLK_SYS>;
 					i2c-scl-rising-time-ns = <65>;
 					i2c-scl-falling-time-ns = <100>;
-					status = "disabled";
+
+					pinctrl-0 = <&rp1_i2c6_38_39>;
+					pinctrl-names = "default";
+					clock-frequency = <100000>;
+					symlink = "i2c-6";
 				};
 
 				rp1_pwm0: pwm@c040098000 {
@@ -494,6 +516,46 @@
 					snps,priority = <0 1 2 3 4 5 6 7>;
 					snps,axi-max-burst-len = <4>;
 				};
+
+				rp1_csi0: csi@c040110000 {
+					compatible = "raspberrypi,rp1-cfe";
+					reg = <0xc0 0x40110000  0x0 0x100>, // CSI2 DMA address
+					      <0xc0 0x40114000  0x0 0x100>, // PHY/CSI Host address
+					      <0xc0 0x40120000  0x0 0x100>, // MIPI CFG address
+					      <0xc0 0x40124000  0x0 0x1000>; // PiSP FE address
+
+					// interrupts must match rp1_pisp_fe setup
+					interrupts = <RP1_INT_MIPI0 IRQ_TYPE_LEVEL_HIGH>;
+
+					clocks = <&rp1_clocks RP1_CLK_MIPI0_CFG>;
+					assigned-clocks = <&rp1_clocks RP1_CLK_MIPI0_CFG>;
+					assigned-clock-rates = <25000000>;
+
+					#address-cells = <1>;
+					#size-cells = <0>;
+					status = "disabled";
+				};
+
+				rp1_csi1: csi@c040128000 {
+					compatible = "raspberrypi,rp1-cfe";
+					reg = <0xc0 0x40128000  0x0 0x100>, // CSI2 DMA address
+					      <0xc0 0x4012c000  0x0 0x100>, // PHY/CSI Host address
+					      <0xc0 0x40138000  0x0 0x100>, // MIPI CFG address
+					      <0xc0 0x4013c000  0x0 0x1000>; // PiSP FE address
+
+					// interrupts must match rp1_pisp_fe setup
+					interrupts = <RP1_INT_MIPI1 IRQ_TYPE_LEVEL_HIGH>;
+
+					clocks = <&rp1_clocks RP1_CLK_MIPI1_CFG>;
+					assigned-clocks = <&rp1_clocks RP1_CLK_MIPI1_CFG>;
+					assigned-clock-rates = <25000000>;
+
+					#address-cells = <1>;
+					#size-cells = <0>;
+					status = "disabled";
+				};
+
+
 			};
 		};
 	};