[PATCH v5 10/11] ARM: at91/dt: add EBI (External Bus Interface) node in sama5d3 dtsi

Boris Brezillon boris.brezillon at free-electrons.com
Wed Dec 3 12:44:14 PST 2014


Add EBI node and EBI pin muxing.

Signed-off-by: Boris Brezillon <boris.brezillon at free-electrons.com>
---
 arch/arm/boot/dts/sama5d3.dtsi | 83 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 83 insertions(+)

diff --git a/arch/arm/boot/dts/sama5d3.dtsi b/arch/arm/boot/dts/sama5d3.dtsi
index d49dab7..d011ade 100644
--- a/arch/arm/boot/dts/sama5d3.dtsi
+++ b/arch/arm/boot/dts/sama5d3.dtsi
@@ -530,6 +530,63 @@
 					};
 				};
 
+				ebi {
+					pinctrl_ebi_addr: ebi-addr-0 {
+						atmel,pins =
+							<AT91_PIOE 0 AT91_PERIPH_A AT91_PINCTRL_NONE
+							 AT91_PIOE 1 AT91_PERIPH_A AT91_PINCTRL_NONE
+							 AT91_PIOE 2 AT91_PERIPH_A AT91_PINCTRL_NONE
+							 AT91_PIOE 3 AT91_PERIPH_A AT91_PINCTRL_NONE
+							 AT91_PIOE 4 AT91_PERIPH_A AT91_PINCTRL_NONE
+							 AT91_PIOE 5 AT91_PERIPH_A AT91_PINCTRL_NONE
+							 AT91_PIOE 6 AT91_PERIPH_A AT91_PINCTRL_NONE
+							 AT91_PIOE 7 AT91_PERIPH_A AT91_PINCTRL_NONE
+							 AT91_PIOE 8 AT91_PERIPH_A AT91_PINCTRL_NONE
+							 AT91_PIOE 9 AT91_PERIPH_A AT91_PINCTRL_NONE
+							 AT91_PIOE 10 AT91_PERIPH_A AT91_PINCTRL_NONE
+							 AT91_PIOE 11 AT91_PERIPH_A AT91_PINCTRL_NONE
+							 AT91_PIOE 12 AT91_PERIPH_A AT91_PINCTRL_NONE
+							 AT91_PIOE 13 AT91_PERIPH_A AT91_PINCTRL_NONE
+							 AT91_PIOE 14 AT91_PERIPH_A AT91_PINCTRL_NONE
+							 AT91_PIOE 15 AT91_PERIPH_A AT91_PINCTRL_NONE
+							 AT91_PIOE 16 AT91_PERIPH_A AT91_PINCTRL_NONE
+							 AT91_PIOE 17 AT91_PERIPH_A AT91_PINCTRL_NONE
+							 AT91_PIOE 18 AT91_PERIPH_A AT91_PINCTRL_NONE
+							 AT91_PIOE 19 AT91_PERIPH_A AT91_PINCTRL_NONE
+							 AT91_PIOE 20 AT91_PERIPH_A AT91_PINCTRL_NONE
+							 AT91_PIOE 21 AT91_PERIPH_A AT91_PINCTRL_NONE
+							 AT91_PIOE 22 AT91_PERIPH_A AT91_PINCTRL_NONE
+							 AT91_PIOE 23 AT91_PERIPH_A AT91_PINCTRL_NONE
+							 AT91_PIOE 24 AT91_PERIPH_A AT91_PINCTRL_NONE
+							 AT91_PIOE 25 AT91_PERIPH_A AT91_PINCTRL_NONE>;
+					};
+
+					pinctrl_ebi_cs0: ebi-cs0-0 {
+						atmel,pins =
+							<AT91_PIOE 26 AT91_PERIPH_A AT91_PINCTRL_NONE>;
+					};
+
+					pinctrl_ebi_cs1: ebi-cs1-0 {
+						atmel,pins =
+							<AT91_PIOE 27 AT91_PERIPH_A AT91_PINCTRL_NONE>;
+					};
+
+					pinctrl_ebi_cs2: ebi-cs2-0 {
+						atmel,pins =
+							<AT91_PIOE 28 AT91_PERIPH_A AT91_PINCTRL_NONE>;
+					};
+
+					pinctrl_ebi_nwr1_nbs1: ebi-nwr1-nbs1-0 {
+						atmel,pins =
+							<AT91_PIOE 29 AT91_PERIPH_A AT91_PINCTRL_NONE>;
+					};
+
+					pinctrl_ebi_nwait: ebi-nwait-0 {
+						atmel,pins =
+							<AT91_PIOE 30 AT91_PERIPH_A AT91_PINCTRL_NONE>;
+					};
+				};
+
 				i2c0 {
 					pinctrl_i2c0: i2c0-0 {
 						atmel,pins =
@@ -1407,6 +1464,32 @@
 			status = "disabled";
 		};
 
+		ebi: ebi at 10000000 {
+			compatible = "atmel,sama5d3-ebi", "simple-bus";
+			#address-cells = <2>;
+			#size-cells = <1>;
+			atmel,smc = <&hsmc>;
+			atmel,matrix = <&matrix>;
+			reg = <0x10000000 0x10000000
+			       0x40000000 0x30000000>;
+			ranges = <0x0 0x0 0x10000000 0x10000000
+				  0x1 0x0 0x40000000 0x10000000
+				  0x2 0x0 0x50000000 0x10000000
+				  0x3 0x0 0x60000000 0x10000000>;
+			clocks = <&mck>;
+
+			/*
+			 * TODO: EBI pins should be referenced here, but they
+			 * conflict with NAND pins, which should actually be a
+			 * sub device of the EBI bus and thus should not
+			 * request it's own set of pins as they are shared
+			 * with other devices connected on the EBI bus.
+			 *
+			 * pinctrl-names = "default";
+			 * pinctrl-0 = <&pinctrl_ebi_addr>;
+			 */
+		};
+
 		nand0: nand at 60000000 {
 			compatible = "atmel,at91rm9200-nand";
 			#address-cells = <1>;
-- 
1.9.1




More information about the linux-arm-kernel mailing list