[PATCH 1/4] ARM: dts: at91: sama5d2_icp: add QSPI1 device

* [PATCH 1/4] ARM: dts: at91: sama5d2_icp: add QSPI1 device
@ 2021-08-17 10:29 Eugen Hristev
  2021-08-17 10:29 ` [PATCH 2/4] ARM: dts: at91: sama5d2_icp: cosmetic arrangement of the nodes Eugen Hristev
                   ` (3 more replies)
  0 siblings, 4 replies; 6+ messages in thread
From: Eugen Hristev @ 2021-08-17 10:29 UTC (permalink / raw)
  To: u-boot; +Cc: eugen.hristev, mihai.sain

From: Mihai Sain <mihai.sain@microchip.com>

Add support for sst26vf064b 64Mbit qspi-flash that is
present on sama5d2_icp board.

Signed-off-by: Mihai Sain <mihai.sain@microchip.com>
[eugen.hristev@microchip.com: move u-boot properties to sama5d2_icp-u-boot.dtsi]
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
---
 arch/arm/dts/at91-sama5d2_icp-u-boot.dtsi | 16 +++++++++++++
 arch/arm/dts/at91-sama5d2_icp.dts         | 29 +++++++++++++++++++++++
 2 files changed, 45 insertions(+)

diff --git a/arch/arm/dts/at91-sama5d2_icp-u-boot.dtsi b/arch/arm/dts/at91-sama5d2_icp-u-boot.dtsi
index 347fa813e9..68c27f229f 100644
--- a/arch/arm/dts/at91-sama5d2_icp-u-boot.dtsi
+++ b/arch/arm/dts/at91-sama5d2_icp-u-boot.dtsi
@@ -28,3 +28,19 @@
 &pinctrl_mikrobus1_uart {
 	u-boot,dm-pre-reloc;
 };
+
+&pinctrl_qspi1_sck_cs_default {
+	u-boot,dm-pre-reloc;
+};
+
+&pinctrl_qspi1_dat_default {
+	u-boot,dm-pre-reloc;
+};
+
+&qspi1 {
+	u-boot,dm-pre-reloc;
+
+	flash@0 {
+		u-boot,dm-pre-reloc;
+	};
+};
diff --git a/arch/arm/dts/at91-sama5d2_icp.dts b/arch/arm/dts/at91-sama5d2_icp.dts
index f81fa60171..2c6e91c1c7 100644
--- a/arch/arm/dts/at91-sama5d2_icp.dts
+++ b/arch/arm/dts/at91-sama5d2_icp.dts
@@ -33,6 +33,21 @@
 		};
 
 		apb {
+
+			qspi1: spi@f0024000 {
+				pinctrl-names = "default";
+				pinctrl-0 = <&pinctrl_qspi1_sck_cs_default &pinctrl_qspi1_dat_default>;
+				status = "okay";
+
+				flash@0 {
+					compatible = "jedec,spi-nor";
+					reg = <0>;
+					spi-max-frequency = <83000000>;
+					spi-rx-bus-width = <4>;
+					spi-tx-bus-width = <4>;
+				};
+			};
+
 			uart0: serial@f801c000 { /* mikrobus1 uart */
 				pinctrl-names = "default";
 				pinctrl-0 = <&pinctrl_mikrobus1_uart>;
@@ -109,6 +124,20 @@
 						bias-pull-up;
 					};
 
+					pinctrl_qspi1_sck_cs_default: qspi1_sck_cs_default {
+						pinmux = <PIN_PA6__QSPI1_SCK>,
+							 <PIN_PA11__QSPI1_CS>;
+						bias-disable;
+					};
+
+					pinctrl_qspi1_dat_default: qspi1_dat_default {
+						pinmux = <PIN_PA7__QSPI1_IO0>,
+							 <PIN_PA8__QSPI1_IO1>,
+							 <PIN_PA9__QSPI1_IO2>,
+							 <PIN_PA10__QSPI1_IO3>;
+						bias-pull-up;
+					};
+
 					pinctrl_sdmmc0_default: sdmmc0_default {
 						pinmux = <PIN_PA1__SDMMC0_CMD>,
 							 <PIN_PA2__SDMMC0_DAT0>,
-- 
2.25.1


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