[U-Boot] [PATCH 4/6] arm: dts: k3-j721e-som-p0: Add HyperFlash node

Vignesh Raghavendra vigneshr at ti.com
Tue Sep 10 05:10:48 UTC 2019


J721e SoM as a 64MB HyperFlash on board. Add pinmux and DT node for the
same.

Signed-off-by: Vignesh Raghavendra <vigneshr at ti.com>
---
 arch/arm/dts/k3-j721e-som-p0.dtsi | 34 +++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/arch/arm/dts/k3-j721e-som-p0.dtsi b/arch/arm/dts/k3-j721e-som-p0.dtsi
index 1884fc70148f..1e1519f1c900 100644
--- a/arch/arm/dts/k3-j721e-som-p0.dtsi
+++ b/arch/arm/dts/k3-j721e-som-p0.dtsi
@@ -27,3 +27,37 @@
 		};
 	};
 };
+
+&wkup_pmx0 {
+	mcu_fss0_hpb0_pins_default: mcu-fss0-hpb0-pins-default {
+		pinctrl-single,pins = <
+			J721E_WKUP_IOPAD(0x0, PIN_OUTPUT, 1) /* (E20) MCU_OSPI0_CLK.MCU_HYPERBUS0_CK */
+			J721E_WKUP_IOPAD(0x4, PIN_OUTPUT, 1) /* (C21) MCU_OSPI0_LBCLKO.MCU_HYPERBUS0_CKn */
+			J721E_WKUP_IOPAD(0x2c, PIN_OUTPUT, 1) /* (F19) MCU_OSPI0_CSn0.MCU_HYPERBUS0_CSn0 */
+			J721E_WKUP_IOPAD(0x54, PIN_OUTPUT, 3) /* (E22) MCU_OSPI1_CSn1.MCU_HYPERBUS0_CSn1 */
+			J721E_WKUP_IOPAD(0x30, PIN_OUTPUT, 1) /* (E19) MCU_OSPI0_CSn1.MCU_HYPERBUS0_RESETn */
+			J721E_WKUP_IOPAD(0x8, PIN_INPUT, 1) /* (D21) MCU_OSPI0_DQS.MCU_HYPERBUS0_RWDS */
+			J721E_WKUP_IOPAD(0xc, PIN_INPUT, 1) /* (D20) MCU_OSPI0_D0.MCU_HYPERBUS0_DQ0 */
+			J721E_WKUP_IOPAD(0x10, PIN_INPUT, 1) /* (G19) MCU_OSPI0_D1.MCU_HYPERBUS0_DQ1 */
+			J721E_WKUP_IOPAD(0x14, PIN_INPUT, 1) /* (G20) MCU_OSPI0_D2.MCU_HYPERBUS0_DQ2 */
+			J721E_WKUP_IOPAD(0x18, PIN_INPUT, 1) /* (F20) MCU_OSPI0_D3.MCU_HYPERBUS0_DQ3 */
+			J721E_WKUP_IOPAD(0x1c, PIN_INPUT, 1) /* (F21) MCU_OSPI0_D4.MCU_HYPERBUS0_DQ4 */
+			J721E_WKUP_IOPAD(0x20, PIN_INPUT, 1) /* (E21) MCU_OSPI0_D5.MCU_HYPERBUS0_DQ5 */
+			J721E_WKUP_IOPAD(0x24, PIN_INPUT, 1) /* (B22) MCU_OSPI0_D6.MCU_HYPERBUS0_DQ6 */
+			J721E_WKUP_IOPAD(0x28, PIN_INPUT, 1) /* (G21) MCU_OSPI0_D7.MCU_HYPERBUS0_DQ7 */
+		>;
+	};
+};
+
+&hbmc {
+	status = "disabled";
+	pinctrl-names = "default";
+	pinctrl-0 = <&mcu_fss0_hpb0_pins_default>;
+	ranges = <0x0 0x0 0x5 0x0 0x4000000>, /* 64MB Flash on CS0 */
+		 <0x1 0x0 0x5 0x4000000 0x800000>; /* 8MB RAM on CS1 */
+
+	flash at 0,0 {
+		compatible = "cypress,hyperflash", "cfi-flash";
+		reg = <0x0 0x0 0x4000000>;
+	};
+};
-- 
2.23.0



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