[PATCH 2/9] arm: dts: k3-j721e-som-p0: Add HyperFlash node
Vaishnav Achath
vaishnav.a at ti.com
Mon May 9 08:20:10 CEST 2022
J721e SoM as a 64MB HyperFlash on board. Add pinmux and DT node
for the same.
Signed-off-by: Vaishnav Achath <vaishnav.a at ti.com>
---
arch/arm/dts/k3-j721e-som-p0.dtsi | 32 +++++++++++++++++++++++++++++++
1 file changed, 32 insertions(+)
diff --git a/arch/arm/dts/k3-j721e-som-p0.dtsi b/arch/arm/dts/k3-j721e-som-p0.dtsi
index 2fee290618..a725435849 100644
--- a/arch/arm/dts/k3-j721e-som-p0.dtsi
+++ b/arch/arm/dts/k3-j721e-som-p0.dtsi
@@ -150,6 +150,25 @@
>;
};
+ 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 */
+ >;
+ };
+
mcu_fss0_ospi0_pins_default: mcu-fss0-ospi0-pins-default {
pinctrl-single,pins = <
J721E_WKUP_IOPAD(0x0000, PIN_OUTPUT, 0) /* MCU_OSPI0_CLK */
@@ -167,6 +186,19 @@
};
};
+&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>;
+ };
+};
+
&ospi0 {
pinctrl-names = "default";
pinctrl-0 = <&mcu_fss0_ospi0_pins_default>;
--
2.17.1
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