J721e SoM as a 64MB HyperFlash on board. Add pinmux and DT node for the same.
Signed-off-by: Vaishnav Achath vaishnav.a@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@0,0 { + compatible = "cypress,hyperflash", "cfi-flash"; + reg = <0x0 0x0 0x4000000>; + }; +}; + &ospi0 { pinctrl-names = "default"; pinctrl-0 = <&mcu_fss0_ospi0_pins_default>;