[PATCH 5/7] ARM: dts: keystone-k2g-evm: Add QSPI node
From: vigneshr@ti.com (Vignesh R)
Date: 2017-08-01 04:56:29
Also in:
linux-devicetree, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
66AK2G EVM has a s25fl512s flash connected to QSPI CS0. Add pinmux for QSPI and DT entries for the same. Signed-off-by: Vignesh R <vigneshr@ti.com> --- arch/arm/boot/dts/keystone-k2g-evm.dts | 69 ++++++++++++++++++++++++++++++++++ 1 file changed, 69 insertions(+)
diff --git a/arch/arm/boot/dts/keystone-k2g-evm.dts b/arch/arm/boot/dts/keystone-k2g-evm.dts
index 61883cb969d2..55d632977e8f 100644
--- a/arch/arm/boot/dts/keystone-k2g-evm.dts
+++ b/arch/arm/boot/dts/keystone-k2g-evm.dts@@ -34,6 +34,18 @@ K2G_CORE_IOPAD(0x11d0) (BUFFER_CLASS_B | PIN_PULLDOWN | MUX_MODE0) /* uart0_txd.uart0_txd */ >; }; + + qspi_pins: pinmux_qspi_pins { + pinctrl-single,pins = < + K2G_CORE_IOPAD(0x1204) (BUFFER_CLASS_B | PULL_DISABLE | MUX_MODE0) /* qspi_clk.qspi_clk */ + K2G_CORE_IOPAD(0x1208) (BUFFER_CLASS_B | PULL_DISABLE | MUX_MODE0) /* qspi_rclk.qspi_rclk */ + K2G_CORE_IOPAD(0x120c) (BUFFER_CLASS_B | PULL_DISABLE | MUX_MODE0) /* qspi_d0.qspi_d0 */ + K2G_CORE_IOPAD(0x1210) (BUFFER_CLASS_B | PULL_DISABLE | MUX_MODE0) /* qspi_d1.qspi_d1 */ + K2G_CORE_IOPAD(0x1214) (BUFFER_CLASS_B | PULL_DISABLE | MUX_MODE0) /* qspi_d2.qspi_d2 */ + K2G_CORE_IOPAD(0x1218) (BUFFER_CLASS_B | PULL_DISABLE | MUX_MODE0) /* qspi_d3.qspi_d3 */ + K2G_CORE_IOPAD(0x121c) (BUFFER_CLASS_B | PULL_DISABLE | MUX_MODE0) /* qspi_csn0.qspi_csn0 */ + >; + }; }; &uart0 {
@@ -41,3 +53,60 @@ pinctrl-0 = <&uart0_pins>; status = "okay"; }; + +&qspi { + pinctrl-names = "default"; + pinctrl-0 = <&qspi_pins>; + cdns,rclk-en; + status = "okay"; + + flash0: m25p80 at 0 { + compatible = "s25fl512s", "jedec,spi-nor"; + reg = <0>; + spi-tx-bus-width = <1>; + spi-rx-bus-width = <4>; + spi-max-frequency = <96000000>; + #address-cells = <1>; + #size-cells = <1>; + cdns,read-delay = <5>; + cdns,tshsl-ns = <500>; + cdns,tsd2d-ns = <500>; + cdns,tchsh-ns = <119>; + cdns,tslch-ns = <119>; + + partitions { + compatible = "fixed-partitions"; + #address-cells = <1>; + #size-cells = <1>; + + partition at 0 { + label = "QSPI.u-boot"; + reg = <0x00000000 0x00100000>; + }; + partition at 100000 { + label = "QSPI.u-boot-env"; + reg = <0x00100000 0x00040000>; + }; + partition at 140000 { + label = "QSPI.skern"; + reg = <0x00140000 0x0040000>; + }; + partition at 180000 { + label = "QSPI.sci-firmware"; + reg = <0x00180000 0x0040000>; + }; + partition at 1c0000 { + label = "QSPI.kernel"; + reg = <0x001c0000 0x0800000>; + }; + partition at 9c0000 { + label = "QSPI.u-boot-spl-os"; + reg = <0x009c0000 0x0040000>; + }; + partition at a00000 { + label = "QSPI.file-system"; + reg = <0x00a00000 0x3600000>; + }; + }; + }; +};
--
2.13.3