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Subject[PATCH 5/7] ARM: dts: keystone-k2g-evm: Add QSPI node
Date
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@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@0 {
+ label = "QSPI.u-boot";
+ reg = <0x00000000 0x00100000>;
+ };
+ partition@100000 {
+ label = "QSPI.u-boot-env";
+ reg = <0x00100000 0x00040000>;
+ };
+ partition@140000 {
+ label = "QSPI.skern";
+ reg = <0x00140000 0x0040000>;
+ };
+ partition@180000 {
+ label = "QSPI.sci-firmware";
+ reg = <0x00180000 0x0040000>;
+ };
+ partition@1c0000 {
+ label = "QSPI.kernel";
+ reg = <0x001c0000 0x0800000>;
+ };
+ partition@9c0000 {
+ label = "QSPI.u-boot-spl-os";
+ reg = <0x009c0000 0x0040000>;
+ };
+ partition@a00000 {
+ label = "QSPI.file-system";
+ reg = <0x00a00000 0x3600000>;
+ };
+ };
+ };
+};
--
2.13.3
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