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ARM: dts: stm32: add flash nor support on stm32mp157c eval board 

This patch adds flash nor on qspi. Each flash is
connected in quad mode and has its own chip select.

Signed-off-by: Ludovic Barre <ludovic.barre@st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>
This commit is contained in:
Ludovic Barre 2018-04-30 09:11:00 +02:00 committed by Alexandre Torgue
parent c38928d638
commit 8440300573
2 changed files with 70 additions and 0 deletions
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45
arch/arm/boot/dts/stm32mp157-pinctrl.dtsi
View File

@ -212,6 +212,51 @@ pins {
};
};
qspi_clk_pins_a: qspi-clk-0 {
pins {
pinmux = <STM32_PINMUX('F', 10, AF9)>; /* QSPI_CLK */
bias-disable;
drive-push-pull;
slew-rate = <3>;
};
};
qspi_bk1_pins_a: qspi-bk1-0 {
pins1 {
pinmux = <STM32_PINMUX('F', 8, AF10)>, /* QSPI_BK1_IO0 */
<STM32_PINMUX('F', 9, AF10)>, /* QSPI_BK1_IO1 */
<STM32_PINMUX('F', 7, AF9)>, /* QSPI_BK1_IO2 */
<STM32_PINMUX('F', 6, AF9)>; /* QSPI_BK1_IO3 */
bias-disable;
drive-push-pull;
slew-rate = <3>;
};
pins2 {
pinmux = <STM32_PINMUX('B', 6, AF10)>; /* QSPI_BK1_NCS */
bias-pull-up;
drive-push-pull;
slew-rate = <3>;
};
};
qspi_bk2_pins_a: qspi-bk2-0 {
pins1 {
pinmux = <STM32_PINMUX('H', 2, AF9)>, /* QSPI_BK2_IO0 */
<STM32_PINMUX('H', 3, AF9)>, /* QSPI_BK2_IO1 */
<STM32_PINMUX('G', 10, AF11)>, /* QSPI_BK2_IO2 */
<STM32_PINMUX('G', 7, AF11)>; /* QSPI_BK2_IO3 */
bias-disable;
drive-push-pull;
slew-rate = <3>;
};
pins2 {
pinmux = <STM32_PINMUX('C', 0, AF10)>; /* QSPI_BK2_NCS */
bias-pull-up;
drive-push-pull;
slew-rate = <3>;
};
};
uart4_pins_a: uart4@0 {
pins1 {
pinmux = <STM32_PINMUX('G', 11, AF6)>; /* UART4_TX */

25
arch/arm/boot/dts/stm32mp157c-ev1.dts
View File

@ -42,6 +42,31 @@ &i2c5 {
status = "okay";
};
&qspi {
pinctrl-names = "default";
pinctrl-0 = <&qspi_clk_pins_a &qspi_bk1_pins_a &qspi_bk2_pins_a>;
reg = <0x58003000 0x1000>, <0x70000000 0x4000000>;
#address-cells = <1>;
#size-cells = <0>;
status = "okay";
flash0: mx66l51235l@0 {
reg = <0>;
spi-rx-bus-width = <4>;
spi-max-frequency = <108000000>;
#address-cells = <1>;
#size-cells = <1>;
};
flash1: mx66l51235l@1 {
reg = <1>;
spi-rx-bus-width = <4>;
spi-max-frequency = <108000000>;
#address-cells = <1>;
#size-cells = <1>;
};
};
&timers2 {
status = "disabled";
pwm {