diff options
Diffstat (limited to 'arch/arm64/boot/dts/qcom/sc7280-chrome-common.dtsi')
| -rw-r--r-- | arch/arm64/boot/dts/qcom/sc7280-chrome-common.dtsi | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/arch/arm64/boot/dts/qcom/sc7280-chrome-common.dtsi b/arch/arm64/boot/dts/qcom/sc7280-chrome-common.dtsi index 16fb20369c01..f562e4d2b655 100644 --- a/arch/arm64/boot/dts/qcom/sc7280-chrome-common.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7280-chrome-common.dtsi @@ -60,8 +60,9 @@ */ &qspi { status = "okay"; - pinctrl-names = "default"; - pinctrl-0 = <&qspi_clk>, <&qspi_cs0>, <&qspi_data01>; + pinctrl-names = "default", "sleep"; + pinctrl-0 = <&qspi_clk>, <&qspi_cs0>, <&qspi_data0>, <&qspi_data1>; + pinctrl-1 = <&qspi_sleep>; spi_flash: flash@0 { compatible = "jedec,spi-nor"; @@ -85,3 +86,23 @@ iommus = <&apps_smmu 0x1c02 0x1>; }; }; + +/* PINCTRL - chrome-common pinctrl */ + +&tlmm { + qspi_sleep: qspi-sleep-state { + pins = "gpio12", "gpio13", "gpio14", "gpio15"; + + /* + * When we're not actively transferring we want pins as GPIOs + * with output disabled so that the quad SPI IP block stops + * driving them. We rely on the normal pulls configured in + * the active state and don't redefine them here. Also note + * that we don't need the reverse (output-enable) in the + * normal mode since the "output-enable" only matters for + * GPIO function. + */ + function = "gpio"; + output-disable; + }; +}; |