diff options
| -rw-r--r-- | arch/arm64/boot/dts/qcom/sc7180-idp.dts | 9 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi | 34 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/qcom/sc7180.dtsi | 9 |
3 files changed, 40 insertions, 12 deletions
diff --git a/arch/arm64/boot/dts/qcom/sc7180-idp.dts b/arch/arm64/boot/dts/qcom/sc7180-idp.dts index fcabbc6a897f..9f052270e090 100644 --- a/arch/arm64/boot/dts/qcom/sc7180-idp.dts +++ b/arch/arm64/boot/dts/qcom/sc7180-idp.dts @@ -349,7 +349,7 @@ &qspi { status = "okay"; pinctrl-names = "default"; - pinctrl-0 = <&qspi_clk &qspi_cs0 &qspi_data01>; + pinctrl-0 = <&qspi_clk>, <&qspi_cs0>, <&qspi_data0>, <&qspi_data1>; flash@0 { compatible = "jedec,spi-nor"; @@ -507,8 +507,11 @@ bias-disable; }; -&qspi_data01 { - /* High-Z when no transfers; nice to park the lines */ +&qspi_data0 { + bias-pull-up; +}; + +&qspi_data1 { bias-pull-up; }; diff --git a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi index 39100b0c1140..ca6920de7ea8 100644 --- a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi @@ -424,8 +424,9 @@ &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>; flash@0 { compatible = "jedec,spi-nor"; @@ -1046,17 +1047,20 @@ ap_spi_fp: &spi10 { }; &qspi_cs0 { - bias-disable; + bias-disable; /* External pullup */ }; &qspi_clk { drive-strength = <8>; - bias-disable; + bias-disable; /* Rely on Cr50 internal pulldown */ }; -&qspi_data01 { - /* High-Z when no transfers; nice to park the lines */ - bias-pull-up; +&qspi_data0 { + bias-disable; /* Rely on Cr50 internal pulldown */ +}; + +&qspi_data1 { + bias-pull-down; }; &qup_i2c2_default { @@ -1336,6 +1340,22 @@ ap_spi_fp: &spi10 { bias-disable; }; + qspi_sleep: qspi-sleep-state { + pins = "gpio63", "gpio64", "gpio65", "gpio68"; + + /* + * 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; + }; + qup_uart3_sleep: qup-uart3-sleep-state { cts-pins { /* diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi index 25eb4e60d0bb..33a4c70b0dad 100644 --- a/arch/arm64/boot/dts/qcom/sc7180.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi @@ -1543,8 +1543,13 @@ function = "qspi_cs"; }; - qspi_data01: qspi-data01-state { - pins = "gpio64", "gpio65"; + qspi_data0: qspi-data0-state { + pins = "gpio64"; + function = "qspi_data"; + }; + + qspi_data1: qspi-data1-state { + pins = "gpio65"; function = "qspi_data"; }; |