diff options
| -rw-r--r-- | arch/arm64/boot/dts/qcom/sc7280-chrome-common.dtsi | 25 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/qcom/sc7280-herobrine.dtsi | 14 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/qcom/sc7280-idp.dtsi | 13 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/qcom/sc7280.dtsi | 9 |
4 files changed, 47 insertions, 14 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; + }; +}; diff --git a/arch/arm64/boot/dts/qcom/sc7280-herobrine.dtsi b/arch/arm64/boot/dts/qcom/sc7280-herobrine.dtsi index b6137816f2f3..e651f633341f 100644 --- a/arch/arm64/boot/dts/qcom/sc7280-herobrine.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7280-herobrine.dtsi @@ -692,18 +692,22 @@ ap_ec_spi: &spi10 { }; &qspi_cs0 { - bias-disable; + bias-disable; /* External pullup */ drive-strength = <8>; }; &qspi_clk { - bias-disable; + bias-pull-down; /* No external pulls */ drive-strength = <8>; }; -&qspi_data01 { - /* High-Z when no transfers; nice to park the lines */ - bias-pull-up; +&qspi_data0 { + bias-pull-down; /* No external pulls */ + drive-strength = <8>; +}; + +&qspi_data1 { + bias-disable; /* External pulldown */ drive-strength = <8>; }; diff --git a/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi b/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi index 5dc9bee28e7f..c6dc200c00ce 100644 --- a/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi @@ -636,16 +636,19 @@ }; &qspi_cs0 { - bias-disable; + bias-disable; /* External pullup */ }; &qspi_clk { - bias-disable; + bias-pull-down; /* No external pulls or external pulldown */ }; -&qspi_data01 { - /* High-Z when no transfers; nice to park the lines */ - bias-pull-up; +&qspi_data0 { + bias-pull-down; /* No external pulls or external pulldown */ +}; + +&qspi_data1 { + bias-pull-down; /* No external pulls or external pulldown */ }; &qup_uart5_tx { diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi index 18a4b097ebbd..0d22fe42b133 100644 --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi @@ -4353,8 +4353,13 @@ function = "qspi_cs"; }; - qspi_data01: qspi-data01-state { - pins = "gpio12", "gpio13"; + qspi_data0: qspi-data0-state { + pins = "gpio12"; + function = "qspi_data"; + }; + + qspi_data1: qspi-data1-state { + pins = "gpio13"; function = "qspi_data"; }; |