diff options
| author | Bhupesh Sharma <bhupesh.sharma@linaro.org> | 2022-04-03 20:11:51 +0530 |
|---|---|---|
| committer | Bjorn Andersson <bjorn.andersson@linaro.org> | 2022-04-12 09:21:15 -0500 |
| commit | 0deb2624e2d09aa158495ead66906fb437a67148 (patch) | |
| tree | 110d10991985440add06a0ab6674273322bbb476 /arch/arm64/boot/dts/qcom/sa8155p-adp.dts | |
| parent | 876644c7603440279545fab4988edd424aea6d9f (diff) | |
| download | lwn-0deb2624e2d09aa158495ead66906fb437a67148.tar.gz lwn-0deb2624e2d09aa158495ead66906fb437a67148.zip | |
arm64: dts: qcom: sa8155p-adp: Add support for uSD card
Add support for uSD card on SA8155p-ADP board using the SDHC2
interface.
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Rob Herring <robh@kernel.org>
Signed-off-by: Bhupesh Sharma <bhupesh.sharma@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220403144151.92572-3-bhupesh.sharma@linaro.org
Diffstat (limited to 'arch/arm64/boot/dts/qcom/sa8155p-adp.dts')
| -rw-r--r-- | arch/arm64/boot/dts/qcom/sa8155p-adp.dts | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/qcom/sa8155p-adp.dts b/arch/arm64/boot/dts/qcom/sa8155p-adp.dts index 676e4fe3f848..8e781125e8d0 100644 --- a/arch/arm64/boot/dts/qcom/sa8155p-adp.dts +++ b/arch/arm64/boot/dts/qcom/sa8155p-adp.dts @@ -317,6 +317,20 @@ firmware-name = "qcom/sa8155p/cdsp.mdt"; }; +&sdhc_2 { + status = "okay"; + + cd-gpios = <&tlmm 4 GPIO_ACTIVE_LOW>; + pinctrl-names = "default", "sleep"; + pinctrl-0 = <&sdc2_on>; + pinctrl-1 = <&sdc2_off>; + vqmmc-supply = <&vreg_l13c_2p96>; /* IO line power */ + vmmc-supply = <&vreg_l17a_2p96>; /* Card power line */ + bus-width = <4>; + no-sdio; + no-emmc; +}; + &uart2 { status = "okay"; }; @@ -405,6 +419,60 @@ &tlmm { gpio-reserved-ranges = <0 4>; + sdc2_on: sdc2_on { + clk { + pins = "sdc2_clk"; + bias-disable; /* No pull */ + drive-strength = <16>; /* 16 MA */ + }; + + cmd { + pins = "sdc2_cmd"; + bias-pull-up; /* pull up */ + drive-strength = <16>; /* 16 MA */ + }; + + data { + pins = "sdc2_data"; + bias-pull-up; /* pull up */ + drive-strength = <16>; /* 16 MA */ + }; + + sd-cd { + pins = "gpio96"; + function = "gpio"; + bias-pull-up; /* pull up */ + drive-strength = <2>; /* 2 MA */ + }; + }; + + sdc2_off: sdc2_off { + clk { + pins = "sdc2_clk"; + bias-disable; /* No pull */ + drive-strength = <2>; /* 2 MA */ + }; + + cmd { + pins = "sdc2_cmd"; + bias-pull-up; /* pull up */ + drive-strength = <2>; /* 2 MA */ + }; + + data { + pins = "sdc2_data"; + bias-pull-up; /* pull up */ + drive-strength = <2>; /* 2 MA */ + }; + + sd-cd { + pins = "gpio96"; + function = "gpio"; + bias-pull-up; /* pull up */ + drive-strength = <2>; /* 2 MA */ + }; + }; + usb2phy_ac_en1_default: usb2phy_ac_en1_default { mux { pins = "gpio113"; |