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| author | Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> | 2020-10-28 22:09:55 +0300 |
|---|---|---|
| committer | Bjorn Andersson <bjorn.andersson@linaro.org> | 2020-11-22 23:04:33 -0600 |
| commit | 53a8ccf1c7e5c901342f7dcf43bb7ddb6027984b (patch) | |
| tree | d023f820c8e7762201bed3d6b672ddba58d2ba8d /arch/arm64/boot/dts/qcom | |
| parent | c4cf0300be84c2233ffa1b7516be66b167bc81f5 (diff) | |
| download | linux-53a8ccf1c7e5c901342f7dcf43bb7ddb6027984b.tar.gz | |
arm64: dts: qcom: rb5: Add support for uSD card
Add support for uSD card on RB5 using the SDHC2 interface. Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> [DB: disabled 1.8V support to get SDHC to work] Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://lore.kernel.org/r/20201028190955.1264526-2-dmitry.baryshkov@linaro.org Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Diffstat (limited to 'arch/arm64/boot/dts/qcom')
| -rw-r--r-- | arch/arm64/boot/dts/qcom/qrb5165-rb5.dts | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts b/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts index fec31655141c..bc8d63a59598 100644 --- a/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts +++ b/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts @@ -18,6 +18,7 @@ aliases { serial0 = &uart12; + sdhc2 = &sdhc_2; }; chosen { @@ -475,6 +476,20 @@ status = "okay"; }; +&sdhc_2 { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&sdc2_default_state &sdc2_card_det_n>; + vmmc-supply = <&vreg_l9c_2p96>; + vqmmc-supply = <&vreg_l6c_2p96>; + cd-gpios = <&tlmm 77 GPIO_ACTIVE_LOW>; + bus-width = <4>; + /* there seem to be issues with HS400-1.8V mode, so disable it */ + no-1-8-v; + no-sdio; + no-emmc; +}; + /* CAN */ &spi0 { status = "okay"; @@ -663,6 +678,32 @@ "HST_BLE_SNS_UART_RX", "HST_WLAN_UART_TX", "HST_WLAN_UART_RX"; + + sdc2_default_state: sdc2-default { + clk { + pins = "sdc2_clk"; + bias-disable; + drive-strength = <16>; + }; + + cmd { + pins = "sdc2_cmd"; + bias-pull-up; + drive-strength = <16>; + }; + + data { + pins = "sdc2_data"; + bias-pull-up; + drive-strength = <16>; + }; + }; + + sdc2_card_det_n: sd-card-det-n { + pins = "gpio77"; + function = "gpio"; + bias-pull-up; + }; }; &uart12 { |