diff options
| author | Iskren Chernev <[email protected]> | 2020-09-20 17:48:59 +0300 |
|---|---|---|
| committer | Bjorn Andersson <[email protected]> | 2020-10-26 09:52:40 -0500 |
| commit | 5434dcef54964e1f8a293e43b93ba6b45cc477ae (patch) | |
| tree | 4522900ce5cf3e66c32598e4cc398e523cb2ba98 | |
| parent | 19524d5b1700616d4cfad9922238bd31ad758074 (diff) | |
ARM: dts: qcom: msm8974-klte: Add support for SD card
The Samsung Galaxy S5 (klte), has 3 SDHCI nodes used for internal
storage, WiFi, external SD card slot. The external SD card slot is
similar to the internal storage.
Signed-off-by: Iskren Chernev <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Bjorn Andersson <[email protected]>
| -rw-r--r-- | arch/arm/boot/dts/qcom-msm8974-samsung-klte.dts | 44 |
1 files changed, 43 insertions, 1 deletions
diff --git a/arch/arm/boot/dts/qcom-msm8974-samsung-klte.dts b/arch/arm/boot/dts/qcom-msm8974-samsung-klte.dts index 989447beb431..b0899107f3ce 100644 --- a/arch/arm/boot/dts/qcom-msm8974-samsung-klte.dts +++ b/arch/arm/boot/dts/qcom-msm8974-samsung-klte.dts @@ -12,6 +12,8 @@ aliases { serial0 = &blsp1_uart1; + sdhc1 = &sdhc_1; /* SDC1 eMMC slot */ + sdhc2 = &sdhc_2; /* SDC2 SD card slot */ }; chosen { @@ -161,6 +163,9 @@ pma8084_l21: l21 { regulator-min-microvolt = <2950000>; regulator-max-microvolt = <2950000>; + + regulator-allow-set-load; + regulator-system-load = <200000>; }; pma8084_l22: l22 { @@ -349,6 +354,24 @@ }; }; + sdhc2_pin_a: sdhc2-pin-active { + clk-cmd-data { + pins = "gpio35", "gpio36", "gpio37", "gpio38", + "gpio39", "gpio40"; + function = "sdc3"; + drive-strength = <8>; + bias-disable; + }; + }; + + sdhc2_cd_pin: sdhc2-cd { + pins = "gpio62"; + function = "gpio"; + + drive-strength = <2>; + bias-disable; + }; + sdhc3_pin_a: sdhc3-pin-active { clk { pins = "sdc2_clk"; @@ -422,7 +445,7 @@ }; }; - sdhci@f9824900 { + sdhc_1: sdhci@f9824900 { status = "ok"; vmmc-supply = <&pma8084_l20>; @@ -435,6 +458,25 @@ pinctrl-0 = <&sdhc1_pin_a>; }; + sdhc_2: sdhci@f9864900 { + status = "ok"; + + max-frequency = <100000000>; + + vmmc-supply = <&pma8084_l21>; + vqmmc-supply = <&pma8084_l13>; + + bus-width = <4>; + + /* cd-gpio is intentionally disabled. If enabled, an SD card + * present during boot is not initialized correctly. Without + * cd-gpios the driver resorts to polling, so hotplug works. + */ + pinctrl-names = "default"; + pinctrl-0 = <&sdhc2_pin_a /* &sdhc2_cd_pin */>; + // cd-gpios = <&msmgpio 62 GPIO_ACTIVE_LOW>; + }; + sdhci@f98a4900 { status = "okay"; |