diff options
| author | Yann Gautier <yann.gautier@st.com> | 2019-11-06 13:09:37 +0300 |
|---|---|---|
| committer | Alexandre Torgue <alexandre.torgue@st.com> | 2019-12-09 11:19:15 +0300 |
| commit | 0382bf82fe7aa050c5b3e1857e5095f76dc3ab5a (patch) | |
| tree | 1d2c9fd8d59272b67effc8fbe144af9e2ff18db1 /arch/arm/boot/dts | |
| parent | 64e11cb783d120d0a76cf89dbe4471ba98db0d8a (diff) | |
| download | linux-0382bf82fe7aa050c5b3e1857e5095f76dc3ab5a.tar.xz | |
ARM: dts: stm32: enable sdmmc2 node for stm32mp157c-ed1 board
On STM32MP157C-ED1, the eMMC is connected on instance 2 of SDMMC
peripheral. The sdmmc2 node is then added in the board DT file, as well as
the pins nodes in the pinctrl file.
Signed-off-by: Ludovic Barre <ludovic.barre@st.com>
Signed-off-by: Yann Gautier <yann.gautier@st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>
Diffstat (limited to 'arch/arm/boot/dts')
| -rw-r--r-- | arch/arm/boot/dts/stm32mp157-pinctrl.dtsi | 118 | ||||
| -rw-r--r-- | arch/arm/boot/dts/stm32mp157c-ed1.dts | 16 |
2 files changed, 134 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi b/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi index e186b8499a2b..bdd4113f473e 100644 --- a/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi +++ b/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi @@ -935,6 +935,124 @@ }; }; + sdmmc2_b4_pins_a: sdmmc2-b4-0 { + pins1 { + pinmux = <STM32_PINMUX('B', 14, AF9)>, /* SDMMC2_D0 */ + <STM32_PINMUX('B', 15, AF9)>, /* SDMMC2_D1 */ + <STM32_PINMUX('B', 3, AF9)>, /* SDMMC2_D2 */ + <STM32_PINMUX('B', 4, AF9)>, /* SDMMC2_D3 */ + <STM32_PINMUX('G', 6, AF10)>; /* SDMMC2_CMD */ + slew-rate = <1>; + drive-push-pull; + bias-pull-up; + }; + pins2 { + pinmux = <STM32_PINMUX('E', 3, AF9)>; /* SDMMC2_CK */ + slew-rate = <2>; + drive-push-pull; + bias-pull-up; + }; + }; + + sdmmc2_b4_od_pins_a: sdmmc2-b4-od-0 { + pins1 { + pinmux = <STM32_PINMUX('B', 14, AF9)>, /* SDMMC2_D0 */ + <STM32_PINMUX('B', 15, AF9)>, /* SDMMC2_D1 */ + <STM32_PINMUX('B', 3, AF9)>, /* SDMMC2_D2 */ + <STM32_PINMUX('B', 4, AF9)>; /* SDMMC2_D3 */ + slew-rate = <1>; + drive-push-pull; + bias-pull-up; + }; + pins2 { + pinmux = <STM32_PINMUX('E', 3, AF9)>; /* SDMMC2_CK */ + slew-rate = <2>; + drive-push-pull; + bias-pull-up; + }; + pins3 { + pinmux = <STM32_PINMUX('G', 6, AF10)>; /* SDMMC2_CMD */ + slew-rate = <1>; + drive-open-drain; + bias-pull-up; + }; + }; + + sdmmc2_b4_sleep_pins_a: sdmmc2-b4-sleep-0 { + pins { + pinmux = <STM32_PINMUX('B', 14, ANALOG)>, /* SDMMC2_D0 */ + <STM32_PINMUX('B', 15, ANALOG)>, /* SDMMC2_D1 */ + <STM32_PINMUX('B', 3, ANALOG)>, /* SDMMC2_D2 */ + <STM32_PINMUX('B', 4, ANALOG)>, /* SDMMC2_D3 */ + <STM32_PINMUX('E', 3, ANALOG)>, /* SDMMC2_CK */ + <STM32_PINMUX('G', 6, ANALOG)>; /* SDMMC2_CMD */ + }; + }; + + sdmmc2_b4_pins_b: sdmmc2-b4-1 { + pins1 { + pinmux = <STM32_PINMUX('B', 14, AF9)>, /* SDMMC2_D0 */ + <STM32_PINMUX('B', 15, AF9)>, /* SDMMC2_D1 */ + <STM32_PINMUX('B', 3, AF9)>, /* SDMMC2_D2 */ + <STM32_PINMUX('B', 4, AF9)>, /* SDMMC2_D3 */ + <STM32_PINMUX('G', 6, AF10)>; /* SDMMC2_CMD */ + slew-rate = <1>; + drive-push-pull; + bias-disable; + }; + pins2 { + pinmux = <STM32_PINMUX('E', 3, AF9)>; /* SDMMC2_CK */ + slew-rate = <2>; + drive-push-pull; + bias-disable; + }; + }; + + sdmmc2_b4_od_pins_b: sdmmc2-b4-od-1 { + pins1 { + pinmux = <STM32_PINMUX('B', 14, AF9)>, /* SDMMC2_D0 */ + <STM32_PINMUX('B', 15, AF9)>, /* SDMMC2_D1 */ + <STM32_PINMUX('B', 3, AF9)>, /* SDMMC2_D2 */ + <STM32_PINMUX('B', 4, AF9)>; /* SDMMC2_D3 */ + slew-rate = <1>; + drive-push-pull; + bias-disable; + }; + pins2 { + pinmux = <STM32_PINMUX('E', 3, AF9)>; /* SDMMC2_CK */ + slew-rate = <2>; + drive-push-pull; + bias-disable; + }; + pins3 { + pinmux = <STM32_PINMUX('G', 6, AF10)>; /* SDMMC2_CMD */ + slew-rate = <1>; + drive-open-drain; + bias-disable; + }; + }; + + sdmmc2_d47_pins_a: sdmmc2-d47-0 { + pins { + pinmux = <STM32_PINMUX('A', 8, AF9)>, /* SDMMC2_D4 */ + <STM32_PINMUX('A', 9, AF10)>, /* SDMMC2_D5 */ + <STM32_PINMUX('E', 5, AF9)>, /* SDMMC2_D6 */ + <STM32_PINMUX('D', 3, AF9)>; /* SDMMC2_D7 */ + slew-rate = <1>; + drive-push-pull; + bias-pull-up; + }; + }; + + sdmmc2_d47_sleep_pins_a: sdmmc2-d47-sleep-0 { + pins { + pinmux = <STM32_PINMUX('A', 8, ANALOG)>, /* SDMMC2_D4 */ + <STM32_PINMUX('A', 9, ANALOG)>, /* SDMMC2_D5 */ + <STM32_PINMUX('E', 5, ANALOG)>, /* SDMMC2_D6 */ + <STM32_PINMUX('D', 3, ANALOG)>; /* SDMMC2_D7 */ + }; + }; + spdifrx_pins_a: spdifrx-0 { pins { pinmux = <STM32_PINMUX('G', 12, AF8)>; /* SPDIF_IN1 */ diff --git a/arch/arm/boot/dts/stm32mp157c-ed1.dts b/arch/arm/boot/dts/stm32mp157c-ed1.dts index b8cc0fb0ec48..207146c98154 100644 --- a/arch/arm/boot/dts/stm32mp157c-ed1.dts +++ b/arch/arm/boot/dts/stm32mp157c-ed1.dts @@ -305,6 +305,22 @@ status = "okay"; }; +&sdmmc2 { + pinctrl-names = "default", "opendrain", "sleep"; + pinctrl-0 = <&sdmmc2_b4_pins_a &sdmmc2_d47_pins_a>; + pinctrl-1 = <&sdmmc2_b4_od_pins_a &sdmmc2_d47_pins_a>; + pinctrl-2 = <&sdmmc2_b4_sleep_pins_a &sdmmc2_d47_sleep_pins_a>; + non-removable; + no-sd; + no-sdio; + st,neg-edge; + bus-width = <8>; + vmmc-supply = <&v3v3>; + vqmmc-supply = <&v3v3>; + mmc-ddr-3_3v; + status = "okay"; +}; + &timers6 { status = "okay"; /* spare dmas for other usage */ |