diff options
| author | Nitin Yadav <n-yadav@ti.com> | 2023-06-18 15:29:03 +0530 |
|---|---|---|
| committer | Praneeth Bajjuri <praneeth@ti.com> | 2023-06-19 15:39:50 -0500 |
| commit | 90a20a13c58435a4730d3bd5f63a3b5e99a2d5e6 (patch) | |
| tree | 33e19bf2bf1f86599b5f3be8954719fe9d4ab88d | |
| parent | b18a04f5338f1c93cd406fdccffba4285350fb23 (diff) | |
arm: dts: Add support to enable eMMC in AM62a
In AM62a, eMMC support is missing. Add sdhci0 node
in k3-am62a-main.dtsi with eMMC properties. Add eMMC
pin details in k3-am62a7-sk.dts and set sdhci0 node
to okay to enable eMMC.
Signed-off-by: Nitin Yadav <n-yadav@ti.com>
| -rw-r--r-- | arch/arm/dts/k3-am62a-main.dtsi | 20 | ||||
| -rw-r--r-- | arch/arm/dts/k3-am62a7-sk.dts | 25 |
2 files changed, 45 insertions, 0 deletions
diff --git a/arch/arm/dts/k3-am62a-main.dtsi b/arch/arm/dts/k3-am62a-main.dtsi index f2d7923286..858ac9aeb8 100644 --- a/arch/arm/dts/k3-am62a-main.dtsi +++ b/arch/arm/dts/k3-am62a-main.dtsi @@ -338,6 +338,26 @@ status = "disabled"; }; + sdhci0: mmc@fa10000 { + compatible = "ti,am62-sdhci"; + reg = <0x00 0xfa10000 0x00 0x260>, <0x00 0xfa18000 0x00 0x134>; + interrupts = <GIC_SPI 133 IRQ_TYPE_LEVEL_HIGH>; + power-domains = <&k3_pds 57 TI_SCI_PD_EXCLUSIVE>; + clocks = <&k3_clks 57 5>, <&k3_clks 57 6>; + clock-names = "clk_ahb", "clk_xin"; + assigned-clocks = <&k3_clks 57 6>; + assigned-clock-parents = <&k3_clks 57 8>; + mmc-ddr-1_8v; + mmc-hs200-1_8v; + ti,trm-icp = <0x2>; + bus-width = <8>; + ti,clkbuf-sel = <0x7>; + ti,otap-del-sel-legacy = <0x0>; + ti,otap-del-sel-mmc-hs = <0x0>; + ti,otap-del-sel-ddr52 = <0x9>; + ti,otap-del-sel-hs200 = <0x6>; + }; + sdhci1: mmc@fa00000 { compatible = "ti,am62-sdhci"; reg = <0x00 0xfa00000 0x00 0x260>, <0x00 0xfa08000 0x00 0x134>; diff --git a/arch/arm/dts/k3-am62a7-sk.dts b/arch/arm/dts/k3-am62a7-sk.dts index a6b188f16a..92877df118 100644 --- a/arch/arm/dts/k3-am62a7-sk.dts +++ b/arch/arm/dts/k3-am62a7-sk.dts @@ -19,6 +19,7 @@ aliases { serial2 = &main_uart0; + mmc0 = &sdhci0; mmc1 = &sdhci1; }; @@ -192,6 +193,22 @@ >; }; + main_mmc0_pins_default: main-mmc0-pins-default { + pinctrl-single,pins = < + AM62AX_IOPAD(0x220, PIN_INPUT, 0) /* (Y3) MMC0_CMD */ + AM62AX_IOPAD(0x218, PIN_INPUT, 0) /* (AB1) MMC0_CLKLB */ + AM62AX_IOPAD(0x21c, PIN_INPUT, 0) /* (AB1) MMC0_CLK */ + AM62AX_IOPAD(0x214, PIN_INPUT, 0) /* (AA2) MMC0_DAT0 */ + AM62AX_IOPAD(0x210, PIN_INPUT_PULLUP, 0) /* (AA1) MMC0_DAT1 */ + AM62AX_IOPAD(0x20c, PIN_INPUT_PULLUP, 0) /* (AA3) MMC0_DAT2 */ + AM62AX_IOPAD(0x208, PIN_INPUT_PULLUP, 0) /* (Y4) MMC0_DAT3 */ + AM62AX_IOPAD(0x204, PIN_INPUT_PULLUP, 0) /* (AB2) MMC0_DAT4 */ + AM62AX_IOPAD(0x200, PIN_INPUT_PULLUP, 0) /* (AC1) MMC0_DAT5 */ + AM62AX_IOPAD(0x1fc, PIN_INPUT_PULLUP, 0) /* (AD2) MMC0_DAT6 */ + AM62AX_IOPAD(0x1f8, PIN_INPUT_PULLUP, 0) /* (AC2) MMC0_DAT7 */ + >; + }; + main_mmc1_pins_default: main-mmc1-pins-default { pinctrl-single,pins = < AM62AX_IOPAD(0x23c, PIN_INPUT, 0) /* (A21) MMC1_CMD */ @@ -340,6 +357,14 @@ disable-wp; }; +&sdhci0 { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&main_mmc0_pins_default>; + ti,driver-strength-ohm = <50>; + disable-wp; +}; + &main_gpio0 { status = "okay"; }; |