[PATCH 3/3] arm64: dts: s32g2: add USDHC support
From: Chester Lin <hidden>
Date: 2021-10-21 07:14:24
Also in:
linux-arm-kernel, linux-mmc, lkml
Subsystem:
arm/freescale imx / mxc arm architecture, arm/nxp s32g architecture, the rest · Maintainers:
Frank Li, Sascha Hauer, Linus Torvalds
Add a mmc node to support USDHC on NXP S32G2 platforms. Signed-off-by: Chester Lin <redacted> --- arch/arm64/boot/dts/freescale/s32g2.dtsi | 32 +++++++++++++++++++ .../arm64/boot/dts/freescale/s32g274a-evb.dts | 4 +++ .../boot/dts/freescale/s32g274a-rdb2.dts | 4 +++ 3 files changed, 40 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/s32g2.dtsi b/arch/arm64/boot/dts/freescale/s32g2.dtsi
index 59ea8a25aa4c..19e2e2561374 100644
--- a/arch/arm64/boot/dts/freescale/s32g2.dtsi
+++ b/arch/arm64/boot/dts/freescale/s32g2.dtsi@@ -79,6 +79,26 @@ psci { }; }; + clocks { + usdhc_clk_module: usdhc_clk_module { + compatible = "fixed-clock"; + clock-frequency = <133333333>; + #clock-cells = <0>; + }; + + usdhc_clk_ahb: usdhc_clk_ahb { + compatible = "fixed-clock"; + clock-frequency = <400000000>; + #clock-cells = <0>; + }; + + usdhc_clk_core: usdhc_clk_core { + compatible = "fixed-clock"; + clock-frequency = <400000000>; + #clock-cells = <0>; + }; + }; + soc { compatible = "simple-bus"; #address-cells = <1>;
@@ -109,6 +129,18 @@ uart2: serial@402bc000 { status = "disabled"; }; + usdhc0: mmc@402f0000 { + compatible = "nxp,s32g2-usdhc"; + reg = <0x402f0000 0x1000>; + interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>; + bus-width = <8>; + clocks = <&usdhc_clk_module>, <&usdhc_clk_ahb>, + <&usdhc_clk_core>; + clock-names = "ipg", "ahb", "per"; + no-1-8-v; + status = "disabled"; + }; + gic: interrupt-controller@50800000 { compatible = "arm,gic-v3"; reg = <0x50800000 0x10000>,
diff --git a/arch/arm64/boot/dts/freescale/s32g274a-evb.dts b/arch/arm64/boot/dts/freescale/s32g274a-evb.dts
index 9118d8d2ee01..89428f1883d9 100644
--- a/arch/arm64/boot/dts/freescale/s32g274a-evb.dts
+++ b/arch/arm64/boot/dts/freescale/s32g274a-evb.dts@@ -32,3 +32,7 @@ memory@80000000 { &uart0 { status = "okay"; }; + +&usdhc0 { + status = "okay"; +};
diff --git a/arch/arm64/boot/dts/freescale/s32g274a-rdb2.dts b/arch/arm64/boot/dts/freescale/s32g274a-rdb2.dts
index e05ee854cdf5..30eae51121de 100644
--- a/arch/arm64/boot/dts/freescale/s32g274a-rdb2.dts
+++ b/arch/arm64/boot/dts/freescale/s32g274a-rdb2.dts@@ -38,3 +38,7 @@ &uart0 { &uart1 { status = "okay"; }; + +&usdhc0 { + status = "okay"; +};
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2.30.0