From c76eb72c43ac3ef4518dac4bee653b769d95e63e Mon Sep 17 00:00:00 2001 From: Purna Chandra Mandal Date: Thu, 28 Jan 2016 15:30:19 +0530 Subject: board: add SDHCI support for PIC32MZDASK board. Enable MMC, SDHCI, FAT_FS support for PIC32MZ[DA] StarterKit. Also add custom scripts, rules to boot Linux from microSD card. Signed-off-by: Purna Chandra Mandal --- arch/mips/dts/pic32mzda.dtsi | 11 +++++++++++ arch/mips/dts/pic32mzda_sk.dts | 7 +++++++ 2 files changed, 18 insertions(+) (limited to 'arch') diff --git a/arch/mips/dts/pic32mzda.dtsi b/arch/mips/dts/pic32mzda.dtsi index c67cfa9..f1894ec 100644 --- a/arch/mips/dts/pic32mzda.dtsi +++ b/arch/mips/dts/pic32mzda.dtsi @@ -150,4 +150,15 @@ #gpio-cells = <2>; }; }; + + sdhci: sdhci@1f8ec000 { + compatible = "microchip,pic32mzda-sdhci"; + reg = <0x1f8ec000 0x100>; + interrupts = <191 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clock REF4CLK>, <&clock PB5CLK>; + clock-names = "base_clk", "sys_clk"; + clock-freq-min-max = <25000000>,<25000000>; + bus-width = <4>; + status = "disabled"; + }; }; diff --git a/arch/mips/dts/pic32mzda_sk.dts b/arch/mips/dts/pic32mzda_sk.dts index 99e7f64..f886a0f 100644 --- a/arch/mips/dts/pic32mzda_sk.dts +++ b/arch/mips/dts/pic32mzda_sk.dts @@ -23,6 +23,9 @@ }; &clock { + microchip,refo2-frequency = <50000000>; + microchip,refo4-frequency = <25000000>; + microchip,refo5-frequency = <40000000>; status = "okay"; u-boot,dm-pre-reloc; }; @@ -36,3 +39,7 @@ status = "okay"; u-boot,dm-pre-reloc; }; + +&sdhci { + status = "okay"; +}; \ No newline at end of file -- cgit v1.1