linux_dsm_epyc7002/arch/arm/boot/dts/sama5d3_mci2.dtsi
Sylvain Rochet 7c512d551e ARM: at91/dt: add pullup on mmc2 data signals
MMC data lines may be left floating if nothing is currently driving the
data lines, which is the case when mmc is in idle state, thus consuming
a useless extra amount of power. Add pullup on mmc2 data signals in the
same way it was previously done for mmc0 and mmc1.

Signed-off-by: Sylvain Rochet <sylvain.rochet@finsecur.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2015-10-19 17:57:43 +02:00

60 lines
1.7 KiB
Plaintext

/*
* sama5d3_mci2.dtsi - Device Tree Include file for SAMA5D3 SoC with
* 3 MMC ports
*
* Copyright (C) 2013 Boris BREZILLON <b.brezillon@overkiz.com>
*
* Licensed under GPLv2.
*/
#include <dt-bindings/pinctrl/at91.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/clock/at91.h>
/ {
ahb {
apb {
pinctrl@fffff200 {
mmc2 {
pinctrl_mmc2_clk_cmd_dat0: mmc2_clk_cmd_dat0 {
atmel,pins =
<AT91_PIOC 15 AT91_PERIPH_A AT91_PINCTRL_NONE /* PC15 periph A MCI2_CK, conflicts with PCK2 */
AT91_PIOC 10 AT91_PERIPH_A AT91_PINCTRL_PULL_UP /* PC10 periph A MCI2_CDA with pullup */
AT91_PIOC 11 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>; /* PC11 periph A MCI2_DA0 with pullup */
};
pinctrl_mmc2_dat1_3: mmc2_dat1_3 {
atmel,pins =
<AT91_PIOC 12 AT91_PERIPH_A AT91_PINCTRL_PULL_UP /* PC12 periph A MCI2_DA1 with pullup, conflicts with TIOA1 */
AT91_PIOC 13 AT91_PERIPH_A AT91_PINCTRL_PULL_UP /* PC13 periph A MCI2_DA2 with pullup, conflicts with TIOB1 */
AT91_PIOC 14 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>; /* PC14 periph A MCI2_DA3 with pullup, conflicts with TCLK1 */
};
};
};
pmc: pmc@fffffc00 {
periphck {
mci2_clk: mci2_clk {
#clock-cells = <0>;
reg = <23>;
};
};
};
mmc2: mmc@f8004000 {
compatible = "atmel,hsmci";
reg = <0xf8004000 0x600>;
interrupts = <23 IRQ_TYPE_LEVEL_HIGH 0>;
dmas = <&dma1 2 AT91_DMA_CFG_PER_ID(1)>;
dma-names = "rxtx";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_mmc2_clk_cmd_dat0 &pinctrl_mmc2_dat1_3>;
clocks = <&mci2_clk>;
clock-names = "mci_clk";
status = "disabled";
#address-cells = <1>;
#size-cells = <0>;
};
};
};
};