[src/trunk]: src/sys/arch/arm/sunxi If an mmc-pwrseq provider is available, u...

[jmcneill <jmcneill%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/bb913083736d
branches:  trunk
changeset: 356960:bb913083736d
user:      jmcneill <jmcneill%NetBSD.org@localhost>
date:      Sun Oct 22 13:57:25 2017 +0000

description:
If an mmc-pwrseq provider is available, use it

diffstat:

 sys/arch/arm/sunxi/sunxi_mmc.c |  14 ++++++++++++--
 1 files changed, 12 insertions(+), 2 deletions(-)

diffs (53 lines):

diff -r 5012ff667c38 -r bb913083736d sys/arch/arm/sunxi/sunxi_mmc.c
--- a/sys/arch/arm/sunxi/sunxi_mmc.c    Sun Oct 22 13:56:49 2017 +0000
+++ b/sys/arch/arm/sunxi/sunxi_mmc.c    Sun Oct 22 13:57:25 2017 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: sunxi_mmc.c,v 1.11 2017/10/21 11:47:17 jmcneill Exp $ */
+/* $NetBSD: sunxi_mmc.c,v 1.12 2017/10/22 13:57:25 jmcneill Exp $ */
 
 /*-
  * Copyright (c) 2014-2017 Jared McNeill <jmcneill%invisible.ca@localhost>
@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: sunxi_mmc.c,v 1.11 2017/10/21 11:47:17 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: sunxi_mmc.c,v 1.12 2017/10/22 13:57:25 jmcneill Exp $");
 
 #include <sys/param.h>
 #include <sys/bus.h>
@@ -168,6 +168,8 @@
        int sc_gpio_wp_inverted;
 
        struct fdtbus_regulator *sc_reg_vqmmc;
+
+       struct fdtbus_mmc_pwrseq *sc_pwrseq;
 };
 
 CFATTACH_DECL_NEW(sunxi_mmc, sizeof(struct sunxi_mmc_softc),
@@ -266,6 +268,8 @@
 
        sc->sc_reg_vqmmc = fdtbus_regulator_acquire(phandle, "vqmmc-supply");
 
+       sc->sc_pwrseq = fdtbus_mmc_pwrseq_get(phandle);
+
        if (clk_enable(sc->sc_clk_ahb) != 0 ||
            clk_enable(sc->sc_clk_mmc) != 0) {
                aprint_error(": couldn't enable clocks\n");
@@ -414,10 +418,16 @@
        struct sdmmcbus_attach_args saa;
        uint32_t width;
 
+       if (sc->sc_pwrseq)
+               fdtbus_mmc_pwrseq_pre_power_on(sc->sc_pwrseq);
+
        sunxi_mmc_host_reset(sc);
        sunxi_mmc_bus_width(sc, 1);
        sunxi_mmc_set_clock(sc, 400, false);
 
+       if (sc->sc_pwrseq)
+               fdtbus_mmc_pwrseq_post_power_on(sc->sc_pwrseq);
+
        if (of_getprop_uint32(sc->sc_phandle, "bus-width", &width) != 0)
                width = 4;