From owner-dev-commits-src-main@freebsd.org Fri May 21 16:04:18 2021 Return-Path: Delivered-To: dev-commits-src-main@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 274526364F7; Fri, 21 May 2021 16:04:18 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4FmryT623Xz3JWg; Fri, 21 May 2021 16:04:17 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 98F7B1454C; Fri, 21 May 2021 16:04:17 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.16.1/8.16.1) with ESMTP id 14LG4HrS005138; Fri, 21 May 2021 16:04:17 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 14LG4HsE005137; Fri, 21 May 2021 16:04:17 GMT (envelope-from git) Date: Fri, 21 May 2021 16:04:17 GMT Message-Id: <202105211604.14LG4HsE005137@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Emmanuel Vadot Subject: git: 03d4e8bb6592 - main - mmc_fdt_helper: Add mmc_fdt_set_power MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: manu X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 03d4e8bb6592fefab7b17f1d163adba4e35a12c2 Auto-Submitted: auto-generated X-BeenThere: dev-commits-src-main@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Commit messages for the main branch of the src repository List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 21 May 2021 16:04:18 -0000 The branch main has been updated by manu: URL: https://cgit.FreeBSD.org/src/commit/?id=03d4e8bb6592fefab7b17f1d163adba4e35a12c2 commit 03d4e8bb6592fefab7b17f1d163adba4e35a12c2 Author: Emmanuel Vadot AuthorDate: 2021-05-16 14:18:46 +0000 Commit: Emmanuel Vadot CommitDate: 2021-05-21 15:38:05 +0000 mmc_fdt_helper: Add mmc_fdt_set_power This helper can be used to enable/disable the regulator and starting the power sequence of sd/sdio/eMMC cards. Sponsored by: Diablotin Systems Differential Revision: https://reviews.freebsd.org/D30291 --- sys/dev/mmc/mmc_fdt_helpers.c | 42 ++++++++++++++++++++++++++++++++++++++++++ sys/dev/mmc/mmc_fdt_helpers.h | 1 + 2 files changed, 43 insertions(+) diff --git a/sys/dev/mmc/mmc_fdt_helpers.c b/sys/dev/mmc/mmc_fdt_helpers.c index e544f3c4ac08..4e8a1730d240 100644 --- a/sys/dev/mmc/mmc_fdt_helpers.c +++ b/sys/dev/mmc/mmc_fdt_helpers.c @@ -45,6 +45,8 @@ __FBSDID("$FreeBSD$"); #include #endif +#include "mmc_pwrseq_if.h" + static inline void mmc_fdt_parse_sd_speed(phandle_t node, struct mmc_host *host) { @@ -423,3 +425,43 @@ mmc_fdt_gpio_get_readonly(struct mmc_fdt_helper *helper) return (pinstate ^ (helper->props & MMC_PROP_WP_INVERTED)); } + +void +mmc_fdt_set_power(struct mmc_fdt_helper *helper, enum mmc_power_mode power_mode) +{ + int reg_status; + int rv; + + switch (power_mode) { + case power_on: + break; + case power_off: + if (helper->vmmc_supply) { + rv = regulator_status(helper->vmmc_supply, ®_status); + if (rv == 0 && reg_status == REGULATOR_STATUS_ENABLED) + regulator_disable(helper->vmmc_supply); + } + if (helper->vqmmc_supply) { + rv = regulator_status(helper->vqmmc_supply, ®_status); + if (rv == 0 && reg_status == REGULATOR_STATUS_ENABLED) + regulator_disable(helper->vqmmc_supply); + } + if (helper->mmc_pwrseq) + MMC_PWRSEQ_SET_POWER(helper->mmc_pwrseq, false); + break; + case power_up: + if (helper->vmmc_supply) { + rv = regulator_status(helper->vmmc_supply, ®_status); + if (rv == 0 && reg_status != REGULATOR_STATUS_ENABLED) + regulator_enable(helper->vmmc_supply); + } + if (helper->vqmmc_supply) { + rv = regulator_status(helper->vqmmc_supply, ®_status); + if (rv == 0 && reg_status != REGULATOR_STATUS_ENABLED) + regulator_enable(helper->vqmmc_supply); + } + if (helper->mmc_pwrseq) + MMC_PWRSEQ_SET_POWER(helper->mmc_pwrseq, true); + break; + } +} diff --git a/sys/dev/mmc/mmc_fdt_helpers.h b/sys/dev/mmc/mmc_fdt_helpers.h index c6e2175690ee..e6d6f3fbfd84 100644 --- a/sys/dev/mmc/mmc_fdt_helpers.h +++ b/sys/dev/mmc/mmc_fdt_helpers.h @@ -74,5 +74,6 @@ int mmc_fdt_gpio_setup(device_t dev, phandle_t node, struct mmc_fdt_helper *help void mmc_fdt_gpio_teardown(struct mmc_fdt_helper *helper); bool mmc_fdt_gpio_get_present(struct mmc_fdt_helper *helper); bool mmc_fdt_gpio_get_readonly(struct mmc_fdt_helper *helper); +void mmc_fdt_set_power(struct mmc_fdt_helper *helper, enum mmc_power_mode power_mode); #endif