From mboxrd@z Thu Jan 1 00:00:00 1970 From: Shobhit Kumar Subject: [v3 2/7] mfd: intel_soc_pmic_core: Add lookup table for Panel Control as GPIO signal Date: Fri, 26 Jun 2015 14:32:05 +0530 Message-ID: <1435309330-50725-3-git-send-email-shobhit.kumar@intel.com> References: <1435309330-50725-1-git-send-email-shobhit.kumar@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1435309330-50725-1-git-send-email-shobhit.kumar@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: linux-pwm , intel-gfx , linux-kernel , dri-devel , linux-gpio Cc: Alexandre Courbot , Paul Bolle , Samuel Ortiz , Povilas Staniulis , Jani Nikula , Shobhit Kumar , Linus Walleij , varkabhadram@gmail.com, Paul Gortmaker , bloften80@gmail.com, David Airlie , Chih-Wei Huang , Thierry Reding , Daniel Vetter , Lee Jones List-Id: linux-gpio@vger.kernel.org T24gc29tZSBJbnRlbCBTb0MgcGxhdGZvcm1zLCB0aGUgcGFuZWwgZW5hYmxlL2Rpc2FibGUgc2ln bmFscyBhcmUKY29udHJvbGxlZCBieSBDUkMgUE1JQy4gQWRkIHRob3NlIGNvbnRyb2wgYXMgYSBu ZXcgR1BJTyBpbiBhIGxvb2t1cAp0YWJsZSBmb3IgZ3Bpby1jcnlzdGFsY292ZSBjaGlwIGR1cmlu ZyBDUkMgZHJpdmVyIGxvYWQKCkNDOiBTYW11ZWwgT3J0aXogPHNhbWVvQGxpbnV4LmludGVsLmNv bT4KQ2M6IExpbnVzIFdhbGxlaWogPGxpbnVzLndhbGxlaWpAbGluYXJvLm9yZz4KQ2M6IEFsZXhh bmRyZSBDb3VyYm90IDxnbnVyb3VAZ21haWwuY29tPgpDYzogVGhpZXJyeSBSZWRpbmcgPHRoaWVy cnkucmVkaW5nQGdtYWlsLmNvbT4KQWNrZWQtYnk6IExlZSBKb25lcyA8bGVlLmpvbmVzQGxpbmFy by5vcmc+CkFja2VkLWJ5OiBMaW51cyBXYWxsZWlqIDxsaW51cy53YWxsZWlqQGxpbmFyby5vcmc+ ClRlc3RlZC1ieTogVmlsbGUgU3lyasOkbMOkIDx2aWxsZS5zeXJqYWxhQGxpbnV4LmludGVsLmNv bT4KU2lnbmVkLW9mZi1ieTogU2hvYmhpdCBLdW1hciA8c2hvYmhpdC5rdW1hckBpbnRlbC5jb20+ Ci0tLQp2MjogTWFrZSB0aGUgbG9va3VwIHRhYmxlIHN0YXRpYyAoVGhpZXJyeSkKICAgIFJlbW92 ZSB0aGUgbG9va3VwIHRhYmxlIGR1cmluZyBkcml2ZXIgcmVtb3ZlIChUaGllcnJ5KQoKdjM6IENv cnJlY3QgdGhlIHN1YmplY3QgbGluZSAoTGVlIGpvbmVzKQoKIGRyaXZlcnMvbWZkL2ludGVsX3Nv Y19wbWljX2NvcmUuYyB8IDE3ICsrKysrKysrKysrKysrKysrCiAxIGZpbGUgY2hhbmdlZCwgMTcg aW5zZXJ0aW9ucygrKQoKZGlmZiAtLWdpdCBhL2RyaXZlcnMvbWZkL2ludGVsX3NvY19wbWljX2Nv cmUuYyBiL2RyaXZlcnMvbWZkL2ludGVsX3NvY19wbWljX2NvcmUuYwppbmRleCA3YjUwYjZiLi5m M2Q5MThlIDEwMDY0NAotLS0gYS9kcml2ZXJzL21mZC9pbnRlbF9zb2NfcG1pY19jb3JlLmMKKysr IGIvZHJpdmVycy9tZmQvaW50ZWxfc29jX3BtaWNfY29yZS5jCkBAIC0yNCw4ICsyNCwxOSBAQAog I2luY2x1ZGUgPGxpbnV4L2FjcGkuaD4KICNpbmNsdWRlIDxsaW51eC9yZWdtYXAuaD4KICNpbmNs dWRlIDxsaW51eC9tZmQvaW50ZWxfc29jX3BtaWMuaD4KKyNpbmNsdWRlIDxsaW51eC9ncGlvL21h Y2hpbmUuaD4KICNpbmNsdWRlICJpbnRlbF9zb2NfcG1pY19jb3JlLmgiCiAKKy8qIExvb2t1cCB0 YWJsZSBmb3IgdGhlIFBhbmVsIEVuYWJsZS9EaXNhYmxlIGxpbmUgYXMgR1BJTyBzaWduYWxzICov CitzdGF0aWMgc3RydWN0IGdwaW9kX2xvb2t1cF90YWJsZSBwYW5lbF9ncGlvX3RhYmxlID0gewor CS8qIEludGVsIEdGWCBpcyBjb25zdW1lciAqLworCS5kZXZfaWQgPSAiMDAwMDowMDowMi4wIiwK KwkudGFibGUgPSB7CisJCS8qIFBhbmVsIEVOL0RJU0FCTEUgKi8KKwkJR1BJT19MT09LVVAoImdw aW9fY3J5c3RhbGNvdmUiLCA5NCwgInBhbmVsIiwgR1BJT19BQ1RJVkVfSElHSCksCisJfSwKK307 CisKIHN0YXRpYyBpbnQgaW50ZWxfc29jX3BtaWNfZmluZF9ncGlvX2lycShzdHJ1Y3QgZGV2aWNl ICpkZXYpCiB7CiAJc3RydWN0IGdwaW9fZGVzYyAqZGVzYzsKQEAgLTg1LDYgKzk2LDkgQEAgc3Rh dGljIGludCBpbnRlbF9zb2NfcG1pY19pMmNfcHJvYmUoc3RydWN0IGkyY19jbGllbnQgKmkyYywK IAlpZiAocmV0KQogCQlkZXZfd2FybihkZXYsICJDYW4ndCBlbmFibGUgSVJRIGFzIHdha2Ugc291 cmNlOiAlZFxuIiwgcmV0KTsKIAorCS8qIEFkZCBsb29rdXAgdGFibGUgYmluZGluZyBmb3IgUGFu ZWwgQ29udHJvbCB0byB0aGUgR1BJTyBDaGlwICovCisJZ3Bpb2RfYWRkX2xvb2t1cF90YWJsZSgm cGFuZWxfZ3Bpb190YWJsZSk7CisKIAlyZXQgPSBtZmRfYWRkX2RldmljZXMoZGV2LCAtMSwgY29u ZmlnLT5jZWxsX2RldiwKIAkJCSAgICAgIGNvbmZpZy0+bl9jZWxsX2RldnMsIE5VTEwsIDAsCiAJ CQkgICAgICByZWdtYXBfaXJxX2dldF9kb21haW4ocG1pYy0+aXJxX2NoaXBfZGF0YSkpOwpAQCAt MTA0LDYgKzExOCw5IEBAIHN0YXRpYyBpbnQgaW50ZWxfc29jX3BtaWNfaTJjX3JlbW92ZShzdHJ1 Y3QgaTJjX2NsaWVudCAqaTJjKQogCiAJcmVnbWFwX2RlbF9pcnFfY2hpcChwbWljLT5pcnEsIHBt aWMtPmlycV9jaGlwX2RhdGEpOwogCisJLyogUmVtb3ZlIGxvb2t1cCB0YWJsZSBmb3IgUGFuZWwg Q29udHJvbCBmcm9tIHRoZSBHUElPIENoaXAgKi8KKwlncGlvZF9yZW1vdmVfbG9va3VwX3RhYmxl KCZwYW5lbF9ncGlvX3RhYmxlKTsKKwogCW1mZF9yZW1vdmVfZGV2aWNlcygmaTJjLT5kZXYpOwog CiAJcmV0dXJuIDA7Ci0tIAoxLjkuMQoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJl ZWRlc2t0b3Aub3JnCmh0dHA6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5m by9pbnRlbC1nZngK From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752532AbbFZJCp (ORCPT ); Fri, 26 Jun 2015 05:02:45 -0400 Received: from mga01.intel.com ([192.55.52.88]:17546 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752175AbbFZJCe (ORCPT ); Fri, 26 Jun 2015 05:02:34 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.13,683,1427785200"; d="scan'208";a="718042685" From: Shobhit Kumar To: linux-pwm , intel-gfx , linux-kernel , dri-devel , linux-gpio Cc: Paul Bolle , Jani Nikula , Samuel Ortiz , Alexandre Courbot , David Airlie , Povilas Staniulis , Chih-Wei Huang , Thierry Reding , Daniel Vetter , Lee Jones , Linus Walleij , Paul Gortmaker , bloften80@gmail.com, varkabhadram@gmail.com, Shobhit Kumar Subject: [v3 2/7] mfd: intel_soc_pmic_core: Add lookup table for Panel Control as GPIO signal Date: Fri, 26 Jun 2015 14:32:05 +0530 Message-Id: <1435309330-50725-3-git-send-email-shobhit.kumar@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1435309330-50725-1-git-send-email-shobhit.kumar@intel.com> References: <1435309330-50725-1-git-send-email-shobhit.kumar@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On some Intel SoC platforms, the panel enable/disable signals are controlled by CRC PMIC. Add those control as a new GPIO in a lookup table for gpio-crystalcove chip during CRC driver load CC: Samuel Ortiz Cc: Linus Walleij Cc: Alexandre Courbot Cc: Thierry Reding Acked-by: Lee Jones Acked-by: Linus Walleij Tested-by: Ville Syrjälä Signed-off-by: Shobhit Kumar --- v2: Make the lookup table static (Thierry) Remove the lookup table during driver remove (Thierry) v3: Correct the subject line (Lee jones) drivers/mfd/intel_soc_pmic_core.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/drivers/mfd/intel_soc_pmic_core.c b/drivers/mfd/intel_soc_pmic_core.c index 7b50b6b..f3d918e 100644 --- a/drivers/mfd/intel_soc_pmic_core.c +++ b/drivers/mfd/intel_soc_pmic_core.c @@ -24,8 +24,19 @@ #include #include #include +#include #include "intel_soc_pmic_core.h" +/* Lookup table for the Panel Enable/Disable line as GPIO signals */ +static struct gpiod_lookup_table panel_gpio_table = { + /* Intel GFX is consumer */ + .dev_id = "0000:00:02.0", + .table = { + /* Panel EN/DISABLE */ + GPIO_LOOKUP("gpio_crystalcove", 94, "panel", GPIO_ACTIVE_HIGH), + }, +}; + static int intel_soc_pmic_find_gpio_irq(struct device *dev) { struct gpio_desc *desc; @@ -85,6 +96,9 @@ static int intel_soc_pmic_i2c_probe(struct i2c_client *i2c, if (ret) dev_warn(dev, "Can't enable IRQ as wake source: %d\n", ret); + /* Add lookup table binding for Panel Control to the GPIO Chip */ + gpiod_add_lookup_table(&panel_gpio_table); + ret = mfd_add_devices(dev, -1, config->cell_dev, config->n_cell_devs, NULL, 0, regmap_irq_get_domain(pmic->irq_chip_data)); @@ -104,6 +118,9 @@ static int intel_soc_pmic_i2c_remove(struct i2c_client *i2c) regmap_del_irq_chip(pmic->irq, pmic->irq_chip_data); + /* Remove lookup table for Panel Control from the GPIO Chip */ + gpiod_remove_lookup_table(&panel_gpio_table); + mfd_remove_devices(&i2c->dev); return 0; -- 1.9.1