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[90.63.244.31]) by smtp.gmail.com with ESMTPSA id h8sm6670292wrx.63.2019.12.12.06.59.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 12 Dec 2019 06:59:29 -0800 (PST) From: Guillaume La Roque To: narmstrong@baylibre.com, mchehab@kernel.org, hverkuil-cisco@xs4all.nl, khilman@baylibre.com, devicetree@vger.kernel.org Subject: [PATCH 3/3] media: platform: meson-ao-cec-g12a: add wakeup support Date: Thu, 12 Dec 2019 15:59:25 +0100 Message-Id: <20191212145925.32123-4-glaroque@baylibre.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191212145925.32123-1-glaroque@baylibre.com> References: <20191212145925.32123-1-glaroque@baylibre.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191212_065932_320723_9C890BE9 X-CRM114-Status: UNSURE ( 9.93 ) X-CRM114-Notice: Please train this message. X-Spam-Score: 0.0 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2a00:1450:4864:20:0:0:0:343 listed in] [list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org MIME-Version: 1.0 Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+patchwork-linux-amlogic=patchwork.kernel.org@lists.infradead.org add register configuration to activate wakeup feature in bl301 Signed-off-by: Guillaume La Roque --- drivers/media/platform/meson/ao-cec-g12a.c | 33 ++++++++++++++++++++++ 1 file changed, 33 insertions(+) diff --git a/drivers/media/platform/meson/ao-cec-g12a.c b/drivers/media/platform/meson/ao-cec-g12a.c index 3b39e875292e..d441b5a62b0c 100644 --- a/drivers/media/platform/meson/ao-cec-g12a.c +++ b/drivers/media/platform/meson/ao-cec-g12a.c @@ -25,6 +25,7 @@ #include #include #include +#include /* CEC Registers */ @@ -168,6 +169,19 @@ #define CECB_WAKEUPCTRL 0x31 +#define CECB_FUNC_CFG_REG 0xA0 +#define CECB_FUNC_CFG_MASK GENMASK(6, 0) +#define CECB_FUNC_CFG_CEC_ON 0x01 +#define CECB_FUNC_CFG_OTP_ON 0x02 +#define CECB_FUNC_CFG_AUTO_STANDBY 0x04 +#define CECB_FUNC_CFG_AUTO_POWER_ON 0x08 +#define CECB_FUNC_CFG_ALL 0x2f +#define CECB_FUNC_CFG_NONE 0x0 + +#define CECB_LOG_ADDR_REG 0xA4 +#define CECB_LOG_ADDR_MASK GENMASK(22, 16) +#define CECB_LOG_ADDR_SHIFT 16 + struct meson_ao_cec_g12a_data { /* Setup the internal CECB_CTRL2 register */ bool ctrl2_setup; @@ -177,6 +191,7 @@ struct meson_ao_cec_g12a_device { struct platform_device *pdev; struct regmap *regmap; struct regmap *regmap_cec; + struct regmap *regmap_ao_sysctrl; spinlock_t cec_reg_lock; struct cec_notifier *notify; struct cec_adapter *adap; @@ -518,6 +533,12 @@ meson_ao_cec_g12a_set_log_addr(struct cec_adapter *adap, u8 logical_addr) BIT(logical_addr - 8)); } + if (ao_cec->regmap_ao_sysctrl) + ret |= regmap_update_bits(ao_cec->regmap_ao_sysctrl, + CECB_LOG_ADDR_REG, + CECB_FUNC_CFG_MASK, + logical_addr << CECB_LOG_ADDR_SHIFT); + /* Always set Broadcast/Unregistered 15 address */ ret |= regmap_update_bits(ao_cec->regmap_cec, CECB_LADD_HIGH, BIT(CEC_LOG_ADDR_UNREGISTERED - 8), @@ -618,6 +639,13 @@ static int meson_ao_cec_g12a_adap_enable(struct cec_adapter *adap, bool enable) regmap_write(ao_cec->regmap_cec, CECB_CTRL2, FIELD_PREP(CECB_CTRL2_RISE_DEL_MAX, 2)); + if (ao_cec->regmap_ao_sysctrl) { + regmap_update_bits(ao_cec->regmap_ao_sysctrl, + CECB_FUNC_CFG_REG, + CECB_FUNC_CFG_MASK, + CECB_FUNC_CFG_ALL); + } + meson_ao_cec_g12a_irq_setup(ao_cec, true); return 0; @@ -692,6 +720,11 @@ static int meson_ao_cec_g12a_probe(struct platform_device *pdev) goto out_probe_adapter; } + ao_cec->regmap_ao_sysctrl = syscon_regmap_lookup_by_phandle + (pdev->dev.of_node, "amlogic,ao-sysctrl"); + if (IS_ERR(ao_cec->regmap_ao_sysctrl)) + dev_warn(&pdev->dev, "ao-sysctrl syscon regmap lookup failed.\n"); + irq = platform_get_irq(pdev, 0); ret = devm_request_threaded_irq(&pdev->dev, irq, meson_ao_cec_g12a_irq,