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Fri, 13 Dec 2019 05:30:01 -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 v2 3/3] media: platform: meson-ao-cec-g12a: add wakeup support Date: Fri, 13 Dec 2019 14:29:56 +0100 Message-Id: <20191213132956.11074-4-glaroque@baylibre.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191213132956.11074-1-glaroque@baylibre.com> References: <20191213132956.11074-1-glaroque@baylibre.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191213_053003_679902_BAFFAE28 X-CRM114-Status: GOOD ( 12.12 ) X-BeenThere: linux-arm-kernel@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 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org add register configuration to activate wakeup feature in bl301 Tested-by: Kevin Hilman 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 891533060d49..85850b974126 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 +169,18 @@ #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) + struct meson_ao_cec_g12a_data { /* Setup the internal CECB_CTRL2 register */ bool ctrl2_setup; @@ -177,6 +190,7 @@ 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 +532,13 @@ 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_LOG_ADDR_MASK, + FIELD_PREP(CECB_LOG_ADDR_MASK, + logical_addr)); + /* 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; @@ -685,6 +713,11 @@ 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, -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel