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Wed, 1 Sep 2021 01:39:59 -0400 (EDT) From: Samuel Holland To: Maxime Ripard , Chen-Yu Tsai , Jernej Skrabec , Rob Herring Cc: Michael Turquette , Stephen Boyd , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, Samuel Holland Subject: [RFC PATCH 6/7] [DO NOT MERGE] clk: sunxi-ng: Add support for H6 Date: Wed, 1 Sep 2021 00:39:50 -0500 Message-Id: <20210901053951.60952-7-samuel@sholland.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210901053951.60952-1-samuel@sholland.org> References: <20210901053951.60952-1-samuel@sholland.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210831_224003_920674_60AFDA28 X-CRM114-Status: GOOD ( 16.27 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org H6 has IOSC calibration and an ext-osc32k input. H6 has the osc32k mux and the rtc-32k mux, but no fanout mux. Signed-off-by: Samuel Holland --- drivers/clk/sunxi-ng/sun50i-rtc-ccu.c | 49 +++++++++++++++++++++++++++ drivers/rtc/rtc-sun6i.c | 17 ---------- 2 files changed, 49 insertions(+), 17 deletions(-) diff --git a/drivers/clk/sunxi-ng/sun50i-rtc-ccu.c b/drivers/clk/sunxi-ng/sun50i-rtc-ccu.c index 1dfa05c2f0e9..9603dc0d3d7b 100644 --- a/drivers/clk/sunxi-ng/sun50i-rtc-ccu.c +++ b/drivers/clk/sunxi-ng/sun50i-rtc-ccu.c @@ -227,6 +227,16 @@ static SUNXI_CCU_MUX_DATA_WITH_GATE(osc32k_fanout_clk, "rtc-32k-fanout", static SUNXI_CCU_M_FW_WITH_GATE(rtc_spi_clk, "rtc-spi", "ahb", 0x310, 0, 5, BIT(31), 0); +static struct ccu_common *sun50i_h6_rtc_ccu_clks[] = { + &iosc_clk, + &iosc_32k_clk, + &ext_osc32k_gate_clk.common, + &osc32k_clk.common, + &osc24M_32k_clk.common, + &rtc_32k_mux_clk.common, + &osc32k_fanout_clk.common, +}; + static struct ccu_common *sun50i_h616_rtc_ccu_clks[] = { &iosc_clk, &iosc_32k_clk, @@ -246,6 +256,21 @@ static struct ccu_common *sun50i_r329_rtc_ccu_clks[] = { &rtc_spi_clk.common, }; +static struct clk_hw_onecell_data sun50i_h6_rtc_ccu_hw_clks = { + .num = CLK_NUMBER, + .hws = { + [CLK_OSC32K] = &osc32k_clk.common.hw, + [CLK_OSC32K_FANOUT] = &osc32k_fanout_clk.common.hw, + [CLK_IOSC] = &iosc_clk.hw, + + [CLK_IOSC_32K] = &iosc_32k_clk.hw, + [CLK_EXT_OSC32K_GATE] = &ext_osc32k_gate_clk.common.hw, + [CLK_OSC24M_32K] = &osc24M_32k_clk.common.hw, + [CLK_RTC_32K] = &rtc_32k_mux_clk.common.hw, + [CLK_RTC_SPI] = NULL, + }, +}; + static struct clk_hw_onecell_data sun50i_h616_rtc_ccu_hw_clks = { .num = CLK_NUMBER, .hws = { @@ -276,6 +301,13 @@ static struct clk_hw_onecell_data sun50i_r329_rtc_ccu_hw_clks = { }, }; +static const struct sunxi_ccu_desc sun50i_h6_rtc_ccu_desc = { + .ccu_clks = sun50i_h6_rtc_ccu_clks, + .num_ccu_clks = ARRAY_SIZE(sun50i_h6_rtc_ccu_clks), + + .hw_clks = &sun50i_h6_rtc_ccu_hw_clks, +}; + static const struct sunxi_ccu_desc sun50i_h616_rtc_ccu_desc = { .ccu_clks = sun50i_h616_rtc_ccu_clks, .num_ccu_clks = ARRAY_SIZE(sun50i_h616_rtc_ccu_clks), @@ -318,6 +350,23 @@ static void __init sunxi_rtc_ccu_init(struct device_node *node, of_sunxi_ccu_probe(node, reg, desc); } +static void __init sun50i_h6_rtc_ccu_setup(struct device_node *node) +{ + struct clk_init_data *init; + + have_iosc_calib = 1; + + /* Casting away the const from a pointer to a non-const anonymous object... */ + init = (struct clk_init_data *)osc32k_fanout_clk.common.hw.init; + + /* Fanout only has one parent: osc32k. */ + init->num_parents = 1; + + sunxi_rtc_ccu_init(node, &sun50i_h6_rtc_ccu_desc); +} +CLK_OF_DECLARE_DRIVER(sun50i_h6_rtc_ccu, "allwinner,sun50i-h6-rtc", + sun50i_h6_rtc_ccu_setup); + static void __init sun50i_h616_rtc_ccu_setup(struct device_node *node) { have_iosc_calib = 1; diff --git a/drivers/rtc/rtc-sun6i.c b/drivers/rtc/rtc-sun6i.c index adec1b14a8de..f7cbbf57f112 100644 --- a/drivers/rtc/rtc-sun6i.c +++ b/drivers/rtc/rtc-sun6i.c @@ -363,23 +363,6 @@ CLK_OF_DECLARE_DRIVER(sun8i_h3_rtc_clk, "allwinner,sun8i-h3-rtc", CLK_OF_DECLARE_DRIVER(sun50i_h5_rtc_clk, "allwinner,sun50i-h5-rtc", sun8i_h3_rtc_clk_init); -static const struct sun6i_rtc_clk_data sun50i_h6_rtc_data = { - .rc_osc_rate = 16000000, - .fixed_prescaler = 32, - .has_prescaler = 1, - .has_out_clk = 1, - .export_iosc = 1, - .has_losc_en = 1, - .has_auto_swt = 1, -}; - -static void __init sun50i_h6_rtc_clk_init(struct device_node *node) -{ - sun6i_rtc_clk_init(node, &sun50i_h6_rtc_data); -} -CLK_OF_DECLARE_DRIVER(sun50i_h6_rtc_clk, "allwinner,sun50i-h6-rtc", - sun50i_h6_rtc_clk_init); - /* * The R40 user manual is self-conflicting on whether the prescaler is * fixed or configurable. The clock diagram shows it as fixed, but there -- 2.31.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel