[RFC PATCH 7/7] [DO NOT MERGE] clk: sunxi-ng: Add support for T5
From: Samuel Holland <samuel@sholland.org>
Date: 2021-09-01 05:40:17
Also in:
linux-clk, linux-devicetree, linux-sunxi, lkml
Subsystem:
arm/allwinner sunxi soc support, common clk framework, the rest · Maintainers:
Chen-Yu Tsai, Jernej Skrabec, Samuel Holland, Michael Turquette, Stephen Boyd, Linus Torvalds
The T5 RTC is similar to the H616 RTC (no rtc-32k mux, pll-32k as the second fanout input), except that it adds the ext-osc32k input. It also isn't a "sun50i" SoC, so it creates a bit of a naming problem... Signed-off-by: Samuel Holland <samuel@sholland.org> --- drivers/clk/sunxi-ng/sun50i-rtc-ccu.c | 40 +++++++++++++++++++++++++++ 1 file changed, 40 insertions(+)
diff --git a/drivers/clk/sunxi-ng/sun50i-rtc-ccu.c b/drivers/clk/sunxi-ng/sun50i-rtc-ccu.c
index 9603dc0d3d7b..fe6b21a24193 100644
--- a/drivers/clk/sunxi-ng/sun50i-rtc-ccu.c
+++ b/drivers/clk/sunxi-ng/sun50i-rtc-ccu.c@@ -227,6 +227,15 @@ 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 *sun8i_t5_rtc_ccu_clks[] = { + &iosc_clk, + &iosc_32k_clk, + &ext_osc32k_gate_clk.common, + &osc32k_clk.common, + &osc24M_32k_clk.common, + &osc32k_fanout_clk.common, +}; + static struct ccu_common *sun50i_h6_rtc_ccu_clks[] = { &iosc_clk, &iosc_32k_clk,
@@ -256,6 +265,21 @@ static struct ccu_common *sun50i_r329_rtc_ccu_clks[] = { &rtc_spi_clk.common, }; +static struct clk_hw_onecell_data sun8i_t5_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_fixed_clk.hw, + [CLK_RTC_SPI] = NULL, + }, +}; + static struct clk_hw_onecell_data sun50i_h6_rtc_ccu_hw_clks = { .num = CLK_NUMBER, .hws = {
@@ -301,6 +325,13 @@ static struct clk_hw_onecell_data sun50i_r329_rtc_ccu_hw_clks = { }, }; +static const struct sunxi_ccu_desc sun8i_t5_rtc_ccu_desc = { + .ccu_clks = sun8i_t5_rtc_ccu_clks, + .num_ccu_clks = ARRAY_SIZE(sun8i_t5_rtc_ccu_clks), + + .hw_clks = &sun8i_t5_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),
@@ -350,6 +381,15 @@ static void __init sunxi_rtc_ccu_init(struct device_node *node, of_sunxi_ccu_probe(node, reg, desc); } +static void __init sun8i_t5_rtc_ccu_setup(struct device_node *node) +{ + have_iosc_calib = 1; + + sunxi_rtc_ccu_init(node, &sun8i_t5_rtc_ccu_desc); +} +CLK_OF_DECLARE_DRIVER(sun8i_t5_rtc_ccu, "allwinner,sun8i-t5-rtc", + sun8i_t5_rtc_ccu_setup); + static void __init sun50i_h6_rtc_ccu_setup(struct device_node *node) { struct clk_init_data *init;
--
2.31.1
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