diff mbox series

[RFC,7/7,DO,NOT,MERGE] clk: sunxi-ng: Add support for T5

Message ID 20210901053951.60952-8-samuel@sholland.org (mailing list archive)
State Not Applicable, archived
Headers show
Series clk: sunxi-ng: Add a RTC CCU driver | expand

Commit Message

Samuel Holland Sept. 1, 2021, 5:39 a.m. UTC 
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 mbox series

Patch

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;