diff mbox series

[v2,6/6] clk: sunxi-ng: d1: Add CAN bus gates and resets

Message ID 20221231231429.18357-7-samuel@sholland.org
State New
Headers show
Series [v2,1/6] clk: sunxi-ng: Remove duplicate ARCH_SUNXI dependencies | expand

Commit Message

Samuel Holland Dec. 31, 2022, 11:14 p.m. UTC 
From: Fabien Poussin <fabien.poussin@gmail.com>

The D1 CCU contains gates and resets for two CAN buses. While the CAN
bus controllers are only documented for the T113 SoC, the CCU is the
same across all SoC variants.

Signed-off-by: Fabien Poussin <fabien.poussin@gmail.com>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Samuel Holland <samuel@sholland.org>
---

Changes in v2:
 - Move dt-bindings header changes to a separate patch

 drivers/clk/sunxi-ng/ccu-sun20i-d1.c | 11 +++++++++++
 drivers/clk/sunxi-ng/ccu-sun20i-d1.h |  2 +-
 2 files changed, 12 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/clk/sunxi-ng/ccu-sun20i-d1.c b/drivers/clk/sunxi-ng/ccu-sun20i-d1.c
index c5a7df93602c..48a8fb2c43b7 100644
--- a/drivers/clk/sunxi-ng/ccu-sun20i-d1.c
+++ b/drivers/clk/sunxi-ng/ccu-sun20i-d1.c
@@ -469,6 +469,11 @@  static SUNXI_CCU_GATE_HWS(bus_i2c2_clk, "bus-i2c2", apb1_hws,
 static SUNXI_CCU_GATE_HWS(bus_i2c3_clk, "bus-i2c3", apb1_hws,
 			  0x91c, BIT(3), 0);
 
+static SUNXI_CCU_GATE_HWS(bus_can0_clk, "bus-can0", apb1_hws,
+			  0x92c, BIT(0), 0);
+static SUNXI_CCU_GATE_HWS(bus_can1_clk, "bus-can1", apb1_hws,
+			  0x92c, BIT(1), 0);
+
 static const struct clk_parent_data spi_parents[] = {
 	{ .fw_name = "hosc" },
 	{ .hw = &pll_periph0_clk.hw },
@@ -997,6 +1002,8 @@  static struct ccu_common *sun20i_d1_ccu_clks[] = {
 	&bus_i2c1_clk.common,
 	&bus_i2c2_clk.common,
 	&bus_i2c3_clk.common,
+	&bus_can0_clk.common,
+	&bus_can1_clk.common,
 	&spi0_clk.common,
 	&spi1_clk.common,
 	&bus_spi0_clk.common,
@@ -1147,6 +1154,8 @@  static struct clk_hw_onecell_data sun20i_d1_hw_clks = {
 		[CLK_BUS_I2C1]		= &bus_i2c1_clk.common.hw,
 		[CLK_BUS_I2C2]		= &bus_i2c2_clk.common.hw,
 		[CLK_BUS_I2C3]		= &bus_i2c3_clk.common.hw,
+		[CLK_BUS_CAN0]		= &bus_can0_clk.common.hw,
+		[CLK_BUS_CAN1]		= &bus_can1_clk.common.hw,
 		[CLK_SPI0]		= &spi0_clk.common.hw,
 		[CLK_SPI1]		= &spi1_clk.common.hw,
 		[CLK_BUS_SPI0]		= &bus_spi0_clk.common.hw,
@@ -1252,6 +1261,8 @@  static struct ccu_reset_map sun20i_d1_ccu_resets[] = {
 	[RST_BUS_I2C1]		= { 0x91c, BIT(17) },
 	[RST_BUS_I2C2]		= { 0x91c, BIT(18) },
 	[RST_BUS_I2C3]		= { 0x91c, BIT(19) },
+	[RST_BUS_CAN0]		= { 0x92c, BIT(16) },
+	[RST_BUS_CAN1]		= { 0x92c, BIT(17) },
 	[RST_BUS_SPI0]		= { 0x96c, BIT(16) },
 	[RST_BUS_SPI1]		= { 0x96c, BIT(17) },
 	[RST_BUS_EMAC]		= { 0x97c, BIT(16) },
diff --git a/drivers/clk/sunxi-ng/ccu-sun20i-d1.h b/drivers/clk/sunxi-ng/ccu-sun20i-d1.h
index e303176f0d4e..b14da36e2537 100644
--- a/drivers/clk/sunxi-ng/ccu-sun20i-d1.h
+++ b/drivers/clk/sunxi-ng/ccu-sun20i-d1.h
@@ -10,6 +10,6 @@ 
 #include <dt-bindings/clock/sun20i-d1-ccu.h>
 #include <dt-bindings/reset/sun20i-d1-ccu.h>
 
-#define CLK_NUMBER		(CLK_FANOUT2 + 1)
+#define CLK_NUMBER		(CLK_BUS_CAN1 + 1)
 
 #endif /* _CCU_SUN20I_D1_H_ */