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[RFC,5/9] sunxi: video: enable DE2 on H6/D1

Message ID 20240420-d1_de2-v1-5-297efca674ba@jookia.org
State New
Delegated to: Anatolij Gustschin
Headers show
Series sunxi: video: Support LCD and HDMI output on H6/D1 | expand

Commit Message

John Watts April 20, 2024, 12:02 a.m. UTC 
This requires just a little change to clocking and reset logic.

Signed-off-by: John Watts <contact@jookia.org>
---
 drivers/video/sunxi/sunxi_de2.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
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Patch

diff --git a/drivers/video/sunxi/sunxi_de2.c b/drivers/video/sunxi/sunxi_de2.c
index e02d359cd2..9b6c41b212 100644
--- a/drivers/video/sunxi/sunxi_de2.c
+++ b/drivers/video/sunxi/sunxi_de2.c
@@ -45,6 +45,23 @@  static void sunxi_de2_composer_init(void)
 	writel(reg_value, SUNXI_SRAMC_BASE + 0x04);
 #endif
 
+#if IS_ENABLED(CONFIG_SUN50I_GEN_H6) || IS_ENABLED(CONFIG_SUNXI_GEN_NCAT2)
+	if (IS_ENABLED(CONFIG_SUNXI_GEN_NCAT2)) {
+		/* Set DE parent to video1 */
+		clock_set_video1(432000000);
+		clrsetbits_le32(&ccm->de_clk_cfg, CCM_DE2_CTRL_PLL_MASK,
+				CCM_DE2_CTRL_VIDEO1_4X_NCAT);
+	} else {
+		/* Set DE parent to pll10 */
+		clock_set_pll10(432000000);
+		clrsetbits_le32(&ccm->de_clk_cfg, CCM_DE2_CTRL_PLL_MASK,
+				CCM_DE2_CTRL_PLL10_H6);
+	}
+
+	/* Ungate the DE */
+	setbits_le32(&ccm->de_gate_reset, BIT(RESET_SHIFT));
+	setbits_le32(&ccm->de_gate_reset, BIT(GATE_SHIFT));
+#else
 	clock_set_pll10(432000000);
 
 	/* Set DE parent to pll10 */
@@ -54,6 +71,7 @@  static void sunxi_de2_composer_init(void)
 	/* Set ahb gating to pass */
 	setbits_le32(&ccm->ahb_reset1_cfg, 1 << AHB_RESET_OFFSET_DE);
 	setbits_le32(&ccm->ahb_gate1, 1 << AHB_GATE_OFFSET_DE);
+#endif
 
 	/* Clock on */
 	setbits_le32(&ccm->de_clk_cfg, CCM_DE2_CTRL_GATE);