Blob Blame History Raw
From c346ff5ccc8e87f69a520073f876b740431a5acf Mon Sep 17 00:00:00 2001
From: Kieran Bingham <kieran.bingham@ideasonboard.com>
Date: Wed, 23 Jun 2021 00:27:11 +0100
Subject: [PATCH] clk: renesas: r8a779a0: Add the DSI clocks
Git-commit: c346ff5ccc8e87f69a520073f876b740431a5acf
References: git-fixes
Patch-mainline: v5.15-rc1

The DSI clock is incorrectly defined as a fixed clock. This
demonstrates itself as the dsi-encoders failing to correctly enable and
start their PPI and HS clocks internally, and causes failures.

Move the DSI parent clock to match the updates in the BSP, which
resolves the initialisation procedures.

Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Fixes: 17bcc8035d2d19fc ("clk: renesas: cpg-mssr: Add support for R-Car V3U")
Link: https://lore.kernel.org/r/20210622232711.3219697-3-kieran.bingham@ideasonboard.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Oliver Neukum <oneukum@suse.com>
---
 drivers/clk/renesas/r8a779a0-cpg-mssr.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/clk/renesas/r8a779a0-cpg-mssr.c b/drivers/clk/renesas/r8a779a0-cpg-mssr.c
index a1bd158defb5..f16d125ca009 100644
--- a/drivers/clk/renesas/r8a779a0-cpg-mssr.c
+++ b/drivers/clk/renesas/r8a779a0-cpg-mssr.c
@@ -135,7 +135,6 @@ static const struct cpg_core_clk r8a779a0_core_clks[] __initconst = {
 	DEF_FIXED("zt",		R8A779A0_CLK_ZT,	CLK_PLL1_DIV2,	2, 1),
 	DEF_FIXED("ztr",	R8A779A0_CLK_ZTR,	CLK_PLL1_DIV2,	2, 1),
 	DEF_FIXED("zr",		R8A779A0_CLK_ZR,	CLK_PLL1_DIV2,	1, 1),
-	DEF_FIXED("dsi",	R8A779A0_CLK_DSI,	CLK_PLL5_DIV4,	1, 1),
 	DEF_FIXED("cnndsp",	R8A779A0_CLK_CNNDSP,	CLK_PLL5_DIV4,	1, 1),
 	DEF_FIXED("vip",	R8A779A0_CLK_VIP,	CLK_PLL5,	5, 1),
 	DEF_FIXED("adgh",	R8A779A0_CLK_ADGH,	CLK_PLL5_DIV4,	1, 1),
@@ -151,6 +150,7 @@ static const struct cpg_core_clk r8a779a0_core_clks[] __initconst = {
 	DEF_DIV6P1("mso",	R8A779A0_CLK_MSO,	CLK_PLL5_DIV4,	0x87c),
 	DEF_DIV6P1("canfd",	R8A779A0_CLK_CANFD,	CLK_PLL5_DIV4,	0x878),
 	DEF_DIV6P1("csi0",	R8A779A0_CLK_CSI0,	CLK_PLL5_DIV4,	0x880),
+	DEF_DIV6P1("dsi",	R8A779A0_CLK_DSI,	CLK_PLL5_DIV4,	0x884),
 
 	DEF_OSC("osc",		R8A779A0_CLK_OSC,	CLK_EXTAL,	8),
 	DEF_MDSEL("r",		R8A779A0_CLK_R, 29, CLK_EXTALR, 1, CLK_OCO, 1),
@@ -168,6 +168,8 @@ static const struct mssr_mod_clk r8a779a0_mod_clks[] __initconst = {
 	DEF_MOD("csi42",	401,	R8A779A0_CLK_CSI0),
 	DEF_MOD("csi43",	402,	R8A779A0_CLK_CSI0),
 	DEF_MOD("du",		411,	R8A779A0_CLK_S3D1),
+	DEF_MOD("dsi0",		415,	R8A779A0_CLK_DSI),
+	DEF_MOD("dsi1",		416,	R8A779A0_CLK_DSI),
 	DEF_MOD("fcpvd0",	508,	R8A779A0_CLK_S3D1),
 	DEF_MOD("fcpvd1",	509,	R8A779A0_CLK_S3D1),
 	DEF_MOD("hscif0",	514,	R8A779A0_CLK_S1D2),
-- 
2.26.2